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0
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1 /*
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2 * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 # include "incls/_precompiled.incl"
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26 # include "incls/_vmError.cpp.incl"
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27
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28 // List of environment variables that should be reported in error log file.
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29 const char *env_list[] = {
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30 // All platforms
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31 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH",
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32 "JAVA_COMPILER", "PATH", "USERNAME",
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33
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34 // Env variables that are defined on Solaris/Linux
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35 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY",
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36 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE",
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37
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38 // defined on Linux
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39 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM",
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40
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41 // defined on Windows
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42 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR",
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43
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44 (const char *)0
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45 };
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46
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47 // Fatal error handler for internal errors and crashes.
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48 //
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49 // The default behavior of fatal error handler is to print a brief message
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50 // to standard out (defaultStream::output_fd()), then save detailed information
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51 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple
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52 // threads are having troubles at the same time, only one error is reported.
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53 // The thread that is reporting error will abort VM when it is done, all other
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54 // threads are blocked forever inside report_and_die().
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55
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56 // Constructor for crashes
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57 VMError::VMError(Thread* thread, int sig, address pc, void* siginfo, void* context) {
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58 _thread = thread;
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59 _id = sig;
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60 _pc = pc;
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61 _siginfo = siginfo;
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62 _context = context;
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63
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64 _verbose = false;
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65 _current_step = 0;
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66 _current_step_info = NULL;
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67
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68 _message = "";
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69 _filename = NULL;
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70 _lineno = 0;
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71
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72 _size = 0;
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73 }
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74
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75 // Constructor for internal errors
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76 VMError::VMError(Thread* thread, const char* message, const char* filename, int lineno) {
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77 _thread = thread;
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78 _id = internal_error; // set it to a value that's not an OS exception/signal
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79 _filename = filename;
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80 _lineno = lineno;
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81 _message = message;
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82
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83 _verbose = false;
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84 _current_step = 0;
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85 _current_step_info = NULL;
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86
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87 _pc = NULL;
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88 _siginfo = NULL;
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89 _context = NULL;
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90
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91 _size = 0;
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92 }
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93
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94 // Constructor for OOM errors
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95 VMError::VMError(Thread* thread, size_t size, const char* message, const char* filename, int lineno) {
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96 _thread = thread;
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97 _id = oom_error; // set it to a value that's not an OS exception/signal
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98 _filename = filename;
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99 _lineno = lineno;
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100 _message = message;
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101
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102 _verbose = false;
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103 _current_step = 0;
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104 _current_step_info = NULL;
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105
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106 _pc = NULL;
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107 _siginfo = NULL;
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108 _context = NULL;
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109
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110 _size = size;
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111 }
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112
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113
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114 // Constructor for non-fatal errors
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115 VMError::VMError(const char* message) {
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116 _thread = NULL;
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117 _id = internal_error; // set it to a value that's not an OS exception/signal
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118 _filename = NULL;
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119 _lineno = 0;
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120 _message = message;
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121
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122 _verbose = false;
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123 _current_step = 0;
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124 _current_step_info = NULL;
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125
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126 _pc = NULL;
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127 _siginfo = NULL;
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128 _context = NULL;
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129
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130 _size = 0;
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131 }
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132
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133 // -XX:OnError=<string>, where <string> can be a list of commands, separated
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134 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by
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135 // a single "%". Some examples:
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136 //
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137 // -XX:OnError="pmap %p" // show memory map
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138 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger
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139 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com"
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140 // -XX:OnError="kill -9 %p" // ?#!@#
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141
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142 // A simple parser for -XX:OnError, usage:
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143 // ptr = OnError;
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144 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL)
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145 // ... ...
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146 static char* next_OnError_command(char* buf, int buflen, const char** ptr) {
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147 if (ptr == NULL || *ptr == NULL) return NULL;
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148
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149 const char* cmd = *ptr;
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150
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151 // skip leading blanks or ';'
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152 while (*cmd == ' ' || *cmd == ';') cmd++;
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153
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154 if (*cmd == '\0') return NULL;
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155
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156 const char * cmdend = cmd;
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157 while (*cmdend != '\0' && *cmdend != ';') cmdend++;
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158
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159 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen);
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160
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161 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1);
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162 return buf;
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163 }
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164
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165
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166 static void print_bug_submit_message(outputStream *out, Thread *thread) {
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167 if (out == NULL) return;
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168 out->print_raw_cr("# If you would like to submit a bug report, please visit:");
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169 out->print_raw ("# ");
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170 out->print_raw_cr(Arguments::java_vendor_url_bug());
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171 // If the crash is in native code, encourage user to submit a bug to the
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172 // provider of that code.
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173 if (thread && thread->is_Java_thread()) {
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174 JavaThread* jt = (JavaThread*)thread;
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175 if (jt->thread_state() == _thread_in_native) {
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176 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug.");
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177 }
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178 }
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179 out->print_raw_cr("#");
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180 }
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181
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182
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183 // Return a string to describe the error
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184 char* VMError::error_string(char* buf, int buflen) {
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185 char signame_buf[64];
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186 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf));
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187
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188 if (signame) {
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189 jio_snprintf(buf, buflen,
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190 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT,
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191 signame, _id, _pc,
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192 os::current_process_id(), os::current_thread_id());
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193 } else {
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194 if (_filename != NULL && _lineno > 0) {
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195 // skip directory names
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196 char separator = os::file_separator()[0];
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197 const char *p = strrchr(_filename, separator);
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198
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199 jio_snprintf(buf, buflen,
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200 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT " \nError: %s",
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201 p ? p + 1 : _filename, _lineno,
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202 os::current_process_id(), os::current_thread_id(),
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203 _message ? _message : "");
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204 } else {
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205 jio_snprintf(buf, buflen,
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206 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT,
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207 _id, os::current_process_id(), os::current_thread_id());
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208 }
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209 }
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210
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211 return buf;
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212 }
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213
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214
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215 // This is the main function to report a fatal error. Only one thread can
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216 // call this function, so we don't need to worry about MT-safety. But it's
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217 // possible that the error handler itself may crash or die on an internal
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218 // error, for example, when the stack/heap is badly damaged. We must be
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219 // able to handle recursive errors that happen inside error handler.
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220 //
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221 // Error reporting is done in several steps. If a crash or internal error
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222 // occurred when reporting an error, the nested signal/exception handler
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223 // can skip steps that are already (or partially) done. Error reporting will
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224 // continue from the next step. This allows us to retrieve and print
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225 // information that may be unsafe to get after a fatal error. If it happens,
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226 // you may find nested report_and_die() frames when you look at the stack
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227 // in a debugger.
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228 //
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229 // In general, a hang in error handler is much worse than a crash or internal
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230 // error, as it's harder to recover from a hang. Deadlock can happen if we
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231 // try to grab a lock that is already owned by current thread, or if the
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232 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the
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233 // error handler and all the functions it called should avoid grabbing any
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234 // lock. An important thing to notice is that memory allocation needs a lock.
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235 //
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236 // We should avoid using large stack allocated buffers. Many errors happen
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237 // when stack space is already low. Making things even worse is that there
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238 // could be nested report_and_die() calls on stack (see above). Only one
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239 // thread can report error, so large buffers are statically allocated in data
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240 // segment.
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241
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242 void VMError::report(outputStream* st) {
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243 # define BEGIN if (_current_step == 0) { _current_step = 1;
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244 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s;
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245 # define END }
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246
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247 // don't allocate large buffer on stack
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248 static char buf[O_BUFLEN];
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249
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250 BEGIN
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251
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252 STEP(10, "(printing unexpected error message)")
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253
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254 st->print_cr("#");
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255 st->print_cr("# An unexpected error has been detected by Java Runtime Environment:");
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256
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257 STEP(15, "(printing type of error)")
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258
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259 switch(_id) {
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260 case oom_error:
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261 st->print_cr("#");
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262 st->print("# java.lang.OutOfMemoryError: ");
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263 if (_size) {
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264 st->print("requested ");
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265 sprintf(buf,"%d",_size);
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266 st->print(buf);
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267 st->print(" bytes");
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268 if (_message != NULL) {
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269 st->print(" for ");
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270 st->print(_message);
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271 }
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272 st->print_cr(". Out of swap space?");
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273 } else {
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274 if (_message != NULL)
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275 st->print_cr(_message);
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276 }
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277 break;
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278 case internal_error:
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279 default:
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280 break;
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281 }
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282
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283 STEP(20, "(printing exception/signal name)")
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284
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285 st->print_cr("#");
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286 st->print("# ");
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287 // Is it an OS exception/signal?
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288 if (os::exception_name(_id, buf, sizeof(buf))) {
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289 st->print("%s", buf);
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290 st->print(" (0x%x)", _id); // signal number
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291 st->print(" at pc=" PTR_FORMAT, _pc);
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292 } else {
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293 st->print("Internal Error");
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294 if (_filename != NULL && _lineno > 0) {
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295 #ifdef PRODUCT
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296 // In product mode chop off pathname?
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297 char separator = os::file_separator()[0];
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298 const char *p = strrchr(_filename, separator);
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299 const char *file = p ? p+1 : _filename;
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300 #else
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301 const char *file = _filename;
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302 #endif
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303 size_t len = strlen(file);
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304 size_t buflen = sizeof(buf);
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305
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306 strncpy(buf, file, buflen);
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307 if (len + 10 < buflen) {
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308 sprintf(buf + len, ":" SIZE_FORMAT, _lineno);
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309 }
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310 st->print(" (%s)", buf);
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311 } else {
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312 st->print(" (0x%x)", _id);
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313 }
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314 }
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315
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316 STEP(30, "(printing current thread and pid)")
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317
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318 // process id, thread id
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319 st->print(", pid=%d", os::current_process_id());
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320 st->print(", tid=" UINTX_FORMAT, os::current_thread_id());
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321 st->cr();
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322
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323 STEP(40, "(printing error message)")
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324
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325 // error message
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326 if (_message && _message[0] != '\0') {
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327 st->print_cr("# Error: %s", _message);
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328 }
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329
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330 STEP(50, "(printing Java version string)")
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331
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332 // VM version
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333 st->print_cr("#");
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334 st->print_cr("# Java VM: %s (%s %s %s)",
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335 Abstract_VM_Version::vm_name(),
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336 Abstract_VM_Version::vm_release(),
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337 Abstract_VM_Version::vm_info_string(),
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338 Abstract_VM_Version::vm_platform_string()
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339 );
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340
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341 STEP(60, "(printing problematic frame)")
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342
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343 // Print current frame if we have a context (i.e. it's a crash)
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344 if (_context) {
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345 st->print_cr("# Problematic frame:");
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346 st->print("# ");
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347 frame fr = os::fetch_frame_from_context(_context);
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348 fr.print_on_error(st, buf, sizeof(buf));
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349 st->cr();
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350 st->print_cr("#");
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351 }
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352
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353 STEP(65, "(printing bug submit message)")
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354
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355 if (_verbose) print_bug_submit_message(st, _thread);
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356
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357 STEP(70, "(printing thread)" )
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358
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359 if (_verbose) {
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360 st->cr();
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361 st->print_cr("--------------- T H R E A D ---------------");
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362 st->cr();
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363 }
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364
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365 STEP(80, "(printing current thread)" )
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366
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367 // current thread
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368 if (_verbose) {
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369 if (_thread) {
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370 st->print("Current thread (" PTR_FORMAT "): ", _thread);
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371 _thread->print_on_error(st, buf, sizeof(buf));
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372 st->cr();
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373 } else {
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374 st->print_cr("Current thread is native thread");
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375 }
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376 st->cr();
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377 }
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378
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379 STEP(90, "(printing siginfo)" )
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380
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381 // signal no, signal code, address that caused the fault
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382 if (_verbose && _siginfo) {
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383 os::print_siginfo(st, _siginfo);
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384 st->cr();
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385 }
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386
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387 STEP(100, "(printing registers, top of stack, instructions near pc)")
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388
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389 // registers, top of stack, instructions near pc
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390 if (_verbose && _context) {
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391 os::print_context(st, _context);
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392 st->cr();
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393 }
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394
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395 STEP(110, "(printing stack bounds)" )
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396
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397 if (_verbose) {
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398 st->print("Stack: ");
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399
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400 address stack_top;
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401 size_t stack_size;
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402
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403 if (_thread) {
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404 stack_top = _thread->stack_base();
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405 stack_size = _thread->stack_size();
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406 } else {
|
|
|
407 stack_top = os::current_stack_base();
|
|
|
408 stack_size = os::current_stack_size();
|
|
|
409 }
|
|
|
410
|
|
|
411 address stack_bottom = stack_top - stack_size;
|
|
|
412 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top);
|
|
|
413
|
|
|
414 frame fr = _context ? os::fetch_frame_from_context(_context)
|
|
|
415 : os::current_frame();
|
|
|
416
|
|
|
417 if (fr.sp()) {
|
|
|
418 st->print(", sp=" PTR_FORMAT, fr.sp());
|
|
|
419 st->print(", free space=%dk",
|
|
|
420 ((intptr_t)fr.sp() - (intptr_t)stack_bottom) >> 10);
|
|
|
421 }
|
|
|
422
|
|
|
423 st->cr();
|
|
|
424 }
|
|
|
425
|
|
|
426 STEP(120, "(printing native stack)" )
|
|
|
427
|
|
|
428 if (_verbose) {
|
|
|
429 frame fr = _context ? os::fetch_frame_from_context(_context)
|
|
|
430 : os::current_frame();
|
|
|
431
|
|
|
432 // see if it's a valid frame
|
|
|
433 if (fr.pc()) {
|
|
|
434 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)");
|
|
|
435
|
|
|
436 int count = 0;
|
|
|
437
|
|
|
438 while (count++ < StackPrintLimit) {
|
|
|
439 fr.print_on_error(st, buf, sizeof(buf));
|
|
|
440 st->cr();
|
|
|
441 if (os::is_first_C_frame(&fr)) break;
|
|
|
442 fr = os::get_sender_for_C_frame(&fr);
|
|
|
443 }
|
|
|
444
|
|
|
445 if (count > StackPrintLimit) {
|
|
|
446 st->print_cr("...<more frames>...");
|
|
|
447 }
|
|
|
448
|
|
|
449 st->cr();
|
|
|
450 }
|
|
|
451 }
|
|
|
452
|
|
|
453 STEP(130, "(printing Java stack)" )
|
|
|
454
|
|
|
455 if (_verbose && _thread && _thread->is_Java_thread()) {
|
|
|
456 JavaThread* jt = (JavaThread*)_thread;
|
|
|
457 if (jt->has_last_Java_frame()) {
|
|
|
458 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)");
|
|
|
459 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) {
|
|
|
460 sfs.current()->print_on_error(st, buf, sizeof(buf));
|
|
|
461 st->cr();
|
|
|
462 }
|
|
|
463 }
|
|
|
464 }
|
|
|
465
|
|
|
466 STEP(140, "(printing VM operation)" )
|
|
|
467
|
|
|
468 if (_verbose && _thread && _thread->is_VM_thread()) {
|
|
|
469 VMThread* t = (VMThread*)_thread;
|
|
|
470 VM_Operation* op = t->vm_operation();
|
|
|
471 if (op) {
|
|
|
472 op->print_on_error(st);
|
|
|
473 st->cr();
|
|
|
474 st->cr();
|
|
|
475 }
|
|
|
476 }
|
|
|
477
|
|
|
478 STEP(150, "(printing current compile task)" )
|
|
|
479
|
|
|
480 if (_verbose && _thread && _thread->is_Compiler_thread()) {
|
|
|
481 CompilerThread* t = (CompilerThread*)_thread;
|
|
|
482 if (t->task()) {
|
|
|
483 st->cr();
|
|
|
484 st->print_cr("Current CompileTask:");
|
|
|
485 t->task()->print_line_on_error(st, buf, sizeof(buf));
|
|
|
486 st->cr();
|
|
|
487 }
|
|
|
488 }
|
|
|
489
|
|
|
490 STEP(160, "(printing process)" )
|
|
|
491
|
|
|
492 if (_verbose) {
|
|
|
493 st->cr();
|
|
|
494 st->print_cr("--------------- P R O C E S S ---------------");
|
|
|
495 st->cr();
|
|
|
496 }
|
|
|
497
|
|
|
498 STEP(170, "(printing all threads)" )
|
|
|
499
|
|
|
500 // all threads
|
|
|
501 if (_verbose && _thread) {
|
|
|
502 Threads::print_on_error(st, _thread, buf, sizeof(buf));
|
|
|
503 st->cr();
|
|
|
504 }
|
|
|
505
|
|
|
506 STEP(175, "(printing VM state)" )
|
|
|
507
|
|
|
508 if (_verbose) {
|
|
|
509 // Safepoint state
|
|
|
510 st->print("VM state:");
|
|
|
511
|
|
|
512 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing");
|
|
|
513 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint");
|
|
|
514 else st->print("not at safepoint");
|
|
|
515
|
|
|
516 // Also see if error occurred during initialization or shutdown
|
|
|
517 if (!Universe::is_fully_initialized()) {
|
|
|
518 st->print(" (not fully initialized)");
|
|
|
519 } else if (VM_Exit::vm_exited()) {
|
|
|
520 st->print(" (shutting down)");
|
|
|
521 } else {
|
|
|
522 st->print(" (normal execution)");
|
|
|
523 }
|
|
|
524 st->cr();
|
|
|
525 st->cr();
|
|
|
526 }
|
|
|
527
|
|
|
528 STEP(180, "(printing owned locks on error)" )
|
|
|
529
|
|
|
530 // mutexes/monitors that currently have an owner
|
|
|
531 if (_verbose) {
|
|
|
532 print_owned_locks_on_error(st);
|
|
|
533 st->cr();
|
|
|
534 }
|
|
|
535
|
|
|
536 STEP(190, "(printing heap information)" )
|
|
|
537
|
|
|
538 if (_verbose && Universe::is_fully_initialized()) {
|
|
|
539 // print heap information before vm abort
|
|
|
540 Universe::print_on(st);
|
|
|
541 st->cr();
|
|
|
542 }
|
|
|
543
|
|
|
544 STEP(200, "(printing dynamic libraries)" )
|
|
|
545
|
|
|
546 if (_verbose) {
|
|
|
547 // dynamic libraries, or memory map
|
|
|
548 os::print_dll_info(st);
|
|
|
549 st->cr();
|
|
|
550 }
|
|
|
551
|
|
|
552 STEP(210, "(printing VM options)" )
|
|
|
553
|
|
|
554 if (_verbose) {
|
|
|
555 // VM options
|
|
|
556 Arguments::print_on(st);
|
|
|
557 st->cr();
|
|
|
558 }
|
|
|
559
|
|
|
560 STEP(220, "(printing environment variables)" )
|
|
|
561
|
|
|
562 if (_verbose) {
|
|
|
563 os::print_environment_variables(st, env_list, buf, sizeof(buf));
|
|
|
564 st->cr();
|
|
|
565 }
|
|
|
566
|
|
|
567 STEP(225, "(printing signal handlers)" )
|
|
|
568
|
|
|
569 if (_verbose) {
|
|
|
570 os::print_signal_handlers(st, buf, sizeof(buf));
|
|
|
571 st->cr();
|
|
|
572 }
|
|
|
573
|
|
|
574 STEP(230, "" )
|
|
|
575
|
|
|
576 if (_verbose) {
|
|
|
577 st->cr();
|
|
|
578 st->print_cr("--------------- S Y S T E M ---------------");
|
|
|
579 st->cr();
|
|
|
580 }
|
|
|
581
|
|
|
582 STEP(240, "(printing OS information)" )
|
|
|
583
|
|
|
584 if (_verbose) {
|
|
|
585 os::print_os_info(st);
|
|
|
586 st->cr();
|
|
|
587 }
|
|
|
588
|
|
|
589 STEP(250, "(printing CPU info)" )
|
|
|
590 if (_verbose) {
|
|
|
591 os::print_cpu_info(st);
|
|
|
592 st->cr();
|
|
|
593 }
|
|
|
594
|
|
|
595 STEP(260, "(printing memory info)" )
|
|
|
596
|
|
|
597 if (_verbose) {
|
|
|
598 os::print_memory_info(st);
|
|
|
599 st->cr();
|
|
|
600 }
|
|
|
601
|
|
|
602 STEP(270, "(printing internal vm info)" )
|
|
|
603
|
|
|
604 if (_verbose) {
|
|
|
605 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string());
|
|
|
606 st->cr();
|
|
|
607 }
|
|
|
608
|
|
|
609 STEP(280, "(printing date and time)" )
|
|
|
610
|
|
|
611 if (_verbose) {
|
|
|
612 os::print_date_and_time(st);
|
|
|
613 st->cr();
|
|
|
614 }
|
|
|
615
|
|
|
616 END
|
|
|
617
|
|
|
618 # undef BEGIN
|
|
|
619 # undef STEP
|
|
|
620 # undef END
|
|
|
621 }
|
|
|
622
|
|
|
623
|
|
|
624 void VMError::report_and_die() {
|
|
|
625 // Don't allocate large buffer on stack
|
|
|
626 static char buffer[O_BUFLEN];
|
|
|
627
|
|
|
628 // First error, and its thread id. We must be able to handle native thread,
|
|
|
629 // so use thread id instead of Thread* to identify thread.
|
|
|
630 static VMError* first_error;
|
|
|
631 static jlong first_error_tid;
|
|
|
632
|
|
|
633 // An error could happen before tty is initialized or after it has been
|
|
|
634 // destroyed. Here we use a very simple unbuffered fdStream for printing.
|
|
|
635 // Only out.print_raw() and out.print_raw_cr() should be used, as other
|
|
|
636 // printing methods need to allocate large buffer on stack. To format a
|
|
|
637 // string, use jio_snprintf() with a static buffer or use staticBufferStream.
|
|
|
638 static fdStream out(defaultStream::output_fd());
|
|
|
639
|
|
|
640 // How many errors occurred in error handler when reporting first_error.
|
|
|
641 static int recursive_error_count;
|
|
|
642
|
|
|
643 // We will first print a brief message to standard out (verbose = false),
|
|
|
644 // then save detailed information in log file (verbose = true).
|
|
|
645 static bool out_done = false; // done printing to standard out
|
|
|
646 static bool log_done = false; // done saving error log
|
|
|
647 static fdStream log; // error log
|
|
|
648
|
|
|
649 if (SuppressFatalErrorMessage) {
|
|
|
650 os::abort();
|
|
|
651 }
|
|
|
652 jlong mytid = os::current_thread_id();
|
|
|
653 if (first_error == NULL &&
|
|
|
654 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) {
|
|
|
655
|
|
|
656 // first time
|
|
|
657 first_error_tid = mytid;
|
|
|
658 set_error_reported();
|
|
|
659
|
|
|
660 if (ShowMessageBoxOnError) {
|
|
|
661 show_message_box(buffer, sizeof(buffer));
|
|
|
662
|
|
|
663 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the
|
|
|
664 // WatcherThread can kill JVM if the error handler hangs.
|
|
|
665 ShowMessageBoxOnError = false;
|
|
|
666 }
|
|
|
667
|
|
|
668 // reset signal handlers or exception filter; make sure recursive crashes
|
|
|
669 // are handled properly.
|
|
|
670 reset_signal_handlers();
|
|
|
671
|
|
|
672 } else {
|
|
|
673 // This is not the first error, see if it happened in a different thread
|
|
|
674 // or in the same thread during error reporting.
|
|
|
675 if (first_error_tid != mytid) {
|
|
|
676 jio_snprintf(buffer, sizeof(buffer),
|
|
|
677 "[thread " INT64_FORMAT " also had an error]",
|
|
|
678 mytid);
|
|
|
679 out.print_raw_cr(buffer);
|
|
|
680
|
|
|
681 // error reporting is not MT-safe, block current thread
|
|
|
682 os::infinite_sleep();
|
|
|
683
|
|
|
684 } else {
|
|
|
685 if (recursive_error_count++ > 30) {
|
|
|
686 out.print_raw_cr("[Too many errors, abort]");
|
|
|
687 os::die();
|
|
|
688 }
|
|
|
689
|
|
|
690 jio_snprintf(buffer, sizeof(buffer),
|
|
|
691 "[error occurred during error reporting %s, id 0x%x]",
|
|
|
692 first_error ? first_error->_current_step_info : "",
|
|
|
693 _id);
|
|
|
694 if (log.is_open()) {
|
|
|
695 log.cr();
|
|
|
696 log.print_raw_cr(buffer);
|
|
|
697 log.cr();
|
|
|
698 } else {
|
|
|
699 out.cr();
|
|
|
700 out.print_raw_cr(buffer);
|
|
|
701 out.cr();
|
|
|
702 }
|
|
|
703 }
|
|
|
704 }
|
|
|
705
|
|
|
706 // print to screen
|
|
|
707 if (!out_done) {
|
|
|
708 first_error->_verbose = false;
|
|
|
709
|
|
|
710 staticBufferStream sbs(buffer, sizeof(buffer), &out);
|
|
|
711 first_error->report(&sbs);
|
|
|
712
|
|
|
713 out_done = true;
|
|
|
714
|
|
|
715 first_error->_current_step = 0; // reset current_step
|
|
|
716 first_error->_current_step_info = ""; // reset current_step string
|
|
|
717 }
|
|
|
718
|
|
|
719 // print to error log file
|
|
|
720 if (!log_done) {
|
|
|
721 first_error->_verbose = true;
|
|
|
722
|
|
|
723 // see if log file is already open
|
|
|
724 if (!log.is_open()) {
|
|
|
725 // open log file
|
|
|
726 int fd = -1;
|
|
|
727
|
|
|
728 if (ErrorFile != NULL) {
|
|
|
729 bool copy_ok =
|
|
|
730 Arguments::copy_expand_pid(ErrorFile, strlen(ErrorFile), buffer, sizeof(buffer));
|
|
|
731 if (copy_ok) {
|
|
|
732 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666);
|
|
|
733 }
|
|
|
734 }
|
|
|
735
|
|
|
736 if (fd == -1) {
|
|
|
737 const char *cwd = os::get_current_directory(buffer, sizeof(buffer));
|
|
|
738 size_t len = strlen(cwd);
|
|
|
739 // either user didn't specify, or the user's location failed,
|
|
|
740 // so use the default name in the current directory
|
|
|
741 jio_snprintf(&buffer[len], sizeof(buffer)-len, "%shs_err_pid%u.log",
|
|
|
742 os::file_separator(), os::current_process_id());
|
|
|
743 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666);
|
|
|
744 }
|
|
|
745
|
|
|
746 if (fd == -1) {
|
|
|
747 // try temp directory
|
|
|
748 const char * tmpdir = os::get_temp_directory();
|
|
|
749 jio_snprintf(buffer, sizeof(buffer), "%shs_err_pid%u.log",
|
|
|
750 (tmpdir ? tmpdir : ""), os::current_process_id());
|
|
|
751 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666);
|
|
|
752 }
|
|
|
753
|
|
|
754 if (fd != -1) {
|
|
|
755 out.print_raw("# An error report file with more information is saved as:\n# ");
|
|
|
756 out.print_raw_cr(buffer);
|
|
|
757 os::set_error_file(buffer);
|
|
|
758
|
|
|
759 log.set_fd(fd);
|
|
|
760 } else {
|
|
|
761 out.print_raw_cr("# Can not save log file, dump to screen..");
|
|
|
762 log.set_fd(defaultStream::output_fd());
|
|
|
763 }
|
|
|
764 }
|
|
|
765
|
|
|
766 staticBufferStream sbs(buffer, O_BUFLEN, &log);
|
|
|
767 first_error->report(&sbs);
|
|
|
768 first_error->_current_step = 0; // reset current_step
|
|
|
769 first_error->_current_step_info = ""; // reset current_step string
|
|
|
770
|
|
|
771 if (log.fd() != defaultStream::output_fd()) {
|
|
|
772 close(log.fd());
|
|
|
773 }
|
|
|
774
|
|
|
775 log.set_fd(-1);
|
|
|
776 log_done = true;
|
|
|
777 }
|
|
|
778
|
|
|
779
|
|
|
780 static bool skip_OnError = false;
|
|
|
781 if (!skip_OnError && OnError && OnError[0]) {
|
|
|
782 skip_OnError = true;
|
|
|
783
|
|
|
784 out.print_raw_cr("#");
|
|
|
785 out.print_raw ("# -XX:OnError=\"");
|
|
|
786 out.print_raw (OnError);
|
|
|
787 out.print_raw_cr("\"");
|
|
|
788
|
|
|
789 char* cmd;
|
|
|
790 const char* ptr = OnError;
|
|
|
791 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){
|
|
|
792 out.print_raw ("# Executing ");
|
|
|
793 #if defined(LINUX)
|
|
|
794 out.print_raw ("/bin/sh -c ");
|
|
|
795 #elif defined(SOLARIS)
|
|
|
796 out.print_raw ("/usr/bin/sh -c ");
|
|
|
797 #endif
|
|
|
798 out.print_raw ("\"");
|
|
|
799 out.print_raw (cmd);
|
|
|
800 out.print_raw_cr("\" ...");
|
|
|
801
|
|
|
802 os::fork_and_exec(cmd);
|
|
|
803 }
|
|
|
804
|
|
|
805 // done with OnError
|
|
|
806 OnError = NULL;
|
|
|
807 }
|
|
|
808
|
|
|
809 static bool skip_bug_url = false;
|
|
|
810 if (!skip_bug_url) {
|
|
|
811 skip_bug_url = true;
|
|
|
812
|
|
|
813 out.print_raw_cr("#");
|
|
|
814 print_bug_submit_message(&out, _thread);
|
|
|
815 }
|
|
|
816
|
|
|
817 if (!UseOSErrorReporting) {
|
|
|
818 // os::abort() will call abort hooks, try it first.
|
|
|
819 static bool skip_os_abort = false;
|
|
|
820 if (!skip_os_abort) {
|
|
|
821 skip_os_abort = true;
|
|
|
822 os::abort();
|
|
|
823 }
|
|
|
824
|
|
|
825 // if os::abort() doesn't abort, try os::die();
|
|
|
826 os::die();
|
|
|
827 }
|
|
|
828 }
|
|
|
829
|
|
|
830 /*
|
|
|
831 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this
|
|
|
832 * ensures utilities such as jmap can observe the process is a consistent state.
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833 */
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834 class VM_ReportJavaOutOfMemory : public VM_Operation {
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835 private:
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836 VMError *_err;
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837 public:
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838 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; }
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839 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; }
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840 void doit();
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841 };
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842
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843 void VM_ReportJavaOutOfMemory::doit() {
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844 // Don't allocate large buffer on stack
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845 static char buffer[O_BUFLEN];
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846
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847 tty->print_cr("#");
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848 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message());
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849 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError);
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850
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851 // make heap parsability
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852 Universe::heap()->ensure_parsability(false); // no need to retire TLABs
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853
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854 char* cmd;
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855 const char* ptr = OnOutOfMemoryError;
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856 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){
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857 tty->print("# Executing ");
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858 #if defined(LINUX)
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859 tty->print ("/bin/sh -c ");
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860 #elif defined(SOLARIS)
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861 tty->print ("/usr/bin/sh -c ");
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862 #endif
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863 tty->print_cr("\"%s\"...", cmd);
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864
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865 os::fork_and_exec(cmd);
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866 }
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867 }
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868
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869 void VMError::report_java_out_of_memory() {
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870 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) {
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871 MutexLocker ml(Heap_lock);
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872 VM_ReportJavaOutOfMemory op(this);
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873 VMThread::execute(&op);
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874 }
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875 }
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