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https://issues.apache.org/jira/browse/EXTSCRIPT-36?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12790052#action_12790052
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Werner Punz commented on EXTSCRIPT-36:
--------------------------------------
Ok this issue is reproducable in a Unix environment as well, the quick fix is
an NPE check in the affected class, but I have to investigate why aClass is
null at all which it should not be!
I will investigate the issue asap (either today in the evening or on friday as
I said)
Thanks for reporting the bug.
> NPE in when clicking button in myfaces 1.2 example
> --------------------------------------------------
>
> Key: EXTSCRIPT-36
> URL: https://issues.apache.org/jira/browse/EXTSCRIPT-36
> Project: MyFaces Extensions Scripting
> Issue Type: Bug
> Reporter: Jan-Kees van Andel
> Assignee: Werner Punz
>
> When I enter some data in the upper input field in the MF 1.2 example, I get
> the following NPE:
> javax.faces.FacesException: Exception while validating component with path :
> {Component-Path : [Class: javax.faces.component.UIViewRoot,ViewId:
> /helloWorld.xhtml][Class: javax.faces.component.html.HtmlForm,Id:
> form][Class: javax.faces.component.html.HtmlPanelGrid,Id: grid][Class:
> javax.faces.component.html.HtmlInputText,Id: input1]}
> at javax.faces.component.UIInput.validate(UIInput.java:421)
> at javax.faces.component.UIInput.processValidators(UIInput.java:186)
> at
> javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:726)
> at javax.faces.component.UIForm.processValidators(UIForm.java:82)
> at
> javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:726)
> at javax.faces.component.UIViewRoot.access$101(UIViewRoot.java:62)
> at javax.faces.component.UIViewRoot$2.process(UIViewRoot.java:133)
> at javax.faces.component.UIViewRoot.process(UIViewRoot.java:260)
> at
> javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:129)
> at
> org.apache.myfaces.lifecycle.ProcessValidationsExecutor.execute(ProcessValidationsExecutor.java:32)
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:103)
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:76)
> at
> org.apache.myfaces.scripting.jsf.dynamicdecorators.implemetations.LifefcycleProxy.execute(LifefcycleProxy.java:60)
> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:178)
> at
> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:491)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1074)
> at
> org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1065)
> at
> org.apache.myfaces.scripting.servlet.ScriptingServletFilter.doFilter(ScriptingServletFilter.java:48)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1065)
> at
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:365)
> at
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:185)
> at
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:689)
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:391)
> at
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:146)
> at
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
> at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
> at org.mortbay.jetty.Server.handle(Server.java:285)
> at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:457)
> at
> org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:765)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:628)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:209)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:357)
> at
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:329)
> at
> org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:475)
> Caused by: java.lang.NullPointerException
> at
> org.apache.myfaces.scripting.core.CoreWeaver.reloadScriptingClass(CoreWeaver.java:70)
> at
> org.apache.myfaces.scripting.core.MethodLevelReloadingHandler.reloadInvoke(MethodLevelReloadingHandler.java:87)
> at
> org.apache.myfaces.scripting.core.MethodLevelReloadingHandler.invoke(MethodLevelReloadingHandler.java:65)
> at $Proxy6.validate(Unknown Source)
> at
> javax.faces.component._ComponentUtils.callValidators(_ComponentUtils.java:159)
> at javax.faces.component.UIInput.validateValue(UIInput.java:357)
> at javax.faces.component.UIInput.validate(UIInput.java:405)
> ... 35 more
> The debugger says that aclass is null.
> Since this statement is only for debugging, I assume the quick fix is simple.
> Don't know the impact on the rest of the codebase...
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