AnsweredAssumed Answered

Wily 9.7 Java Agent with WAS 8.5.5 error msg in log

Question asked by patrickjo44 on Aug 8, 2018
Latest reply on Aug 13, 2018 by patrickjo44

Hello,

 

We have the APM 9.7.16 java agents running on WebSphere 8.5.5 recently, I notice in the agent logfile, numerous error messages of "Unable to redefine class ***, we still have agents running on the WAS 7 and the agents logs have no error messages in them, the 8.5.5 agent is running normally however, not sure on how to rectifiy these INFO/Warn messages.

 

was 8.5.5 agent log shows numerous:

 

8/07/18 03:54:40 PM PDT [INFO] [IntroscopeAgent.BootstrapInstrumentationManager] Initializing Bootstrap Dynamic Instrumentation.
8/07/18 03:54:40 PM PDT [INFO] [IntroscopeAgent.BootstrapInstrumentationManager] Bootstrap Manager will wait 240 seconds to instrument post main
bootstrap classes.
8/07/18 03:54:40 PM PDT [INFO] [IntroscopeAgent.Agent] Using delegate class =com.wily.introscope.api.instrument.AClassRedefinitionDelegate
8/07/18 03:54:40 PM PDT [INFO] [IntroscopeAgent.Agent] Try and add transformer using java5 API
8/07/18 03:54:40 PM PDT [INFO] [IntroscopeAgent.BootstrapInstrumentationManager] Executing Bootstrap Classes Dynamic Instrumentation.
8/07/18 03:54:40 PM PDT [INFO] [IntroscopeAgent.Agent] Redefinition of class javax.xml.parsers.SAXParser failed because of Unsupported Operation
Exception in Java Instrumentation API.
8/07/18 03:54:40 PM PDT [INFO] [IntroscopeAgent.Agent] Unable to redefine class javax.xml.parsers.SAXParser at java instrument API level
8/07/18 03:54:40 PM PDT [WARN] [IntroscopeAgent.BootstrapInstrumentationManager] The Re-definition for class javax.xml.parsers.SAXParser failed.8/07/18 03:54:40 PM PDT [WARN] [IntroscopeAgent.BootstrapInstrumentationManager] The Re-definition for class java.nio.channels.Selector failed.


8/07/18 03:54:40 PM PDT [INFO] [IntroscopeAgent.BootstrapInstrumentationManager] Processed All Bootstrap Classes.
8/07/18 03:54:40 PM PDT [INFO] [IntroscopeAgent.BootstrapInstrumentationManager] Initialized pre-main Bootstrap Dynamic Instrumentation successfu
lly.

 

any feedback is welcome,

thanks,

Pat O'Connor

Outcomes