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https://issues.apache.org/jira/browse/TUSCANY-3109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12722269#action_12722269
]
Mark Combellack commented on TUSCANY-3109:
------------------------------------------
Added test case in SVN commit 786914.
> NullPointerException thrown when using Atom binding on a Java component
> implementation class that does not have a get() method
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: TUSCANY-3109
> URL: https://issues.apache.org/jira/browse/TUSCANY-3109
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA ATOM Binding Extension
> Affects Versions: Java-SCA-1.5
> Environment: SVN revision 786908
> Linux
> Reporter: Mark Combellack
> Assignee: Mark Combellack
> Fix For: Java-SCA-Next
>
>
> The Atom binding can support two types of Java implementation classes that
> * extend org.apache.tuscany.sca.binding.atom.collection.Collection
> * Do not extend org.apache.tuscany.sca.binding.atom.collection.Collection
> but have a getAll() method that uses the Tuscany Data API
> The support for this is provided in the getFeed() method of
> AtomBindingListenerServlet in the binding-atom-abdera module. With SVN
> revision 763787, if you look at line 745 [1] there is an if that handles
> these two cases.
> Unfortunately, currently if you attempt to add an Atom binding to a Java
> component implementation that does not have a get() method then the following
> NullPointerException is thrown:
> org.osoa.sca.ServiceRuntimeException: java.lang.NullPointerException
> at
> org.apache.tuscany.sca.host.embedded.SCADomain.createNewInstance(SCADomain.java:220)
> at
> org.apache.tuscany.sca.host.embedded.SCADomain.newInstance(SCADomain.java:63)
> at
> org.apache.tuscany.sca.binding.atom.AtomFeedNonCollectionTest.init(AtomFeedNonCollectionTest.java:25)
> 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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
> at
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45)
> at
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
> Caused by: java.lang.NullPointerException
> at
> org.apache.tuscany.sca.binding.atom.provider.AtomBindingListenerServlet.<init>(AtomBindingListenerServlet.java:146)
> at
> org.apache.tuscany.sca.binding.atom.provider.AtomServiceBindingProvider.start(AtomServiceBindingProvider.java:73)
> at
> org.apache.tuscany.sca.core.assembly.CompositeActivatorImpl$3.run(CompositeActivatorImpl.java:630)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.apache.tuscany.sca.core.assembly.CompositeActivatorImpl.start(CompositeActivatorImpl.java:628)
> at
> org.apache.tuscany.sca.core.assembly.CompositeActivatorImpl.start(CompositeActivatorImpl.java:560)
> at org.apache.tuscany.sca.node.impl.NodeImpl.start(NodeImpl.java:716)
> at
> org.apache.tuscany.sca.host.embedded.impl.DefaultSCADomain.init(DefaultSCADomain.java:187)
> at
> org.apache.tuscany.sca.host.embedded.impl.DefaultSCADomain.<init>(DefaultSCADomain.java:100)
> at
> org.apache.tuscany.sca.host.embedded.SCADomain.createNewInstance(SCADomain.java:183)
> ... 18 more
> [1]
> http://svn.apache.org/viewvc/tuscany/branches/sca-java-1.x/modules/binding-atom-abdera/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingListenerServlet.java?annotate=763787&sortby=date&pathrev=763787#l475
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