webservice 调用报错 400

我的调用的方法是这样的，为什么执行完之后报400错误，求高手指点：

String url = "http://10.10.30.12:50000/dir/wsdl?p=sa/cea12ef812243d8cac57203bb509d6fb";
String method = "OI_EOS2SAP_Report_REQ";

Service service = new Service();
Call call = (Call) service.createCall();

call.setTargetEndpointAddress(new java.net.URL(url));
call.setoperationName(method);

call.setUsername("DRPSOAP");
call.setPassword("DRPSOAP");

String[] strs = new String[] {"1","2"};

List return_value = (List) call.invoke(strs);

参数是随意些的，应该不影响

异常：

Exception in thread "main" AxisFault

faultCode: {http://xml.apache.org/axis/}HTTP faultSubcode: faultString: (400)Bad Request faultActor: faultNode: faultDetail: {}:return code: 400 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>Error Report</title> <style> td {font-family : Arial,Tahoma,Helvetica,sans-serif; font-size : 14px;} A:link {color : #0059AA;} A:visited {color : #999999;} A:active {color : #999999;} </style> </head> <body marginwidth="0" marginheight="0" leftmargin="0" topmargin="0" rightmargin="0"> <table width="100%" cellspacing="0" cellpadding="0" border="0" align="left" height="75"> <tr bgcolor="#FFFFFF"> <td align="left" colspan="2" height="48">&nbsp;&nbsp;400 &nbsp Bad Request</td> </tr> <tr bgcolor="#3F73A3"> <td height="23" width="84"><img width=1 height=1 border=0 alt=""></td> <td height="23"><img width=1 height=1 border=0 alt=""></td> <td align="right" height="23">SAP Netweaver Application Server / AS Java&nbsp;</td> </tr> <tr bgcolor="#9DCDFD"> <td height="4" colspan="3"><img width=1 height=1 border=0 alt=""></td> </tr> </table> &nbsp;&nbsp;Error: HTTP method POST is not supported by this URL&nbsp;&nbsp;Troubleshooting Guide <a href="https://sdn.sap.com/irj/sdn/wiki?path=/display/JSTS/Home">https://sdn.sap.com/irj/sdn/wiki?path=/display/JSTS/Home</a> <table><tr><td valign="top">&nbsp;Details:</td><td valign="top"><PRE>No details available</PRE></td></tr></table> </body> </html> {http://xml.apache.org/axis/}HttpErrorCode:400 (400)Bad Request at org.apache.axis.transport.http.HTTPSender.readFromSocket(HTTPSender.java:744) at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:144) at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32) at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118) at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83) at org.apache.axis.client.AxisClient.invoke(AxisClient.java:165) at org.apache.axis.client.Call.invokeEngine(Call.java:2784) at org.apache.axis.client.Call.invoke(Call.java:2767) at org.apache.axis.client.Call.invoke(Call.java:2443) at org.apache.axis.client.Call.invoke(Call.java:2366) at org.apache.axis.client.Call.invoke(Call.java:1812) at axis.Test.get_webser(Test.java:48) at axis.Test.main(Test.java:25)

webservice 调用报错 400

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