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Error while login into account.

 
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I am getting this following message when i am trying to login to forum. It was working fine so far.


An error has occurred.

For detailed error information, please see the HTML source code, and contact the forum Administrator.

com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: 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:1913)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2304)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2803)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1573)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665)
at com.mysql.jdbc.Connection.execSQL(Connection.java:3124)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1149)
at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1262)
at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76)
at net.jforum.dao.generic.GenericUserSessionDAO.selectById(GenericUserSessionDAO.java:134)
at net.jforum.view.forum.UserAction.validateLogin(UserAction.java:457)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at net.jforum.Command.process(Command.java:114)
at net.jforum.JForum.processCommand(JForum.java:217)
at net.jforum.JForum.service(JForum.java:200)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at net.jforum.util.legacy.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:59)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703)
at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Thread.java:595)


** END NESTED EXCEPTION **



Last packet sent to the server was 6 ms ago.

Query being executed when exception was thrown:

SELECT session_time, session_start, session_id FROM jforum_sessions WHERE session_user_id = 2

[originally posted on jforum.net by vijay_kr]
 
Migrated From Jforum.net
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Which mysql version? This usually happens because a bad combination of server version and connector/j version.

Rafael
[originally posted on jforum.net by Rafael Steil]
 
Migrated From Jforum.net
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Tomcat 5.5 (Java web server)
Version: 5.5.26-1.gdg
tomcat 5.5.26-1jpp.2.fc7

MySql (database server)
Server version: 5.0.45-6.fc7
Client version: 5.0.45-6.fc7

There is another application working fine on same server. Even I am able to see the forum but it through exceptions only when I try to login into any account.
[originally posted on jforum.net by vijay_kr]
 
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Please help me on this. I am not able to login at all.
[originally posted on jforum.net by vijay_kr]
 
Consider Paul's rocket mass heater.
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