Garbage Collection on Java Process Shows Error "concurrent mode failure"
(Doc ID 551515.1)
Last updated on FEBRUARY 13, 2024
Applies to:
Oracle Containers for J2EE - Version 10.1.3.1.0 to 10.1.3.5.0 [Release AS10gR3]Information in this document applies to any platform.
Symptoms
Find that an application gets very slow when garbage collection cannot finish in time. It starts retrying and this causes the instance to slow down. Java garbage collection parameters have already been tweaked, and for garbage collection reporting, also "-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps" are set. The logfile / output file of OC4J shows following entry:
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |