OIM SOAP Error: Bad response: 404 Not Found from url http://:14000/reqsvc/reqsvc

Error
Oct 15, 2014 5:50:49 PM EDT> <Warning> <oracle.integration.platform.blocks.soap> <BEA-000000> <Unable to invoke endpoint URI "http://:14000/reqsvc/reqsvc" successfully due to: Unable to invoke endpoint URI "http://:14000/reqsvc/reqsvc" successfully due to: javax.xml.soap.SOAPException: javax.xml.soap.SOAPException: Bad response: 404 Not Found from url http://:14000/reqsvc/reqsvc>
<Oct 15, 2014 5:50:49 PM EDT> <Error> <oracle.soa.bpel.engine.ws> <BEA-000000> <got FabricInvocationException
javax.xml.soap.SOAPException: Bad response: 404 Not Found from url http://:14000/reqsvc/reqsvc
        at oracle.j2ee.ws.saaj.client.p2p.HttpSOAPConnection.processHttpResponseCode(HttpSOAPConnection.java:636)
        at oracle.j2ee.ws.saaj.client.p2p.HttpSOAPConnection.post2(HttpSOAPConnection.java:501)
        at oracle.j2ee.ws.saaj.client.p2p.HttpSOAPConnection$PrivilegedPost.run(HttpSOAPConnection.java:1287)
        at java.security.AccessController.doPrivileged(Native Method)
        at oracle.j2ee.ws.saaj.client.p2p.HttpSOAPConnection.call2(HttpSOAPConnection.java:229)
        at oracle.j2ee.ws.common.transport.HttpTransport.transmit(HttpTransport.java:75)
        at oracle.j2ee.ws.common.async.MessageSender.call(MessageSender.java:67)
        at oracle.j2ee.ws.common.async.Transmitter.transmitSync(Transmitter.java:134)
        at oracle.j2ee.ws.common.async.Transmitter.transmit(Transmitter.java:90)
        at oracle.j2ee.ws.common.async.RequestorImpl.transmit(RequestorImpl.java:273)


Solution: 

Deploy following jar on OIM server.

OIM_HOME/server/webapp/optional/reqsvc.ear.