Stack trace is lost upon JAXB error

[jochenberger]

In

sardine/src/main/java/com/github/sardine/impl/handler/MultiStatusResponseHandler.java

Line 56 in 535ac5d

throw new SardineException(e.getMessage(), statusLine.getStatusCode(), statusLine.getReasonPhrase());

, the original exception trace is lost. That makes it hard to debug the cause.
The only information I can get here is an error message: "com.github.sardine.impl.SardineException: Not a valid DAV response (207 Multistatus)".