如何解决这个AbstractMethodError？

Question

当我在蚂蚁中运行junit测试时，我得到了以下错误。 测试类需要调用Web服务API。

有人可以帮忙解决吗？

<error message="javax.xml.transform.TransformerFactory.setFeature(Ljava/lang/String;Z)V" type="java.lang.AbstractMethodError">java.lang.AbstractMethodError: javax.xml.transform.TransformerFactory.setFeature(Ljava/lang/String;Z)V
at com.sun.xml.ws.util.xml.XmlUtil.newTransformerFactory(XmlUtil.java:392)
at com.sun.xml.ws.util.xml.XmlUtil.newTransformerFactory(XmlUtil.java:400)
at com.sun.xml.ws.util.xml.XmlUtil.&lt;clinit&gt;(XmlUtil.java:233)
at com.sun.xml.ws.client.WSServiceDelegate.createCatalogResolver(WSServiceDelegate.java:377)
at com.sun.xml.ws.client.WSServiceDelegate.parseWSDL(WSServiceDelegate.java:363)
at com.sun.xml.ws.client.WSServiceDelegate.&lt;init&gt;(WSServiceDelegate.java:321)
at com.sun.xml.ws.client.WSServiceDelegate.&lt;init&gt;(WSServiceDelegate.java:230)
at com.sun.xml.ws.client.WSServiceDelegate.&lt;init&gt;(WSServiceDelegate.java:211)
at com.sun.xml.ws.client.WSServiceDelegate.&lt;init&gt;(WSServiceDelegate.java:207)
at com.sun.xml.ws.spi.ProviderImpl.createServiceDelegate(ProviderImpl.java:114)
at javax.xml.ws.Service.&lt;init&gt;(Service.java:77)
at com.citi.isg.amg.ws.client.AccountManagerWs.&lt;init&gt;(AccountManagerWs.java:42)
at ... ...