Hi,

We use <artifact.dependencies> Ant task in our Ant scripts. But found several 
new threads were created and never existed each time <artifact.dependencies> 
was invoked. So after running some Ant scripts, we encountered the limitation 
of “max user processes” on Linux, and got exception like the following:
----------------------------------------

Exception in thread "pool-79-thread-4" java.lang.OutOfMemoryError: unable to 
create new native thread

         at java.lang.Thread.start0(Native Method)

         at java.lang.Thread.start(Thread.java:714)

       at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:950)

       at 
java.util.concurrent.ThreadPoolExecutor.processWorkerExit(ThreadPoolExecutor.java:1018)

       at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1160)

       at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

       at java.lang.Thread.run(Thread.java:745)

--------------------------------------

Below and attached is the screenshot (not sure whether this maillist support 
image or attachment) of jconsole connecting to Ant process after running our 
Ant scripts for a while. There are over 100 threads and the thread count keeps 
increasing. There isn’t such issue without using <artifact.dependencies> Ant 
task.

Is there any way to make the threads be released?

 

threads.jpg

 

 

 

Best regards,

-Weifeng

 
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