XML代码运行正常,但是Junit失败了NoclassDeffound
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22-08-2019 - |
题
我正在将环境从Eclipse 3.3.1和Java 1.4升级到Eclipse 3.4.1和Java 1.5。我的单位测试是在Junit 3中。
Eclipse Java版本1.5.0__17
独立的ENV版本1.5.0__12或1.5.0-17都可以使用。
我有一个将XML文件写入磁盘的类中的方法。它调用TransformerFactory tf = [Javax.xml.transform。] TransformerFactory.NewInstance();当我在日食外运行代码时,它运行良好。当我在Eclipse中运行Junit代码时,我在下面获得堆栈跟踪。缺少的班级是Java 1.4的RT.Jar,而不是Java 5中,但这不应该从我这里抽象吗?
如何进行测试?
当我从应用程序中运行Eclipse代码时,我会遇到相同的错误。
java.lang.NoClassDefFoundError: org/apache/xalan/processor/TransformerFactoryImpl at weblogic.xml.jaxp.RegistryTransformerFactory.(RegistryTransformerFactory.java:62) at weblogic.xml.jaxp.RegistrySAXTransformerFactory.(RegistrySAXTransformerFactory.java:12) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:494) at java.lang.Class.newInstance0(Class.java:350) at java.lang.Class.newInstance(Class.java:303) at javax.xml.transform.FactoryFinder.newInstance(FactoryFinder.java:100) at javax.xml.transform.FactoryFinder.findJarServiceProvider(FactoryFinder.java:278) at javax.xml.transform.FactoryFinder.find(FactoryFinder.java:185) at javax.xml.transform.TransformerFactory.newInstance(TransformerFactory.java:103) at com.bellsouth.snt.cnmp.sso.netcool.NetcoolAccessThread.writeXmlFile(NetcoolAccessThread.java:278) at com.bellsouth.snt.cnmp.sso.netcool.NetcoolAccessThreadTest.testWriteXmlFile(NetcoolAccessThreadTest.java:83) 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 junit.framework.TestCase.runTest(TestCase.java:164) at junit.framework.TestCase.runBare(TestCase.java:130) at junit.framework.TestResult$1.protect(TestResult.java:106) at junit.framework.TestResult.runProtected(TestResult.java:124) at junit.framework.TestResult.run(TestResult.java:109) at junit.framework.TestCase.run(TestCase.java:120) at junit.framework.TestSuite.runTest(TestSuite.java:230) at junit.framework.TestSuite.run(TestSuite.java:225) at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130) 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)
更新我在堆栈痕迹的肠子中进行了更多研究。工作版本(外日食)正在返回一个com.sun.org.apache.xalan.internal.xsltc.trax.trax.transformerfactoryimpl,它是Javax.xml.transform.transform.transform.transformerfactory.transformerfactory.newinstance(Newinstance()中的后备类class名称
public static TransformerFactory newInstance() throws TransformerFactoryConfigurationError { try { return (TransformerFactory) FactoryFinder.find( /* The default property name according to the JAXP spec */ "javax.xml.transform.TransformerFactory", /* The fallback implementation class name, XSLTC */ "com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl"); } catch (FactoryFinder.ConfigurationError e) { throw new TransformerFactoryConfigurationError( e.getException(), e.getMessage()); } }
解决方案 2
我添加了以下行
System.setProperty("javax.xml.transform.TransformerFactory", "com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl");
其他提示
您可以检查在Eclipse运行时与在其外部运行时是否使用相同的Java版本运行(在Eclipse:运行为 - >运行配置...-> JRE TAB)。
将Xalan Jar添加到classPath。
也看 这里 如果您正在使用WebLogic。您必须将罐子放入共享/lib中。