Occasionally I'll see this exception in our logs. I have setup the
pool like so:
GenericObjectPool pool = new GenericObjectPool(null);
pool.setWhenExhaustedAction(GenericObjectPool.WHEN_EXHAUSTED_GROW);
pool.setTestOnBorrow(true);
pool.setTestOnReturn(true);
pool.setTestWhileIdle(true);
Is that not sufficient to have DBCP test a connection before releasing
it from the pool for use?
Thanks,
-M@
-------------------------------------------
java.sql.SQLException: Communication link failure:
java.io.EOFException, underlying cause: null
** BEGIN NESTED EXCEPTION **
java.io.EOFException
STACKTRACE:
java.io.EOFException
at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1395)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1539)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1930)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1168)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1279)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2281)
at
com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:
1634)
at
org
.apache
.commons
.dbcp
.DelegatingPreparedStatement
.executeQuery(DelegatingPreparedStatement.java:93)
...
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