SOA 12c : Deployment Error MDS-00039: error while attempting to parse the document .diagram.xml

If you are trying to deploy a recently changed service composite to Enterprise Manager and getting the below error:

Deploying on "/Domain/soa_domain/soa_server1" failed!
There was an error deploying the composite on soa_server1: oracle.mds.transfer.TransferException:
MDS-00001: exception in Metadata Services layer
oracle.mds.exception.MDSRuntimeException: MDS-00039: error while attempting to parse the document /deployed-composites/Test/TestBPEL_rev1.0/SCA-INF/TestBPEL.diagram.xml using SAX.
oracle.xml.parser.v2.XMLParseException; lineNumber: 1; columnNumber: 1; Start of root element expected.
MDS-00001: exception in Metadata Services layer:

Reason: The SCA-INF folder contents are stale.

Here is what you should do.

1. In JDeveloper navigate to your project, select it.
2. Under tab Build (Alt + B), select Clean project.jpr
3. Re-build your project/sar and deploy.

Helpful? Please Comment.

Happy Learning!!