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Support Article

SLA Agent entries go to broken-queue on Decision Hub with error

SA-61699

Summary



SLA Agent entries go to the broken-queue on Decision Hub node with an error.


Error Messages



Queue error details in XML of the broken tem:

Trying to save an invalid page: ** ** java.lang.NoClassDefFoundError: com/pega/pegarules/priv/alert/AlertBuildContext$ParameterPageFilterType
Trying to save an invalid page: page is not valid</pxErrorMessage>

Trying to save an invalid page: ** ** java.lang.NoClassDefFoundError: com/pega/pegarules/priv/alert/AlertBuildContext$ParameterPageFilterType
Trying to save an invalid page: page is not valid



Steps to Reproduce



Log in to System Management Application (SMA) and observe the behavior.


Root Cause



A defect or configuration issue in the operating environment. 

The issue is with an extension 'plv8' of Postgres 9.4.17. Error occurs when there are User Defined Functions (UDF’s) used in the SQL statements and Postgres encounters a segmentation fault terminating one of the critical process in the database server. 

Resolution



Make the following change to the operating environment:

Replace Postgres 9.4.1.7 with Postgres 9.4.1.5 or 9.4.18.
Suggest Edit

Published August 24, 2018 - Updated October 8, 2020

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