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  Internal error.




An internal error was encountered:


Exception: could not load: [org.brainml.modelserver.domain.ModelVersion#786] net.sf.hibernate.JDBCException: could not load: [org.brainml.modelserver.domain.ModelVersion#786] at net.sf.hibernate.persister.EntityPersister.load(EntityPersister.java:422) at net.sf.hibernate.impl.SessionImpl.doLoad(SessionImpl.java:2106) at net.sf.hibernate.impl.SessionImpl.doLoadByClass(SessionImpl.java:1980) at net.sf.hibernate.impl.SessionImpl.load(SessionImpl.java:1909) at org.brainml.modelserver.domain.DataManager_Hib.load(DataManager_Hib.java:96) at org.brainml.modelserver.actions.ViewFilesAction.execute(ViewFilesAction.java:60) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.brainml.server.UTF8Filter.doFilter(UTF8Filter.java:30) 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:214) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:407) 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:825) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:738) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:552) Caused by: com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: No operations allowed after connection closed.Connection was implicitly closed due to underlying exception/error: ** BEGIN NESTED EXCEPTION ** com.mysql.jdbc.CommunicationsException MESSAGE: 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:92) at java.net.SocketOutputStream.write(SocketOutputStream.java:136) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:66) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:124) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2637) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1554) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665) at com.mysql.jdbc.Connection.execSQL(Connection.java:3176) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1153) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1266) at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:92) at net.sf.hibernate.impl.BatcherImpl.getResultSet(BatcherImpl.java:87) at net.sf.hibernate.loader.Loader.getResultSet(Loader.java:800) at net.sf.hibernate.loader.Loader.doQuery(Loader.java:189) at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:133) at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:836) at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:856) at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:59) at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:51) at net.sf.hibernate.persister.EntityPersister.load(EntityPersister.java:419) at net.sf.hibernate.impl.SessionImpl.doLoad(SessionImpl.java:2106) at net.sf.hibernate.impl.SessionImpl.doLoadByClass(SessionImpl.java:1980) at net.sf.hibernate.impl.SessionImpl.load(SessionImpl.java:1909) at org.brainml.modelserver.domain.DataManager_Hib.load(DataManager_Hib.java:96) at org.brainml.modelserver.actions.ViewStructVocabAction.execute(ViewStructVocabAction.java:93) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.brainml.server.UTF8Filter.doFilter(UTF8Filter.java:30) 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:214) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:407) 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:825) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:738) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:552) ** END NESTED EXCEPTION ** Last packet sent to the server was 2 ms ago. STACKTRACE: 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:92) at java.net.SocketOutputStream.write(SocketOutputStream.java:136) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:66) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:124) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2637) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1554) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665) at com.mysql.jdbc.Connection.execSQL(Connection.java:3176) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1153) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1266) at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:92) at net.sf.hibernate.impl.BatcherImpl.getResultSet(BatcherImpl.java:87) at net.sf.hibernate.loader.Loader.getResultSet(Loader.java:800) at net.sf.hibernate.loader.Loader.doQuery(Loader.java:189) at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:133) at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:836) at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:856) at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:59) at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:51) at net.sf.hibernate.persister.EntityPersister.load(EntityPersister.java:419) at net.sf.hibernate.impl.SessionImpl.doLoad(SessionImpl.java:2106) at net.sf.hibernate.impl.SessionImpl.doLoadByClass(SessionImpl.java:1980) at net.sf.hibernate.impl.SessionImpl.load(SessionImpl.java:1909) at org.brainml.modelserver.domain.DataManager_Hib.load(DataManager_Hib.java:96) at org.brainml.modelserver.actions.ViewStructVocabAction.execute(ViewStructVocabAction.java:93) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.brainml.server.UTF8Filter.doFilter(UTF8Filter.java:30) 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:214) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:407) 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:825) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:738) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:552) ** END NESTED EXCEPTION ** Last packet sent to the server was 2 ms ago. at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2652) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1554) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665) at com.mysql.jdbc.Connection.execSQL(Connection.java:3176) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1153) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1266) at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:92) at net.sf.hibernate.impl.BatcherImpl.getResultSet(BatcherImpl.java:87) at net.sf.hibernate.loader.Loader.getResultSet(Loader.java:800) at net.sf.hibernate.loader.Loader.doQuery(Loader.java:189) at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:133) at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:836) at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:856) at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:59) at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:51) at net.sf.hibernate.persister.EntityPersister.load(EntityPersister.java:419) at net.sf.hibernate.impl.SessionImpl.doLoad(SessionImpl.java:2106) at net.sf.hibernate.impl.SessionImpl.doLoadByClass(SessionImpl.java:1980) at net.sf.hibernate.impl.SessionImpl.load(SessionImpl.java:1909) at org.brainml.modelserver.domain.DataManager_Hib.load(DataManager_Hib.java:96) at org.brainml.modelserver.actions.ViewStructVocabAction.execute(ViewStructVocabAction.java:93) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.brainml.server.UTF8Filter.doFilter(UTF8Filter.java:30) 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:214) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:407) 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:825) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:738) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:552) ** END NESTED EXCEPTION ** at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:888) at com.mysql.jdbc.Connection.checkClosed(Connection.java:1909) at com.mysql.jdbc.Connection.prepareStatement(Connection.java:4607) at com.mysql.jdbc.Connection.prepareStatement(Connection.java:4573) at org.apache.tomcat.dbcp.dbcp.DelegatingConnection.prepareStatement(DelegatingConnection.java:185) at org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.prepareStatement(PoolingDataSource.java:278) at net.sf.hibernate.impl.BatcherImpl.getPreparedStatement(BatcherImpl.java:249) at net.sf.hibernate.impl.BatcherImpl.getPreparedStatement(BatcherImpl.java:223) at net.sf.hibernate.impl.BatcherImpl.prepareQueryStatement(BatcherImpl.java:65) at net.sf.hibernate.loader.Loader.prepareQueryStatement(Loader.java:704) at net.sf.hibernate.loader.Loader.doQuery(Loader.java:185) at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:133) at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:836) at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:856) at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:59) at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:51) at net.sf.hibernate.persister.EntityPersister.load(EntityPersister.java:419) ... 29 more


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