Pete Vander Giessen created BIGTOP-2519:
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Summary: JAVA_HOME not detected correctly for openjdk 8
Key: BIGTOP-2519
URL: https://issues.apache.org/jira/browse/BIGTOP-2519
Project: Bigtop
Issue Type: Bug
Components: hadoop
Affects Versions: 1.1.0
Reporter: Pete Vander Giessen
Assignee: Pete Vander Giessen
Priority: Minor
Fix For: 1.2.0
I'm running into an issue where the hadoop namenode fails to start hdfs when
using openjdk 8. It appears to be because the namenode scripts rely on the
bigtop-detect-javahome script in bigtop_utils, which doesn't detect JAVA_HOME
correctly for openjdk 8.
I'd like to modify the script so that it first tries to figure out java home by
looking in /etc/alternatives and deriving JAVA_HOME from the symlink to the
java executable. This should work on both Redhat and Debian based distros, in a
forwards compatible way. The script would fall back to the more manual process
for distros that don't use /etc/alternatives.
Will submit a patch soon ....
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