Phil Zampino created KNOX-1054:
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Summary: DefaultURLManager is not thread-safe
Key: KNOX-1054
URL: https://issues.apache.org/jira/browse/KNOX-1054
Project: Apache Knox
Issue Type: Bug
Components: Server
Affects Versions: 0.13.0
Reporter: Phil Zampino
Assignee: Phil Zampino
org.apache.hadoop.gateway.ha.provider.impl.DefaultURLManager is not thread-safe.
Currently, only the "write" methods are subject to locking. Apparently, there
are some assumptions being made about the behavior of the underlying
ConcurrentLinkedQueue.
For instance, if a thread is preempted in setActiveURL(String), and another
thread invokes getActiveURL(), the urls.peek() result could be incorrect.
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