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Cancelled due to unreachable impalad(s)

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Cancelled due to unreachable impalad(s)

Rising Star

Hi, some external tables created by sqoop are not readable in Impala.

Even though the actual version (2.0) support gzip format, access (meaning selecting) external tables causes crash of several, sometimes all Impala daemons. In he ERROR log of the impalad is only errors related to Connection refuse

 

Cancelled due to unreachable impalad(s)

 

The cluster automaticly restores from this state and after a while the Impalad instances are up and running. But the query is not working. 

 

The interesting thing is, that this behaviour is only on external tables loaded by one specific user. I also tried to set access permissions on that users directory to +rwx, but didnt helped.

 

Can anybody help please with this?

 

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