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Support Article

PRPC fails to start with "Connection has already been closed"

SA-6349

Summary



Using Tomcat 7, when trying to start the PRPC application, the server startup fails.

Error Messages



java.sql.SQLException: Connection has already been closed.
at org.apache.tomcat.jdbc.pool.ProxyConnection.invoke(ProxyConnection.java:117) 



Steps to Reproduce



Not applicable


Root Cause



The root cause of this problem is the database performance issue causing the tomcat connection pool abandons certain seemingly idle connections.



Resolution



Address the database performance with tje DBA (in this case recycling the database server) and adjust the 
removeAbandonedTimeout value in the PegaRULES datasource definition to a higher value (e.g., from the current 300 seconds to 600 seconds).

Published January 31, 2016 - Updated October 8, 2020

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