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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-8037) Missing cast in integer arithmetic in TransactionalIdsGenerator#generateIdsToAbort
Date Fri, 22 Dec 2017 18:34:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-8037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16301773#comment-16301773

ASF GitHub Bot commented on FLINK-8037:

GitHub user greghogan opened a pull request:


    [FLINK-8037] Fix integer multiplication or shift implicitly cast to long

    ## What is the purpose of the change
    Fixes potential overflow flagged by the IntelliJ inspection "Integer multiplication or
shift implicitly cast to long".
    ## Brief change log
    - mark integer literal as long
    - cast multiplied integer to long
    ## Verifying this change
    This change is a trivial rework / code cleanup without any test coverage.
    ## Does this pull request potentially affect one of the following parts:
      - Dependencies (does it add or upgrade a dependency): (yes / **no**)
      - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes
/ **no**)
      - The serializers: (yes / **no** / don't know)
      - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know)
      - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing,
Yarn/Mesos, ZooKeeper: (yes / **no** / don't know)
      - The S3 file system connector: (yes / **no** / don't know)
    ## Documentation
      - Does this pull request introduce a new feature? (yes / **no)**
      - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/greghogan/flink 8037_fix_integer_multiplication_or_shift_implicitly_cast_to_long

Alternatively you can review and apply these changes as the patch at:


To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #5205
commit ec2f80c5e890dc52b715eeca719c911aaa75fb82
Author: Greg Hogan <code@...>
Date:   2017-12-21T17:45:54Z

    [FLINK-8037] Fix integer multiplication or shift implicitly cast to long


> Missing cast in integer arithmetic in TransactionalIdsGenerator#generateIdsToAbort
> ----------------------------------------------------------------------------------
>                 Key: FLINK-8037
>                 URL: https://issues.apache.org/jira/browse/FLINK-8037
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Greg Hogan
>            Priority: Minor
> {code}
>   public Set<String> generateIdsToAbort() {
>     Set<String> idsToAbort = new HashSet<>();
>     for (int i = 0; i < safeScaleDownFactor; i++) {
>       idsToAbort.addAll(generateIdsToUse(i * poolSize * totalNumberOfSubtasks));
> {code}
> The operands are integers where generateIdsToUse() expects long parameter.

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