UIMA-4069 DUCC Job Driver (JD) system classpath

record user exceptions to jd.err.log

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1647827 13f79535-47bb-0310-9956-ffa450edef68
UIMA-4069 DUCC Job Driver (JD) system classpath

tidiness.

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1647830 13f79535-47bb-0310-9956-ffa450edef68