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Support Article

Unable to connect to PRPC after upgrade



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(
               at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl._invokeEngine_privact(
               at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl$

Steps to Reproduce

Not Applicable

Root Cause

Issue has arised as restrictions were imposed using Java2 Security.



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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