We are are getting the following error in the mornings after a night time
full of no user activity. I strongly suspect it has to do with stale
connections. Any best practices suggestions on how to handle or configure
this ?:
[lexy] WARN [2007-09-05 07:54:41,047]
JDBCExceptionReporter.logExceptions(77) |
SQL Error: 0, SQLState: 08S01
[lexy] ERROR [2007-09-05 07:54:41,048]
JDBCExceptionReporter.logExceptions(78)
| Communications link failure due to underlying exception:
** BEGIN NESTED EXCEPTION **
java.io.EOFException
STACKTRACE:
java.io.EOFException
at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1963)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2375)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2874)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1623)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1715)
at com.mysql.jdbc.Connection.execSQL(Connection.java:3249)
at
com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1268)
at
com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1403)
at
org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:93)
at
org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:186)
at org.hibernate.loader.Loader.getResultSet(Loader.java:1778)
at org.hibernate.loader.Loader.doQuery(Loader.java:662)
at
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
at org.hibernate.loader.Loader.doList(Loader.java:2211)
at
org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2095)
at org.hibernate.loader.Loader.list(Loader.java:2090)
at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:388)
at
org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)
at
org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
at
org.springframework.orm.hibernate3.HibernateTemplate$29.doInHibernate(HibernateTemplate.java:849)
at
org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:372)
at
org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:840)
at
org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:836)
at
com.lexy.dao.hibernate.CallerDaoHibernate.findByPhoneNumber(CallerDaoHibernate.java:29)
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