[HADOOP-12467] Respect user-defined JAVA_LIBRARY_PATH in Windows Hadoop scripts

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.6.0
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: scripts
• Labels: JAVA_LIBRARY_PATH Windows
• Hadoop Flags: Reviewed
• Assignee: Radhey Shah
• Reporter: Radhey Shah
• Created: 08/Oct/15 22:19
• Updated: 30/Aug/16 01:22
• Resolved: 23/Nov/15 00:07

Description

Currently, on Windows the hadoop wrapper script (hadoop-config.cmd) assumes its the only place that uses JAVA_LIBRARY_PATH and initializes it to a blank line.

set JAVA_LIBRARY_PATH=

This prevents anyone from setting this outside of the hadoop wrapper (say hadoop-config.cmd) for their own native libraries.

The fix is pretty simple. Don't initialize it to '' and append the native libs like normal.

This is the same fix that was done for *nix as part of HADOOP-6453.

Issue Links

• is related to: HADOOP-6453 Hadoop wrapper script shouldn't ignore an existing JAVA_LIBRARY_PATH