Thank you Kondaswamy!
I tried but am still getting an error. we have been trying to resolve this issue for more than week now but no luck... please HELP~!!
below are settings of SoapUI-5.2.1.vmoptions
-XX:MinHeapFreeRatio=20
-XX:MaxHeapFreeRatio=40
-Xms128m
-Xmx1000m
-Dsoapui.properties=soapui.properties
-Dsoapui.home=C:\Program Files (x86)\SmartBear\SoapUI-5.2.1/bin
-Dsoapui.ext.libraries=C:\Program Files (x86)\SmartBear\SoapUI-5.2.1/bin/ext
-Dsoapui.ext.listeners=C:\Program Files (x86)\SmartBear\SoapUI-5.2.1/bin/listeners
-Dsoapui.ext.actions=C:\Program Files (x86)\SmartBear\SoapUI-5.2.1/bin/actions
-Dwsi.dir=C:\Program Files (x86)\SmartBear\SoapUI-5.2.1/wsi-test-tools
-Djava.library.path=C:\Program Files (x86)\SmartBear\SoapUI-5.2.1/bin
-Djava.util.Arrays.useLegacyMergeSort=true
-splash:SoapUI-Spashscreen.png
-Dsun.security.ssl.allowUnsafeRenegotiation=true
-Dsoapui.https.protocols=SSLv3,TLSv1.0