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Questions - hadoop

Receive Operation Not Permitted Error when starting HDFS

This is my first time setting up the Hadoop pseudo-distributed mode. I was able to follow my course instruction to install with no issue until the very last step to start up the nodes with this comman...
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Duyan Zhen

hadoop

hdfs

Votes: 0

Answers: 1

Latest Answer

Try to tick the sshd-keygen-wrapper in the Setting -> Security & Privacy -> Privacy -> Full Disk Access. I solved by above.
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Narwhallol

unable to create internal hive table

i am getting below error while trying to create hive internal table CREATE TABLE employee(id INT,Name STRING); FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. Met...
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Raja

hadoop

installation

hive

ubuntu-20.04

Votes: 0

Answers: 0

Exclude 1 or more column in Impala

can I exclude 1 or more column in Impala without specifying all the columns in table SELECT * [except columnA] FROM tableA
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jbest

hadoop

impala

Votes: 0

Answers: 1

Latest Answer

Why not create a view of the data without ColumnA? Then you can just keep using the data but not have to have the column included? It would require you to list all the Columns once, but after that y...
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Matt Andruff

Getting exception org.apache.hadoop.io.Text cannot be org.apache.hadoop.hive.serd2.io.TimestampWritable

Source hive table column is string type which has string date with timestamp . Target hive table column having timestamp datatype . while loading source hive to target hive table getting text can not ...
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Bikash ranjan Samal

hadoop

hive

Votes: 0

Answers: 0

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