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Posted to issues@carbondata.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2018/04/28 13:14:00 UTC

[jira] [Updated] (CARBONDATA-2372) Potential division by zero in InputProcessorStepForPartitionImpl#partitionInputReaderIterators

     [ https://issues.apache.org/jira/browse/CARBONDATA-2372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu updated CARBONDATA-2372:
-------------------------------
    Description: 
{code}
    int parallelThreadNumber = Math.min(inputIterators.length, numberOfCores);
{code}

parallelThreadNumber is later used in:
{code}
      iterators[i % parallelThreadNumber].add(inputIterators[i]);
{code}
We should check that parallelThreadNumber is not zero before the division.

  was:
{code}
    int parallelThreadNumber = Math.min(inputIterators.length, numberOfCores);
{code}
parallelThreadNumber is later used in:
{code}
      iterators[i % parallelThreadNumber].add(inputIterators[i]);
{code}
We should check that parallelThreadNumber is not zero before the division.


> Potential division by zero in InputProcessorStepForPartitionImpl#partitionInputReaderIterators
> ----------------------------------------------------------------------------------------------
>
>                 Key: CARBONDATA-2372
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-2372
>             Project: CarbonData
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Priority: Minor
>
> {code}
>     int parallelThreadNumber = Math.min(inputIterators.length, numberOfCores);
> {code}
> parallelThreadNumber is later used in:
> {code}
>       iterators[i % parallelThreadNumber].add(inputIterators[i]);
> {code}
> We should check that parallelThreadNumber is not zero before the division.



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