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EBS 12.2.9 (oacore_server1) hungs with overload "ResourceLimitException pool EBSDataSource"

edited Jan 21, 2022 7:17PM in Technology Stack - EBS (MOSC) 3 commentsAnswered ✓

We upgraded recently to 12.2.9 EBS.

1 Apps Tier node, we intially had 1 oacore_server1 and increased Xms 1024M, Xmx2048M.

Monday 4/26/2021, again it hung and found oacore_server1 "overload" so we added on same server 2nd oacore_server2.

Wednesday 4/28/2021 again, hung and found oacore_server1 "overload" message have to bounce that.

oacore_server2 was good. no issues.

What is your recommendation to mitigate the issues?

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Attached is a screenshot and oacore log files.

####<Apr 28, 2021 10:35:02 PM EDT> <Error> <ServletContext-/OA_HTML> <psm-ebsapp-prd1.sigarms.local> <oacore_server1> <pool-4-thread-3> <<anonymous>> <> <005kEWvYbt^ComWptw9DiX0004kc0007xi> <1619663702879> <BEA-000000> <oracle.apps.fnd.login.LoginHelper.getConnection

weblogic.jdbc.extensions.PoolLimitSQLException: weblogic.common.resourcepool.ResourceLimitException: No resources currently available in pool EBSDataSource to allocate to applications, please increase the size of the pool and retry..

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