Sunday, July 1, 2012

ADF 2012 : 10th Australian Digital Forensics Conference

Apache Tomcat/6.0.18 - Error report

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception 

javax.servlet.ServletException: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:   ** BEGIN NESTED EXCEPTION **   java.net.SocketException MESSAGE: Broken pipe  STACKTRACE:  java.net.SocketException: Broken pipe 	at java.net.SocketOutputStream.socketWrite0(Native Method) 	at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109) 	at java.net.SocketOutputStream.write(SocketOutputStream.java:153) 	at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) 	at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) 	at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2692) 	at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2621) 	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1552) 	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1666) 	at com.mysql.jdbc.Connection.execSQL(Connection.java:2994) 	at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:936) 	at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1030) 	at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:93) 	at dbio.CFPEventDB.readRecord(Unknown Source) 	at dbio.CFPEventDB.readRecord(Unknown Source) 	at event.showcfp.doGet(Unknown Source) 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845) 	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) 	at java.lang.Thread.run(Thread.java:636)   ** END NESTED EXCEPTION **    Last packet sent to the server was 0 ms ago. 	dbio.CFPEventDB.readRecord(Unknown Source) 	event.showcfp.doGet(Unknown Source) 	javax.servlet.http.HttpServlet.service(HttpServlet.java:617) 	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause 

com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:   ** BEGIN NESTED EXCEPTION **   java.net.SocketException MESSAGE: Broken pipe  STACKTRACE:  java.net.SocketException: Broken pipe 	at java.net.SocketOutputStream.socketWrite0(Native Method) 	at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109) 	at java.net.SocketOutputStream.write(SocketOutputStream.java:153) 	at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) 	at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) 	at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2692) 	at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2621) 	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1552) 	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1666) 	at com.mysql.jdbc.Connection.execSQL(Connection.java:2994) 	at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:936) 	at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1030) 	at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:93) 	at dbio.CFPEventDB.readRecord(Unknown Source) 	at dbio.CFPEventDB.readRecord(Unknown Source) 	at event.showcfp.doGet(Unknown Source) 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845) 	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) 	at java.lang.Thread.run(Thread.java:636)   ** END NESTED EXCEPTION **    Last packet sent to the server was 0 ms ago. 	com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2710) 	com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2621) 	com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1552) 	com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1666) 	com.mysql.jdbc.Connection.execSQL(Connection.java:2994) 	com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:936) 	com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1030) 	org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:93) 	dbio.CFPEventDB.readRecord(Unknown Source) 	dbio.CFPEventDB.readRecord(Unknown Source) 	event.showcfp.doGet(Unknown Source) 	javax.servlet.http.HttpServlet.service(HttpServlet.java:617) 	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.18 logs.

Apache Tomcat/6.0.18

Source: http://www.wikicfp.com/cfp/servlet/event.showcfp?eventid=24462©ownerid=11094

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