155 Java Pool

Java Pool store the session specific code within JVM .

How to check the Java Pool size?

show parameter java_pool

select * from v$sgastat where pool='java pool';

How to change the Java Pool size

alter system set java_pool_size=8M;

java_max_sessionspace_space

Max memory for a java session can use. once it exceed this amount, the application would be aboard.

java_soft_sessionspace_limit.

Similar to the  java_max_sessionspace_space but the application would be aboard but only log into the trace file,

v$java_pool_advice

select * v$java_pool_advice;

Reference

http://docs.oracle.com/cd/E25054_01/server.1111/e25789/memory.htm