The following org.nuxeo.ecm.core.api.impl.blob.TestBlob#testInputStreamBlob test is failing under java 8:
When creating inputstream is:
The inputstream path is missing as attribute in java 8 whereas in java 7, the path is specified correctly.
Blobs are not null in both version. Just differing.
Finally, updating the file content to simple text as "test", resolve the issue. So definitely an encoding error.