WebLogic Reports Blocked Threads on Log4j Code at org.apache.log4j.spi.RootLogger
(Doc ID 2217411.1)
Last updated on SEPTEMBER 10, 2020
Applies to:Oracle WebLogic Server - Version 10.3 and later
Information in this document applies to any platform.
When using Apache Log4J in WebLogic Server, intermittently you might see threads might go into BLOCKED state. This caused server instance to show STUCK threads and performance impact.
Thread dump captured at time of issue will look like below:
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