Oracle Hibernate configuration to resolve connection refused error -

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tried use hibernate oracle , ended connection refused error.
ora -12516

following options tried:

  1. set connection pool
  2. used c3p0 third party setting connection pool.
  3. changed ora settings increase job queue process.

is there better analysis or solution available ?

the issue got resolved after changing job queue process 500. each time app run went 45 , has caused issue.


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