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https://issues.apache.org/jira/browse/SPARK-24448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16497548#comment-16497548
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Saisai Shao commented on SPARK-24448:
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Does it only happen in standalone cluster mode, have you tried client mode?
> File not found on the address SparkFiles.get returns on standalone cluster
> --------------------------------------------------------------------------
>
> Key: SPARK-24448
> URL: https://issues.apache.org/jira/browse/SPARK-24448
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.2.1
> Reporter: Pritpal Singh
> Priority: Major
>
> I want to upload a file on all worker nodes in a standalone cluster and
> retrieve the location of file. Here is my code
>
> val tempKeyStoreLoc = System.getProperty("java.io.tmpdir") + "/keystore.jks"
> val file = new File(tempKeyStoreLoc)
> sparkContext.addFile(file.getAbsolutePath)
> val keyLoc = SparkFiles.get("keystore.jks")
>
> SparkFiles.get returns a random location where keystore.jks does not exist. I
> submit the job in cluster mode. In fact the location Spark.Files returns does
> not exist on any of the worker nodes (including the driver node).
> I observed that Spark does load keystore.jks files on worker nodes at
> <SPARK_HOME>/work/<app_id>/<partition_id>/keystore.jks. The partition_id
> changes from one worker node to another.
> My requirement is to upload a file on all nodes of a cluster and retrieve its
> location. I'm expecting the location to be common across all worker nodes.
>
>
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