[CAMEL-5060] camel-bam is not thread safe and throws ConcurrentModificationException

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.0
• Fix Version/s: 2.9.3, 2.10.0
• Component/s: camel-bam
• Estimated Complexity: Unknown
• Assignee: Christian Müller
• Reporter: Christian Müller
• Created: 04/Mar/12 14:15
• Updated: 02/Jun/12 21:00
• Resolved: 02/Jun/12 21:00

Description

camel-bam is not thread safe and throws ConcurrentModificationException:

2012-03-04 14:36:39,528 [d #0 - seda://a] ERROR BamProcessorSupport            - Caught: java.util.ConcurrentModificationException
java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
	at java.util.HashMap$KeyIterator.next(HashMap.java:828)
	at org.apache.camel.bam.model.ProcessInstance.getActivityState(ProcessInstance.java:123)
	at org.apache.camel.bam.TimeExpression.evaluate(TimeExpression.java:55)
	at org.apache.camel.bam.rules.TemporalRule.processExchange(TemporalRule.java:100)
	at org.apache.camel.bam.rules.ActivityRules.processExchange(ActivityRules.java:63)
	at org.apache.camel.bam.rules.ProcessRules.processExchange(ProcessRules.java:44)
	at org.apache.camel.bam.processor.JpaBamProcessor.processEntity(JpaBamProcessor.java:58)
	at org.apache.camel.bam.processor.JpaBamProcessor.processEntity(JpaBamProcessor.java:37)
	at org.apache.camel.bam.processor.BamProcessorSupport$1.doInTransaction(BamProcessorSupport.java:97)
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)
	at org.apache.camel.bam.processor.BamProcessorSupport.process(BamProcessorSupport.java:89)
	at org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:61)
	at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:73)
	at org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:99)
	at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:90)
	at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:73)
	at org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:99)
	at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:90)
	at org.apache.camel.processor.interceptor.TraceInterceptor.process(TraceInterceptor.java:91)
	at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:73)
	at org.apache.camel.processor.RedeliveryErrorHandler.processErrorHandler(RedeliveryErrorHandler.java:333)
	at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:223)
	at org.apache.camel.processor.RouteContextProcessor.processNext(RouteContextProcessor.java:45)
	at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:90)
	at org.apache.camel.processor.interceptor.DefaultChannel.process(DefaultChannel.java:303)
	at org.apache.camel.processor.RouteContextProcessor.processNext(RouteContextProcessor.java:45)
	at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:90)
	at org.apache.camel.processor.UnitOfWorkProcessor.processAsync(UnitOfWorkProcessor.java:150)
	at org.apache.camel.processor.UnitOfWorkProcessor.process(UnitOfWorkProcessor.java:117)
	at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:73)
	at org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:99)
	at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:90)
	at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:71)
	at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:73)
	at org.apache.camel.component.seda.SedaConsumer.sendToConsumers(SedaConsumer.java:261)
	at org.apache.camel.component.seda.SedaConsumer.doRun(SedaConsumer.java:173)
	at org.apache.camel.component.seda.SedaConsumer.run(SedaConsumer.java:132)
	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:680)