NPE in when clicking button in myfaces 1.2 example
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                 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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