-XX:[+|-]HitachiJavaClassLibTrace (Option to output the stack trace of class library)
- Organization of this page
Format
- -XX:+HitachiJavaClassLibTrace
-
This option outputs the stack trace of the class library.
- -XX:-HitachiJavaClassLibTrace
-
This option does not output the stack trace of the class library.
Description
When a method that affects the entire system shown below is used, the stack traces of the API of these systems will be output to the JavaVM log file:
-
java.lang.System.gc
-
java.lang.System.exit
-
java.lang.System.runFinalizersOnExit
-
java.lang.Runtime.exit
-
java.lang.Runtime.halt
-
java.lang.Runtime.runFinalizersOnExit
- Default value
-
-
-XX:-HitachiJavaClassLibTrace
-
Output format
[id] [Thread:thread_id]<date> [id] [Thread:thread_id] stack_trace
The following is a description of the output contents:
- id
-
CLT (Identifier of the Java VM log file).
- thread_id
-
Thread ID (tid output to the thread dump).
- date
-
Indicates the date and time when class library was used.
- stack_trace
-
Stack trace.
Example of output 1
[CLT][Thread: 0x00062fd0]<Mon Sep 27 12:10:03 2004> [CLT][Thread: 0x00062fd0] at at java.lang.Shutdown.halt0(Native Method) [CLT][Thread: 0x00062fd0] at java.lang.Shutdown.halt(Shutdown.java:145) [CLT][Thread: 0x00062fd0] - locked <0x100101a0> (a java.lang.Shutdown$Lock) [CLT][Thread: 0x00062fd0] at java.lang.Shutdown.exit(Shutdown.java:222) [CLT][Thread: 0x00062fd0] - locked <0x1413c0a0> (a java.lang.Class) [CLT][Thread: 0x00062fd0] at java.lang.Terminator$1.handle(Terminator.java:35) [CLT][Thread: 0x00062fd0] at sun.misc.Signal$1.run(Signal.java:195) [CLT][Thread: 0x00062fd0] at java.lang.Thread.run(Thread.java:534)
Example of output 2
[CLT][Thread: 0x009c4000]<Tue Oct 09 15:36:18 2012> [CLT][Thread: 0x009c4000] at java.lang.Runtime.outputJavaClassLibTrace(Native Method) [CLT][Thread: 0x009c4000] at java.lang.Runtime.runFinalizersOnExit(Runtime.java:378) [CLT][Thread: 0x009c4000] at java.lang.System.runFinalizersOnExit(System.java:978) [CLT][Thread: 0x009c4000] at Program.main(Program.java:8)