hyeong jun yun created CURATOR-583:
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Summary: Fix ArrayIndexOutOfBoundsException when passing empty
list parameter to reconfigure API
Key: CURATOR-583
URL: https://issues.apache.org/jira/browse/CURATOR-583
Project: Apache Curator
Issue Type: Bug
Components: Framework
Affects Versions: 5.1.0
Reporter: hyeong jun yun
Whenever I add zookeeper servers by using reconfig API of the curator client,
it always throw ArrayIndexOutOfBoundsException.
If there are no servers to add or remove when using reconfigure API of
ZooKeeperAdmin, I think it must pass not empty list parameter but null to
reconfigure API. Because ZooKeeperAdmin tries to join strings by accessing
first index of the server list.
Please refer to the link below.
https://github.com/apache/zookeeper/blob/release-3.6.2/zookeeper-server/src/main/java/org/apache/zookeeper/admin/ZooKeeperAdmin.java#L267-L269
https://github.com/apache/zookeeper/blob/release-3.6.2/zookeeper-server/src/main/java/org/apache/zookeeper/common/StringUtils.java#L57
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