oleg-zinovev commented on a change in pull request #1446: DRILL-6349: Drill JDBC driver fails on Java 1.9+ with NoClassDefFoundError: sun/misc/VM URL: https://github.com/apache/drill/pull/1446#discussion_r214403360
########## File path: exec/java-exec/src/main/java/org/apache/drill/exec/planner/FileSystemPartitionDescriptor.java ########## @@ -180,7 +180,7 @@ protected void createPartitionSublists() { // build a list of DFSDirPartitionLocation. for (final List<String> dirs : dirToFileMap.keySet()) { - locations.add( new DFSDirPartitionLocation((String [])dirs.toArray(), dirToFileMap.get(dirs))); + locations.add( new DFSDirPartitionLocation(dirs.toArray(new String[dirs.size()]), dirToFileMap.get(dirs))); Review comment: https://bugs.java.com/view_bug.do?bug_id=6260652 Result type of Arrays.ArrayList::toArray() was changed from T[] to Object[] in JDK 9+. So, FileSystemPartitionDescriptor::createPartitionSublists() doesn't work if Drill running under JDK9+. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services