Tomcati下使用webservice报错

javax.xml.transform.TransformerFactoryConfigurationError: Provider org.apache.xalan.processor.TransformerFactoryImpl could not be instantiated: java.lang.NullPointerException
	javax.xml.transform.TransformerFactory.newInstance(Unknown Source)
	org.codehaus.xfire.wsdl11.builder.SchemaSerializer.writeXml(SchemaSerializer.java:46)
	org.codehaus.xfire.wsdl11.builder.SchemaSerializer.marshall(SchemaSerializer.java:35)
	com.ibm.wsdl.xml.WSDLWriterImpl.printExtensibilityElements(Unknown Source)
	com.ibm.wsdl.xml.WSDLWriterImpl.printTypes(Unknown Source)
	com.ibm.wsdl.xml.WSDLWriterImpl.printDefinition(Unknown Source)
	com.ibm.wsdl.xml.WSDLWriterImpl.writeWSDL(Unknown Source)
	com.ibm.wsdl.xml.WSDLWriterImpl.writeWSDL(Unknown Source)
	org.codehaus.xfire.wsdl11.builder.WSDLBuilder.write(WSDLBuilder.java:182)
	org.codehaus.xfire.wsdl11.builder.WSDLBuilderAdapter.write(WSDLBuilderAdapter.java:40)
	org.codehaus.xfire.DefaultXFire.generateWSDL(DefaultXFire.java:104)
	org.codehaus.xfire.transport.http.XFireServletController.generateWSDL(XFireServletController.java:380)
	org.codehaus.xfire.transport.http.XFireServletController.doService(XFireServletController.java:125)
	org.codehaus.xfire.transport.http.XFireServlet.doGet(XFireServlet.java:107)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

这是由于jdk与tomcat之间的关于TransformerFactoryImpl类的冲突造成。

所以解决方法是：删除Tomcat目录下的【commonendorsed】文件夹中的那两个jar包，重新启动Tomcat就好了