Mercurial > hg > truffle
annotate src/share/vm/utilities/vmError.cpp @ 3763:e66f38dd58a9
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author | ysr |
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date | Wed, 08 Jun 2011 08:39:53 -0700 |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "compiler/compileBroker.hpp" | |
27 #include "gc_interface/collectedHeap.hpp" | |
28 #include "runtime/arguments.hpp" | |
29 #include "runtime/frame.inline.hpp" | |
30 #include "runtime/init.hpp" | |
31 #include "runtime/os.hpp" | |
32 #include "runtime/thread.hpp" | |
33 #include "runtime/vmThread.hpp" | |
34 #include "runtime/vm_operations.hpp" | |
35 #include "utilities/debug.hpp" | |
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36 #include "utilities/decoder.hpp" |
1972 | 37 #include "utilities/defaultStream.hpp" |
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38 #include "utilities/errorReporter.hpp" |
1972 | 39 #include "utilities/top.hpp" |
40 #include "utilities/vmError.hpp" | |
0 | 41 |
42 // List of environment variables that should be reported in error log file. | |
43 const char *env_list[] = { | |
44 // All platforms | |
45 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", | |
46 "JAVA_COMPILER", "PATH", "USERNAME", | |
47 | |
48 // Env variables that are defined on Solaris/Linux | |
49 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", | |
50 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", | |
51 | |
52 // defined on Linux | |
53 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", | |
54 | |
55 // defined on Windows | |
56 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", | |
57 | |
58 (const char *)0 | |
59 }; | |
60 | |
61 // Fatal error handler for internal errors and crashes. | |
62 // | |
63 // The default behavior of fatal error handler is to print a brief message | |
64 // to standard out (defaultStream::output_fd()), then save detailed information | |
65 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple | |
66 // threads are having troubles at the same time, only one error is reported. | |
67 // The thread that is reporting error will abort VM when it is done, all other | |
68 // threads are blocked forever inside report_and_die(). | |
69 | |
70 // Constructor for crashes | |
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71 VMError::VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) { |
0 | 72 _thread = thread; |
73 _id = sig; | |
74 _pc = pc; | |
75 _siginfo = siginfo; | |
76 _context = context; | |
77 | |
78 _verbose = false; | |
79 _current_step = 0; | |
80 _current_step_info = NULL; | |
81 | |
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82 _message = NULL; |
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83 _detail_msg = NULL; |
0 | 84 _filename = NULL; |
85 _lineno = 0; | |
86 | |
87 _size = 0; | |
88 } | |
89 | |
90 // Constructor for internal errors | |
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91 VMError::VMError(Thread* thread, const char* filename, int lineno, |
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92 const char* message, const char * detail_msg) |
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93 { |
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94 _thread = thread; |
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95 _id = internal_error; // Value that's not an OS exception/signal |
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96 _filename = filename; |
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97 _lineno = lineno; |
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98 _message = message; |
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99 _detail_msg = detail_msg; |
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100 |
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101 _verbose = false; |
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102 _current_step = 0; |
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103 _current_step_info = NULL; |
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104 |
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105 _pc = NULL; |
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106 _siginfo = NULL; |
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107 _context = NULL; |
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108 |
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109 _size = 0; |
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110 } |
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111 |
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112 // Constructor for OOM errors |
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113 VMError::VMError(Thread* thread, const char* filename, int lineno, size_t size, |
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114 const char* message) { |
0 | 115 _thread = thread; |
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116 _id = oom_error; // Value that's not an OS exception/signal |
0 | 117 _filename = filename; |
118 _lineno = lineno; | |
119 _message = message; | |
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120 _detail_msg = NULL; |
0 | 121 |
122 _verbose = false; | |
123 _current_step = 0; | |
124 _current_step_info = NULL; | |
125 | |
126 _pc = NULL; | |
127 _siginfo = NULL; | |
128 _context = NULL; | |
129 | |
130 _size = size; | |
131 } | |
132 | |
133 | |
134 // Constructor for non-fatal errors | |
135 VMError::VMError(const char* message) { | |
136 _thread = NULL; | |
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137 _id = internal_error; // Value that's not an OS exception/signal |
0 | 138 _filename = NULL; |
139 _lineno = 0; | |
140 _message = message; | |
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141 _detail_msg = NULL; |
0 | 142 |
143 _verbose = false; | |
144 _current_step = 0; | |
145 _current_step_info = NULL; | |
146 | |
147 _pc = NULL; | |
148 _siginfo = NULL; | |
149 _context = NULL; | |
150 | |
151 _size = 0; | |
152 } | |
153 | |
154 // -XX:OnError=<string>, where <string> can be a list of commands, separated | |
155 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by | |
156 // a single "%". Some examples: | |
157 // | |
158 // -XX:OnError="pmap %p" // show memory map | |
159 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger | |
160 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com" | |
161 // -XX:OnError="kill -9 %p" // ?#!@# | |
162 | |
163 // A simple parser for -XX:OnError, usage: | |
164 // ptr = OnError; | |
165 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) | |
166 // ... ... | |
167 static char* next_OnError_command(char* buf, int buflen, const char** ptr) { | |
168 if (ptr == NULL || *ptr == NULL) return NULL; | |
169 | |
170 const char* cmd = *ptr; | |
171 | |
172 // skip leading blanks or ';' | |
173 while (*cmd == ' ' || *cmd == ';') cmd++; | |
174 | |
175 if (*cmd == '\0') return NULL; | |
176 | |
177 const char * cmdend = cmd; | |
178 while (*cmdend != '\0' && *cmdend != ';') cmdend++; | |
179 | |
180 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); | |
181 | |
182 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); | |
183 return buf; | |
184 } | |
185 | |
186 | |
187 static void print_bug_submit_message(outputStream *out, Thread *thread) { | |
188 if (out == NULL) return; | |
189 out->print_raw_cr("# If you would like to submit a bug report, please visit:"); | |
190 out->print_raw ("# "); | |
191 out->print_raw_cr(Arguments::java_vendor_url_bug()); | |
192 // If the crash is in native code, encourage user to submit a bug to the | |
193 // provider of that code. | |
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194 if (thread && thread->is_Java_thread() && |
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195 !thread->is_hidden_from_external_view()) { |
0 | 196 JavaThread* jt = (JavaThread*)thread; |
197 if (jt->thread_state() == _thread_in_native) { | |
198 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); | |
199 } | |
200 } | |
201 out->print_raw_cr("#"); | |
202 } | |
203 | |
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204 bool VMError::coredump_status; |
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205 char VMError::coredump_message[O_BUFLEN]; |
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206 |
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207 void VMError::report_coredump_status(const char* message, bool status) { |
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208 coredump_status = status; |
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209 strncpy(coredump_message, message, sizeof(coredump_message)); |
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210 coredump_message[sizeof(coredump_message)-1] = 0; |
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211 } |
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212 |
0 | 213 |
214 // Return a string to describe the error | |
215 char* VMError::error_string(char* buf, int buflen) { | |
216 char signame_buf[64]; | |
217 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); | |
218 | |
219 if (signame) { | |
220 jio_snprintf(buf, buflen, | |
221 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, | |
222 signame, _id, _pc, | |
223 os::current_process_id(), os::current_thread_id()); | |
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224 } else if (_filename != NULL && _lineno > 0) { |
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225 // skip directory names |
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226 char separator = os::file_separator()[0]; |
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227 const char *p = strrchr(_filename, separator); |
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228 int n = jio_snprintf(buf, buflen, |
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229 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT, |
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230 p ? p + 1 : _filename, _lineno, |
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231 os::current_process_id(), os::current_thread_id()); |
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232 if (n >= 0 && n < buflen && _message) { |
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233 if (_detail_msg) { |
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234 jio_snprintf(buf + n, buflen - n, "%s%s: %s", |
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235 os::line_separator(), _message, _detail_msg); |
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236 } else { |
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237 jio_snprintf(buf + n, buflen - n, "%sError: %s", |
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238 os::line_separator(), _message); |
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239 } |
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240 } |
0 | 241 } else { |
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242 jio_snprintf(buf, buflen, |
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243 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, |
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244 _id, os::current_process_id(), os::current_thread_id()); |
0 | 245 } |
246 | |
247 return buf; | |
248 } | |
249 | |
1384 | 250 void VMError::print_stack_trace(outputStream* st, JavaThread* jt, |
251 char* buf, int buflen, bool verbose) { | |
252 #ifdef ZERO | |
253 if (jt->zero_stack()->sp() && jt->top_zero_frame()) { | |
254 // StackFrameStream uses the frame anchor, which may not have | |
255 // been set up. This can be done at any time in Zero, however, | |
256 // so if it hasn't been set up then we just set it up now and | |
257 // clear it again when we're done. | |
258 bool has_last_Java_frame = jt->has_last_Java_frame(); | |
259 if (!has_last_Java_frame) | |
260 jt->set_last_Java_frame(); | |
261 st->print("Java frames:"); | |
262 | |
263 // If the top frame is a Shark frame and the frame anchor isn't | |
264 // set up then it's possible that the information in the frame | |
265 // is garbage: it could be from a previous decache, or it could | |
266 // simply have never been written. So we print a warning... | |
267 StackFrameStream sfs(jt); | |
268 if (!has_last_Java_frame && !sfs.is_done()) { | |
269 if (sfs.current()->zeroframe()->is_shark_frame()) { | |
270 st->print(" (TOP FRAME MAY BE JUNK)"); | |
271 } | |
272 } | |
273 st->cr(); | |
274 | |
275 // Print the frames | |
276 for(int i = 0; !sfs.is_done(); sfs.next(), i++) { | |
277 sfs.current()->zero_print_on_error(i, st, buf, buflen); | |
278 st->cr(); | |
279 } | |
280 | |
281 // Reset the frame anchor if necessary | |
282 if (!has_last_Java_frame) | |
283 jt->reset_last_Java_frame(); | |
284 } | |
285 #else | |
286 if (jt->has_last_Java_frame()) { | |
287 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); | |
288 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { | |
289 sfs.current()->print_on_error(st, buf, buflen, verbose); | |
290 st->cr(); | |
291 } | |
292 } | |
293 #endif // ZERO | |
294 } | |
0 | 295 |
296 // This is the main function to report a fatal error. Only one thread can | |
297 // call this function, so we don't need to worry about MT-safety. But it's | |
298 // possible that the error handler itself may crash or die on an internal | |
299 // error, for example, when the stack/heap is badly damaged. We must be | |
300 // able to handle recursive errors that happen inside error handler. | |
301 // | |
302 // Error reporting is done in several steps. If a crash or internal error | |
303 // occurred when reporting an error, the nested signal/exception handler | |
304 // can skip steps that are already (or partially) done. Error reporting will | |
305 // continue from the next step. This allows us to retrieve and print | |
306 // information that may be unsafe to get after a fatal error. If it happens, | |
307 // you may find nested report_and_die() frames when you look at the stack | |
308 // in a debugger. | |
309 // | |
310 // In general, a hang in error handler is much worse than a crash or internal | |
311 // error, as it's harder to recover from a hang. Deadlock can happen if we | |
312 // try to grab a lock that is already owned by current thread, or if the | |
313 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the | |
314 // error handler and all the functions it called should avoid grabbing any | |
315 // lock. An important thing to notice is that memory allocation needs a lock. | |
316 // | |
317 // We should avoid using large stack allocated buffers. Many errors happen | |
318 // when stack space is already low. Making things even worse is that there | |
319 // could be nested report_and_die() calls on stack (see above). Only one | |
320 // thread can report error, so large buffers are statically allocated in data | |
321 // segment. | |
322 | |
323 void VMError::report(outputStream* st) { | |
324 # define BEGIN if (_current_step == 0) { _current_step = 1; | |
325 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; | |
326 # define END } | |
327 | |
328 // don't allocate large buffer on stack | |
329 static char buf[O_BUFLEN]; | |
330 | |
331 BEGIN | |
332 | |
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333 STEP(10, "(printing fatal error message)") |
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335 st->print_cr("#"); |
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336 if (should_report_bug(_id)) { |
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337 st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); |
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338 } else { |
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339 st->print_cr("# There is insufficient memory for the Java " |
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340 "Runtime Environment to continue."); |
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341 } |
0 | 342 |
343 STEP(15, "(printing type of error)") | |
344 | |
345 switch(_id) { | |
346 case oom_error: | |
347 if (_size) { | |
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348 st->print("# Native memory allocation (malloc) failed to allocate "); |
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349 jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size); |
0 | 350 st->print(buf); |
351 st->print(" bytes"); | |
352 if (_message != NULL) { | |
353 st->print(" for "); | |
354 st->print(_message); | |
355 } | |
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356 st->cr(); |
0 | 357 } else { |
358 if (_message != NULL) | |
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359 st->print("# "); |
0 | 360 st->print_cr(_message); |
361 } | |
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362 // In error file give some solutions |
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363 if (_verbose) { |
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364 st->print_cr("# Possible reasons:"); |
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365 st->print_cr("# The system is out of physical RAM or swap space"); |
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366 st->print_cr("# In 32 bit mode, the process size limit was hit"); |
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367 st->print_cr("# Possible solutions:"); |
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368 st->print_cr("# Reduce memory load on the system"); |
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369 st->print_cr("# Increase physical memory or swap space"); |
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370 st->print_cr("# Check if swap backing store is full"); |
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371 st->print_cr("# Use 64 bit Java on a 64 bit OS"); |
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372 st->print_cr("# Decrease Java heap size (-Xmx/-Xms)"); |
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373 st->print_cr("# Decrease number of Java threads"); |
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374 st->print_cr("# Decrease Java thread stack sizes (-Xss)"); |
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375 st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize="); |
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376 st->print_cr("# This output file may be truncated or incomplete."); |
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377 } else { |
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378 return; // that's enough for the screen |
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379 } |
0 | 380 break; |
381 case internal_error: | |
382 default: | |
383 break; | |
384 } | |
385 | |
386 STEP(20, "(printing exception/signal name)") | |
387 | |
388 st->print_cr("#"); | |
389 st->print("# "); | |
390 // Is it an OS exception/signal? | |
391 if (os::exception_name(_id, buf, sizeof(buf))) { | |
392 st->print("%s", buf); | |
393 st->print(" (0x%x)", _id); // signal number | |
394 st->print(" at pc=" PTR_FORMAT, _pc); | |
395 } else { | |
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396 if (should_report_bug(_id)) { |
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397 st->print("Internal Error"); |
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398 } else { |
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399 st->print("Out of Memory Error"); |
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400 } |
0 | 401 if (_filename != NULL && _lineno > 0) { |
402 #ifdef PRODUCT | |
403 // In product mode chop off pathname? | |
404 char separator = os::file_separator()[0]; | |
405 const char *p = strrchr(_filename, separator); | |
406 const char *file = p ? p+1 : _filename; | |
407 #else | |
408 const char *file = _filename; | |
409 #endif | |
410 size_t len = strlen(file); | |
411 size_t buflen = sizeof(buf); | |
412 | |
413 strncpy(buf, file, buflen); | |
414 if (len + 10 < buflen) { | |
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415 sprintf(buf + len, ":%d", _lineno); |
0 | 416 } |
417 st->print(" (%s)", buf); | |
418 } else { | |
419 st->print(" (0x%x)", _id); | |
420 } | |
421 } | |
422 | |
423 STEP(30, "(printing current thread and pid)") | |
424 | |
425 // process id, thread id | |
426 st->print(", pid=%d", os::current_process_id()); | |
427 st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); | |
428 st->cr(); | |
429 | |
430 STEP(40, "(printing error message)") | |
431 | |
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432 if (should_report_bug(_id)) { // already printed the message. |
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433 // error message |
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434 if (_detail_msg) { |
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435 st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg); |
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436 } else if (_message) { |
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437 st->print_cr("# Error: %s", _message); |
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438 } |
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439 } |
0 | 440 |
441 STEP(50, "(printing Java version string)") | |
442 | |
443 // VM version | |
444 st->print_cr("#"); | |
473
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445 JDK_Version::current().to_string(buf, sizeof(buf)); |
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446 st->print_cr("# JRE version: %s", buf); |
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447 st->print_cr("# Java VM: %s (%s %s %s %s)", |
0 | 448 Abstract_VM_Version::vm_name(), |
449 Abstract_VM_Version::vm_release(), | |
450 Abstract_VM_Version::vm_info_string(), | |
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451 Abstract_VM_Version::vm_platform_string(), |
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452 UseCompressedOops ? "compressed oops" : "" |
0 | 453 ); |
454 | |
455 STEP(60, "(printing problematic frame)") | |
456 | |
457 // Print current frame if we have a context (i.e. it's a crash) | |
458 if (_context) { | |
459 st->print_cr("# Problematic frame:"); | |
460 st->print("# "); | |
461 frame fr = os::fetch_frame_from_context(_context); | |
462 fr.print_on_error(st, buf, sizeof(buf)); | |
463 st->cr(); | |
464 st->print_cr("#"); | |
465 } | |
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466 STEP(63, "(printing core file information)") |
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467 st->print("# "); |
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468 if (coredump_status) { |
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469 st->print("Core dump written. Default location: %s", coredump_message); |
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470 } else { |
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471 st->print("Failed to write core dump. %s", coredump_message); |
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472 } |
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473 st->print_cr(""); |
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474 st->print_cr("#"); |
0 | 475 |
476 STEP(65, "(printing bug submit message)") | |
477 | |
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478 if (should_report_bug(_id) && _verbose) { |
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479 print_bug_submit_message(st, _thread); |
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480 } |
0 | 481 |
482 STEP(70, "(printing thread)" ) | |
483 | |
484 if (_verbose) { | |
485 st->cr(); | |
486 st->print_cr("--------------- T H R E A D ---------------"); | |
487 st->cr(); | |
488 } | |
489 | |
490 STEP(80, "(printing current thread)" ) | |
491 | |
492 // current thread | |
493 if (_verbose) { | |
494 if (_thread) { | |
495 st->print("Current thread (" PTR_FORMAT "): ", _thread); | |
496 _thread->print_on_error(st, buf, sizeof(buf)); | |
497 st->cr(); | |
498 } else { | |
499 st->print_cr("Current thread is native thread"); | |
500 } | |
501 st->cr(); | |
502 } | |
503 | |
504 STEP(90, "(printing siginfo)" ) | |
505 | |
506 // signal no, signal code, address that caused the fault | |
507 if (_verbose && _siginfo) { | |
508 os::print_siginfo(st, _siginfo); | |
509 st->cr(); | |
510 } | |
511 | |
512 STEP(100, "(printing registers, top of stack, instructions near pc)") | |
513 | |
514 // registers, top of stack, instructions near pc | |
515 if (_verbose && _context) { | |
516 os::print_context(st, _context); | |
517 st->cr(); | |
518 } | |
519 | |
1907 | 520 STEP(105, "(printing register info)") |
521 | |
522 // decode register contents if possible | |
523 if (_verbose && _context && Universe::is_fully_initialized()) { | |
524 os::print_register_info(st, _context); | |
525 st->cr(); | |
526 } | |
527 | |
0 | 528 STEP(110, "(printing stack bounds)" ) |
529 | |
530 if (_verbose) { | |
531 st->print("Stack: "); | |
532 | |
533 address stack_top; | |
534 size_t stack_size; | |
535 | |
536 if (_thread) { | |
537 stack_top = _thread->stack_base(); | |
538 stack_size = _thread->stack_size(); | |
539 } else { | |
540 stack_top = os::current_stack_base(); | |
541 stack_size = os::current_stack_size(); | |
542 } | |
543 | |
544 address stack_bottom = stack_top - stack_size; | |
545 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top); | |
546 | |
547 frame fr = _context ? os::fetch_frame_from_context(_context) | |
548 : os::current_frame(); | |
549 | |
550 if (fr.sp()) { | |
551 st->print(", sp=" PTR_FORMAT, fr.sp()); | |
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552 size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024); |
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553 st->print(", free space=" SIZE_FORMAT "k", free_stack_size); |
0 | 554 } |
555 | |
556 st->cr(); | |
557 } | |
558 | |
559 STEP(120, "(printing native stack)" ) | |
560 | |
561 if (_verbose) { | |
562 frame fr = _context ? os::fetch_frame_from_context(_context) | |
563 : os::current_frame(); | |
564 | |
565 // see if it's a valid frame | |
566 if (fr.pc()) { | |
567 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)"); | |
568 | |
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569 // initialize decoder to decode C frames |
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570 Decoder decoder; |
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571 |
0 | 572 int count = 0; |
573 while (count++ < StackPrintLimit) { | |
574 fr.print_on_error(st, buf, sizeof(buf)); | |
575 st->cr(); | |
576 if (os::is_first_C_frame(&fr)) break; | |
577 fr = os::get_sender_for_C_frame(&fr); | |
578 } | |
579 | |
580 if (count > StackPrintLimit) { | |
581 st->print_cr("...<more frames>..."); | |
582 } | |
583 | |
584 st->cr(); | |
585 } | |
586 } | |
587 | |
588 STEP(130, "(printing Java stack)" ) | |
589 | |
590 if (_verbose && _thread && _thread->is_Java_thread()) { | |
1384 | 591 print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); |
0 | 592 } |
593 | |
1119
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594 STEP(135, "(printing target Java thread stack)" ) |
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595 |
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596 // printing Java thread stack trace if it is involved in GC crash |
1907 | 597 if (_verbose && _thread && (_thread->is_Named_thread())) { |
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598 JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); |
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599 if (jt != NULL) { |
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600 st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id()); |
1384 | 601 print_stack_trace(st, jt, buf, sizeof(buf), true); |
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602 } |
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603 } |
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604 |
0 | 605 STEP(140, "(printing VM operation)" ) |
606 | |
607 if (_verbose && _thread && _thread->is_VM_thread()) { | |
608 VMThread* t = (VMThread*)_thread; | |
609 VM_Operation* op = t->vm_operation(); | |
610 if (op) { | |
611 op->print_on_error(st); | |
612 st->cr(); | |
613 st->cr(); | |
614 } | |
615 } | |
616 | |
617 STEP(150, "(printing current compile task)" ) | |
618 | |
619 if (_verbose && _thread && _thread->is_Compiler_thread()) { | |
620 CompilerThread* t = (CompilerThread*)_thread; | |
621 if (t->task()) { | |
622 st->cr(); | |
623 st->print_cr("Current CompileTask:"); | |
624 t->task()->print_line_on_error(st, buf, sizeof(buf)); | |
625 st->cr(); | |
626 } | |
627 } | |
628 | |
629 STEP(160, "(printing process)" ) | |
630 | |
631 if (_verbose) { | |
632 st->cr(); | |
633 st->print_cr("--------------- P R O C E S S ---------------"); | |
634 st->cr(); | |
635 } | |
636 | |
637 STEP(170, "(printing all threads)" ) | |
638 | |
639 // all threads | |
640 if (_verbose && _thread) { | |
641 Threads::print_on_error(st, _thread, buf, sizeof(buf)); | |
642 st->cr(); | |
643 } | |
644 | |
645 STEP(175, "(printing VM state)" ) | |
646 | |
647 if (_verbose) { | |
648 // Safepoint state | |
649 st->print("VM state:"); | |
650 | |
651 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); | |
652 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); | |
653 else st->print("not at safepoint"); | |
654 | |
655 // Also see if error occurred during initialization or shutdown | |
656 if (!Universe::is_fully_initialized()) { | |
657 st->print(" (not fully initialized)"); | |
658 } else if (VM_Exit::vm_exited()) { | |
659 st->print(" (shutting down)"); | |
660 } else { | |
661 st->print(" (normal execution)"); | |
662 } | |
663 st->cr(); | |
664 st->cr(); | |
665 } | |
666 | |
667 STEP(180, "(printing owned locks on error)" ) | |
668 | |
669 // mutexes/monitors that currently have an owner | |
670 if (_verbose) { | |
671 print_owned_locks_on_error(st); | |
672 st->cr(); | |
673 } | |
674 | |
675 STEP(190, "(printing heap information)" ) | |
676 | |
677 if (_verbose && Universe::is_fully_initialized()) { | |
678 // print heap information before vm abort | |
679 Universe::print_on(st); | |
680 st->cr(); | |
681 } | |
682 | |
1907 | 683 STEP(195, "(printing code cache information)" ) |
684 | |
685 if (_verbose && Universe::is_fully_initialized()) { | |
686 // print code cache information before vm abort | |
687 CodeCache::print_bounds(st); | |
688 st->cr(); | |
689 } | |
690 | |
0 | 691 STEP(200, "(printing dynamic libraries)" ) |
692 | |
693 if (_verbose) { | |
694 // dynamic libraries, or memory map | |
695 os::print_dll_info(st); | |
696 st->cr(); | |
697 } | |
698 | |
699 STEP(210, "(printing VM options)" ) | |
700 | |
701 if (_verbose) { | |
702 // VM options | |
703 Arguments::print_on(st); | |
704 st->cr(); | |
705 } | |
706 | |
707 STEP(220, "(printing environment variables)" ) | |
708 | |
709 if (_verbose) { | |
710 os::print_environment_variables(st, env_list, buf, sizeof(buf)); | |
711 st->cr(); | |
712 } | |
713 | |
714 STEP(225, "(printing signal handlers)" ) | |
715 | |
716 if (_verbose) { | |
717 os::print_signal_handlers(st, buf, sizeof(buf)); | |
718 st->cr(); | |
719 } | |
720 | |
721 STEP(230, "" ) | |
722 | |
723 if (_verbose) { | |
724 st->cr(); | |
725 st->print_cr("--------------- S Y S T E M ---------------"); | |
726 st->cr(); | |
727 } | |
728 | |
729 STEP(240, "(printing OS information)" ) | |
730 | |
731 if (_verbose) { | |
732 os::print_os_info(st); | |
733 st->cr(); | |
734 } | |
735 | |
736 STEP(250, "(printing CPU info)" ) | |
737 if (_verbose) { | |
738 os::print_cpu_info(st); | |
739 st->cr(); | |
740 } | |
741 | |
742 STEP(260, "(printing memory info)" ) | |
743 | |
744 if (_verbose) { | |
745 os::print_memory_info(st); | |
746 st->cr(); | |
747 } | |
748 | |
749 STEP(270, "(printing internal vm info)" ) | |
750 | |
751 if (_verbose) { | |
752 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); | |
753 st->cr(); | |
754 } | |
755 | |
756 STEP(280, "(printing date and time)" ) | |
757 | |
758 if (_verbose) { | |
759 os::print_date_and_time(st); | |
760 st->cr(); | |
761 } | |
762 | |
763 END | |
764 | |
765 # undef BEGIN | |
766 # undef STEP | |
767 # undef END | |
768 } | |
769 | |
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770 VMError* volatile VMError::first_error = NULL; |
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771 volatile jlong VMError::first_error_tid = -1; |
0 | 772 |
773 void VMError::report_and_die() { | |
774 // Don't allocate large buffer on stack | |
775 static char buffer[O_BUFLEN]; | |
776 | |
777 // An error could happen before tty is initialized or after it has been | |
778 // destroyed. Here we use a very simple unbuffered fdStream for printing. | |
779 // Only out.print_raw() and out.print_raw_cr() should be used, as other | |
780 // printing methods need to allocate large buffer on stack. To format a | |
781 // string, use jio_snprintf() with a static buffer or use staticBufferStream. | |
782 static fdStream out(defaultStream::output_fd()); | |
783 | |
784 // How many errors occurred in error handler when reporting first_error. | |
785 static int recursive_error_count; | |
786 | |
787 // We will first print a brief message to standard out (verbose = false), | |
788 // then save detailed information in log file (verbose = true). | |
789 static bool out_done = false; // done printing to standard out | |
790 static bool log_done = false; // done saving error log | |
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791 static bool transmit_report_done = false; // done error reporting |
0 | 792 static fdStream log; // error log |
793 | |
794 if (SuppressFatalErrorMessage) { | |
795 os::abort(); | |
796 } | |
797 jlong mytid = os::current_thread_id(); | |
798 if (first_error == NULL && | |
799 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) { | |
800 | |
801 // first time | |
802 first_error_tid = mytid; | |
803 set_error_reported(); | |
804 | |
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805 if (ShowMessageBoxOnError || PauseAtExit) { |
0 | 806 show_message_box(buffer, sizeof(buffer)); |
807 | |
808 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the | |
809 // WatcherThread can kill JVM if the error handler hangs. | |
810 ShowMessageBoxOnError = false; | |
811 } | |
812 | |
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813 // Write a minidump on Windows, check core dump limits on Linux/Solaris |
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814 os::check_or_create_dump(_siginfo, _context, buffer, sizeof(buffer)); |
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815 |
0 | 816 // reset signal handlers or exception filter; make sure recursive crashes |
817 // are handled properly. | |
818 reset_signal_handlers(); | |
819 | |
820 } else { | |
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821 // If UseOsErrorReporting we call this for each level of the call stack |
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822 // while searching for the exception handler. Only the first level needs |
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823 // to be reported. |
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824 if (UseOSErrorReporting && log_done) return; |
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825 |
0 | 826 // This is not the first error, see if it happened in a different thread |
827 // or in the same thread during error reporting. | |
828 if (first_error_tid != mytid) { | |
829 jio_snprintf(buffer, sizeof(buffer), | |
830 "[thread " INT64_FORMAT " also had an error]", | |
831 mytid); | |
832 out.print_raw_cr(buffer); | |
833 | |
834 // error reporting is not MT-safe, block current thread | |
835 os::infinite_sleep(); | |
836 | |
837 } else { | |
838 if (recursive_error_count++ > 30) { | |
839 out.print_raw_cr("[Too many errors, abort]"); | |
840 os::die(); | |
841 } | |
842 | |
843 jio_snprintf(buffer, sizeof(buffer), | |
844 "[error occurred during error reporting %s, id 0x%x]", | |
845 first_error ? first_error->_current_step_info : "", | |
846 _id); | |
847 if (log.is_open()) { | |
848 log.cr(); | |
849 log.print_raw_cr(buffer); | |
850 log.cr(); | |
851 } else { | |
852 out.cr(); | |
853 out.print_raw_cr(buffer); | |
854 out.cr(); | |
855 } | |
856 } | |
857 } | |
858 | |
859 // print to screen | |
860 if (!out_done) { | |
861 first_error->_verbose = false; | |
862 | |
863 staticBufferStream sbs(buffer, sizeof(buffer), &out); | |
864 first_error->report(&sbs); | |
865 | |
866 out_done = true; | |
867 | |
868 first_error->_current_step = 0; // reset current_step | |
869 first_error->_current_step_info = ""; // reset current_step string | |
870 } | |
871 | |
872 // print to error log file | |
873 if (!log_done) { | |
874 first_error->_verbose = true; | |
875 | |
876 // see if log file is already open | |
877 if (!log.is_open()) { | |
878 // open log file | |
879 int fd = -1; | |
880 | |
881 if (ErrorFile != NULL) { | |
882 bool copy_ok = | |
883 Arguments::copy_expand_pid(ErrorFile, strlen(ErrorFile), buffer, sizeof(buffer)); | |
884 if (copy_ok) { | |
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885 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666); |
0 | 886 } |
887 } | |
888 | |
889 if (fd == -1) { | |
890 const char *cwd = os::get_current_directory(buffer, sizeof(buffer)); | |
891 size_t len = strlen(cwd); | |
892 // either user didn't specify, or the user's location failed, | |
893 // so use the default name in the current directory | |
894 jio_snprintf(&buffer[len], sizeof(buffer)-len, "%shs_err_pid%u.log", | |
895 os::file_separator(), os::current_process_id()); | |
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896 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666); |
0 | 897 } |
898 | |
899 if (fd == -1) { | |
900 const char * tmpdir = os::get_temp_directory(); | |
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901 // try temp directory if it exists. |
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902 if (tmpdir != NULL && tmpdir[0] != '\0') { |
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903 jio_snprintf(buffer, sizeof(buffer), "%s%shs_err_pid%u.log", |
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904 tmpdir, os::file_separator(), os::current_process_id()); |
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905 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666); |
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906 } |
0 | 907 } |
908 | |
909 if (fd != -1) { | |
910 out.print_raw("# An error report file with more information is saved as:\n# "); | |
911 out.print_raw_cr(buffer); | |
912 os::set_error_file(buffer); | |
913 | |
914 log.set_fd(fd); | |
915 } else { | |
916 out.print_raw_cr("# Can not save log file, dump to screen.."); | |
917 log.set_fd(defaultStream::output_fd()); | |
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918 /* Error reporting currently needs dumpfile. |
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919 * Maybe implement direct streaming in the future.*/ |
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920 transmit_report_done = true; |
0 | 921 } |
922 } | |
923 | |
924 staticBufferStream sbs(buffer, O_BUFLEN, &log); | |
925 first_error->report(&sbs); | |
926 first_error->_current_step = 0; // reset current_step | |
927 first_error->_current_step_info = ""; // reset current_step string | |
928 | |
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929 // Run error reporting to determine whether or not to report the crash. |
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930 if (!transmit_report_done && should_report_bug(first_error->_id)) { |
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931 transmit_report_done = true; |
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932 FILE* hs_err = ::fdopen(log.fd(), "r"); |
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933 if (NULL != hs_err) { |
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934 ErrorReporter er; |
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935 er.call(hs_err, buffer, O_BUFLEN); |
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936 } |
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937 } |
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938 |
0 | 939 if (log.fd() != defaultStream::output_fd()) { |
940 close(log.fd()); | |
941 } | |
942 | |
943 log.set_fd(-1); | |
944 log_done = true; | |
945 } | |
946 | |
947 | |
948 static bool skip_OnError = false; | |
949 if (!skip_OnError && OnError && OnError[0]) { | |
950 skip_OnError = true; | |
951 | |
952 out.print_raw_cr("#"); | |
953 out.print_raw ("# -XX:OnError=\""); | |
954 out.print_raw (OnError); | |
955 out.print_raw_cr("\""); | |
956 | |
957 char* cmd; | |
958 const char* ptr = OnError; | |
959 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
960 out.print_raw ("# Executing "); | |
961 #if defined(LINUX) | |
962 out.print_raw ("/bin/sh -c "); | |
963 #elif defined(SOLARIS) | |
964 out.print_raw ("/usr/bin/sh -c "); | |
965 #endif | |
966 out.print_raw ("\""); | |
967 out.print_raw (cmd); | |
968 out.print_raw_cr("\" ..."); | |
969 | |
970 os::fork_and_exec(cmd); | |
971 } | |
972 | |
973 // done with OnError | |
974 OnError = NULL; | |
975 } | |
976 | |
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977 static bool skip_bug_url = !should_report_bug(first_error->_id); |
0 | 978 if (!skip_bug_url) { |
979 skip_bug_url = true; | |
980 | |
981 out.print_raw_cr("#"); | |
982 print_bug_submit_message(&out, _thread); | |
983 } | |
984 | |
985 if (!UseOSErrorReporting) { | |
986 // os::abort() will call abort hooks, try it first. | |
987 static bool skip_os_abort = false; | |
988 if (!skip_os_abort) { | |
989 skip_os_abort = true; | |
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990 bool dump_core = should_report_bug(first_error->_id); |
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991 os::abort(dump_core); |
0 | 992 } |
993 | |
994 // if os::abort() doesn't abort, try os::die(); | |
995 os::die(); | |
996 } | |
997 } | |
998 | |
999 /* | |
1000 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this | |
1001 * ensures utilities such as jmap can observe the process is a consistent state. | |
1002 */ | |
1003 class VM_ReportJavaOutOfMemory : public VM_Operation { | |
1004 private: | |
1005 VMError *_err; | |
1006 public: | |
1007 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; } | |
1008 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } | |
1009 void doit(); | |
1010 }; | |
1011 | |
1012 void VM_ReportJavaOutOfMemory::doit() { | |
1013 // Don't allocate large buffer on stack | |
1014 static char buffer[O_BUFLEN]; | |
1015 | |
1016 tty->print_cr("#"); | |
1017 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message()); | |
1018 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); | |
1019 | |
1020 // make heap parsability | |
1021 Universe::heap()->ensure_parsability(false); // no need to retire TLABs | |
1022 | |
1023 char* cmd; | |
1024 const char* ptr = OnOutOfMemoryError; | |
1025 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
1026 tty->print("# Executing "); | |
1027 #if defined(LINUX) | |
1028 tty->print ("/bin/sh -c "); | |
1029 #elif defined(SOLARIS) | |
1030 tty->print ("/usr/bin/sh -c "); | |
1031 #endif | |
1032 tty->print_cr("\"%s\"...", cmd); | |
1033 | |
1034 os::fork_and_exec(cmd); | |
1035 } | |
1036 } | |
1037 | |
1038 void VMError::report_java_out_of_memory() { | |
1039 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { | |
1040 MutexLocker ml(Heap_lock); | |
1041 VM_ReportJavaOutOfMemory op(this); | |
1042 VMThread::execute(&op); | |
1043 } | |
1044 } |