Oleksandr Shevchenko created YARN-8096:
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Summary: Wrong condition in AmIpFilter#getProxyAddresses() to
update the proxy IP list
Key: YARN-8096
URL: https://issues.apache.org/jira/browse/YARN-8096
Project: Hadoop YARN
Issue Type: Bug
Affects Versions: 3.0.0
Reporter: Oleksandr Shevchenko
In AmIpFilter#getProxyAddresses() we have the following condition:
long now = System.currentTimeMillis();
if (proxyAddresses == null || (lastUpdate + UPDATE_INTERVAL) >= now) {
//update RM address
}
By design, the address should be updated if the last update was more then 5 min
ago. But as we see this condition is wrong.
Currently, RM address updates permanently. But after 5 minutes after the last
update, RM address will never be updated again. As a result, we are always
redirected to the failed page that was added by YARN-4767, even if a network
issue is resolved now.
So, we should change this condition to:
if (proxyAddresses == null || (lastUpdate + UPDATE_INTERVAL) <= now) {
//update RM address
}
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