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2637596 - Failed to start JMS sender Channel to connect IBM MQ due to ClassFormatError


You want to start the JMS sender channel, however you encounter following error in channel monitor:

A channel error occurred. Detailed error (if any) : java.lang.ClassFormatError: Illegal local variable table length XX in method[Ljava/lang/String;)V<br> at<br> ...

You have deployed the IBM MQ client libraries as note 747601, and you have also deployed Wily Introscope tool which version is below 9.7 in your PI 7.5 system, i.e., in Java 8 environment.

In JVM parameter, there are following two Wily parameters:

-Dcom.wily.introscope.agentProfile=/usr/sap/<SID>/SMDAXX/SMDAgent/applications.config/ /ISAGENT.<SID>_IntroscopeAgent.profile



  • SAP NetWeaver 7.5


SAP NetWeaver 7.5


Class Format Error, Class not found, IBM MQ server,  Process Integration 7.0, PI 7.0, PI 7.01, PI 7.02, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.40, PI 7.40, PO 7.40, Process Orchestration 7.50, PI 7.50, PO 7.50, NetWeaver, XI , KBA , BC-XI-CON-JMS , JMS Adapter , Problem

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