1 Reply Latest reply on Aug 2, 2012 7:07 AM by Aslak Knutsen

    Get NullPointerException when using Arquillian Persistence Extension

    Simon Rettenmeier Newbie

      Hi there,

       

      currently I'm trying to use the Arquillian Persistence Extension. Therefore I tried some variants but all result in a NullPointerException. Without using the persistence extension the test passes.

      I'm using an embedded Glassfish 3.1.2 as container.

       

      Noteworthy is that when I'm debugging the test, the test method gets executed twice. Without persistence extension the injected service is null during the first invocation. During the second invocation the injected service has an instance and the test passes. Executing the test with the persistence extension the field gets injected during the first run but is null during the second run. Does anybody run into the same problem? Or can anybody explain why this is so?

       

      Here you can find my test class:

       

       

      @RunWith(Arquillian.class)
      public class CountryServiceIntTest {
      
          @Deployment
          public static Archive<?> deploy() {
              return ShrinkWrap
                  .create(JavaArchive.class)
                  .addClasses(
                      CountryService.class, Country.class, Identifiable.class, Translatable.class, Translation.class,
                      CountryTranslation.class, EntityManagerFactory.class, Country_.class)
                  .addAsManifestResource("META-INF/persistence.xml", "persistence.xml")
                  .addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml");
          }
      
          @Inject
          private CountryService countryService;
      
          @Test
          @Transactional(TransactionMode.ROLLBACK)
          public void test() {
              List<Country> countries = countryService.getCountries();
              assertThat(countries.isEmpty(), not(is((true))));
          }
      }
      

       

       

      And the occuring failure trace:

       

      java.lang.NullPointerException
          at com.xxx.gssn.audit.core.service.CountryServiceIntTest.test(CountryServiceIntTest.java:57)
          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:45)
          at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
          at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
          at org.jboss.arquillian.junit.Arquillian$6$1.invoke(Arquillian.java:270)
          at org.jboss.arquillian.junit.standalone.LocalTestMethodExecutor.execute(LocalTestMethodExecutor.java:53)
          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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)
          at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)
          at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)
          at org.jboss.arquillian.container.test.impl.client.ContainerEventController.createContext(ContainerEventController.java:142)
          at org.jboss.arquillian.container.test.impl.client.ContainerEventController.createTestContext(ContainerEventController.java:129)
          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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)
          at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
          at org.jboss.arquillian.test.impl.TestContextHandler.createTestContext(TestContextHandler.java:89)
          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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)
          at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
          at org.jboss.arquillian.test.impl.TestContextHandler.createClassContext(TestContextHandler.java:75)
          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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)
          at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
          at org.jboss.arquillian.test.impl.TestContextHandler.createSuiteContext(TestContextHandler.java:60)
          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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)
          at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
          at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:135)
          at org.jboss.arquillian.test.impl.EventTestRunnerAdaptor.test(EventTestRunnerAdaptor.java:111)
          at org.jboss.arquillian.junit.Arquillian$6.evaluate(Arquillian.java:263)
          at org.jboss.arquillian.junit.Arquillian$4.evaluate(Arquillian.java:226)
          at org.jboss.arquillian.junit.Arquillian.multiExecute(Arquillian.java:314)
          at org.jboss.arquillian.junit.Arquillian.access$100(Arquillian.java:46)
          at org.jboss.arquillian.junit.Arquillian$5.evaluate(Arquillian.java:240)
          at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
          at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
          at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
          at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
          at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
          at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
          at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
          at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
          at org.jboss.arquillian.junit.Arquillian$2.evaluate(Arquillian.java:185)
          at org.jboss.arquillian.junit.Arquillian.multiExecute(Arquillian.java:314)
          at org.jboss.arquillian.junit.Arquillian.access$100(Arquillian.java:46)
          at org.jboss.arquillian.junit.Arquillian$3.evaluate(Arquillian.java:199)
          at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
          at org.jboss.arquillian.junit.Arquillian.run(Arquillian.java:147)
          at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
          at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
          at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
          at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
          at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
          at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
      
      

       

       

      Many thanks in advance...