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JCAPS LogicalHost Stopped Processing Messages With Severe JMSJCA-E034 Error In Allocating A Connection. Cause: Wait Time (30000 ms) For Obtaining A Connection Has Been Exceeded. (Max-pool-size= 32; Total Connections = 32; Free Connections = 0) (Doc ID 2397889.1)

Last updated on JANUARY 29, 2020

Applies to:

Oracle Java CAPS - Version 5.1.3 and later
Information in this document applies to any platform.


One of the Java CAPS 5.1.3u4 LogicalHosts (LH) stopped responding with no warning.

The only way to fix this was to stop it, (the ./ script wouldn't stop the domain, so it was necessary to kill the processes), and start it again.

Subsequent investigation of the server.log indicated the LH Integration Server (IS) lost connection with the JMS, and the following error was seen:




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