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https://issues.apache.org/jira/browse/EAGLE-198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15190503#comment-15190503
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Hao Chen commented on EAGLE-198:
--------------------------------
Bad data will trigger this bug: https://github.com/wso2/siddhi/pull/120 and the
fixing patch has been included in v3.0.5
(http://maven.wso2.org/nexus/content/groups/wso2-public/org/wso2/siddhi/siddhi-core/3.0.5/)
while we are still using old v3.0.2. We could fix the reliability problem by
upgrading to v3.0.5
> integrate new Siddhi version so that thread should not die when event
> evaluation fails
> --------------------------------------------------------------------------------------
>
> Key: EAGLE-198
> URL: https://issues.apache.org/jira/browse/EAGLE-198
> Project: Eagle
> Issue Type: Bug
> Reporter: Edward Zhang
>
> Today when Siddhi engine evaluation thread has exception, the whole thread
> will die which cause event processing halted, Siddhi already had fix on that,
> we should integrate it.
> 2016-03-11T01:46:42.455+0000 o.a.s.z.s.NIOServerCnxnFactory [ERROR] Thread
> Thread[Siddhi-2a19447c-c71d-44fe-a6b8-008e62c6d64a-executor-thread-0,5,main]
> died
> java.lang.RuntimeException: java.lang.ClassCastException: java.lang.String
> cannot be cast to java.lang.Double
> at
> com.lmax.disruptor.FatalExceptionHandler.handleEventException(FatalExceptionHandler.java:45)
> ~[disruptor-2.10.1.jar:na]
> at
> com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:128)
> ~[disruptor-2.10.1.jar:na]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> ~[na:1.7.0_79]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> ~[na:1.7.0_79]
> at java.lang.Thread.run(Thread.java:745) ~[na:1.7.0_79]
> Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to
> java.lang.Double
> at
> org.wso2.siddhi.core.executor.function.ConvertFunctionExecutor.execute(ConvertFunctionExecutor.java:104)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.executor.function.FunctionExecutor.execute(FunctionExecutor.java:94)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.executor.condition.compare.CompareConditionExpressionExecutor.execute(CompareConditionExpressionExecutor.java:36)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.executor.condition.compare.CompareConditionExpressionExecutor.execute(CompareConditionExpressionExecutor.java:23)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.executor.condition.AndConditionExpressionExecutor.execute(AndConditionExpressionExecutor.java:53)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.executor.condition.AndConditionExpressionExecutor.execute(AndConditionExpressionExecutor.java:24)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.query.processor.filter.FilterProcessor.process(FilterProcessor.java:49)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.query.input.ProcessStreamReceiver.processAndClear(ProcessStreamReceiver.java:93)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.query.input.ProcessStreamReceiver.receive(ProcessStreamReceiver.java:65)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.stream.StreamJunction.sendEvent(StreamJunction.java:114)
> ~[stormjar.jar:na]
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