[rules-users] Stuck Threads

[Burak Aydin]

Hello,

While trying to open stateful session in a 32 core machine and 35 threads,
all of the threads hangs. Below is the stack trace. ChainedProperties class
seems to be thread-unsafe??

gridgain-#13%null%" - Thread t at 64

   java.lang.Thread.State: RUNNABLE

        at
sun.misc.URLClassPath$JarLoader.getResource(URLClassPath.java:806)

        at
sun.misc.URLClassPath$JarLoader.getResource(URLClassPath.java:765)

        at
sun.misc.URLClassPath$JarLoader.findResource(URLClassPath.java:735)

        at sun.misc.URLClassPath$1.next(URLClassPath.java:196)

        at sun.misc.URLClassPath$1.hasMoreElements(URLClassPath.java:206)

        at java.net.URLClassLoader$3$1.run(URLClassLoader.java:416)

        at java.security.AccessController.doPrivileged(Native Method)

        at java.net.URLClassLoader$3.next(URLClassLoader.java:413)

        at
java.net.URLClassLoader$3.hasMoreElements(URLClassLoader.java:438)

        at sun.misc.CompoundEnumeration.next(CompoundEnumeration.java:27)

        at
sun.misc.CompoundEnumeration.hasMoreElements(CompoundEnumeration.java:36)

        at sun.misc.CompoundEnumeration.next(CompoundEnumeration.java:27)

        at
sun.misc.CompoundEnumeration.hasMoreElements(CompoundEnumeration.java:36)

        at sun.misc.CompoundEnumeration.next(CompoundEnumeration.java:27)

        at
sun.misc.CompoundEnumeration.hasMoreElements(CompoundEnumeration.java:36)

        at
org.drools.util.ChainedProperties.loadProperties(ChainedProperties.java:232)

        at org.drools.util.ChainedProperties.(ChainedProperties.java:112)

        at org.drools.util.ChainedProperties.(ChainedProperties.java:41)

        at org.drools.util.ChainedProperties.(ChainedProperties.java:35)

        at
org.drools.SessionConfiguration.init(SessionConfiguration.java:131)

        at org.drools.SessionConfiguration.(SessionConfiguration.java:112)

        at
org.drools.impl.KnowledgeBaseImpl.newStatefulKnowledgeSession(KnowledgeBaseImpl.java:134)

        at texan.qset.service.QsetService.executeQset(QsetService.java:72)

        at texan.qset.service.QsetService.executeQset(QsetService.java:34)

        at
texan.crop.service.ProductPostingService.processQSet(ProductPostingService.java:600)

        at
texan.crop.service.ProductPostingService.processQSets(ProductPostingService.java:582)

        at
texan.crop.service.ProductPostingService.createOrUpdateProduct(ProductPostingService.java:562)

        at
texan.crop.service.ProductPostingService.postingProcess(ProductPostingService.java:181)

        at
texan.crop.service.ProductPostingService.productPostingProcess_aroundBody0(ProductPostingService.java:85)

        at
texan.crop.service.ProductPostingService$AjcClosure1.run(ProductPostingService.java:1)

        at org.aspectj.runtime.reflect.JoinPointImpl.proceed(Unknown Source)

        at
falez.runtime.aop.FalezTransactionalAspect$4.proceed(FalezTransactionalAspect.java:176)

        at
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)

        at
falez.runtime.aop.FalezTransactionalAspect.advice(FalezTransactionalAspect.java:215)

        at
falez.runtime.aop.TexanTransactionalAspect.ajc$inlineAccessMethod$falez_runtime_aop_TexanTransactionalAspect$falez_runtime_aop_FalezTransactionalAspect$advice(TexanTransactionalAspect.java:1)

        at
falez.runtime.aop.TexanTransactionalAspect.around(TexanTransactionalAspect.java:26)

        at
texan.crop.service.ProductPostingService.productPostingProcess(ProductPostingService.java:80)

        at
texan.crop.batch.grid.ProductPostingBatch.doCifProcess(ProductPostingBatch.java:45)

        - locked texan.crop.batch.grid.ProductPostingBatch@@10880

        at
texan.crop.batch.grid.ProductPostingBatch.doProcess(ProductPostingBatch.java:37)

        at
falez.runtime.batch.AbstractBatchOperation.doProcess(AbstractBatchOperation.java:209)

        at
texan.crop.batch.grid.ProductPostingBatch.doProcess_aroundBody0(ProductPostingBatch.java:29)

        at
texan.crop.batch.grid.ProductPostingBatch$AjcClosure1.run(ProductPostingBatch.java:1)

        at org.aspectj.runtime.reflect.JoinPointImpl.proceed(Unknown Source)

        at
falez.runtime.aop.FalezTransactionalAspect$4.proceed(FalezTransactionalAspect.java:176)

        at
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)

        at
falez.runtime.aop.FalezTransactionalAspect.advice(FalezTransactionalAspect.java:215)

        at
falez.runtime.aop.TexanTransactionalAspect.ajc$inlineAccessMethod$falez_runtime_aop_TexanTransactionalAspect$falez_runtime_aop_FalezTransactionalAspect$advice(TexanTransactionalAspect.java:1)

        at
falez.runtime.aop.TexanTransactionalAspect.around(TexanTransactionalAspect.java:26)

        at
texan.crop.batch.grid.ProductPostingBatch.doProcess(ProductPostingBatch.java:28)

        at
falez.runtime.batch.AbstractBatchOperation.process(AbstractBatchOperation.java:76)

        at
falez.runtime.batch.BatchProcessingTask$BatchProcessingJob.doExecute(BatchProcessingTask.java:89)

        at
falez.runtime.batch.BatchProcessingTask$BatchProcessingJob.execute(BatchProcessingTask.java:76)

        at
falez.runtime.batch.BatchProcessingTask$BatchProcessingJob.execute(BatchProcessingTask.java:1)

        at
org.gridgain.grid.kernal.processors.job.GridJobWorker.body(GridJobWorker.java:406)

        at
org.gridgain.grid.util.runnable.GridRunnable$1.run(GridRunnable.java:142)

        at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)

        at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)

        at java.util.concurrent.FutureTask.run(FutureTask.java:138)

        at
org.gridgain.grid.util.runnable.GridRunnable.run(GridRunnable.java:194)

        at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)

        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)

        at java.lang.Thread.run(Thread.java:619)

-- 
Burak AYDIN
Senior Software Engineer
OBSS
-------------------------------------
9433 @YKB
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