Stuck in Infinite Loop at Chunk.tail() with High CPU Consumption (Doc ID 2281213.1)

Last updated on AUGUST 16, 2022

Applies to:

Symptoms

Under high load, Weblogic is stuck in an infinite loop at Chunk.tail() with High CPU Consumption with the following stack trace:

This rare issue happens satisfying all the following conditions:

• AsyncResponseHandler is used to receive outbound HTTP response asynchronously from a remote HTTP server.
• -Dhttp.keepAlive=false is set for outbound HTTP request and response.
• High load condition (e.g. 50+ WLS execute threads running simultaneously)
• Enough WLS execute threads in a thread pool (e.g. increasing self-tuning-thread-pool-size-min)

Cause

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