Unable to deploy portlets
i'm getting the following error while deploying some portlets:
11:32:17,743 ERROR [CoreServlet] Exception caught in processing servlet
java.lang.NullPointerException
at org.jboss.portal.core.invocation.ViewInterceptor.invoke(ViewInterceptor.java:43)
at org.jboss.portal.server.impl.invocation.InvocationImpl.invokeNext(InvocationImpl.java:213)
at org.jboss.portal.server.invocation.portal.TargetInterceptor.invoke(TargetInterceptor.java:153)
at org.jboss.portal.server.impl.invocation.InvocationImpl.invokeNext(InvocationImpl.java:213)
at org.jboss.portal.core.invocation.ContentTypeInterceptor.invoke(ContentTypeInterceptor.java:117)
at org.jboss.portal.server.impl.invocation.InvocationImpl.invokeNext(InvocationImpl.java:213)
at org.jboss.portal.core.invocation.UserContextInterceptor.invoke(UserContextInterceptor.java:92)
at org.jboss.portal.server.impl.invocation.InvocationImpl.invokeNext(InvocationImpl.java:213)
at org.jboss.portal.server.impl.invocation.InvocationImpl.invokeNext(InvocationImpl.java:238)
at org.jboss.portal.server.PortalServer.invoke(PortalServer.java:186)
at org.jboss.portal.server.servlet.AbstractMainServlet.invoke(AbstractMainServlet.java:78)
at org.jboss.portal.server.servlet.AbstractMainServlet.doGet(AbstractMainServlet.java:71)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.portal.core.servlet.TransactionFilter.doFilter(TransactionFilter.java:79)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
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.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:153)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:407)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
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.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
at java.lang.Thread.run(Thread.java:534)
these are the same portlets that i was able to deploy under pluto.
thanks.