[HADOOP-13001] RetryPolicies$RetryUpToMaximumTimeWithFixedSleep raises division by zero exception if the sleep time is 0, even if max wait == 0

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.7.2
• Component/s: ipc
• Assignee: Unassigned
• Reporter: Steve Loughran
• Created: 04/Apr/16 18:20
• Updated: 22/Apr/16 05:16

Description

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

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)

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