FAQ
Allow overwrite of HADOOP_CLASSPATH and HADOOP_OPTS
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Key: HADOOP-7626
URL: https://issues.apache.org/jira/browse/HADOOP-7626
Project: Hadoop Common
Issue Type: Improvement
Components: scripts
Affects Versions: 0.20.205.0
Environment: Java, Linux
Reporter: Eric Yang
Assignee: Eric Yang
Fix For: 0.20.205.0


Quote email from Ashutosh Chauhan:

bq. There is a bug in hadoop-env.sh which prevents hcatalog server to start in secure settings. Instead of adding classpath, it overrides them. I was not able to verify where the bug belongs to, in HMS or in hadoop scripts. Looks like hadoop-env.sh is generated from hadoop-env.sh.template in installation process by HMS. Hand crafted patch follows:

bq. - export HADOOP_CLASSPATH=$f
bq. +export HADOOP_CLASSPATH=${HADOOP_CLASSPATH}:$f

bq. -export HADOOP_OPTS="-Djava.net.preferIPv4Stack=true "
bq. +export HADOOP_OPTS="${HADOOP_OPTS} -Djava.net.preferIPv4Stack=true "


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