RMI Connections Left in an Object-Wait State Cause Threads to Increase
(Doc ID 1274526.1)
Last updated on MARCH 02, 2019
Applies to:Oracle Containers for J2EE - Version 10.1.3.3.0 to 10.1.3.5.0 [Release AS10gR3]
Information in this document applies to any platform.
Several EJB components are used to modularize application logic. These EJB components are deployed within their own EAR file on an oracle application server 10.1.3.4 and are accessed via JNDI through a Java InitialContext.
Once going live with the system, a sharp increase in the number of threads created by OC4J is noticed during the use of the application. This number seems to climb constantly during processing. After a lot of tracing, the cause was isolated as RMI Connections left in an object-wait state. Using a sample (blank) EJBs and a web client to call them, it was determined that every JNDI request for an EJB object created one of these RMI connection threads that are not closed and released back to the operating system.
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