what are the most common #Apache #Hive error messages

Some common error messages that you may encounter when working with #Apache #Hive:

1.       #ParseException: This error occurs when #Hive is unable to parse the #query due to syntax errors.

2.       #SemanticException: This error indicates that there is a semantic error in the query, such as a mismatched data type or an undefined table or column.

3.       #NoSuchObjectException: This error occurs when Hive cannot find the specified table or column in the database.

4.       #MetaException: This error indicates that there is an issue with the metadata of the table or column.

5.       #AuthorizationException: This error occurs when the user does not have the required privileges to perform the requested operation.

6.       #IOException: This error indicates that there was an issue reading or writing data, such as when the Hadoop file system is inaccessible.

7.       #ExecutionError: This error message is a generic message that indicates that the query failed due to an execution error.

8.       #OutOfMemoryError: This error indicates that Hive ran out of #memory while processing the query.

9.       "FAILED: SemanticException [Error 10001]: Table not found" - This error occurs when Hive is unable to find the table you are trying to query. This could be because the table has not been created or because you are using the wrong table name.

10.   "FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask" - This error occurs when there is an issue with the syntax or structure of your query. Check your syntax and ensure that your query is properly formatted.

11.   "FAILED: SemanticException [Error 10004]: Line X: Y Invalid table alias or column reference Y" - This error occurs when you reference a table or column that does not exist or is misspelled. Check your query for spelling errors and ensure that all table and column references are correct.

12.   "FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.MapRedTask" - This error occurs when there is an issue with the execution of your query. This could be due to a lack of resources or incorrect configuration settings.

13.   "FAILED: SemanticException [Error 10002]: Invalid column reference" - This error occurs when you reference a column that does not exist in the table. Check your query and ensure that all column references are correct.

14.   "FAILED: SemanticException [Error 10025]: Expression not in GROUP BY key" - This error occurs when you include an expression in your SELECT statement that is not included in the GROUP BY clause. Ensure that all expressions in the SELECT statement are included in the GROUP BY clause.

15.   "FAILED: RuntimeException java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient" - This error occurs when there is an issue with the configuration of your Hive metastore. Check your configuration settings and ensure that the metastore is properly configured.