SOLR-6380: Added missing context info to log message if IOException occurs in processing tlog (merge r1618272)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1618273 13f79535-47bb-0310-9956-ffa450edef68
Merged revision(s) 1618275 from lucene/dev/trunk:
SOLR-6382: Add Java9 fix for RAMUsageTester (SecurityException when trying to do reflection on Class class)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1618276 13f79535-47bb-0310-9956-ffa450edef68
Merged revision(s) 1618278 from lucene/dev/trunk:
LUCENE-5886: Improve Java version detection in Constants.java and common-build.xml, add Java 9 support

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1618280 13f79535-47bb-0310-9956-ffa450edef68