You need to synchronize access to your code yourself. The Thrift server cannot so this for you.
On Fri, Nov 25, 2011 at 1:33 AM, Sreejith S <[email protected]> wrote: > Hi all, > > I am using thrift in a multi threaded environment. > My thrift server can handle many client requests and produce the output as > desired,but in some cases this error happens. > Is there any way to over come this error. > > This is my stack trace. > > 2011-11-25 12:42:05 TThreadPoolServer [ERROR] Error occurred during > processing of message. > java.util. > ConcurrentModificationException > at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810) > at java.util.HashMap$ValueIterator.next(HashMap.java:839) > at > > gate.annotation.ImmutableAnnotationSetImpl.<init>(ImmutableAnnotationSetImpl.java:28) > at gate.annotation.AnnotationSetImpl.get(AnnotationSetImpl.java:272) > at gate.annotation.AnnotationSetImpl.get(AnnotationSetImpl.java:285) > at > gate.jape.SinglePhaseTransducer.transduce(SinglePhaseTransducer.java:232) > at > gate.jape.MultiPhaseTransducer.transduce(MultiPhaseTransducer.java:182) > at gate.jape.Batch.transduce(Batch.java:364) > at gate.creole.Transducer.execute(Transducer.java:148) > at gate.util.Benchmark.executeWithBenchmarking(Benchmark.java:299) > at gate.creole.SerialController.runComponent(SerialController.java:222) > at gate.creole.SerialController.executeImpl(SerialController.java:153) > at > > gate.creole.SerialAnalyserController.executeImpl(SerialAnalyserController.java:118) > at gate.creole.AbstractController.execute(AbstractController.java:62) > at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:32) > at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:34) > at > > org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:176) > at > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > at > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:679) > > 2011-11-25 12:42:06 TThreadPoolServer [ERROR] Error occurred during > processing of message. > java.lang.NullPointerException > at > > gate.creole.annotdelete.AnnotationDeletePR.execute(AnnotationDeletePR.java:162) > at gate.util.Benchmark.executeWithBenchmarking(Benchmark.java:299) > at gate.creole.SerialController.runComponent(SerialController.java:222) > at gate.creole.SerialController.executeImpl(SerialController.java:153) > at > > gate.creole.SerialAnalyserController.executeImpl(SerialAnalyserController.java:118) > at gate.creole.AbstractController.execute(AbstractController.java:62) > at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:32) > at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:34) > at > > org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:176) > at > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > at > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:679) > > > Thank You, > > > -- > > > *Sreejith.S* > http://srijiths.wordpress.com/ > * *http://sreejiths.emurse.com/ > > tweet2sree@twitter <http://tweet2Sree> >
