The log entries below are from MyFaces 2.1.15 and 2.2.4, so is this a 
regression bug?

***
* MyFaces 2.1.15
***
2014-09-06 05:16:40,601 | TRACE | qtp195585050-76  | 
FaceletViewDeclarationLanguage   | 640 - org.apache.myfaces.core.impl - 2.1.15 
| Initializing
2014-09-06 05:16:40,657 | DEBUG | qtp195585050-76  | 
FaceletViewDeclarationLanguage   | 640 - org.apache.myfaces.core.impl - 2.1.15 
| Successfully loaded library: bundle://632.0:1/META-INF/primefaces-p.taglib.xml
2014-09-06 05:16:40,660 | DEBUG | qtp195585050-76  | 
FaceletViewDeclarationLanguage   | 640 - org.apache.myfaces.core.impl - 2.1.15 
| Successfully loaded library: 
bundle://632.0:1/META-INF/primefaces-pm.taglib.xml
2014-09-06 05:16:40,663 | DEBUG | qtp195585050-76  | Resource                   
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Resource-Url from 
external context: null
2014-09-06 05:16:40,665 | DEBUG | qtp195585050-76  | DefaultFaceletFactory      
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Using ResourceResolver: 
DefaultResourceResolver
2014-09-06 05:16:40,665 | DEBUG | qtp195585050-76  | DefaultFaceletFactory      
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Using Refresh Period: -1
2014-09-06 05:16:40,666 | TRACE | qtp195585050-76  | 
FaceletViewDeclarationLanguage   | 640 - org.apache.myfaces.core.impl - 2.1.15 
| Initialization Successful
2014-09-06 05:16:40,668 | DEBUG | qtp195585050-76  | Resource                   
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Resource-Url from 
external context: bundle://636.3:0/helloWorld.xhtml
2014-09-06 05:16:40,670 | DEBUG | qtp195585050-76  | Resource                   
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Resource-Url from 
external context: bundle://636.3:0/helloWorld.xhtml
2014-09-06 05:16:40,672 | DEBUG | qtp195585050-76  | Resource                   
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Resource-Url from 
external context: bundle://636.3:0/helloWorld.xhtml
2014-09-06 05:16:40,672 | DEBUG | qtp195585050-76  | DefaultFaceletFactory      
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Creating Facelet used to 
create View Metadata for: bundle://636.3:0/helloWorld.xhtml
2014-09-06 05:16:40,672 | DEBUG | qtp195585050-76  | Compiler                   
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Initializing
2014-09-06 05:16:40,680 | DEBUG | qtp195585050-76  | Compiler                   
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Initialization Successful
2014-09-06 05:16:40,688 | DEBUG | qtp195585050-76  | CompilationManager         
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Namespace Pushed : 
http://www.w3.org/1999/xhtml
2014-09-06 05:16:40,688 | DEBUG | qtp195585050-76  | CompilationManager         
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Starting Unit: 
org.apache.myfaces.view.facelets.compiler.NamespaceUnit@4b9284dc and adding it 
to parent: org.apache.myfaces.view.facelets.compiler.CompilationUnit@50ae47
2014-09-06 05:16:40,688 | DEBUG | qtp195585050-76  | CompilationManager         
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Namespace Pushed f: 
http://java.sun.com/jsf/core
2014-09-06 05:16:40,688 | DEBUG | qtp195585050-76  | CompilationManager         
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Namespace Pushed h: 
http://java.sun.com/jsf/html
2014-09-06 05:16:40,688 | DEBUG | qtp195585050-76  | CompilationManager         
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Namespace Pushed ui: 
http://java.sun.com/jsf/facelets
2014-09-06 05:16:40,688 | DEBUG | qtp195585050-76  | CompilationManager         
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Namespace Pushed p: 
http://primefaces.org/ui
2014-09-06 05:16:40,690 | DEBUG | qtp195585050-76  | CompilationManager         
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Tag Pushed: 
/viewMetadata/helloWorld.xhtml at line 12 and column 17 <f:view>
2014-09-06 05:16:40,690 | DEBUG | qtp195585050-76  | CompilationManager         
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Starting Unit: 
/viewMetadata/helloWorld.xhtml at line 12 and column 17 <f:view> and adding it 
to parent: org.apache.myfaces.view.facelets.compiler.NamespaceUnit@4b9284dc
2014-09-06 05:16:40,690 | DEBUG | qtp195585050-76  | CompilationManager         
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Finished Unit: 
/viewMetadata/helloWorld.xhtml at line 12 and column 17 <f:view>
2014-09-06 05:16:40,690 | DEBUG | qtp195585050-76  | CompilationManager         
      | 640 - org.apache.myfaces.core.impl - 2.1.15 | Finished Unit: 
org.apache.myfaces.view.facelets.compiler.NamespaceUnit@4b9284dc
2014-09-06 05:16:40,760 | TRACE | qtp195585050-76  | 
FaceletViewDeclarationLanguage   | 640 - org.apache.myfaces.core.impl - 2.1.15 
| Building View: /helloWorld.xhtml
2

***
* MyFaces 2.2.4
***
2014-09-05 19:59:31,889 | TRACE | qtp2017355996-82 | 
FaceletViewDeclarationLanguage   | 638 - org.apache.myfaces.core.impl - 2.2.4 | 
Initializing
2014-09-05 19:59:31,919 | DEBUG | qtp2017355996-82 | DefaultFaceletFactory      
      | 638 - org.apache.myfaces.core.impl - 2.2.4 | Using ResourceResolver: 
DefaultResourceResolver
2014-09-05 19:59:31,919 | DEBUG | qtp2017355996-82 | DefaultFaceletFactory      
      | 638 - org.apache.myfaces.core.impl - 2.2.4 | Using Refresh Period: -1
2014-09-05 19:59:31,921 | TRACE | qtp2017355996-82 | 
FaceletViewDeclarationLanguage   | 638 - org.apache.myfaces.core.impl - 2.2.4 | 
Initialization Successful
2014-09-05 19:59:31,930 | DEBUG | qtp2017355996-82 | DefaultFaceletFactory      
      | 638 - org.apache.myfaces.core.impl - 2.2.4 | Creating Facelet used to 
create View Metadata for: bundle://636.1:0/helloWorld.xhtml
2014-09-05 19:59:31,934 | WARN  | qtp2017355996-82 | ServletHandler             
      | 364 - org.eclipse.jetty.aggregate.jetty-all-server - 8.1.14.v20131031 |
javax.servlet.ServletException
        at 
javax.faces.webapp.FacesServlet.service(FacesServlet.java:230)[637:org.apache.myfaces.core.api:2.2.4]
        at 
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1496)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.ops4j.pax.web.service.internal.WelcomeFilesFilter.doFilter(WelcomeFilesFilter.java:185)[373:org.ops4j.pax.web.pax-web-runtime:3.1.0]
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:69)[374:org.ops4j.pax.web.pax-web-jetty:3.1.0]
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:240)[374:org.ops4j.pax.web.pax-web-jetty:3.1.0]
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:77)[374:org.ops4j.pax.web.pax-web-jetty:3.1.0]
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.server.Server.handle(Server.java:370)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:971)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1033)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)[364:org.eclipse.jetty.aggregate.jetty-all-server:8.1.14.v20131031]
        at java.lang.Thread.run(Thread.java:724)[:1.7.0_25]
Caused by: java.lang.NullPointerException
        at 
org.apache.myfaces.view.facelets.impl.DefaultFaceletFactory._createViewMetadataFacelet(DefaultFaceletFactory.java:410)[638:org.apache.myfaces.core.impl:2.2.4]
        at 
org.apache.myfaces.view.facelets.impl.DefaultFaceletFactory.access$100(DefaultFaceletFactory.java:57)[638:org.apache.myfaces.core.impl:2.2.4]
        at 
org.apache.myfaces.view.facelets.impl.DefaultFaceletFactory$2.newInstance(DefaultFaceletFactory.java:131)[638:org.apache.myfaces.core.impl:2.2.4]


Paul Spencer


On Sep 5, 2014, at 8:09 PM, Paul Spencer <pau...@apache.org> wrote:

> I enabled TRACE logging to provide more information. Notice the URL starts 
> used to create the facelet.
> 
> 2014-09-05 19:59:31,889 | TRACE | qtp2017355996-82 | 
> FaceletViewDeclarationLanguage   | 638 - org.apache.myfaces.core.impl - 2.2.4 
> | Initializing
> 2014-09-05 19:59:31,919 | DEBUG | qtp2017355996-82 | DefaultFaceletFactory    
>         | 638 - org.apache.myfaces.core.impl - 2.2.4 | Using 
> ResourceResolver: DefaultResourceResolver
> 2014-09-05 19:59:31,919 | DEBUG | qtp2017355996-82 | DefaultFaceletFactory    
>         | 638 - org.apache.myfaces.core.impl - 2.2.4 | Using Refresh Period: 
> -1
> 2014-09-05 19:59:31,921 | TRACE | qtp2017355996-82 | 
> FaceletViewDeclarationLanguage   | 638 - org.apache.myfaces.core.impl - 2.2.4 
> | Initialization Successful
> 2014-09-05 19:59:31,930 | DEBUG | qtp2017355996-82 | DefaultFaceletFactory    
>         | 638 - org.apache.myfaces.core.impl - 2.2.4 | Creating Facelet used 
> to create View Metadata for: bundle://636.1:0/helloWorld.xhtml
> 2
> 
> 
> Paul Spencer
> 
> On Sep 5, 2014, at 7:46 PM, Paul Spencer <pau...@apache.org> wrote:
> 
>> I am getting the following exception when browsing to a JSF page when using 
>> MyFaces 2.2.4 and Karaf 3.0.1.  No exception is thrown when using MyFaces 
>> 2.1.15 and the page displays as expected.  The only difference is which 
>> version of myfaces-api and myfaces-impl are installed. 
>> 
>> I suspect something is not in the classpath, but I am not sure what is 
>> missing.  Suggestions?  
>> 
>> 
<snip>
>> 
>> I am using the following to as a use case: 
>> https://github.com/ops4j/org.ops4j.pax.web/tree/master/samples/war-jsf-primefaces
>> 
>> Paul Spencer 
> 

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