Support Article
Unable to connect to PRPC after upgrade
SA-28862
Summary
After running the upgrade scripts (Upgrading from PRPC 5.5 to PRPC 6.3 sp1), user is not able to connect to PRPC.
When user tries to connect to the developer portal, even the log-in screen is not displayed.
Error Messages
java.lang.NoClassDefFoundError: com/pega/pegarules/session/internal/engineinterface/etier/engine/PRDiagnosticStream
at com.pega.pegarules.session.internal.engineinterface.service.HttpAPI.invoke(HttpAPI.java:753)
at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl._invokeEngine_privact(EngineImpl.java:312)
at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl$4.run(EngineImpl.java:268)
Steps to Reproduce
Not Applicable
Root Cause
Issue has arised as restrictions were imposed using Java2 Security.
Resolution
Issue can be resolved by making any of the following changes
1. Set the downgrade-untrusted-principal to false.
2. Enable "Cross Domain Security Between WebLogic Server Domains".
3. Enable "global trust between domains".
Published October 24, 2016 - Updated October 8, 2020
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