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17827
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. 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 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.
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22 */
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23
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24 /*
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25 * @test TestGCLogRotationViaJcmd.java
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26 * @bug 7090324
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27 * @summary test for gc log rotation via jcmd
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28 * @library /testlibrary
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29 * @run main/othervm -Xloggc:test.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=3 TestGCLogRotationViaJcmd
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30 *
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31 */
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32 import com.oracle.java.testlibrary.*;
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33 import java.io.File;
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34 import java.io.FilenameFilter;
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35
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36 public class TestGCLogRotationViaJcmd {
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37
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38 static final File currentDirectory = new File(".");
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39 static final String LOG_FILE_NAME = "test.log";
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40 static final int NUM_LOGS = 3;
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41
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42 static FilenameFilter logFilter = new FilenameFilter() {
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43 @Override
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44 public boolean accept(File dir, String name) {
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45 return name.startsWith(LOG_FILE_NAME);
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46 }
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47 };
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48
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49 public static void main(String[] args) throws Exception {
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50 // Grab the pid from the current java process
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51 String pid = Integer.toString(ProcessTools.getProcessId());
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52
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53 // Create a JDKToolLauncher
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54 JDKToolLauncher jcmd = JDKToolLauncher.create("jcmd")
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55 .addToolArg(pid)
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56 .addToolArg("GC.rotate_log");
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57
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58 for (int times = 1; times < NUM_LOGS; times++) {
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59 // Run jcmd <pid> GC.rotate_log
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60 ProcessBuilder pb = new ProcessBuilder(jcmd.getCommand());
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61
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62 // Make sure we didn't crash
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63 OutputAnalyzer output = new OutputAnalyzer(pb.start());
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64 output.shouldHaveExitValue(0);
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65 }
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66
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67 // GC log check
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68 File[] logs = currentDirectory.listFiles(logFilter);
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69 if (logs.length != NUM_LOGS) {
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70 throw new Error("There are only " + logs.length
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71 + " logs instead " + NUM_LOGS);
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72 }
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73
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74 }
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75
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76 }
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77
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