Bjorn Stange created ZOOKEEPER-2578:
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Summary: zkEnv.sh does not set $ZOOCFG properly if already set
Key: ZOOKEEPER-2578
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2578
Project: ZooKeeper
Issue Type: Bug
Affects Versions: 3.5.2, 3.5.1, 3.5.0, 3.4.9, 3.4.8, 3.4.7, 3.4.6, 3.4.5,
3.4.4, 3.3.6, 3.3.5, 3.4.3, 3.4.2, 3.4.1, 3.4.0, 3.3.4, 3.3.3, 3.3.2, 3.3.1,
3.3.0, 3.2.2, 3.2.1, 3.2.0, 3.2.3, 3.4.10
Reporter: Bjorn Stange
In bin/zkEnv.sh The ZOOCFG variable is duplicated over itself if already set.
For example, in my use case it was being set in zookeeper-env.sh. The problem
seems to arise from this line (line 61 on the master branch at the time of this
submission): ZOOCFG="$ZOOCFGDIR/$ZOOCFG". This overwrites the value of ZOOCFG
by appending the old value to the value of ZOOCFGDIR, which is problematic if
it was already initialized as the absolute path to a file. The behavior of
overwriting the value of the variable in this way seems to be specific to the
case where ZOOCFG is not initialized. The final state of ZOOCFG seemingly is
the absolute path to the zookeeper configuration file. This behavior assumes
that it is the filename only, which is where the bug arises.
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