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我正在嘗試調用webservice。客戶端使用weblogic的ant任務clientgen生成。但是當我使用客戶端時，發生以下異常：在Weblogic 9.2中調用webservice時出現NullPointerException
java.lang.ExceptionInInitializerError
at com.bea.xbean.xb.xsdschema.SchemaDocument$Factory.parse(SchemaDocument.java:799)
at weblogic.wsee.wsdl.WsdlSchema.parse(WsdlSchema.java:104)
at weblogic.wsee.wsdl.WsdlSchema.parse(WsdlSchema.java:73)
at weblogic.wsee.wsdl.WsdlTypes.parse(WsdlTypes.java:165)
at weblogic.wsee.wsdl.WsdlDefinitions.parseChild(WsdlDefinitions.java:480)
at weblogic.wsee.wsdl.WsdlExtensible.parse(WsdlExtensible.java:98)
at weblogic.wsee.wsdl.WsdlDefinitions.parse(WsdlDefinitions.java:428)
at weblogic.wsee.wsdl.WsdlDefinitions.parse(WsdlDefinitions.java:385)
at weblogic.wsee.wsdl.WsdlFactory.parse(WsdlFactory.java:78)
at weblogic.wsee.wsdl.WsdlFactory.parse(WsdlFactory.java:65)
at weblogic.wsee.jaxrpc.ServiceImpl.loadWsdlDefinition(ServiceImpl.java:437)
at weblogic.wsee.jaxrpc.ServiceImpl.<init>(ServiceImpl.java:108)
[...]
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:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:232)
at junit.framework.TestSuite.run(TestSuite.java:227)
at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)
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)
Caused by: java.lang.NullPointerException
at com.bea.xml.XmlBeans.typeSystemForClassLoader(XmlBeans.java:769)
at com.bea.xbean.xb.xsdschema.SchemaDocument.<clinit>(SchemaDocument.java:19)
... 36 more
有人知道可能是什麼問題嗎？
ExceptionInInitializerError表示在靜態初始化程序中發生意外的異常。拋出ExceptionInInitializerError來指示在評估靜態初始化程序或靜態變量的初始化程序期間發生異常。你有代碼在哪裏發生？ – 2010-04-08 17:47:50
我沒有代碼，這發生在來自weblogic服務器（xbean.jar）的庫中。在XmlBeans.typeSystemForClassLoader（ClassLoader，String）方法中，發生NPE，因爲第一個參數爲null。這是我迄今發現的。 – Christian 2010-04-08 18:07:56