IllegalArgumentException: Cannot register null as a Service
-----------------------------------------------------------
Key: TUSCANY-3719
URL: https://issues.apache.org/jira/browse/TUSCANY-3719
Project: Tuscany
Issue Type: Bug
Reporter: ant elder
Fix For: Java-SCA-2.0-Beta1
During the Tuscany build there are quite a lot of exceptions logged about not
being able to register a null service. IT doesn't seem to cause any fails but
outputs a big stacktrace to the log. Happens in varrious sample and itest
builds. This is an example from
samples\learning-more\implementation-osgi\dosgi-calculator:
14-Oct-2010 08:11:59
org.apache.tuscany.sca.core.DefaultModuleActivatorExtensionPoint start
SEVERE: Cannot register null as a Service
java.lang.IllegalArgumentException: Cannot register null as a Service
at
org.apache.tuscany.sca.core.DefaultUtilityExtensionPoint.addUtility(DefaultUtilityExtensionPoint.java:64)
at
org.apache.tuscany.sca.core.DefaultUtilityExtensionPoint.addUtility(DefaultUtilityExtensionPoint.java:59)
at
org.apache.tuscany.sca.policy.transaction.runtime.geronimo.TransactionModuleActivator.start(TransactionModuleActivator.ja
va:64)
at
org.apache.tuscany.sca.core.DefaultModuleActivatorExtensionPoint.start(DefaultModuleActivatorExtensionPoint.java:130)
at
org.apache.tuscany.sca.extensibility.ServiceHelper.start(ServiceHelper.java:46)
at
org.apache.tuscany.sca.core.DefaultExtensionPointRegistry.addExtensionPoint(DefaultExtensionPointRegistry.java:75)
at
org.apache.tuscany.sca.core.DefaultExtensionPointRegistry.getExtensionPoint(DefaultExtensionPointRegistry.java:110)
at
org.apache.tuscany.sca.node.impl.NodeFactoryImpl.init(NodeFactoryImpl.java:268)
at
org.apache.tuscany.sca.node.osgi.impl.OSGiNodeFactoryImpl.init(OSGiNodeFactoryImpl.java:107)
at
org.apache.tuscany.sca.osgi.remoteserviceadmin.impl.AbstractOSGiServiceHandler.init(AbstractOSGiServiceHandler.java:67)
at
org.apache.tuscany.sca.osgi.remoteserviceadmin.impl.OSGiServiceExporter.start(OSGiServiceExporter.java:73)
at
org.apache.tuscany.sca.osgi.remoteserviceadmin.impl.RemoteServiceAdminImpl.start(RemoteServiceAdminImpl.java:78)
at
org.apache.tuscany.sca.node.osgi.impl.NodeActivator.start(NodeActivator.java:69)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:782)
at java.security.AccessController.doPrivileged(Native Method)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:773)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:754)
at
org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:352)
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:280)
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:272)
at
calculator.dosgi.test.CalculatorOSGiNodeTestCase.setUpBeforeClass(CalculatorOSGiNodeTestCase.java:76)
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:236)
at
org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:62)
at
org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140)
at
org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:127)
at org.apache.maven.surefire.Surefire.run(Surefire.java:177)
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.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345)
at
org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009)
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