Hello Tim,
thanks for your reply. The URL I mentioned before shows the Java stack
trace and Java full stack trace. I'm copying it below.
java.lang.NullPointerException
at
org.dspace.app.xmlui.aspect.browseArtifacts.Navigation.addOptions(Navigation.java:152)
at
org.dspace.app.xmlui.wing.AbstractWingTransformer.startElement(AbstractWingTransformer.java:239)
at sun.reflect.GeneratedMethodAccessor462.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy255.startElement(Unknown Source)
at
org.apache.cocoon.environment.internal.EnvironmentChanger.startElement(EnvironmentStack.java:140)
at
org.apache.cocoon.components.sax.XMLTeePipe.startElement(XMLTeePipe.java:87)
at
org.apache.cocoon.xml.AbstractXMLPipe.startElement(AbstractXMLPipe.java:94)
at
org.dspace.app.xmlui.wing.AbstractWingTransformer.startElement(AbstractWingTransformer.java:251)
at sun.reflect.GeneratedMethodAccessor462.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy255.startElement(Unknown Source)
at
org.apache.cocoon.xml.AbstractXMLPipe.startElement(AbstractXMLPipe.java:94)
at
org.dspace.app.xmlui.wing.AbstractWingTransformer.startElement(AbstractWingTransformer.java:251)
at sun.reflect.GeneratedMethodAccessor462.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy255.startElement(Unknown Source)
at
org.apache.cocoon.environment.internal.EnvironmentChanger.startElement(EnvironmentStack.java:140)
at
org.apache.cocoon.components.sax.XMLTeePipe.startElement(XMLTeePipe.java:87)
at
org.apache.cocoon.components.sax.AbstractXMLByteStreamInterpreter.parse(AbstractXMLByteStreamInterpreter.java:117)
at
org.apache.cocoon.components.sax.XMLByteStreamInterpreter.deserialize(XMLByteStreamInterpreter.java:44)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:324)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
at sun.reflect.GeneratedMethodAccessor490.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy242.process(Unknown Source)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
at
org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
at
org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
at sun.reflect.GeneratedMethodAccessor489.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy243.generate(Unknown Source)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:326)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
at sun.reflect.GeneratedMethodAccessor490.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy242.process(Unknown Source)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
at
org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
at
org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
at sun.reflect.GeneratedMethodAccessor489.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy243.generate(Unknown Source)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:326)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
at sun.reflect.GeneratedMethodAccessor490.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy242.process(Unknown Source)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
at
org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
at
org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
at sun.reflect.GeneratedMethodAccessor489.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy243.generate(Unknown Source)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:326)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
at sun.reflect.GeneratedMethodAccessor490.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy242.process(Unknown Source)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
at
org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
at
org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
at sun.reflect.GeneratedMethodAccessor489.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy243.generate(Unknown Source)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
at sun.reflect.GeneratedMethodAccessor490.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy242.process(Unknown Source)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
at
org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
at
org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
at sun.reflect.GeneratedMethodAccessor489.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy243.generate(Unknown Source)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
at sun.reflect.GeneratedMethodAccessor490.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy242.process(Unknown Source)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
at
org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
at
org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
at sun.reflect.GeneratedMethodAccessor489.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy243.generate(Unknown Source)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
at sun.reflect.GeneratedMethodAccessor490.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy242.process(Unknown Source)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
at
org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
at
org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
at sun.reflect.GeneratedMethodAccessor489.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy243.generate(Unknown Source)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
at sun.reflect.GeneratedMethodAccessor490.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy242.process(Unknown Source)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
at
org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
at
org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
at sun.reflect.GeneratedMethodAccessor489.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy243.generate(Unknown Source)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
at sun.reflect.GeneratedMethodAccessor490.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy242.process(Unknown Source)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
at
org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
at
org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
at sun.reflect.GeneratedMethodAccessor489.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy243.generate(Unknown Source)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
at sun.reflect.GeneratedMethodAccessor490.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy242.process(Unknown Source)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
at
org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
at
org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
at sun.reflect.GeneratedMethodAccessor489.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy243.generate(Unknown Source)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:750)
at sun.reflect.GeneratedMethodAccessor490.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy242.process(Unknown Source)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:362)
at
org.apache.cocoon.components.source.util.SourceUtil.toSAX(SourceUtil.java:111)
at
org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:294)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
at sun.reflect.GeneratedMethodAccessor489.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy243.generate(Unknown Source)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:544)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:273)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:439)
at sun.reflect.GeneratedMethodAccessor206.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
at com.sun.proxy.$Proxy242.process(Unknown Source)
at
org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:147)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
at
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:117)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
at
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:117)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
at
org.apache.cocoon.servlet.RequestProcessor.process(RequestProcessor.java:351)
at
org.apache.cocoon.servlet.RequestProcessor.service(RequestProcessor.java:169)
at
org.apache.cocoon.sitemap.SitemapServlet.service(SitemapServlet.java:84)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at
org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:468)
at
org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:443)
at
org.apache.cocoon.servletservice.spring.ServletFactoryBean$ServiceInterceptor.invoke(ServletFactoryBean.java:264)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
at com.sun.proxy.$Proxy231.service(Unknown Source)
at org.dspace.springmvc.CocoonView.render(CocoonView.java:113)
at
org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1216)
at
org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1001)
at
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)
at
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:867)
at
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:951)
at
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:842)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
at
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:827)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.dspace.app.xmlui.cocoon.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:113)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.dspace.app.xmlui.cocoon.DSpaceCocoonServletFilter.doFilter(DSpaceCocoonServletFilter.java:160)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.dspace.app.xmlui.cocoon.servlet.multipart.DSpaceMultipartFilter.doFilter(DSpaceMultipartFilter.java:119)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.dspace.rdf.negotiation.NegotiationFilter.doFilter(NegotiationFilter.java:52)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:221)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
On Tuesday, April 10, 2018 at 10:54:52 AM UTC-3, Tim Donohue wrote:
>
> Hi Gustavo,
>
> A NullPointerException in Java is a generic error that could have many
> different causes. So, we'd need more information about where this error is
> occurring. If you need help finding the error stack in your logs, please
> see this guide:
>
> https://wiki.duraspace.org/display/DSPACE/Troubleshoot+an+error
>
> Please be sure to post the error stack to this mailing list, and hopefully
> someone on this list will be able to more easily help you.
>
> Tim
>
> On Mon, Apr 9, 2018 at 2:27 PM Gustavo Tonini <gustav...@gmail.com
> <javascript:>> wrote:
>
>> After upgrading to DSpace 6.2, we're receiving
>> java.lang.NUllPointerException when visualizing some items (example:
>> https://repositorio.ufsc.br/xmlui/handle/123456789/77186). The problem
>> occurs both in JSPUI and XMLUI.
>>
>> We had some problems with items that didn't have the "dc.date.issued"
>> attribute set, but it is not this case.
>>
>> Is someone experiencing similar issues?
>>
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> --
> Tim Donohue
> Technical Lead for DSpace & DSpaceDirect
> DuraSpace.org | DSpace.org | DSpaceDirect.org
>
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