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MQSeries.net Forum IndexWebSphere Message Broker SupportJava Compute Node

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GopiKrishna
PostPosted: Wed Jul 22, 2020 8:55 am Post subject: Java Compute Node Reply with quote

Newbie

Joined: 19 Feb 2020
Posts: 8

Hi All,

I am using Java compute node to log my payload in file using log4j.This was working fine in lower environment after moving to production I am getting this error "'java.lang.NullPointerException at com.investbank.auditlog.FileLoggingService_WriteToLog.evaluate(FileLoggingService_WriteToLog.java:76) at com.ibm.broker.javacompute.MbRuntimeJavaComputeNode.evaluate(MbRuntimeJavaComputeNode.java:364) at com.ibm.broker.plugin.MbNode.evaluate(MbNode.java:1453) ". This error happens when the control reaches the java compute node.Is there any way to debug the java compute node using debugger because the debug point is not going inside the java compute node.


Thanks,
GopiKrishna
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timber
PostPosted: Wed Jul 22, 2020 9:50 am Post subject: Reply with quote

Grand Master

Joined: 25 Aug 2015
Posts: 1127

To debug your Java, attach your Java debugger to the integration server process 'DataflowEngine.exe'. If you are running multiple integration servers then you will see multiple processes with that name so be careful to attach to the correct one (i.e. the one that is executing your JCN).
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