[Backlogmanager] [FIWARE-JIRA] (HELP-13359) [fiware-stackoverflow] Hive on Cosmos global instance return error code 12 in Java client

[Fernando Lopez (JIRA)]

     [ https://jira.fiware.org/browse/HELP-13359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fernando Lopez deleted HELP-13359:
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> [fiware-stackoverflow] Hive on Cosmos global instance return error code 12 in Java client
> -----------------------------------------------------------------------------------------
>
>                 Key: HELP-13359
>                 URL: https://jira.fiware.org/browse/HELP-13359
>             Project: Help-Desk
>          Issue Type: Monitor
>            Reporter: Backlog Manager
>              Labels: fiware
>
> Created question in FIWARE Q/A platform on 29-06-2015 at 12:06
> {color: red}Please, ANSWER this question AT{color} https://stackoverflow.com/questions/31112863/hive-on-cosmos-global-instance-return-error-code-12-in-java-client
> +Question:+
> Hive on Cosmos global instance return error code 12 in Java client
> +Description:+
> I recently developed a Java client which allow me to query my Hive  tables from a simple url . 
> Unfortunately , since last Thursday the queries seems to have some issues . From time to time , my query which worked before , doesn't return me anything . 
> So I decided to take a look at my logs,  and everytime I do a query this occur :
>   java.sql.SQLException: Query returned non-zero code: 12, cause: FAILED: Hive Internal Error: java.lang.RuntimeExcep
>   tion(org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot create
>    directory /tmp/hive-root/hive_2015-06-29_09-19-53_268_7855618362212093455. Name node is in safe mode.
>   Resources are low on NN. Safe mode must be turned off manually.
> I think the issue come from the node itself , because I didn't do any changes on my code or in my hive tables . What do you think the problem come from ? And what can I do to resolve it ? 
> Thank you for your reading my question .



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