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From Claus Ibsen <claus.ib...@gmail.com>
Subject Re: NullPointerException on diplaying routes
Date Sat, 18 Jun 2011 14:16:37 GMT
On Sat, Jun 18, 2011 at 3:44 PM, Oscar Picasso <oscarpicasso@gmail.com> wrote:
> Just to be clear. The NullPointerException only appears when clicking in the
> routes link. The endpoints etc. are visible.
>

Yeah that may be a known issue that has been fixed in 2.8.0
https://issues.apache.org/jira/browse/CAMEL-3797

As a workaround you may have to add a <description>bla</description>
to your <route> to remedy this.


> On Sat, Jun 18, 2011 at 9:42 AM, Oscar Picasso <oscarpicasso@gmail.com>wrote:
>
>> I did as you suggested and created a web console project
>> with camel-archetype-webconsole version 2.7.2.
>>
>> I can now browse the web console but I still have the same
>> NullPointerException I mentioned on my first post.
>>
>>
>> On Sat, Jun 18, 2011 at 9:26 AM, Claus Ibsen <claus.ibsen@gmail.com>wrote:
>>
>>> Hi
>>>
>>> Look at the Camel documentation
>>> http://camel.apache.org/camel-maven-archetypes.html
>>>
>>> The archetypes has been slightly renamed. If you want the web console,
>>> you need to use
>>> camel-archetype-webconsole
>>>
>>> Instead of typing all the long maven command line. I usually just type
>>>
>>> mvn archetype:generate
>>>
>>> And its in an interactive mode. Then you can type a number to pick the
>>> archetype you want.
>>> And then it ask for the version and so forth. Usually easier to do.
>>>
>>>
>>>
>>> On Sat, Jun 18, 2011 at 3:16 PM, Oscar Picasso <oscarpicasso@gmail.com>
>>> wrote:
>>> > I tried to update the camel version in the pom.xml generated from the
>>> war
>>> > archetype (camel-archetype-*war 2.5.0)* in the previous post, but on
>>> jetty
>>> > startup I got a javax/jms/JMSException
>>> >
>>> > Then I tried to create a new war project with:
>>> > mvn archetype:create
>>> > -DarchetypeGroupId=org.apache.camel.archetypes
>>> > -DarchetypeArtifactId=camel-archetype-*web*
>>> > -DarchetypeVersion=2.7.2
>>> > -DgroupId=camelinaction
>>> > -DartifactId=web-order-router
>>> >
>>> > but when running the mvn command I got:
>>> > Embedded error: The META-INF/maven/archetype.xml descriptor cannot be
>>> found.
>>> > Same with the web archetype version 2.7.1.
>>> >
>>> > The last camel-archetype-*war *archetype is version 2.6.0 but when
>>> running
>>> > jetty on a project created with this archetype and trying to browse the
>>> web
>>> > console it actually just displays the filesystem hierachy of the
>>> project.
>>> >
>>> > Is there some web/war camel maven archetype that is known to work
>>> > out-of-the-box?
>>> >
>>> >
>>> > On Sat, Jun 18, 2011 at 7:52 AM, Claus Ibsen <claus.ibsen@gmail.com>
>>> wrote:
>>> >
>>> >> Hi
>>> >>
>>> >> Try to update your Camel version.
>>> >>
>>> >>
>>> >> On Sat, Jun 18, 2011 at 1:48 PM, Oscar Picasso <oscarpicasso@gmail.com
>>> >
>>> >> wrote:
>>> >> > Hi,
>>> >> >
>>> >> > I created a basic war / camel project with the maven archetype
(see
>>> >> command
>>> >> > used below). I started the camel webapp with jetty:run on port
8081.
>>> >> > It started with no errors. I can go to the web console and see
the
>>> >> > endpoints, can send message to the endpoints.
>>> >> >
>>> >> > However, when I try to display the routes I have a
>>> NullPointerException
>>> >> (see
>>> >> > trace from the shell console below).
>>> >> > I suspected, that maybe some route was badly configured, but actually
>>> I
>>> >> can
>>> >> > send messages to the endpoints and the messages are routed correctly.
>>> >> >
>>> >> > Any idea on why I can't display the routes?
>>> >> >
>>> >> > Oscar Picasso
>>> >> >
>>> >> >
>>> >> > == command used to create the project ==
>>> >> > mvn archetype:create -DarchetypeGroupId=org.apache.camel.archetypes
\
>>> >> >     -DarchetypeArtifactId=camel-archetype-java \
>>> >> >     -DarchetypeVersion=2.5.0 -DgroupId=camelinaction \
>>> >> >     -DartifactId=order-routermvn archetype:create \
>>> >> >     -DarchetypeGroupId=org.apache.camel.archetypes
>>> >> >     -DarchetypeArtifactId=camel-archetype-war \
>>> >> >     -DarchetypeVersion=2.5.0 \
>>> >> >     -DgroupId=camelinaction \
>>> >> >     -DartifactId=war-order-router
>>> >> >
>>> >> > == trace ==
>>> >> > 2011-06-18 07:30:17.466:WARN::/routes
>>> >> > com.sun.jersey.api.container.ContainerException:
>>> >> > java.lang.NullPointerException
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.jersey.ScalateTemplateProcessor.writeToUsingServletTemplateEngine(ScalateTemplateProcessor.scala:172)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.jersey.ScalateTemplateProcessor.writeTo(ScalateTemplateProcessor.scala:130)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.jersey.ScalateTemplateProcessor.writeTo(ScalateTemplateProcessor.scala:40)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.template.ResolvedViewable.writeTo(ResolvedViewable.java:103)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.server.impl.template.ViewableMessageBodyWriter.writeTo(ViewableMessageBodyWriter.java:83)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.server.impl.template.ViewableMessageBodyWriter.writeTo(ViewableMessageBodyWriter.java:62)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:299)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1326)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1239)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1229)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:420)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:497)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:855)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:828)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:789)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1187)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:421)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:493)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:930)
>>> >> >    at
>>> >> >
>>> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:358)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:866)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:245)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:113)
>>> >> >    at org.eclipse.jetty.server.Server.handle(Server.java:351)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:594)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1042)
>>> >> >    at
>>> org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:549)
>>> >> >    at
>>> >> org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:211)
>>> >> >    at
>>> >> >
>>> org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:424)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:506)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:436)
>>> >> >    at java.lang.Thread.run(Thread.java:619)
>>> >> > Caused by:
>>> >> > java.lang.NullPointerException
>>> >> >    at
>>> >> >
>>> >>
>>> org.apache.camel.web.resources.$_scalate_$RoutesResource_index_ssp$$anonfun$$_scalate_$render$1.apply(RoutesResource.index.ssp.scala:30)
>>> >> >    at
>>> >> >
>>> >>
>>> org.apache.camel.web.resources.$_scalate_$RoutesResource_index_ssp$$anonfun$$_scalate_$render$1.apply(RoutesResource.index.ssp.scala:21)
>>> >> >    at scala.collection.Iterator$class.foreach(Iterator.scala:631)
>>> >> >    at
>>> >> >
>>> >>
>>> scala.collection.JavaConversions$JIteratorWrapper.foreach(JavaConversions.scala:474)
>>> >> >    at
>>> scala.collection.IterableLike$class.foreach(IterableLike.scala:79)
>>> >> >    at
>>> >> >
>>> >>
>>> scala.collection.JavaConversions$JListWrapper.foreach(JavaConversions.scala:521)
>>> >> >    at
>>> >> >
>>> >>
>>> org.apache.camel.web.resources.$_scalate_$RoutesResource_index_ssp$.$_scalate_$render(RoutesResource.index.ssp.scala:21)
>>> >> >    at
>>> >> >
>>> >>
>>> org.apache.camel.web.resources.$_scalate_$RoutesResource_index_ssp.render(RoutesResource.index.ssp.scala:73)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.DefaultRenderContext.capture(DefaultRenderContext.scala:88)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.layout.DefaultLayoutStrategy.layout(DefaultLayoutStrategy.scala:41)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.TemplateEngine$$anonfun$layout$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(TemplateEngine.scala:465)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.TemplateEngine$$anonfun$layout$1$$anonfun$apply$mcV$sp$1.apply(TemplateEngine.scala:465)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.TemplateEngine$$anonfun$layout$1$$anonfun$apply$mcV$sp$1.apply(TemplateEngine.scala:465)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.RenderContext$class.withUri(RenderContext.scala:414)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.DefaultRenderContext.withUri(DefaultRenderContext.scala:29)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.TemplateEngine$$anonfun$layout$1.apply$mcV$sp(TemplateEngine.scala:464)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.TemplateEngine$$anonfun$layout$1.apply(TemplateEngine.scala:461)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.TemplateEngine$$anonfun$layout$1.apply(TemplateEngine.scala:461)
>>> >> >    at
>>> org.fusesource.scalate.RenderContext$.using(RenderContext.scala:49)
>>> >> >    at
>>> >> >
>>> org.fusesource.scalate.TemplateEngine.layout(TemplateEngine.scala:461)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.RenderContext$$anonfun$include$1.apply$mcV$sp(RenderContext.scala:261)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.RenderContext$$anonfun$include$1.apply(RenderContext.scala:258)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.RenderContext$$anonfun$include$1.apply(RenderContext.scala:258)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.RenderContext$class.withUri(RenderContext.scala:414)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.DefaultRenderContext.withUri(DefaultRenderContext.scala:29)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.RenderContext$class.include(RenderContext.scala:258)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.DefaultRenderContext.include(DefaultRenderContext.scala:29)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.RenderContext$class.include(RenderContext.scala:248)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.DefaultRenderContext.include(DefaultRenderContext.scala:29)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.servlet.TemplateEngineServlet$.render(TemplateEngineServlet.scala:54)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.jersey.ScalateTemplateProcessor.render$1(ScalateTemplateProcessor.scala:144)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.jersey.ScalateTemplateProcessor.writeToUsingServletTemplateEngine(ScalateTemplateProcessor.scala:147)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.jersey.ScalateTemplateProcessor.writeTo(ScalateTemplateProcessor.scala:130)
>>> >> >    at
>>> >> >
>>> >>
>>> org.fusesource.scalate.jersey.ScalateTemplateProcessor.writeTo(ScalateTemplateProcessor.scala:40)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.template.ResolvedViewable.writeTo(ResolvedViewable.java:103)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.server.impl.template.ViewableMessageBodyWriter.writeTo(ViewableMessageBodyWriter.java:83)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.server.impl.template.ViewableMessageBodyWriter.writeTo(ViewableMessageBodyWriter.java:62)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:299)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1326)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1239)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1229)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:420)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:497)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:855)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:828)
>>> >> >    at
>>> >> >
>>> >>
>>> com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:789)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1187)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:421)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:493)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:930)
>>> >> >    at
>>> >> >
>>> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:358)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:866)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:245)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:113)
>>> >> >    at org.eclipse.jetty.server.Server.handle(Server.java:351)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:594)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1042)
>>> >> >    at
>>> org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:549)
>>> >> >    at
>>> >> org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:211)
>>> >> >    at
>>> >> >
>>> org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:424)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:506)
>>> >> >    at
>>> >> >
>>> >>
>>> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:436)
>>> >> >    at java.lang.Thread.run(Thread.java:619)
>>> >> >
>>> >>
>>> >>
>>> >>
>>> >> --
>>> >> Claus Ibsen
>>> >> -----------------
>>> >> FuseSource
>>> >> Email: cibsen@fusesource.com
>>> >> Web: http://fusesource.com
>>> >> Twitter: davsclaus, fusenews
>>> >> Blog: http://davsclaus.blogspot.com/
>>> >> Author of Camel in Action: http://www.manning.com/ibsen/
>>> >>
>>> >
>>>
>>>
>>>
>>> --
>>> Claus Ibsen
>>> -----------------
>>> FuseSource
>>> Email: cibsen@fusesource.com
>>> Web: http://fusesource.com
>>> Twitter: davsclaus, fusenews
>>> Blog: http://davsclaus.blogspot.com/
>>> Author of Camel in Action: http://www.manning.com/ibsen/
>>>
>>
>>
>



-- 
Claus Ibsen
-----------------
FuseSource
Email: cibsen@fusesource.com
Web: http://fusesource.com
Twitter: davsclaus, fusenews
Blog: http://davsclaus.blogspot.com/
Author of Camel in Action: http://www.manning.com/ibsen/

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