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get object by hexadecimal address in jstack
Joined: May 10, 2011
Aug 09, 2011 16:02:40
I use jstack PID command on my program in
and I got this output.
"MapOutputCopier attempt_201108092223_0002_r_000013_1_0.2" prio=10 tid=0x00007f565c0b4000 nid=0x5f92 in Object.wait() [0x0000000041840000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:485) at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$MapOutputCopier.run(ReduceTask.java:1276) - locked <0x00007f5668a910c0> (a java.util.ArrayList)
At one line, I've got " - locked <0x00007f5668a910c0> (a
)". I'd like to know what this hexadecimal address points to, to know which arraylist is . Is this possible?
Joined: Oct 13, 2005
Aug 09, 2011 16:21:36
Too difficult a question for "beginning". Moving thread.
I agree. Here's the link:
- if it wasn't for jprofiler, we would need to run our stuff on 16 servers instead of 3.
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