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https://issues.apache.org/jira/browse/HIVE-7777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14132072#comment-14132072
]
Brock Noland commented on HIVE-7777:
------------------------------------
Hi,
This patch looks great! However, since the dependency is not specified here:
https://github.com/apache/hive/blob/trunk/ql/pom.xml#L563
I get the following error when using the serde:
{noformat}
Diagnostic Messages for this Task:
Error: java.lang.RuntimeException: java.lang.NoClassDefFoundError:
au/com/bytecode/opencsv/CSVReader
at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:195)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:430)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:163)
Caused by: java.lang.NoClassDefFoundError: au/com/bytecode/opencsv/CSVReader
at
org.apache.hadoop.hive.serde2.OpenCSVSerde.newReader(OpenCSVSerde.java:179)
at
org.apache.hadoop.hive.serde2.OpenCSVSerde.deserialize(OpenCSVSerde.java:147)
at
org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.readRow(MapOperator.java:155)
at
org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.access$200(MapOperator.java:128)
at
org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:509)
at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:177)
... 8 more
Caused by: java.lang.ClassNotFoundException: au.com.bytecode.opencsv.CSVReader
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 14 more
{noformat}
> add CSV support for Serde
> -------------------------
>
> Key: HIVE-7777
> URL: https://issues.apache.org/jira/browse/HIVE-7777
> Project: Hive
> Issue Type: Bug
> Components: Serializers/Deserializers
> Reporter: Ferdinand Xu
> Assignee: Ferdinand Xu
> Attachments: HIVE-7777.1.patch, HIVE-7777.2.patch, HIVE-7777.patch,
> csv-serde-master.zip
>
>
> There is no official support for csvSerde for hive while there is an open
> source project in github(https://github.com/ogrodnek/csv-serde). CSV is of
> high frequency in use as a data format.
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