PAT 0.5.1 Load Query Error:com.thoughtworks.xstream.converters.ConversionException: null : null
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LiuHaidong
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Jan 26, 2010, 8:23:47 PM1/26/10
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I'm running the PAT 0.5.1 with MySql, when I save and load a query, this error happened. Please advice: ERROR - !Servlet.Query.LoadQueryError! com.thoughtworks.xstream.converters.ConversionException: null : null ---- Debugging information ---- cause-exception : java.lang.NullPointerException cause-message : null class : org.olap4j.query.Query required-type : java.util.HashMap line number : 6289 ------------------------------- at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:89) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:60) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem (AbstractCollectionConverter.java:71) at com.thoughtworks.xstream.converters.collections.CollectionConverter.populateCollection (CollectionConverter.java:68) at com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal (CollectionConverter.java:61) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:60) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem (AbstractCollectionConverter.java:71) at com.thoughtworks.xstream.converters.collections.MapConverter.populateMap (MapConverter.java:79) at com.thoughtworks.xstream.converters.collections.MapConverter.unmarshal (MapConverter.java:66) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField (AbstractReflectionConverter.java:246) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal (AbstractReflectionConverter.java:218) at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal (AbstractReflectionConverter.java:162) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert (AbstractReferenceUnmarshaller.java:63) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:76) at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother (TreeUnmarshaller.java:60) at com.thoughtworks.xstream.core.TreeUnmarshaller.start (TreeUnmarshaller.java:137) at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal (AbstractTreeMarshallingStrategy.java:33) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:923) at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:909) at com.thoughtworks.xstream.XStream.fromXML(XStream.java:853) at com.thoughtworks.xstream.XStream.fromXML(XStream.java:845) at org.pentaho.pat.server.servlet.QueryServlet.loadQuery (QueryServlet.java:708) 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) 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:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:206) at org.springframework.security.util.FilterChainProxy $VirtualFilterChain.doFilter(FilterChainProxy.java:378) at org.springframework.security.intercept.web.FilterSecurityInterceptor.invoke (FilterSecurityInterceptor.java:109) at org.springframework.security.intercept.web.FilterSecurityInterceptor.doFilter (FilterSecurityInterceptor.java:83) at org.springframework.security.util.FilterChainProxy $VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.ui.SessionFixationProtectionFilter.doFilterHttp (SessionFixationProtectionFilter.java:67) at org.springframework.security.ui.SpringSecurityFilter.doFilter (SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy $VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.ui.ExceptionTranslationFilter.doFilterHttp (ExceptionTranslationFilter.java:101) at org.springframework.security.ui.SpringSecurityFilter.doFilter (SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy $VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.providers.anonymous.AnonymousProcessingFilter.doFilterHttp (AnonymousProcessingFilter.java:105) at org.springframework.security.ui.SpringSecurityFilter.doFilter (SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy $VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.ui.rememberme.RememberMeProcessingFilter.doFilterHttp (RememberMeProcessingFilter.java:116) at org.springframework.security.ui.SpringSecurityFilter.doFilter (SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy $VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.wrapper.SecurityContextHolderAwareRequestFilter.doFilterHttp (SecurityContextHolderAwareRequestFilter.java:91) at org.springframework.security.ui.SpringSecurityFilter.doFilter (SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy $VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.ui.basicauth.BasicProcessingFilter.doFilterHttp (BasicProcessingFilter.java:174) at org.springframework.security.ui.SpringSecurityFilter.doFilter (SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy $VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp (AbstractProcessingFilter.java:277) at org.springframework.security.ui.SpringSecurityFilter.doFilter (SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy $VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.ui.logout.LogoutFilter.doFilterHttp (LogoutFilter.java:89) at org.springframework.security.ui.SpringSecurityFilter.doFilter (SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy $VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.context.HttpSessionContextIntegrationFilter.doFilterHttp (HttpSessionContextIntegrationFilter.java:235) at org.springframework.security.ui.SpringSecurityFilter.doFilter (SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy $VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.util.FilterChainProxy.doFilter (FilterChainProxy.java:175) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate (DelegatingFilterProxy.java:236) at org.springframework.web.filter.DelegatingFilterProxy.doFilter (DelegatingFilterProxy.java:167) 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:233) at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:845) at org.apache.coyote.http11.Http11Protocol $Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java: 447) at java.lang.Thread.run(Thread.java:619) Caused by: java.lang.NullPointerException at mondrian.rolap.RolapSchema.hashCode(RolapSchema.java:261) at java.util.HashMap.put(HashMap.java:372) at com.thoughtworks.xstream.converters.collections.MapConverter.populateMap (MapConverter.java:82) at com.thoughtworks.xstream.converters.collections.MapConverter.unmarshal (MapConverter.java:66) at com.thoughtworks.xstream.core.TreeUnmarshaller.convert (TreeUnmarshaller.java:82) ... 166 more