NPE occurs when verifying conformance item ASM60016
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Key: TUSCANY-2843
URL: https://issues.apache.org/jira/browse/TUSCANY-2843
Project: Tuscany
Issue Type: Bug
Components: Java SCA Assembly Model
Affects Versions: Java-SCA-1.4
Reporter: Shu Chao Wan
Conformance item ASM60016 says that
" the operations on the target interface of a wire MUST be the same as or be a
superset of the operations in the interface specified on the source "
In order to verify it with negative way, I wrote the following test case.
composite file
--------------------------------------------------------------------------------------
<component name="FComponent">
<implementation.java
class="org.apache.tuscany.sca.vtest.assembly.composite.impl.FServiceImpl"/>
<reference name="d">
<interface.java
interface="org.apache.tuscany.sca.vtest.assembly.composite.DService" />
</reference>
<reference name="c">
<interface.java
interface="org.apache.tuscany.sca.vtest.assembly.composite.CService" />
</reference>
</component>
<component name="CComponent">
<implementation.java
class="org.apache.tuscany.sca.vtest.assembly.composite.impl.CSubServiceImpl"/>
<service name="CSubService">
<interface.java
interface="org.apache.tuscany.sca.vtest.assembly.composite.CSubService"/>
</service>
</component>
<component name="DComponent">
<implementation.java
class="org.apache.tuscany.sca.vtest.assembly.composite.impl.DSubServiceImpl"/>
<service name="DSubService">
<interface.java
interface="org.apache.tuscany.sca.vtest.assembly.composite.DSubService" />
</service>
</component>
<wire source="FComponent/d" target="DComponent" />
<wire source="FComponent/c" target="CComponent" />
------------------------------------------------------
TestCase
------------------------------------------------------
public void ASM60016_n() throws Exception {
initDomain("subinterfacewire.composite");
FService fservice = ServiceFinder.getService(FService.class,
"FComponent");
Assert.assertEquals("DProperty", fservice.getGreetings(""));
Assert.assertEquals("Some State", fservice.getString(""));
cleanupDomain();
}
---------------------------------------------------------
And I got NullPointerException here instead of expected ServiceRuntimeException.
-----------------------------------------------------------
java.lang.NullPointerException
at
org.apache.tuscany.sca.vtest.assembly.composite.impl.FServiceImpl.getGreetings(FServiceImpl.java:42)
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:162)
at
org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke(PassByValueInterceptor.java:112)
at
org.apache.tuscany.sca.binding.sca.impl.SCABindingInvoker.invoke(SCABindingInvoker.java:61)
at
org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke(PassByValueInterceptor.java:112)
at
org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:310)
at
org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:163)
at $Proxy9.getGreetings(Unknown Source)
at
org.apache.tuscany.sca.vtest.assembly.composite.MyCompositeTestCase.ASM60016_n(MyCompositeTestCase.java:416)
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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