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From Matthias Nöbl (JIRA) <j...@apache.org>
Subject [jira] [Commented] (TAP5-1837) NPE on registry startup when using tapestry.use-external-spring-context in 5.3.2
Date Mon, 21 May 2012 14:50:41 GMT

    [ https://issues.apache.org/jira/browse/TAP5-1837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13280189#comment-13280189
] 

Matthias Nöbl commented on TAP5-1837:
-------------------------------------

With Tapestry 5.3.3 I got the same error using an external Spring context, because object.getServiceInterface()
returned null. This was because I defined an abstract bean without the class attribute (which
works in Spring). After adding the class attribute the NPE disappeared, but obviously in the
example the class attribute is there ...
                
> NPE on registry startup when using tapestry.use-external-spring-context in 5.3.2
> --------------------------------------------------------------------------------
>
>                 Key: TAP5-1837
>                 URL: https://issues.apache.org/jira/browse/TAP5-1837
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core, tapestry-spring
>    Affects Versions: 5.3.2
>            Reporter: Adam
>         Attachments: t5sandbox.tar.gz
>
>
> When I use a certain kind of bean in my applicationContext.xml, an NPE occurs. It only
happens with "tapestry.use-external-spring-context" and the spring ContextLoaderListener.
See attached project.
> java.lang.NullPointerException
>         at org.apache.tapestry5.ioc.internal.RegistryImpl$2.accept(RegistryImpl.java:273)
>         at org.apache.tapestry5.ioc.internal.RegistryImpl$2.accept(RegistryImpl.java:270)
>         at org.apache.tapestry5.func.F$25.accept(F.java:623)
>         at org.apache.tapestry5.func.LazyFilter.next(LazyFilter.java:37)
>         at org.apache.tapestry5.func.LazyFlow.resolve(LazyFlow.java:78)
>         at org.apache.tapestry5.func.LazyFlow.isEmpty(LazyFlow.java:61)
>         at org.apache.tapestry5.ioc.internal.RegistryImpl.isContributionForExistentService(RegistryImpl.java:287)
>         at org.apache.tapestry5.ioc.internal.RegistryImpl.validateContributeDefs(RegistryImpl.java:241)
>         at org.apache.tapestry5.ioc.internal.RegistryImpl.<init>(RegistryImpl.java:202)
>         at org.apache.tapestry5.ioc.RegistryBuilder.build(RegistryBuilder.java:177)
>         at org.apache.tapestry5.internal.TapestryAppInitializer.createRegistry(TapestryAppInitializer.java:200)
>         at org.apache.tapestry5.TapestryFilter.init(TapestryFilter.java:109)
>         at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97)
>         at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>         at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:653)
>         at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
>         at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1239)
>         at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
>         at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:466)
>         at org.mortbay.jetty.plugin.Jetty6PluginWebAppContext.doStart(Jetty6PluginWebAppContext.java:124)
>         at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>         at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
>         at org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
>         at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>         at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
>         at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>         at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
>         at org.mortbay.jetty.Server.doStart(Server.java:222)
>         at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>         at org.mortbay.jetty.plugin.Jetty6PluginServer.start(Jetty6PluginServer.java:132)
>         at org.mortbay.jetty.plugin.AbstractJettyMojo.startJetty(AbstractJettyMojo.java:441)
>         at org.mortbay.jetty.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.java:383)
>         at org.mortbay.jetty.plugin.AbstractJettyRunMojo.execute(AbstractJettyRunMojo.java:210)
>         at org.mortbay.jetty.plugin.Jetty6RunMojo.execute(Jetty6RunMojo.java:184)
>         at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
>         at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
>         at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
>         at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
>         at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
>         at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
>         at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
>         at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
>         at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:319)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
>         at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
>         at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
>         at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
>         at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
>         at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)

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