NPE when verifying conformance item ASM60006 in OASIS sepc
----------------------------------------------------------
Key: TUSCANY-2701
URL: https://issues.apache.org/jira/browse/TUSCANY-2701
Project: Tuscany
Issue Type: Test
Components: Java SCA Assembly Model
Affects Versions: Java-SCA-1.3
Reporter: Shu Chao Wan
Priority: Minor
Conformance item 60006 says that, "The name of a composite <reference/> element
MUST be unique across all the composite references in the composite."
According to the above description, I wrote a composite file inner.composite
with two same composite <reference/> element "NonUniqueReference" within the
composite.
-----------------------
inner.composite
-----------------------
<composite ...>
<service name="AService" promote="AComponent"/>
<component name="AComponent">
<reference name="b" />
<reference name="c" />
</component>
<reference name="NonUniqueReference" promote="AComponent/b" />
<reference name="NonUniqueReference" promote="AComponent/c" />
</composite>
And a outer composite file to use inner composite as the implementation of
component.
-----------------------
outer.composite
-----------------------
<composite>
<component name="TestNonUniqueReferenceComponent">
<implementation.composite
name="assembly-tests:Assembly-non-unique-reference-inner--Composite"/>
<reference name="NonUniqueReference" target="BComponent"/>
<reference name="NonUniqueReference" target="CComponent"/>
</component>
<component name="BComponent">
<implementation.java
class="org.apache.tuscany.sca.vtest.assembly.composite.impl.BServiceImpl"/>
<property name="someProperty">some b component value</property>
</component>
<component name="CComponent">
<implementation.java
class="org.apache.tuscany.sca.vtest.assembly.composite.impl.CServiceImpl"/>
</component>
</composite>
When I invoke two different methods from the component service AService, I got
NullPointerException from one method invocation.
--------------
TestCase
--------------
initDomain("nonuniquereference_outer.composite");
AService service = ServiceFinder.getService(AService.class,
"TestNonUniqueReferenceComponent/AService");
service.getBProperty();
service.getState();
cleanupDomain();
Here is the detailed info about exception
-----------------------
Exception Trace
-----------------------
java.lang.NullPointerException
at
org.apache.tuscany.sca.vtest.assembly.composite.impl.AServiceImpl.getBProperty(AServiceImpl.java:43)
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:585)
at
org.apache.tuscany.sca.implementation.java.invocation.JavaImplementationInvoker.invoke(JavaImplementationInvoker.java:132)
at
org.apache.tuscany.sca.binding.sca.impl.SCABindingInvoker.invoke(SCABindingInvoker.java:61)
at
org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:287)
at
org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:154)
at $Proxy9.getBProperty(Unknown Source)
at
org.apache.tuscany.sca.vtest.assembly.composite.CompositeTestCase.ASM60006(CompositeTestCase.java:209)
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:585)
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.InvokeMethod.evaluate(InvokeMethod.java:20)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:73)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:46)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)
at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
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)
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