E:\workspace\AM\AccessManagerService\nbproject\jaxws-build.xml:43: 
java.lang.NoSuchMethodError: com.sun.tools.xjc.reader.internalizer.DOMForest.setErrorHandler(Lcom/sun/tools/xjc/ErrorReceiver;)V
        at com.sun.tools.xjc.api.impl.s2j.SchemaCompilerImpl.resetSchema(SchemaCompilerImpl.java:205)
        at com.sun.tools.xjc.api.impl.s2j.SchemaCompilerImpl.<init>(SchemaCompilerImpl.java:104)
        at com.sun.tools.xjc.api.XJC.createSchemaCompiler(XJC.java:67)
        at com.sun.tools.ws.wscompile.WsimportOptions.<init>(WsimportOptions.java:100)
        at com.sun.tools.ws.wscompile.WsimportTool.<init>(WsimportTool.java:79)
        at com.sun.tools.ws.wscompile.WsimportTool.<init>(WsimportTool.java:82)
        at com.sun.tools.ws.ant.WsImport2.execute(WsImport2.java:658)
        at com.sun.istack.tools.ProtectedTask.execute(ProtectedTask.java:55)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
        at sun.reflect.GeneratedMethodAccessor53.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
        at org.apache.tools.ant.Task.perform(Task.java:348)
        at org.apache.tools.ant.Target.execute(Target.java:357)
        at org.apache.tools.ant.Target.performTasks(Target.java:385)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1189)
        at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:278)
        at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:498)
        at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:151)
看看怎么回事啊