Oleg Ignatenko created IGNITE-9721:
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Summary: NPE in
IgniteAuthenticationProcessor$RefreshUsersStorageWorker.body
Key: IGNITE-9721
URL: https://issues.apache.org/jira/browse/IGNITE-9721
Project: Ignite
Issue Type: Bug
Affects Versions: 2.6
Reporter: Oleg Ignatenko
Tests at Teamcity sometimes fail with NPE in {{IgniteAuthenticationProcessor}}.
Example of failure (in test
{{AuthenticationProcessorNodeRestartTest.test1kUsersNodeRestartServer}}) is
[here|https://ci.ignite.apache.org/viewLog.html?buildId=1945459&tab=buildResultsDiv&buildTypeId=IgniteTests24Java8_Cache7],
and stacktrace looks as follows:
{noformat}[2018-09-26
07:06:36,732][ERROR][auth-#6589%authentication.AuthenticationProcessorNodeRestartTest0%][IgniteAuthenticationProcessor]
Runtime error caught during grid runnable execution: GridWorker
[name=refresh-store,
igniteInstanceName=authentication.AuthenticationProcessorNodeRestartTest0,
finished=false, heartbeatTs=1537945595104, hashCode=733597684,
interrupted=true,
runner=auth-#6589%authentication.AuthenticationProcessorNodeRestartTest0%]
java.lang.NullPointerException
at
org.apache.ignite.internal.processors.authentication.IgniteAuthenticationProcessor$RefreshUsersStorageWorker.body(IgniteAuthenticationProcessor.java:1346)
at
org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748){noformat}
This might be either coding error (missing null check) or data race.
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