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impala error

impala error

New Contributor

i create a hbase table by hive,when i enter ‘show tables’ in impala-shell,it is ok.but when i enter 'select count(*) from usertable',there is the error:

"Failed to load metadata for table: usertable,

invalidate metadata usertable may resolve this problem

caused by NULLPointerException

"

but the table is exsist,and i excute 'invalidate metadata', it is the same error!

why? help me!

1 REPLY 1

Re: impala error

Master Guru
Can you see if your target ImpalaD and the CatalogServer logs have any exceptions/logs in them with a NullPointerException?