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java.lang.NullPointerException

PostPosted:Wed Mar 30, 2011 12:59 pm
by prashanth
Hi,
I had installed OpenKm 5.0.3 on server with sql server 2005. All the tables is created in respective databses. Then i altered the OKM_ACTIVITY the column ACT_ITEM from type text to varchar(MAX) and altered the OKM_EXTENSION the column EX_DESCRIPTION from type text to varchar(MAX). Then i created the OKM_PROFILE tables as mentioned in documentation. I did Login, Repository configuration as mentioned in the documentation. After doing all this when i
compile its not showing any error. But when i login it throws an error. The error i shown below.
So i dont no what i am missing.
Anyone knows the solution ?

OpenKM.cfg file
#system.ocr=/usr/bin/tesseract
#system.openoffice.path=/usr/lib/openoffice
#system.img2pdf=/usr/bin/convert
#system.pdf2swf=/usr/bin/pdf2swf
#system.antivir=/usr/bin/clamscan


repository.config=repository.xml
repository.home=repository
system.user=system
default.user.role=UserRole
default.admin.role=AdminRole
principal.adapter=com.openkm.principal.DatabasePrincipalAdapter
max.file.size=5
max.search.results=25
system.demo=off
hibernate.dialect=org.hibernate.dialect.SQLServerDialect
hibernate.hbm2ddl=none
#application.url=http://localhost:8080/OpenKM/com.openkm ... /index.jsp
Error is shown after login
ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/OpenKM]] Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract com.openkm.frontend.client.bean.GWTWorkspace com.openkm.frontend.client.service.OKMWorkspaceService.getUserWorkspace() throws com.openkm.frontend.client.OKMException' threw an unexpected exception: java.lang.NullPointerException
at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:378)
at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:581)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:188)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:224)
at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
at com.openkm.frontend.server.OKMWorkspaceServlet.getUserWorkspace(OKMWorkspaceServlet.java:107)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:562)
... 24 more

Re: java.lang.NullPointerException

PostPosted:Sat Apr 02, 2011 12:04 pm
by jllort
The problem error is caused in this line
Code: Select all
if (up.getWizard().getPropertyGroups() != null) {
Do you have internet connection in this computer ? because the metadata definitions needs connecting by default to some url to validate ( that can be configured to be done locally ) read property groups sections on wiki http://wiki.openkm.com/index.php/Proper ... definition ( the box !! )

Re: java.lang.NullPointerException

PostPosted:Tue Apr 05, 2011 6:53 am
by prashanth
thankyou for reply Sir

I am running OpenKm 5.0.3 version. Now i am getting this error. Now tables are not created in sql server 2005. So plz give me an solution for this problem
Code: Select all
ERROR [org.jboss.deployment.scanner.URLDeploymentScanner] Incomplete Deployment listing:

--- Incompletely deployed packages ---
org.jboss.deployment.DeploymentInfo@f499b776 { url=file:/C:/jboss-4.2.3.GA/server/default/deploy/jboss-local-jdbc.rar }
  deployer: org.jboss.resource.deployment.RARDeployer@149249e
  status: Deployment FAILED reason: Trying to install an already registered mbean: jboss.jca:service=WorkManagerThreadPool
  state: FAILED
  watch: file:/C:/jboss-4.2.3.GA/server/default/deploy/jboss-local-jdbc.rar
  altDD: null
  lastDeployed: 1301818133981
  lastModified: 1301818133950
  mbeans:

After all configuration at the end 
-- MBEANS THAT ARE THE ROOT CAUSE OF THE PROBLEM ---
ObjectName: jboss.jca:service=RARDeployment,name='jboss-local-jdbc.rar'
  State: NOTYETINSTALLED
  Depends On Me:
    jboss.jca:service=ManagedConnectionFactory,name=DefaultDS

Re: java.lang.NullPointerException

PostPosted:Tue Apr 05, 2011 9:14 pm
by jllort
I suggest
1- stop jboss
2- delete folder repository
3- drop all tables on okm_repo
4- ensure openkm-ds.xml is right
5- put in your OpenKM.cfg hibernate.hbm2ddl=create
6- Ensure jdbc driver is copied under server/default/lib
7- start jboss

Re: java.lang.NullPointerException

PostPosted:Wed Apr 06, 2011 8:58 am
by pavila
prashanth wrote:Deployment FAILED reason: Trying to install an already registered mbean: jboss.jca:service=WorkManagerThreadPool
This error is not related to OpenKM but JBoss. It seems like you have two JBoss instances running at the same time or so.