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https://issues.apache.org/jira/browse/SYNAPSE-933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13685097#comment-13685097
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jeewantha dharmaparakrama commented on SYNAPSE-933:
---------------------------------------------------
This exception is thrown when onFault() method in DynamicLoadbalanceEndpoint
tries to remove a fault handler from an empty faultStack in the messageContext.
The fix is attached herewith.
> In Synapse Sample 57, when shutingdown the Axis2 servers one by one, shutting
> down the last server throws an Exception
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: SYNAPSE-933
> URL: https://issues.apache.org/jira/browse/SYNAPSE-933
> Project: Synapse
> Issue Type: Bug
> Components: Core, Endpoints
> Reporter: jeewantha dharmaparakrama
>
> 2013-06-17 13:42:21,030 [-] [HttpClientWorker-18] ERROR NativeWorkerPool
> Uncaught exception
> java.util.EmptyStackException
> at java.util.Stack.peek(Stack.java:85)
> at java.util.Stack.pop(Stack.java:67)
> at
> org.apache.synapse.endpoints.DynamicLoadbalanceEndpoint$DynamicLoadbalanceFaultHandlerImpl.onFault(DynamicLoadbalanceEndpoint.java:465)
> at org.apache.synapse.FaultHandler.handleFault(FaultHandler.java:54)
> at
> org.apache.synapse.endpoints.AbstractEndpoint.invokeNextFaultHandler(AbstractEndpoint.java:565)
> at
> org.apache.synapse.endpoints.AbstractEndpoint.onFault(AbstractEndpoint.java:413)
> at
> org.apache.synapse.endpoints.AddressEndpoint.onFault(AddressEndpoint.java:43)
> at org.apache.synapse.FaultHandler.handleFault(FaultHandler.java:102)
> at
> org.apache.synapse.core.axis2.SynapseCallbackReceiver.handleMessage(SynapseCallbackReceiver.java:223)
> at
> org.apache.synapse.core.axis2.SynapseCallbackReceiver.receive(SynapseCallbackReceiver.java:160)
> at
> org.apache.synapse.transport.nhttp.ClientHandler$1.run(ClientHandler.java:493)
> at
> org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:173)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
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