我正在从Eclipse 3.3.1和Java 1.4升级到Eclipse 3.4.1和Java 1.5。
我的单元测试在6月3日。
Eclipse Java版本1.5.0y17
独立env版本1.5.0_uu12或1.5.0-17都可以工作。
我有一个类的方法,它将XML文件写入磁盘。
它调用transformerFactory tf=[javax.xml.transform.]transformerFactory.newInstance();
当我在Eclipse之外运行代码时,它运行良好。
当我在Eclipse的JUnit中运行代码时,我得到下面的堆栈跟踪。
缺失的类位于Java 1.4的RT.jar中,而不是Java 5,但不应该从我这里抽象出来吗?
我怎样才能通过考试?
当我从应用程序运行Eclipse中的代码时,也会得到同样的错误。
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
我对烟囱痕迹的肠道做了更多的研究。工作版本(Eclipse之外)正在返回com.sun.org.apache.xalan.internal.xsltc.trax.transformerfactory impl的实例,这是javax.xml.transform.transformerfactory.newinstance()中的回退impl类名。
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());
}
}