Unable to login to application after Java Agent enabled

Products

• CA Application Performance Management (APM / Wily / Introscope)
• DX Application Performance Management
• DX Operational Observability

Issue/Introduction

In the Websphere log I see an exception when user tries to login

RemoteExcepti E   CNTR0020E: EJB threw an unexpected (non-declared) exception during invocation of method "performService" on bean 
Exception data: java.lang.Error: Error: could not match input

In the Agent log :

[WARN] [IntroscopeAgent.ibm-mq] MQTransactionTracerUtil.createQueObjWithInquireOption(mqObject, queueName)
java.lang.reflect.InvocationTargetException: null
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

Environment

• DX O2 
• DX APM
• Webpshere 9, MQ 9.4

Cause

The issue is related to defect # DE658192 to be fixed in a next Agent version 26 release.

Resolution

• No resolution
• Current workaround: remove ibm-mq extension from Extensions.properties

Additional Information

APM Introscope .Java Agent - Troubleshooting and Best Practices