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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13001) RetryPolicies$RetryUpToMaximumTimeWithFixedSleep raises division by zero exception if the sleep time is 0, even if max wait == 0
Date Mon, 04 Apr 2016 18:21:25 GMT
Steve Loughran created HADOOP-13001:
---------------------------------------

             Summary: RetryPolicies$RetryUpToMaximumTimeWithFixedSleep raises division by
zero exception if the sleep time is 0, even if max wait == 0
                 Key: HADOOP-13001
                 URL: https://issues.apache.org/jira/browse/HADOOP-13001
             Project: Hadoop Common
          Issue Type: Bug
          Components: ipc
    Affects Versions: 2.7.2
            Reporter: Steve Loughran
            Priority: Trivial


set YARN RM max wait and retry intervals to 0, try to talk to an RM, get an arithmetic exception

{code}
Caused by: java.lang.ArithmeticException: / by zero
        at org.apache.hadoop.io.retry.RetryPolicies$RetryUpToMaximumTimeWithFixedSleep.<init>(RetryPolicies.java:265)
        at org.apache.hadoop.io.retry.RetryPolicies.retryUpToMaximumTimeWithFixedSleep(RetryPolicies.java:89)
        at org.apache.hadoop.yarn.client.RMProxy.createRetryPolicy(RMProxy.java:237)
        at org.apache.hadoop.yarn.client.RMProxy.createRMProxy(RMProxy.java:91)
        at org.apache.hadoop.yarn.client.ClientRMProxy.createRMProxy(ClientRMProxy.java:72)
        at org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.serviceStart(YarnClientImpl.java:188)
        at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
        at org.apache.spark.deploy.history.yarn.server.YarnHistoryProvider.initYarnClient(YarnHistoryProvider.scala:931)
        at org.apache.spark.deploy.history.yarn.server.YarnHistoryProvider.init(YarnHistoryProvider.scala:296)
{code}

I'd have expected the code to recognise the caller is saying "don't retry", but clearly not




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