Run command
 ant -f build.xml dist
 
You can regenerate the JAR files with the following steps 
 Run the ant file located in nehta-vendorlibrary-java-hiclient-wsdl-1.2.0 folder. [ "ant clean" followed by "ant dist" ]
	(or)
 Optionally you can customize/redirect the generated Java artefacts to custom package/s names using the following steps.
    i)  Update/Add JaxB custom binding  file/s to customise the generated schema class package names. 
	    [Refer: ihiSearchJaxbBindings.xml, searchHpiiJaxbBindings.xml, searchHpiiJaxbBindings.xml,
	    createUnverifiedIHIJaxbBindings.xml orreadReferenceDataJaxbBindings  under
	    nehta-vendorlibrary-java-hiclient-wsdl-1.2.0/binding folder]
    ii)  Redirect class files to custom package/s using nehta-vendorlibrary-java-hiclient-wsdl-1.2.0/build.properties
    settings. [Example: ihisearch.consumer.tls.packageName='au.net.electronichealth.ns.hi.svc.consumersearchihi._3_0'].
    iii) Clean the existing artefacts by running ant clean [build.xml from  MCAWsdlWsimpot ]
    iv)  Run ant followed by default 'dist' target using this command "ant -f build.xml dist"