[jira] [Commented] (NIFI-5876) PutHDFS executes with SUCESS, although exception in logs and no file saved.

["Jan-Henrik Preuss (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-5876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16712494#comment-16712494 ] 

Jan-Henrik Preuss commented on NIFI-5876:
-----------------------------------------

[~sivaprasanna] What is with the main issue "PutHDFS executes with SUCESS" although the put failed, which is caused by the bad path?

Don't you think this needs to be addressed?

> PutHDFS executes with SUCESS, although exception in logs and no file saved.
> ---------------------------------------------------------------------------
>
>                 Key: NIFI-5876
>                 URL: https://issues.apache.org/jira/browse/NIFI-5876
>             Project: Apache NiFi
>          Issue Type: Bug
>    Affects Versions: 1.7.1
>         Environment: NiFi on Windows 10
>            Reporter: Jan-Henrik Preuss
>            Priority: Minor
>              Labels: windows
>             Fix For: 1.8.0
>
>
> Issue:
>  PutHDFS executes with SUCESS, although exception in logs and no file saved.
> Solution:
>  Propagate exception to UI (with FAILURE status).
> Steps to reproduce
>  # This error applies to an installation of Nifi on a MS Windows system
>  # Make your own application properties file (e.g. myapp-nifi.properties) and link it in the main nifi.properties file (with property “nifi.variable.registry.properties=<mypath>/myapp-nifi.properties”)
>  # Enter a new property “hadoop_conf=C:\bin\hadoop-2.7.1\etc\hadoop\core-site.xml,C:\bin\hadoop-2.7.1\etc\hadoop\hdfs-site.xml” in myapp-nifi.properties (Hadoop is installed in the corresponding directory)
>  # The backslashes of the directory path of the configuration are the important thing to look at
>  # Restart Nifi to take the configuration change into account
>  # Open the properties configuration of the PutHDFS processor
>  # Set the " Hadoop Configuration Resources" to the variable key of the external property: ${hadoop_conf}.
>  # Execute the flow/processor with some path and filename to put into HDFS.
>  # Processor executes with SUCCESS
>  # Log file shows "java.lang.reflect.InvocationTargetException: null"
>  # No file is written into HDFS
> Example external properties file:
>  hadoop_conf=C:\bin\hadoop-2.7.1\etc\hadoop\core-site.xml,C:\bin\hadoop-2.7.1\etc\hadoop\hdfs-site.xml
> Setting the path value directly in the PutHDFS processor with the "\" path can be used and executes correct (no error, file is stored in HDFS).
> Workaround:
>  Replace windows backslah "\" with "/" in the external property file (e.g. hadoop_conf=C:/bin/hadoop-2.7.1/etc/hadoop/core-site.xml,C:/bin/hadoop-2.7.1/etc/hadoop/hdfs-site.xml).



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