SQLException: Already closed.
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Key: DBCP-329
URL: https://issues.apache.org/jira/browse/DBCP-329
Project: Commons Dbcp
Issue Type: Bug
Affects Versions: 1.4
Environment: MySQL
Reporter: Hontvari Jozsef
After upgrading to 1.4 I see such exceptions logged:
java.sql.SQLException: Already closed.
at
org.apache.commons.dbcp.PoolableConnection.close(PoolableConnection.java:114)
at
org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.close(PoolingDataSource.java:191)
...
This should never happen. According to the Connection.close() javadoc:
"Calling the method close on a Connection object that is already closed is a
no-op."
Moreover, I am pretty sure that our code does not close the connection twice.
But because the close() is called in a finally block, it is possible that this
exception hides another exception. Unfortunately I cannot reproduce it, even
though it occurs regularly.
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