【问题标题】:PaxExam exception running testsPaxExam 异常运行测试
【发布时间】:2012-12-02 01:40:19
【问题描述】:

我是 Pax Exam 的新手,并尝试通过调用我的 OSGI 服务来运行测试。在 Eclipse 中运行 paxexam 测试时出现以下异常。

java.lang.ClassNotFoundException: org.ops4j.pax.swissbox.framework.ServiceLookupException (no     security manager: RMI class loader disabled)
at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:373)
at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:163)
at java.rmi.server.RMIClassLoader$2.loadClass(RMIClassLoader.java:620)
at java.rmi.server.RMIClassLoader.loadClass(RMIClassLoader.java:247)
at sun.rmi.server.MarshalInputStream.resolveClass(MarshalInputStream.java:197)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1574)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1731)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1946)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1870)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:225)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:142)
at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:178)
at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:132)
at $Proxy9.remoteCall(Unknown Source)
at org.ops4j.pax.exam.rbc.client.intern.RemoteBundleContextClientImpl$1.invoke(RemoteBundleContextClientImpl.java:112)
at $Proxy10.call(Unknown Source)
at org.ops4j.pax.exam.rbc.client.intern.RemoteBundleContextClientImpl.call(RemoteBundleContextClientImpl.java:287)
at org.ops4j.pax.exam.container.remote.RBCRemoteTarget.call(RBCRemoteTarget.java:70)
at org.ops4j.pax.exam.container.def.internal.PaxRunnerTestContainer.call(PaxRunnerTestContainer.java:187)
at org.ops4j.pax.exam.spi.reactors.AllConfinedStagedReactor.invoke(AllConfinedStagedReactor.java:74)
at org.ops4j.pax.exam.junit.JUnit4TestRunner$2.evaluate(JUnit4TestRunner.java:284)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:69)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:48)
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.junit.runners.ParentRunner.run(ParentRunner.java:292)
at org.ops4j.pax.exam.junit.JUnit4TestRunner.run(JUnit4TestRunner.java:93)
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)

任何想法为什么会发生这种情况?当我在以下代码中启用 @Inject DataGenerator 行时会发生这种情况。

@RunWith(JUnit4TestRunner.class)
@ExamReactorStrategy(AllConfinedStagedReactorFactory.class)
public class SampleTest{

    @Inject
    private DataGenerator dataService;

    @Inject
    private BundleContext bundleContext;

谢谢, 拉胡尔

【问题讨论】:

  • 看起来您缺少对 swissbox 的依赖。您能否提供有关您使用的 pax 考试版本和确切设置的更多详细信息。也许您可以将示例项目上传到 github 或类似的。

标签: junit osgi pax-runner pax-exam


【解决方案1】:

根据PAXEXAM-493,异常的根本原因是容器找不到您的DataGenerator 服务。但是,通常 Pax Exam 会“很好地”报告此服务失败查找。在这种情况下,当 Pax Exam 尝试加载类 ServiceLookupException 以执行此操作时,ServiceLookupException 本身的类查找会失败(出于某种原因,Pax 开发人员尚未确定)。

【讨论】:

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