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java.security.AccessController.doPrivileged(Native Method)

 
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Hello Everyone,

I experiencing a database connection problem. I have tested my application locally and it worked fine but when I published it on the host server I keep getting the error code below :-

<!-- BEGIN ERROR STACK TRACE <br /> net.jforum.exceptions.DatabaseException: com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Communications link failure due to underlying exception: <br /> <br /> ** BEGIN NESTED EXCEPTION ** <br /> <br /> java.net.SocketException <br /> MESSAGE: Broken pipe <br /> <br /> STACKTRACE: <br /> <br /> java.net.SocketException: Broken pipe <br /> at java.net.SocketOutputStream.socketWrite0(Native Method) <br /> at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92) <br /> at java.net.SocketOutputStream.write(SocketOutputStream.java:136) <br /> at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65) <br /> at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123) <br /> at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2637) <br /> at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1554) <br /> at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665) <br /> at com.mysql.jdbc.Connection.execSQL(Connection.java:3124) <br /> at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1149) <br /> at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1262) <br /> at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76) <br /> at net.jforum.dao.generic.GenericUserDAO.selectById(GenericUserDAO.java:136) <br /> at net.jforum.repository.SecurityRepository.load(SecurityRepository.java:94) <br /> at net.jforum.repository.SecurityRepository.load(SecurityRepository.java:112) <br /> at net.jforum.JForum.service(JForum.java:163) <br /> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) <br /> at sun.reflect.GeneratedMethodAccessor1594.invoke(Unknown Source) <br /> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) <br /> at java.lang.reflect.Method.invoke(Method.java:597) <br /> at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244) <br /> at java.security.AccessController.doPrivileged(Native Method) <br /> at javax.security.auth.Subject.doAsPrivileged(Subject.java:517) <br /> at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276) <br /> at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162) <br /> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:283) <br /> at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56) <br /> at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189) <br /> at java.security.AccessController.doPrivileged(Native Method) <br /> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185) <br /> at net.jforum.util.legacy.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:59) <br /> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) <br /> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) <br /> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) <br /> at java.lang.reflect.Method.invoke(Method.java:597) <br /> at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244) <br /> at java.security.AccessController.doPrivileged(Native Method) <br /> at javax.security.auth.Subject.doAsPrivileged(Subject.java:517) <br /> at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276) <br /> at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:218) <br /> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) <br /> at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56) <br /> at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189) <br /> at java.security.AccessController.doPrivileged(Native Method) <br /> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185) <br /> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) <br /> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) <br /> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) <br /> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) <br /> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) <br /> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) <br /> at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190) <br /> at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283) <br /> at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767) <br /> at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697) <br /> at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889) <br /> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690) <br /> at java.lang.Thread.run(Thread.java:619) <br /> <br /> <br /> ** END NESTED EXCEPTION ** <br /> <br /> <br /> <br /> Last packet sent to the server was 1 ms ago. <br /> <br /> Query being executed when exception was thrown: <br /> <br /> SELECT COUNT(pm.privmsgs_to_userid) AS private_messages, u.* FROM jforum_users u LEFT JOIN jforum_privmsgs pm ON pm.privmsgs_type = 1 AND pm.privmsgs_to_userid = u.user_id WHERE u.user_id = 1 GROUP BY pm.privmsgs_to_userid <br /> at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2652) <br /> at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1554) <br /> at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665) <br /> at com.mysql.jdbc.Connection.execSQL(Connection.java:3124) <br /> at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1149) <br /> at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1262) <br /> at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76) <br /> at net.jforum.dao.generic.GenericUserDAO.selectById(GenericUserDAO.java:136) <br /> at net.jforum.repository.SecurityRepository.load(SecurityRepository.java:94) <br /> at net.jforum.repository.SecurityRepository.load(SecurityRepository.java:112) <br /> at net.jforum.JForum.service(JForum.java:163) <br /> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) <br /> at sun.reflect.GeneratedMethodAccessor1594.invoke(Unknown Source) <br /> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) <br /> at java.lang.reflect.Method.invoke(Method.java:597) <br /> at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244) <br /> at java.security.AccessController.doPrivileged(Native Method) <br /> at javax.security.auth.Subject.doAsPrivileged(Subject.java:517) <br /> at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276) <br /> at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162) <br /> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:283) <br /> at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56) <br /> at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189) <br /> at java.security.AccessController.doPrivileged(Native Method) <br /> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185) <br /> at net.jforum.util.legacy.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:59) <br /> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) <br /> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) <br /> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) <br /> at java.lang.reflect.Method.invoke(Method.java:597) <br /> at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244) <br /> at java.security.AccessController.doPrivileged(Native Method) <br /> at javax.security.auth.Subject.doAsPrivileged(Subject.java:517) <br /> at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276) <br /> at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:218) <br /> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) <br /> at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56) <br /> at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189) <br /> at java.security.AccessController.doPrivileged(Native Method) <br /> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185) <br /> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) <br /> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) <br /> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) <br /> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) <br /> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) <br /> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) <br /> at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190) <br /> at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283) <br /> at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767) <br /> at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697) <br /> at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889) <br /> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690) <br /> at java.lang.Thread.run(Thread.java:619) <br /> Caused by: com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Communications link failure due to underlying exception: <br /> <br /> <br /> <br /> ** END NESTED EXCEPTION ** <br /> <br /> <br /> <br /> Last packet sent to the server was 1 ms ago. <br /> <br /> Query being executed when exception was thrown: <br /> <br /> SELECT COUNT(pm.privmsgs_to_userid) AS private_messages, u.* FROM jforum_users u LEFT JOIN jforum_privmsgs pm ON pm.privmsgs_type = 1 AND pm.privmsgs_to_userid = u.user_id WHERE u.user_id = 1 GROUP BY pm.privmsgs_to_userid <br /> ... 53 more <br /> <br /> URL is: /jforum/forums/list.page?null <br /> END ERROR STACK TRACE-->

<html>
<head>
<title>Error</title>
</head>
<body>

An error has occurred.

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

<pre class="pre-error">com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Communications link failure due to underlying exception:


** END NESTED EXCEPTION **



Last packet sent to the server was 1 ms ago.

Query being executed when exception was thrown:

SELECT COUNT(pm.privmsgs_to_userid) AS private_messages, u.* FROM jforum_users u LEFT JOIN jforum_privmsgs pm ON pm.privmsgs_type = 1 AND pm.privmsgs_to_userid = u.user_id WHERE u.user_id = 1 GROUP BY pm.privmsgs_to_userid
</pre>
</body>
</html>

Please help.

Thanks


[originally posted on jforum.net by Ali Jamac]
 
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