Hi,

I am facing a quite similar problem - it's caused by the security constraints 
on a wiki farm.

I've changed the page code, see below.

Sometimes it's not possible to edit this page, you may use

http://<YourWiki>.<YourHost>:8080/xwiki/bin/view/TasksCode/NewTask?viewer=edit

Kind regards
mb

=============
#set($id = 1)
#set ($list = $xwiki.searchDocuments(",BaseObject as obj, IntegerProperty as 
prop
where
doc.fullName=obj.name
and obj.className='TasksCode.IssueClass'
and obj.id=prop.id.id
and prop.id.name='id'
and prop.id.value > 0
order by prop.id.value desc
", 0, 0))
#foreach ($item in $list)
  #set($id = $id + 1)
  #set($taskdoc = $xwiki.getDocument($item))
  #set($classname = "TasksCode.IssueClass")
  #set($ok = $taskdoc.use("$classname"))
#end

#if($request.page)
#set($pagedoc = $xwiki.getDocument($!request.page))
$response.sendRedirect($xwiki.getURL("${pagedoc.space}.${pagedoc.name}Task${id}","inline","page=${request.page}&id=${id}&template=TasksCode.TasksClassTemplate"))
#else
$response.sendRedirect($xwiki.getURL("Tasks.Task${id}","inline","page=Tasks.WebHome&id=${id}&template=TasksCode.TasksClassTemplate"))
#end
===============

-----Original Message-----
From: users-boun...@xwiki.org [mailto:users-boun...@xwiki.org] On Behalf Of 
Ziggy
Sent: Sonntag, 17. Januar 2010 5:14
To: XWiki Users
Subject: [xwiki-users] TaskManager Application Error number 4001 in 4: Error 
while parsing velocity page workresource:TasksCode.NewTask

Hi,

I am trying out the TaskManager Application but cant get it to work. I
imported the xar file and have added the panel on one of my pages. I
imported the xar using the Admin user.

When i click on new task i get the following exception

 Error number 4001 in 4: Error while parsing velocity page
workresource:TasksCode.NewTask Wrapped Exception: Failed to evaluate content
with id
<http://workresource.btwebtop.com:8080/xwiki/bin/view/TasksCode/NewTask?page=TasksCode.NewTask>New
Task<http://workresource.btwebtop.com:8080/xwiki/bin/view/TasksCode/NewTask>

Error number 4001 in 4: Error while parsing velocity page
workresource:TasksCode.NewTask
Wrapped Exception: Failed to evaluate content with id New Task
<http://workresource.btwebtop.com:8080/xwiki/bin/view/TasksCode/NewTask>
com.xpn.xwiki.XWikiException: Error number 4001 in 4: Error while
parsing velocity page workresource:TasksCode.NewTask
Wrapped Exception: Failed to evaluate content with id New Task
<http://workresource.btwebtop.com:8080/xwiki/bin/view/TasksCode/NewTask>
        at 
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:122)
        at 
com.xpn.xwiki.render.XWikiVelocityRenderer.render(XWikiVelocityRenderer.java:93)
        at 
com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderText(DefaultXWikiRenderingEngine.java:272)
        at 
com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderText(DefaultXWikiRenderingEngine.java:202)
        at 
com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderText(DefaultXWikiRenderingEngine.java:170)
        at 
com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderDocument(DefaultXWikiRenderingEngine.java:159)
        at 
com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:566)
        at 
com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:583)
        at com.xpn.xwiki.api.Document.getRenderedContent(Document.java:475)
        at sun.reflect.GeneratedMethodAccessor349.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:389)
        at 
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:378)
        at 
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270)
        at 
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:252)
        at 
org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:493)
        at 
org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
        at 
org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
        at 
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
        at 
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
        at 
org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
        at 
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
        at 
org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:191)
        at 
org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:156)
        at 
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:116)
        at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1710)
        at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1631)
        at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:657)
        at sun.reflect.GeneratedMethodAccessor195.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:389)
        at 
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:378)
        at 
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270)
        at 
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:252)
        at 
org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:332)
        at 
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
        at 
org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:212)
        at 
org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:247)
        at 
org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:175)
        at 
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
        at 
org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
        at 
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
        at 
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
        at 
org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
        at 
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
        at 
org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:191)
        at 
org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:156)
        at 
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:116)
        at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1710)
        at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1631)
        at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:123)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:224)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:115)
        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:617)
        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 
com.xpn.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:152)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:117)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:68)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
com.xpn.xwiki.web.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:295)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112)
        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:293)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
        at java.lang.Thread.run(Thread.java:619)


Wrapped Exception:


org.apache.velocity.exception.MethodInvocationException: Invocation of
method 'get' in  class java.util.Collections$EmptyList threw exception
java.lang.IndexOutOfBoundsException: Index: 0 at
workresource:TasksCode.NewTaskline 2, column 32?
<http://workresource.btwebtop.com:8080/xwiki/bin/edit/TasksCode/line+2%2C+column+32?parent=TasksCode.NewTask>
        at 
org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:337)
        at 
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:284)
        at 
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:252)
        at 
org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:493)
        at 
org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
        at 
org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
        at 
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
        at 
org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:191)
        at 
org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:156)
        at 
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:116)
        at 
com.xpn.xwiki.render.XWikiVelocityRenderer.render(XWikiVelocityRenderer.java:93)
        at 
com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderText(DefaultXWikiRenderingEngine.java:272)
        at 
com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderText(DefaultXWikiRenderingEngine.java:202)
        at 
com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderText(DefaultXWikiRenderingEngine.java:170)
        at 
com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderDocument(DefaultXWikiRenderingEngine.java:159)
        at 
com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:566)
        at 
com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:583)
        at com.xpn.xwiki.api.Document.getRenderedContent(Document.java:475)
        at sun.reflect.GeneratedMethodAccessor349.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:389)
        at 
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:378)
        at 
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270)
        at 
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:252)
        at 
org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:493)
        at 
org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
        at 
org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
        at 
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
        at 
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
        at 
org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
        at 
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
        at 
org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:191)
        at 
org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:156)
        at 
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:116)
        at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1710)
        at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1631)
        at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:657)
        at sun.reflect.GeneratedMethodAccessor195.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:389)
        at 
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:378)
        at 
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270)
        at 
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:252)
        at 
org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:332)
        at 
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
        at 
org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:212)
        at 
org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:247)
        at 
org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:175)
        at 
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
        at 
org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
        at 
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
        at 
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
        at 
org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
        at 
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
        at 
org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:191)
        at 
org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:156)
        at 
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:116)
        at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1710)
        at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1631)
        at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:123)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:224)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:115)
        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:617)
        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 
com.xpn.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:152)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:117)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:68)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
com.xpn.xwiki.web.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:295)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112)
        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:293)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.IndexOutOfBoundsException: Index: 0
        at java.util.Collections$EmptyList.get(Collections.java:2970)
        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 
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:389)
        at 
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:378)
        at 
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270)
        ... 95 more



Any clues what i am doing wrong?



Thanks
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