Suggest that HADOOP_CLASSPATH should be preserved in hadoop-env.sh.template
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Key: HADOOP-6950
URL: https://issues.apache.org/jira/browse/HADOOP-6950
Project: Hadoop Common
Issue Type: Bug
Components: scripts
Reporter: Philip Zeyliger
Priority: Trivial
HADOOP_CLASSPATH tends to be used to add to bin/hadoop's classpath. Because of
the way the comment is written, administrator's who customize hadoop-env.sh
often inadvertently disable user's abilities to use it, by not including the
present value of the variable.
I propose we change the commented out suggestion code to include the present
value.
{noformat}
# Extra Java CLASSPATH elements. Optional.
-# export HADOOP_CLASSPATH=
+# export HADOOP_CLASSPATH="<extra_entries>:$HADOOP_CLASSPATH"
{noformat}
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