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From "Hema Kumar S (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-1289) Creating storage plugin for "hdfs:///" failed with "Unable to create/ update plugin: myhdfs"
Date Thu, 19 Feb 2015 04:43:12 GMT

    [ https://issues.apache.org/jira/browse/DRILL-1289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14326988#comment-14326988
] 

Hema Kumar S commented on DRILL-1289:
-------------------------------------

I'm using Drill 0.7.0 and CDH 4.5

see my comment in 
https://issues.apache.org/jira/browse/DRILL-1075

> Creating storage plugin for "hdfs:///" failed with "Unable to create/ update plugin:
myhdfs"
> --------------------------------------------------------------------------------------------
>
>                 Key: DRILL-1289
>                 URL: https://issues.apache.org/jira/browse/DRILL-1289
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Metadata
>    Affects Versions: 0.4.0
>         Environment: OS: Centos 6.4
> HDFS: CDH5.1
> Drill: 0.4.0
>            Reporter: Hao Zhu
>             Fix For: 0.5.0
>
>
> In web GUI, I can successfully create a new storage plugin named "myhdfs" using "file:///":
> {code}
> {
>   "type": "file",
>   "enabled": true,
>   "connection": "file:///",
>   "workspaces": {
>     "root": {
>       "location": "/",
>       "writable": false,
>       "storageformat": null
>     },
>     "tmp": {
>       "location": "/tmp",
>       "writable": true,
>       "storageformat": "csv"
>     }
>   },
>   "formats": {
>     "psv": {
>       "type": "text",
>       "extensions": [
>         "tbl"
>       ],
>       "delimiter": "|"
>     },
>     "csv": {
>       "type": "text",
>       "extensions": [
>         "csv"
>       ],
>       "delimiter": ","
>     },
>     "tsv": {
>       "type": "text",
>       "extensions": [
>         "tsv"
>       ],
>       "delimiter": "\t"
>     },
>     "parquet": {
>       "type": "parquet"
>     },
>     "json": {
>       "type": "json"
>     }
>   }
> }
> {code}
> However if I try to change "file:///" to "hdfs:///" to point to HDFS other than local
file system, drill log errors out "[qtp416200645-67] DEBUG o.a.d.e.server.rest.StorageResources
- Unable to create/ update plugin: myhdfs".
> {code}
> {
>   "type": "file",
>   "enabled": true,
>   "connection": "hdfs:///",
>   "workspaces": {
>     "root": {
>       "location": "/",
>       "writable": false,
>       "storageformat": null
>     },
>     "tmp": {
>       "location": "/tmp",
>       "writable": true,
>       "storageformat": "csv"
>     }
>   },
>   "formats": {
>     "psv": {
>       "type": "text",
>       "extensions": [
>         "tbl"
>       ],
>       "delimiter": "|"
>     },
>     "csv": {
>       "type": "text",
>       "extensions": [
>         "csv"
>       ],
>       "delimiter": ","
>     },
>     "tsv": {
>       "type": "text",
>       "extensions": [
>         "tsv"
>       ],
>       "delimiter": "\t"
>     },
>     "parquet": {
>       "type": "parquet"
>     },
>     "json": {
>       "type": "json"
>     }
>   }
> }
> {code}
> On my cluster, I am using CDH5 hdfs, and it all client configurations are valid. For
example, on the drillbit server:
> {code}
> [root@hdm ~]# hdfs dfs -ls /
> Found 3 items
> drwxr-xr-x   - hbase hbase               0 2014-08-04 22:55 /hbase
> drwxrwxrwt   - hdfs  supergroup          0 2014-07-31 16:31 /tmp
> drwxr-xr-x   - hdfs  supergroup          0 2014-07-11 12:06 /user
> {code}
> Is there anything wrong with the storage plugin syntax for HDFS?
> If so, can drill log prints more debug info to show the reason why it failed?
> Thanks.



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