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Samebug tips

  1. ,
    Expert tip

    Try downgrading PostgresSQL server to 9.5 or update your PostgresSQL driver to 9.4-1211 with the following command: <postgresql.version>9.4.1211</postgresql.version>

  2. ,
    via stackoverflow.com by Unknown author

    Upgrade the database driver to the latest and check.

    <dependency>
        <groupId>org.postgresql</groupId>
        <artifactId>postgresql</artifactId>
        <version>9.3-1101-jdbc41</version>
    </dependency>
    

    Replace version with the latest driver version.

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  Position: 52	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2096)	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1829)	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:257)	at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:510)	at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:386)	at org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate(AbstractJdbc2Statement.java:332)	at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:105)	at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:105)	at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:208)	at org.hibernate.engine.jdbc.batch.internal.NonBatchingBatch.addToBatch(NonBatchingBatch.java:62)	at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3124)	at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3581)	at org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:104)	at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:465)	at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:351)	at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:350)	at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:56)	at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1258)	at org.hibernate.jpa.spi.AbstractEntityManagerImpl.flush(AbstractEntityManagerImpl.java:1335)	at org.openxava.jpa.impl.EntityManagerDecorator.flush(EntityManagerDecorator.java:157)	at org.openxava.model.impl.JPAPersistenceProvider.flush(JPAPersistenceProvider.java:98)	at org.openxava.model.impl.MapFacadeBean.commitTransaction(MapFacadeBean.java:76)	at org.openxava.model.impl.MapFacadeBean.createAggregate(MapFacadeBean.java:297)	at org.openxava.model.impl.MapFacadeBean.createAggregate(MapFacadeBean.java:320)	at org.openxava.model.MapFacade.createAggregate(MapFacade.java:210)	at org.openxava.actions.SaveElementInCollectionAction.create(SaveElementInCollectionAction.java:88)	at org.openxava.actions.SaveElementInCollectionAction.saveCollectionElement(SaveElementInCollectionAction.java:66)	at org.openxava.actions.SaveElementInCollectionAction.execute(SaveElementInCollectionAction.java:33)	at org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:495)	at org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:403)	at org.openxava.controller.ModuleManager.execute(ModuleManager.java:360)	at org.apache.jsp.xava.execute_jsp._jspService(execute_jsp.java:196)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:605)	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:544)	at org.openxava.web.servlets.Servlets.getURIAsStream(Servlets.java:66)	at org.openxava.web.dwr.Module.getURIAsStream(Module.java:202)	at org.openxava.web.dwr.Module.request(Module.java:61)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.directwebremoting.impl.ExecuteAjaxFilter.doFilter(ExecuteAjaxFilter.java:34)	at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428)	at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:431)	at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:283)	at org.directwebremoting.servlet.PlainCallHandler.handle(PlainCallHandler.java:52)	at org.directwebremoting.servlet.UrlProcessor.handle(UrlProcessor.java:101)	at org.directwebremoting.servlet.DwrServlet.doPost(DwrServlet.java:146)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)	at java.lang.Thread.run(Unknown Source)