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The following error occurred:
javax.servlet.ServletException: 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:1842) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2288) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2788) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1531) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1622) at com.mysql.jdbc.Connection.execSQL(Connection.java:2379) at com.mysql.jdbc.Connection.execSQL(Connection.java:2306) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1192) at gov.noaa.pmel.tmap.db.DbaseObject.doDeserializeAggregate(DbaseObject.java:255) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:332) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:353) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:341) at gov.noaa.pmel.tmap.db.Config.getConfigs(Config.java:91) at gov.noaa.pmel.tmap.DatasetItem.getItems(DatasetItem.java:83) at gov.noaa.pmel.tmap.DatasetItem.getItems(DatasetItem.java:25) at gov.noaa.pmel.tmap.SessionFilter.initDefaultContexts(SessionFilter.java:128) at gov.noaa.pmel.tmap.SessionFilter.checkSession(SessionFilter.java:476) at gov.noaa.pmel.tmap.SessionFilter.doFilter(SessionFilter.java:505) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at gov.noaa.pmel.tmap.ExceptionFilter.doFilter(ExceptionFilter.java:24) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:595) ** END NESTED EXCEPTION ** at gov.noaa.pmel.tmap.SessionFilter.initDefaultContexts(SessionFilter.java:339) at gov.noaa.pmel.tmap.SessionFilter.checkSession(SessionFilter.java:476) at gov.noaa.pmel.tmap.SessionFilter.doFilter(SessionFilter.java:505) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at gov.noaa.pmel.tmap.ExceptionFilter.doFilter(ExceptionFilter.java:24) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:595) Root cause of servlet exception was: com.mysql.jdbc.CommunicationsException: 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:1842) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2288) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2788) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1531) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1622) at com.mysql.jdbc.Connection.execSQL(Connection.java:2379) at com.mysql.jdbc.Connection.execSQL(Connection.java:2306) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1192) at gov.noaa.pmel.tmap.db.DbaseObject.doDeserializeAggregate(DbaseObject.java:255) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:332) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:353) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:341) at gov.noaa.pmel.tmap.db.Config.getConfigs(Config.java:91) at gov.noaa.pmel.tmap.DatasetItem.getItems(DatasetItem.java:83) at gov.noaa.pmel.tmap.DatasetItem.getItems(DatasetItem.java:25) at gov.noaa.pmel.tmap.SessionFilter.initDefaultContexts(SessionFilter.java:128) at gov.noaa.pmel.tmap.SessionFilter.checkSession(SessionFilter.java:476) at gov.noaa.pmel.tmap.SessionFilter.doFilter(SessionFilter.java:505) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at gov.noaa.pmel.tmap.ExceptionFilter.doFilter(ExceptionFilter.java:24) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:595) ** END NESTED EXCEPTION ** at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2500) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2788) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1531) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1622) at com.mysql.jdbc.Connection.execSQL(Connection.java:2379) at com.mysql.jdbc.Connection.execSQL(Connection.java:2306) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1192) at gov.noaa.pmel.tmap.db.DbaseObject.doDeserializeAggregate(DbaseObject.java:255) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:332) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:353) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:341) at gov.noaa.pmel.tmap.db.Config.getConfigs(Config.java:91) at gov.noaa.pmel.tmap.DatasetItem.getItems(DatasetItem.java:83) at gov.noaa.pmel.tmap.DatasetItem.getItems(DatasetItem.java:25) at gov.noaa.pmel.tmap.SessionFilter.initDefaultContexts(SessionFilter.java:128) at gov.noaa.pmel.tmap.SessionFilter.checkSession(SessionFilter.java:476) at gov.noaa.pmel.tmap.SessionFilter.doFilter(SessionFilter.java:505) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at gov.noaa.pmel.tmap.ExceptionFilter.doFilter(ExceptionFilter.java:24) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:595) com.mysql.jdbc.CommunicationsException: 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:1842) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2288) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2788) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1531) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1622) at com.mysql.jdbc.Connection.execSQL(Connection.java:2379) at com.mysql.jdbc.Connection.execSQL(Connection.java:2306) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1192) at gov.noaa.pmel.tmap.db.DbaseObject.doDeserializeAggregate(DbaseObject.java:255) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:332) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:353) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:341) at gov.noaa.pmel.tmap.db.Config.getConfigs(Config.java:91) at gov.noaa.pmel.tmap.DatasetItem.getItems(DatasetItem.java:83) at gov.noaa.pmel.tmap.DatasetItem.getItems(DatasetItem.java:25) at gov.noaa.pmel.tmap.SessionFilter.initDefaultContexts(SessionFilter.java:128) at gov.noaa.pmel.tmap.SessionFilter.checkSession(SessionFilter.java:476) at gov.noaa.pmel.tmap.SessionFilter.doFilter(SessionFilter.java:505) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at gov.noaa.pmel.tmap.ExceptionFilter.doFilter(ExceptionFilter.java:24) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:595) ** END NESTED EXCEPTION ** at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2500) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2788) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1531) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1622) at com.mysql.jdbc.Connection.execSQL(Connection.java:2379) at com.mysql.jdbc.Connection.execSQL(Connection.java:2306) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1192) at gov.noaa.pmel.tmap.db.DbaseObject.doDeserializeAggregate(DbaseObject.java:255) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:332) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:353) at gov.noaa.pmel.tmap.db.DbaseObject.deserializeAggregate(DbaseObject.java:341) at gov.noaa.pmel.tmap.db.Config.getConfigs(Config.java:91) at gov.noaa.pmel.tmap.DatasetItem.getItems(DatasetItem.java:83) at gov.noaa.pmel.tmap.DatasetItem.getItems(DatasetItem.java:25) at gov.noaa.pmel.tmap.SessionFilter.initDefaultContexts(SessionFilter.java:128) at gov.noaa.pmel.tmap.SessionFilter.checkSession(SessionFilter.java:476) at gov.noaa.pmel.tmap.SessionFilter.doFilter(SessionFilter.java:505) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at gov.noaa.pmel.tmap.ExceptionFilter.doFilter(ExceptionFilter.java:24) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:595)