Check following:
- Java coding to open connection: whether you are opening connection correctly or not.
- Check if Oracle is running or not.
- If connection pooling is used then make sure that all connections are returned to pool and it should not be closed in Java coding.
Regards,
Gourav
In your mapping are you opening a database connection for lookup? Seems like that connection is not properly being handle in your Java mapping code.
VJ
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