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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-17126) Errors setting driver classpath in spark-defaults.conf on Windows 7
Date Tue, 23 Aug 2016 12:42:20 GMT

    [ https://issues.apache.org/jira/browse/SPARK-17126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15432715#comment-15432715
] 

Sean Owen commented on SPARK-17126:
-----------------------------------

Hm, I am not sure that "*" works on any JVM. Maybe I'm missing a reason it works for the env
variable. But you would in general not specify it this way, which could be the problem. You
would also not in general set app jar dependencies this way, but rather build them into your
app.

> Errors setting driver classpath in spark-defaults.conf on Windows 7
> -------------------------------------------------------------------
>
>                 Key: SPARK-17126
>                 URL: https://issues.apache.org/jira/browse/SPARK-17126
>             Project: Spark
>          Issue Type: Question
>          Components: Spark Shell, SQL
>    Affects Versions: 1.6.1
>         Environment: Windows 7
>            Reporter: Ozioma Ihekwoaba
>
> I am having issues starting up Spark shell with a local hive-site.xml on Windows 7.
> I have a local Hive 2.1.0 instance on Windows using a MySQL metastore.
> The Hive instance is working fine.
> I copied over the hive-site.xml to my local instance of Spark 1.6.1 conf folder and also
copied over mysql-connector-java-5.1.25-bin.jar to the lib folder.
> I was expecting Spark to pick up jar files in the lib folder automatically, but found
out Spark expects a spark.driver.extraC‌​lassPath and spark.executor.extraClassPath settings
to resolve jars.
> Thing is this has failed on Windows for me with a DataStoreDriverNotFoundException saying
com.mysql.jdbc.Driver could not be found.
> Here are some of the different file paths I've tried:
> C:/hadoop/spark/v161/lib/mysql-connector-java-5.1.25-bin.jar;C:/hadoop/spark/v161/lib/commons-csv-1.4.jar;C:/hadoop/spark/v161/lib/spark-csv_2.11-1.4.0.jar
> ".;C:\hadoop\spark\v161\lib\*"
> ....NONE has worked so far.
> Please, what is the correct way to set driver classpaths on Windows?
> Also, what is the correct file path format on Windows?
> I have it working fine on Linux but my current engagement requires me to run Spark on
a Windows box.
> Is there a way for Spark to automatically resolve jars from the lib folder in all modes?
> Thanks.
> Ozzy



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