Mysql Sql Error 0 Sqlstate 08s01
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Sqlstate 08s01 Communication Link Failure
Meta Discuss the workings and policies of this site About Us Learn more about sql state = 08s01 error code = 0 Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask mysql 08s01 Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up WARN SqlExceptionHelper:143 - SQL Error: 0, SQLState: 08S01- SqlExceptionHelper:144 - Communications link failure up vote
Sql Error 0 Sqlstate Null Jboss
5 down vote favorite 2 I have problem with Hibernate (hibernate-core-4.1.9.Final.jar) When i testing hibernate in for loop all working fine: for(int i=0;i<1500;i++){ UserDAO.getInstance.getById(1); } When i add Thread.sleep() in for loop for(int i=0;i<1500;i++){ UserDAO.getInstance.getById(1); Thread.sleep(60000); } After 1 minute i get exception : 00:20:06,447 WARN SqlExceptionHelper:143 - SQL Error: 0, SQLState: 08S01 00:20:06,448 ERROR SqlExceptionHelper:144 - Communications link failure The last packet successfully received from the server was 120,017 milliseconds ago. The last packet sent successfully to the server was 9 milliseconds ago. Exception in thread "main" org.hibernate.exception.JDBCConnectionException: Communications link failure The last packet successfully received from the server was 120,017 milliseconds ago. The last packet sent successfully to the server was 9 milliseconds ago. at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:131) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110) at org.hibernate.engine.jdbc.internal.proxy.AbstractStatementProxyHandler.continueInvocation(AbstractStatementProxyHandler.java:129) at org.hibernate.engine.jdbc.internal.proxy.AbstractProxyHandler.invoke(AbstractProxyHandler.java:81) at sun.proxy.$Proxy11.executeQuery(Unknown Source) at org.hibernate.loader.Loader.getResultSet(Loader.java:2031) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1832) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1811) at org.hibernate.loader.Loader.doQuery(Loader.ja
here for a quick overview of the site Help Center Detailed answers to any questions you might have sql state 08s01 native error 0 Meta Discuss the workings and policies of this site About Us dsra0010e: sql state = 08s01, error code = 0 Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with
Sql Error 0 Sqlstate Null Hibernate
us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just http://stackoverflow.com/questions/15752667/warn-sqlexceptionhelper143-sql-error-0-sqlstate-08s01-sqlexceptionhelper like you, helping each other. Join them; it only takes a minute: Sign up Spring, MySQL and Hibernate: Database error if the system is not used within 8 hours up vote 4 down vote favorite 1 I am working on a Spring, MySQL and Hibernate project and If the project is not used within 8 hours I http://stackoverflow.com/questions/12299751/spring-mysql-and-hibernate-database-error-if-the-system-is-not-used-within-8-h get the following error. Can someone please tell me why. It looks like if I reboot the server everything works great until night time or if no one is using the system mid day for a few hours. can someone please help me out I just found this issue in a few of my projects so I must be making the same mistake in a number of projects.. please help Here is a example of my java code am I missing something: public void saveVisit(VisitModel visit) throws Exception { LOGGER.debug("[" + visit.toString() + "]"); sessionFactory.getCurrentSession().saveOrUpdate(visit); } @SuppressWarnings("unchecked") public School_lookupModel getSchoolInformation(String schoolCode) { return (School_lookupModel) sessionFactory.getCurrentSession() .createCriteria(School_lookupModel.class) .add( Restrictions.like("school", schoolCode)) .uniqueResult(); } Here is the console output of the errors: 2012-09-06 08:00:07,088 [http-8080-2] WARN org.hibernate.util.JDBCExceptionReporter - SQL Error: 0, SQLState: 08S01 2012-09-06 08:00:07,088 [http-8080-2] ERROR org.hibernate.util.JDBCExceptionReporter - 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.jav
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