Hi Reto,

Based on the source of "ContentItemResource" this happens if an
fise:TextAnnotation does not have a fise:selected-text nor a dc:type
value. Up to now there where no such fise:TextAnnotation created by
any engine. But I guess that your Engine does exactly that.

No Idea what the UI should use as label for the mention in such cases
but causing a NPE ( by calling extractLabel(NULL) in line 590) is
probably not the best Idea

best
Rupert

On Wed, Jun 19, 2013 at 1:26 PM, Reto Bachmann-Gmür <r...@apache.org> wrote:
> Hello
>
> After deploying a new enhancement engine created from the archetype I'm
> getting the exception below for chains that include the enhancer. I'm using
> the latest trunk version both for the Stanbol instance as well as for the
> archetype. Any idea what's causing this?
>
> Cheers,
> Reto
>
> [java] WARNING: A servlet request, to the URI
> http://localhost:8080/enhancer/chain/all-active, contains form parameters
> in the request body but the request body has been consumed by the servlet
> or a servlet filter accessing the request parameters. Only resource methods
> using @FormParam will work as expected. Resource methods consuming the
> request body by other means will not work as expected.
>      [java] Jun 19, 2013 12:18:14 PM
> com.sun.jersey.spi.container.ContainerResponse mapMappableContainerException
>      [java] SEVERE: The RuntimeException could not be mapped to a response,
> re-throwing to the HTTP container
>      [java] java.lang.NullPointerException
>      [java]     at
> org.apache.stanbol.enhancer.jersey.resource.ContentItemResource.extractLabel(ContentItemResource.java:280)
>      [java]     at
> org.apache.stanbol.enhancer.jersey.resource.ContentItemResource$EntityExtractionSummary.<init>(ContentItemResource.java:590)
>      [java]     at
> org.apache.stanbol.enhancer.jersey.resource.ContentItemResource.initOccurrences(ContentItemResource.java:398)
>      [java]     at
> org.apache.stanbol.enhancer.jersey.resource.ContentItemResource.<init>(ContentItemResource.java:191)
>      [java]     at
> org.apache.stanbol.enhancer.jersey.resource.AbstractEnhancerUiResource.enhanceFromForm(AbstractEnhancerUiResource.java:131)
>      [java]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
>      [java]     at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>      [java]     at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>      [java]     at java.lang.reflect.Method.invoke(Method.java:601)
>      [java]     at
> com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
>      [java]     at
> com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
>      [java]     at
> com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
>      [java]     at
> com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
>      [java]     at
> com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
>      [java]     at
> com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
>      [java]     at
> com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
>      [java]     at
> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1480)
>      [java]     at
> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1411)
>      [java]     at
> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1360)
>      [java]     at
> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1350)
>      [java]     at
> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
>      [java]     at
> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:538)
>      [java]     at
> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:716)
>      [java]     at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
>      [java]     at
> org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletHandler.java:96)
>      [java]     at
> org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:79)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:42)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
>      [java]     at
> org.apache.stanbol.commons.httpqueryheaders.impl.QueryHeadersFilter.doFilter(QueryHeadersFilter.java:75)
>      [java]     at
> org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88)
>      [java]     at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
>      [java]     at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:78)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
>      [java]     at
> org.apache.stanbol.commons.web.resources.ResourceServingFilter.doFilterHttp(ResourceServingFilter.java:148)
>      [java]     at
> org.apache.stanbol.commons.web.resources.ResourceServingFilter.doFilter(ResourceServingFilter.java:91)
>      [java]     at
> org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88)
>      [java]     at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
>      [java]     at
> org.apache.stanbol.commons.security.auth.AuthenticatingFilter$1.run(AuthenticatingFilter.java:163)
>      [java]     at java.security.AccessController.doPrivileged(Native
> Method)
>      [java]     at
> javax.security.auth.Subject.doAsPrivileged(Subject.java:536)
>      [java]     at
> org.apache.stanbol.commons.security.auth.AuthenticatingFilter.doFilter(AuthenticatingFilter.java:159)
>      [java]     at
> org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88)
>      [java]     at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48)
>      [java]     at
> org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39)
>      [java]     at
> org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
>      [java]     at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
>      [java]     at
> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
>      [java]     at
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
>      [java]     at
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
>      [java]     at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
>      [java]     at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>      [java]     at org.mortbay.jetty.Server.handle(Server.java:326)
>      [java]     at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
>      [java]     at
> org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:943)
>      [java]     at
> org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
>      [java]     at
> org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
>      [java]     at
> org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
>      [java]     at
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
>      [java]     at
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
>      [java]



-- 
| Rupert Westenthaler             rupert.westentha...@gmail.com
| Bodenlehenstraße 11                             ++43-699-11108907
| A-5500 Bischofshofen

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