axis2 questions

[[p e r c e p t i c o n]]

can anyone help me understand these errors?

compile.src:
   [javac] Compiling 7 source files to C:\axis2-1.1.1\bin\build\classes
   [javac] C:\axis2-
1.1.1\bin\src\us\datacore\invisalign\DoctorLocatorServiceMessageReceiverInOut.java:47:cannot
find symbol
   [javac] symbol  : method *fromOM*(org.apache.axiom.om.OMElement,
java.lang.Class<us.datacore.invisalign.GetDoctor>,java.util.Map)
   [javac] location: class
us.datacore.invisalign.DoctorLocatorServiceMessageReceiverInOut (
us.datacore.invisalign.GetDoctor)
                                                                *fromOM*(
   [javac]                                                    ^
   [javac] C:\axis2-
1.1.1\bin\src\us\datacore\invisalign\DoctorLocatorServiceMessageReceiverInOut.java:55:cannot
find symbol
   [javac] symbol  : method toEnvelope(org.apache.axiom.soap.SOAPFactory,
us.datacore.invisalign.GetDoctorResponse,boolean)
   [javac] location: class
us.datacore.invisalign.DoctorLocatorServiceMessageReceiverInOut
   [javac]                                     envelope =
toEnvelope(getSOAPFactory(msgContext), param5, false);
   [javac]                                                ^


thanks