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Support Article

Method invocation exceptions after Pega 7.3 update

SA-42786

Summary



Upgraded from Pega 7.1.6 to Pega 7.3 on Weblogic 10.3.6, and now seeing method invocation exceptions after server and Pega engine start up.


Error Messages



2017-08-21 09:48:25,565 [fault (self-tuning)'] [ STANDARD] [ ] [ ] ( web.impl.WebStandardImpl) ERROR - Exception during processing of http request
javax.ejb.EJBException: EJB Exception: : java.lang.RuntimeException: Problem during method invocation (invokeEngine)
at com.pega.pegarules.boot.internal.extbridge.AppServerBridgeToPega.invokeMethodPropagatingException(Ap
...
Caused by: java.lang.NoClassDefFoundError: javax/servlet/AsyncContext
at com.pega.pegarules.session.internal.serverpush.atmosphere.AtmospherePushEngine.handleRequestHook(AtmospherePushEngine.java:307)
at com.pega.pegarules.session.internal.serverpush.AbstractPushEngine.handleRequest(AbstractPushEngine.java:247)
at com.pega.pegarules.session.internal.engineinterface.service.AsyncRequestAPI.processRequest(AsyncRequestAPI.java:57)
at com.pega.pegarules.session.internal.engineinterface.service.AsyncRequestAPI.invoke(AsyncRequestAPI.java:34)
at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl._invokeEngine_privact(EngineImpl.java:331)
at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl.invokeEngine(EngineImpl.java:274)
at com.pega.pegarules.session.internal.engineinterface.etier.ejb.EngineBean.invokeEngine(EngineBean.java:225)
at sun.reflect.GeneratedMethodAccessor191.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethod(PRBootstrap.java:370)
at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethodPropagatingThrowable(PRBootstrap.java:411)
at com.pega.pegarules.boot.internal.extbridge.AppServerBridgeToPega.invokeMethodPropagatingThrowable(AppServerBridgeToPega.java:224)
at com.pega.pegarules.boot.internal.extbridge.AppServerBridgeToPega.invokeMethodPropagatingException(AppServerBridgeToPega.java:246)
... 52 more
Caused by: java.lang.ClassNotFoundException: javax.servlet.AsyncContext
at com.pega.pegarules.bootstrap.loader.PRAppLoader.loadClass(PRAppLoader.java:803)
at com.pega.pegarules.bootstrap.loader.PRAppLoader.loadClass(PRAppLoader.java:640)


Steps to Reproduce

  1. Update PegaRULES database to Pega 7.3.
  2. Deploy prpc_wls_jee4 from archives folder of media on Weblogic 10.3.6.
  3. Start the JVM.

Root Cause



A defect or configuration issue in the operating environment. WebLogic Server version 10.3.6.0 is not supported for Pega 7.3
Reference: https://pdn.pega.com/documents/platform-support-guide


Resolution



Make the following change to the operating environment:

Upgrade Weblogic application server to server 12c, preferably 12.2.1 (using Oracle Java 8).
Suggest Edit

Published November 3, 2017 - Updated October 8, 2020

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