[jira] [Commented] (FLINK-8857) HBase connector read example throws exception at the end.

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-8857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16385823#comment-16385823 ] 

ASF GitHub Bot commented on FLINK-8857:
---------------------------------------

GitHub user neoremind opened a pull request:

    https://github.com/apache/flink/pull/5633

    [FLINK-8857] [Hbase] Avoid HBase connector read example throwing exception at the end

    ## What is the purpose of the change
    
    *This pull request fixes problem of HBase read example throwing exception at the end of the program execution.*
    
    
    ## Brief change log
    
      - *Update example `flink-hbase/src/test/java/org/apache/flink/addons/hbase/example/HBaseReadExample.java` by removing the part causing the problem.*
    
    
    ## 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): (no)
      - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no)
      - The serializers: (no)
      - The runtime per-record code paths (performance sensitive): (no)
      - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
      - The S3 file system connector: (no)
    
    ## Documentation
    
      - Does this pull request introduce a new feature? (no)
      - If yes, how is the feature documented? (not applicable)

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

    $ git pull https://github.com/neoremind/flink FLINK-8857

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

    https://github.com/apache/flink/pull/5633.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 #5633
    
----
commit 97c009a4d2308ad1da5629f9653bed9af352a8f7
Author: neoremind <xu...@...>
Date:   2018-03-05T08:50:37Z

    Avoid hbase connector read example throwing exception at the end.

----


> HBase connector read example throws exception at the end.
> ---------------------------------------------------------
>
>                 Key: FLINK-8857
>                 URL: https://issues.apache.org/jira/browse/FLINK-8857
>             Project: Flink
>          Issue Type: Bug
>          Components: Batch Connectors and Input/Output Formats
>    Affects Versions: 1.2.0, 1.3.2, 1.5.0, 1.4.1
>            Reporter: Xu Zhang
>            Priority: Trivial
>              Labels: easy-fix, starter
>
> Running test case example of
> {code:java}
> flink-hbase/src/test/java/org/apache/flink/addons/hbase/example/HBaseReadExample.java{code}
> Although the result has been printed out successfully, but at the end, driver will throw the following exception.
> {code:java}
> ------------------------------------------------------------
> The program finished with the following exception:
> org.apache.flink.client.program.ProgramInvocationException: The main method caused an error.
> at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:545)
> at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:419)
> at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:381)
> at org.apache.flink.client.CliFrontend.executeProgram(CliFrontend.java:838)
> at org.apache.flink.client.CliFrontend.run(CliFrontend.java:259)
> at org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1086)
> at org.apache.flink.client.CliFrontend$2.call(CliFrontend.java:1133)
> at org.apache.flink.client.CliFrontend$2.call(CliFrontend.java:1130)
> at org.apache.flink.runtime.security.HadoopSecurityContext$1.run(HadoopSecurityContext.java:43)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1656)
> at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:40)
> at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1130)
> Caused by: java.lang.RuntimeException: No new data sinks have been defined since the last execution. The last execution refers to the latest call to 'execute()', 'count()', 'collect()', or 'print()'.
> at org.apache.flink.api.java.ExecutionEnvironment.createProgramPlan(ExecutionEnvironment.java:1050)
> at org.apache.flink.api.java.ExecutionEnvironment.createProgramPlan(ExecutionEnvironment.java:1032)
> at org.apache.flink.client.program.ContextEnvironment.execute(ContextEnvironment.java:59)
> at org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:926)
> at com.hulu.ap.flink.scoring.pipeline.ScoringJob.main(ScoringJob.java:82)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:528)
> ... 13 more
> {code}
>  
>  



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)