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Java Pool Size Is Larger than Specified by Parameter java_pool_size (Doc ID 2036710.1)

Last updated on JULY 01, 2020

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2 to 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.


Despite the JAVA_POOL_SIZE was defined as a fixed value in parameter size this might increase to a much larger value than expected.

The Java Pool was set to 64M while during database startup this was automatically adjusted to 1.7 GB.


Parameter file:



This is seen in since 11.2.0 when Java Pool is required during database startup.


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