[jira] [Updated] (NIFI-2859) List + Fetch HDFS processors are reading part files from HDFS

["Pierre Villard (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-2859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pierre Villard updated NIFI-2859:
---------------------------------
    Assignee: Pierre Villard
      Status: Patch Available  (was: Open)

> List + Fetch HDFS processors are reading part files from HDFS
> -------------------------------------------------------------
>
>                 Key: NIFI-2859
>                 URL: https://issues.apache.org/jira/browse/NIFI-2859
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>    Affects Versions: 1.0.0
>            Reporter: Mahesh Nayak
>            Assignee: Pierre Villard
>
> Create the following ProcessGroups
> GetFile --> PutHdfs --> PutFile
> ListHDFS --> FetchHdfs --> putFile
> 2. Now start both the processGroups
> 3. Write lots of files into HDFS so that ListHDFS keeps listing and FetchHdfs fetches.
> 4. An exception is thrown because the processor reads the part file from the putHdfs folder
> {code:none}
> java.io.FileNotFoundException: File does not exist: /tmp/HDFSProcessorsTest_visjJMcHORUwigw/.ycnVSpBOzEaoTWk_7f37d5af-d4a4-4521-b60d-c3c11ae19669
>         at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:71)
>         at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:61)
>         at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocationsInt(FSNamesystem.java:1860)
>         at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1831)
>         at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1744)
> {code}
> Note that eventually the file is copied to the output successfully, but at the same time there are some files in the failure/comms failure relationship



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