com.ctc.wstx.exc.WstxParsingException: Illegal processing instruction target ("xml"); xml (case insensitive) is reserved by the

利用axis2开发web services，碰到这样一个错误com.ctc.wstx.exc.WstxParsingException: Illegal processing instruction target ("xml"); xml (case insensitive) is reserved by the specs.
 at [row,col {unknown-source}]: [17,5]，弄了好久，最后发现是没找到对应的web服务，查看一下拼写该服务的url是否填写正确，然后修改了一下，问题得到解决。