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Posted to issues@flink.apache.org by lw-lin <gi...@git.apache.org> on 2016/09/27 14:17:07 UTC

[GitHub] flink pull request #2556: [FLINK-4573] Fix potential resource leak due to un...

GitHub user lw-lin opened a pull request:

    https://github.com/apache/flink/pull/2556

    [FLINK-4573] Fix potential resource leak due to unclosed RandomAccess\u2026

    \u2026File in TaskManagerLogHandler
    
    --
    
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    If your changes take all of the items into account, feel free to open your pull request. For more information and/or questions please refer to the [How To Contribute guide](http://flink.apache.org/how-to-contribute.html).
    In addition to going through the list, please provide a meaningful description of your changes.
    
    - [ ] General
      - The pull request references the related JIRA issue ("[FLINK-XXX] Jira title text")
      - The pull request addresses only one issue
      - Each commit in the PR has a meaningful commit message (including the JIRA id)
    
    - [ ] Documentation
      - Documentation has been added for new functionality
      - Old documentation affected by the pull request has been updated
      - JavaDoc for public methods has been added
    
    - [ ] Tests & Build
      - Functionality added by the pull request is covered by tests
      - `mvn clean verify` has been executed successfully locally or a Travis build has passed

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

    $ git pull https://github.com/lw-lin/flink raf-close

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

    https://github.com/apache/flink/pull/2556.patch

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

    This closes #2556
    
----
commit 8ec0dfae40c7b06e01e57260d16d6256f885f4e6
Author: Liwei Lin <lw...@gmail.com>
Date:   2016-09-27T12:49:52Z

    [FLINK-4573] Fix potential resource leak due to unclosed RandomAccessFile in TaskManagerLogHandler

----


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[GitHub] flink pull request #2556: [FLINK-4573] Fix potential resource leak due to un...

Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:

    https://github.com/apache/flink/pull/2556


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[GitHub] flink pull request #2556: [FLINK-4573] Fix potential resource leak due to un...

Posted by lw-lin <gi...@git.apache.org>.
Github user lw-lin commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2556#discussion_r80947439
  
    --- Diff: flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/TaskManagerLogHandler.java ---
    @@ -210,7 +210,17 @@ public void onSuccess(Object filePathOption) throws Throwable {
     							LOG.error("Displaying TaskManager log failed.", e);
     							return;
     						}
    -						long fileLength = raf.length();
    +						long fileLength;
    +						try {
    +							fileLength = raf.length();
    +						} catch (IOException ioe) {
    +							display(ctx, request, "Displaying TaskManager log failed.");
    +							LOG.error("Displaying TaskManager log failed.", ioe);
    +							if (raf != null) {
    --- End diff --
    
    @zentol comments addressed; thanks!


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[GitHub] flink pull request #2556: [FLINK-4573] Fix potential resource leak due to un...

Posted by zentol <gi...@git.apache.org>.
Github user zentol commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2556#discussion_r80885477
  
    --- Diff: flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/TaskManagerLogHandler.java ---
    @@ -210,7 +210,17 @@ public void onSuccess(Object filePathOption) throws Throwable {
     							LOG.error("Displaying TaskManager log failed.", e);
     							return;
     						}
    -						long fileLength = raf.length();
    +						long fileLength;
    +						try {
    +							fileLength = raf.length();
    +						} catch (IOException ioe) {
    +							display(ctx, request, "Displaying TaskManager log failed.");
    +							LOG.error("Displaying TaskManager log failed.", ioe);
    +							if (raf != null) {
    --- End diff --
    
    this should never be false, as we would otherwise get an NPE and would never enter this block.


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[GitHub] flink pull request #2556: [FLINK-4573] Fix potential resource leak due to un...

Posted by zentol <gi...@git.apache.org>.
Github user zentol commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2556#discussion_r80885273
  
    --- Diff: flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/TaskManagerLogHandler.java ---
    @@ -210,7 +210,17 @@ public void onSuccess(Object filePathOption) throws Throwable {
     							LOG.error("Displaying TaskManager log failed.", e);
     							return;
     						}
    -						long fileLength = raf.length();
    +						long fileLength;
    +						try {
    +							fileLength = raf.length();
    +						} catch (IOException ioe) {
    +							display(ctx, request, "Displaying TaskManager log failed.");
    +							LOG.error("Displaying TaskManager log failed.", ioe);
    +							if (raf != null) {
    +								raf.close();
    +							}
    +							return;
    --- End diff --
    
    let's just re-throw the exception to retain current behavior.


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[GitHub] flink issue #2556: [FLINK-4573] Fix potential resource leak due to unclosed ...

Posted by StephanEwen <gi...@git.apache.org>.
Github user StephanEwen commented on the issue:

    https://github.com/apache/flink/pull/2556
  
    Merging this...


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[GitHub] flink issue #2556: [FLINK-4573] Fix potential resource leak due to unclosed ...

Posted by StephanEwen <gi...@git.apache.org>.
Github user StephanEwen commented on the issue:

    https://github.com/apache/flink/pull/2556
  
    I think this is good to merge...


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