My app is having a problems working with files. It is a J2EE, Struts and Hibernate application. It uses a MySQL database. The files must be protected so it uses a hashmap table to save them by using Jackrabbit 1.0 library. It worked fine till last January, when something went wrong (I don’t know what!!). It is running on a CentOS 6 server, using Apache and Tomcat 5.5. The problem is this: when an app user try to save a file and attach it to an entity (you can attach files to almost everything in the app), nothing appears after you do it. The error showed in the console this:
java.lang.NullPointerException
at com.tsystems.web.common.JackrabbitPh.comprobarNodoRaiz(JackrabbitPh.java:256)
at com.tsystems.web.common.JackrabbitPh.altaFichero(JackrabbitPh.java:115)
at com.tsystems.web.ModuloFicheros.Actions.SubirFicheroCarpetaAction.alta(SubirFicheroCarpetaAction.java:71)
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.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at com.tsystems.web.common.FiltroSeguridad.doFilter(FiltroSeguridad.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:881)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:674)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:541)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Unknown Source)
java.lang.NullPointerException
at com.tsystems.web.common.JackrabbitPh.comprobarNodoRaiz(JackrabbitPh.java:273)
at com.tsystems.web.common.JackrabbitPh.altaFichero(JackrabbitPh.java:115)
at
The method mentioned in the error (JackrabbitPh.java:256) return, at one point, a null variable so it cannot create the node. It worked fine two months ago, but know it doesn’t even in my local machine (Windows 7). It is not a permission issue, they are the right ones. The code hasn’t changed neither. I know that this is a bit confuse but I can’t bring more information . Thank you very much!
My app is having a problems working with files. It is a J2EE, Struts and Hibernate application. It uses a MySQL database. The files must be protected so it uses a hashmap table to save them by using Jackrabbit 1.0 library. It worked fine till last January, when something went wrong (I don’t know what!!). It is running on a CentOS 6 server, using Apache and Tomcat 5.5. The problem is this: when an app user try to save a file and attach it to an entity (you can attach files to almost everything in the app), nothing appears after you do it. The error showed in the console this:
java.lang.NullPointerException
at com.tsystems.web.common.JackrabbitPh.comprobarNodoRaiz(JackrabbitPh.java:256)
at com.tsystems.web.common.JackrabbitPh.altaFichero(JackrabbitPh.java:115)
at com.tsystems.web.ModuloFicheros.Actions.SubirFicheroCarpetaAction.alta(SubirFicheroCarpetaAction.java:71)
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.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at com.tsystems.web.common.FiltroSeguridad.doFilter(FiltroSeguridad.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:881)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:674)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:541)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Unknown Source)
java.lang.NullPointerException
at com.tsystems.web.common.JackrabbitPh.comprobarNodoRaiz(JackrabbitPh.java:273)
at com.tsystems.web.common.JackrabbitPh.altaFichero(JackrabbitPh.java:115)
at
The method mentioned in the error (JackrabbitPh.java:256) return, at one point, a null variable so it cannot create the node. It worked fine two months ago, but know it doesn’t even in my local machine (Windows 7). It is not a permission issue, they are the right ones. The code hasn’t changed neither. I know that this is a bit confuse but I can’t bring more information . Thank you very much!
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