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via XWiki.org JIRA by Zeljko Trogrlic, 1 year ago
This exception has no message.
via XWiki.org JIRA by Jerome Velociter, 2 years ago
java.lang.NullPointerException: 	at com.xpn.xwiki.objects.classes.PropertyClass.displayView(PropertyClass.java:150)	at com.xpn.xwiki.doc.XWikiDocument.display(XWikiDocument.java:1251)	at com.xpn.xwiki.doc.XWikiDocument.display(XWikiDocument.java:1231)	at com.xpn.xwiki.doc.XWikiDocument.display(XWikiDocument.java:1295)	at com.xpn.xwiki.api.Object.get(Object.java:55)	at sun.reflect.GeneratedMethodAccessor59.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.apache.velocity.runtime.parser.node.GetExecutor.execute(GetExecutor.java:111)	at org.apache.velocity.util.introspection.UberspectImpl$VelGetterImpl.invoke(UberspectImpl.java:350)	at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:180)	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:203)	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:294)	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:74)	at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:448)	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:170)	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)	at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:231)	at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:134)	at com.xpn.xwiki.render.XWikiVelocityRenderer.render(XWikiVelocityRenderer.java:82)	at com.xpn.xwiki.render.XWikiRenderingEngine.renderText(XWikiRenderingEngine.java:208)	at com.xpn.xwiki.XWiki.include(XWiki.java:2991)	at com.xpn.xwiki.api.XWiki.includeForm(XWiki.java:1298)	at com.xpn.xwiki.api.XWiki.includeForm(XWiki.java:1264)	at sun.reflect.GeneratedMethodAccessor104.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:295)	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:248)	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:203)	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:294)	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:194)	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:170)	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)	at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:231)	at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:134)	at com.xpn.xwiki.render.XWikiVelocityRenderer.render(XWikiVelocityRenderer.java:82)	at com.xpn.xwiki.render.XWikiRenderingEngine.renderText(XWikiRenderingEngine.java:208)	at com.xpn.xwiki.render.XWikiRenderingEngine.renderText(XWikiRenderingEngine.java:131)	at com.xpn.xwiki.render.XWikiRenderingEngine.renderDocument(XWikiRenderingEngine.java:123)	at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:350)	at com.xpn.xwiki.api.Document.getRenderedContent(Document.java:334)	at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:295)	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:248)	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:203)	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:294)	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)	at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:231)	at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:134)	at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1218)	at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1187)	at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:488)	at sun.reflect.GeneratedMethodAccessor20.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:295)	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:248)	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:203)	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:294)	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:194)	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:170)	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:74)	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:88)	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:74)	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:107)	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)	at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:231)	at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:134)	at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1218)	at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1187)	at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:98)	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:159)	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.doGet(ActionServlet.java:414)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:596)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428)	at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:830)	at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:121)	at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:821)	at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:471)	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:568)	at org.mortbay.http.HttpContext.handle(HttpContext.java:1565)	at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:633)	at org.mortbay.http.HttpContext.handle(HttpContext.java:1517)	at org.mortbay.http.HttpServer.service(HttpServer.java:954)	at org.mortbay.http.HttpConnection.service(HttpConnection.java:816)	at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:983)	at org.mortbay.http.HttpConnection.handle(HttpConnection.java:833)	at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244)	at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)	at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)