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https://issues.apache.org/jira/browse/EAGLE-41?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15125436#comment-15125436
]
Hao Chen commented on EAGLE-41:
-------------------------------
Sent pull request for siddhi community: https://github.com/wso2/siddhi/pull/120
> Eagle policy engine supports customizable ExceptionHandler instead of using
> FetalExceptionHandler
> -------------------------------------------------------------------------------------------------
>
> Key: EAGLE-41
> URL: https://issues.apache.org/jira/browse/EAGLE-41
> Project: Eagle
> Issue Type: Bug
> Affects Versions: 0.3.0
> Reporter: Hao Chen
> Assignee: Hao Chen
> Fix For: 0.3.0
>
>
> Currently Eagle Siddhi CEP engine bolt will always crash once caught with any
> bad message:
> {code:title=Error
> logs|theme=FadeToGrey|linenumbers=true|language=java|firstline=0001|collapse=true}
> 2015-11-17 01:42:31 b.s.d.executor [INFO] Prepared bolt
> metricStreamExecutor_0:(8)
> 2015-11-17 01:42:55 STDIO [ERROR] Nov 17, 2015 1:42:55 AM
> com.lmax.disruptor.FatalExceptionHandler handleEventException
> SEVERE: Exception processing: 1 IndexedEvent{streamIndex=0,
> event=Event{timestamp=1447749775529,
> data=[eagle.alert.siddhi.EagleAlertContext@2ce1e618, NA,
> devdbx-003-12315.phx-os1.stratus.dev.ebay.com, freeSpace, shared,
> 1547664650590, 10], isExpired=false}}
> java.lang.ClassCastException: java.lang.String cannot be cast to
> java.lang.Double
> at
> org.wso2.siddhi.core.executor.condition.compare.less_than.LessThanCompareConditionExpressionExecutorDoubleInt.execute(LessThanCompareConditionExpressionExecutorDoubleInt.java:31)
> at
> org.wso2.siddhi.core.executor.condition.compare.CompareConditionExpressionExecutor.execute(CompareConditionExpressionExecutor.java:38)
> at
> org.wso2.siddhi.core.executor.condition.compare.CompareConditionExpressionExecutor.execute(CompareConditionExpressionExecutor.java:23)
> at
> org.wso2.siddhi.core.executor.condition.AndConditionExpressionExecutor.execute(AndConditionExpressionExecutor.java:53)
> at
> org.wso2.siddhi.core.executor.condition.AndConditionExpressionExecutor.execute(AndConditionExpressionExecutor.java:24)
> at
> org.wso2.siddhi.core.query.processor.filter.FilterProcessor.process(FilterProcessor.java:49)
> at
> org.wso2.siddhi.core.query.input.ProcessStreamReceiver.processAndClear(ProcessStreamReceiver.java:93)
> at
> org.wso2.siddhi.core.query.input.ProcessStreamReceiver.receive(ProcessStreamReceiver.java:65)
> at
> org.wso2.siddhi.core.stream.StreamJunction.sendEvent(StreamJunction.java:114)
> at
> org.wso2.siddhi.core.stream.StreamJunction$Publisher.send(StreamJunction.java:280)
> at
> org.wso2.siddhi.core.stream.input.InputDistributor.send(InputDistributor.java:32)
> at
> org.wso2.siddhi.core.stream.input.SingleThreadEntryValve.send(SingleThreadEntryValve.java:46)
> at
> org.wso2.siddhi.core.stream.input.SingleStreamEntryValve$SingleEntryValveHandler.sendEvents(SingleStreamEntryValve.java:152)
> at
> org.wso2.siddhi.core.stream.input.SingleStreamEntryValve$SingleEntryValveHandler.onEvent(SingleStreamEntryValve.java:140)
> at
> org.wso2.siddhi.core.stream.input.SingleStreamEntryValve$SingleEntryValveHandler.onEvent(SingleStreamEntryValve.java:110)
> at
> com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:113)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> 2015-11-17 01:42:55 o.a.s.z.s.NIOServerCnxnFactory [ERROR] Thread
> Thread[Siddhi-cc2b5e49-00d8-43ea-bac6-c25d9b7e9332-executor-thread-0,5,main]
> died
> java.lang.RuntimeException: java.lang.ClassCastException: java.lang.String
> cannot be cast to java.lang.Double
> at
> com.lmax.disruptor.FatalExceptionHandler.handleEventException(FatalExceptionHandler.java:45)
> ~[disruptor-2.10.1.jar:na]
> at
> com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:128)
> ~[disruptor-2.10.1.jar:na]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> ~[na:1.7.0_60]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> ~[na:1.7.0_60]
> at java.lang.Thread.run(Thread.java:745) ~[na:1.7.0_60]
> Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to
> java.lang.Double
> at
> org.wso2.siddhi.core.executor.condition.compare.less_than.LessThanCompareConditionExpressionExecutorDoubleInt.execute(LessThanCompareConditionExpressionExecutorDoubleInt.java:31)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.executor.condition.compare.CompareConditionExpressionExecutor.execute(CompareConditionExpressionExecutor.java:38)
> ~[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]
> at
> org.wso2.siddhi.core.stream.StreamJunction$Publisher.send(StreamJunction.java:280)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.stream.input.InputDistributor.send(InputDistributor.java:32)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.stream.input.SingleThreadEntryValve.send(SingleThreadEntryValve.java:46)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.stream.input.SingleStreamEntryValve$SingleEntryValveHandler.sendEvents(SingleStreamEntryValve.java:152)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.stream.input.SingleStreamEntryValve$SingleEntryValveHandler.onEvent(SingleStreamEntryValve.java:140)
> ~[stormjar.jar:na]
> at
> org.wso2.siddhi.core.stream.input.SingleStreamEntryValve$SingleEntryValveHandler.onEvent(SingleStreamEntryValve.java:110)
> ~[stormjar.jar:na]
> at
> com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:113)
> ~[disruptor-2.10.1.jar:na]
> ... 3 common frames omitted
> {code}
> To fix the problem, we should support to customize ExceptionHandler for
> Siddhi CEP engine before starting the Disruptor threads.
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