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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 15, 2018 by Lynn_Williams



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


any feedback is welcome,


Pat O'Connor