AxisFault: Did not understand "MustUnderstand" header(s)

[Manuel Nicolas Ortuño]

I have a client of web service that use axis api. When I call the service I get the exception   AxisFault  faultCode: {http://schemas.xmlsoap.org/soap/envelope/}MustUnderstand  faultSubcode:  faultString: Did not understand &quot;MustUnderstand&quot; header(s):  faultActor:  faultNode:  faultDetail:       {http://xml.apache.org/axis/}stackTrace:       at org.apache.axis.handlers.soap.MustUnderstandChecker.invoke(MustUnderstandChecker.java:96)       at org.apache.axis.client.AxisClient.invoke(AxisClient.java:206)       at org.apache.axis.client.Call.invokeEngine(Call.java:2765)       at org.apache.axis.client.Call.invoke(Call.java:2748)       at org.apache.axis.client.Call.invoke(Call.java:1902)       at es.carm.ctyc.wc.CSigepal.m1.main(m1.java:66)   Axis 1.2 j2sdk1.4.2_08   … Service service = new Service(); Call call = (org.apache.axis.client.Call) service.createCall(); … call.invoke…   I’d see xml that the service web return and the problem is <sap:Main xmlns:sap="…" versionMajor="3" versionMinor="0" SOAP:mustUnderstand="1"> With axis 1.1 not problem but with 1.2 throw exception Please help, how I solve this? Thx