Helen Holzbaur
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Articles
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Replace Expired System Token
Problem System token has expired so Okera cluster is not functioning Answer Earlier documention using okctl has been deprecated. Follow the documentation found here. To summarize: Generate a val...
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DDL Error: Failed to load metadata for table
Problem DDL fails to load metadata. Planner log shows an error similar to AnalysisException: Failed to load metadata for table: DB.TB\nCAUSED BY: TableLoadingException: Failed to load metadata fo...
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User cannot access view (“Unable to get table schema”)
Problem User cannot access data from an EXTERNAL view without permissions on the underlying table Answer This is expected behavior as Okera does not manage the permissions on external data. To gr...
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Okera Response to CVE-2021-44228
Updates Mon Dec 20 19:36 EST 2021 Final update: We have now released version 2.8.2 in addition to versions 2.3.10, 2.5.9, 2.6.7, and 2.7.7. These releases upgrade log4j to version 2.16. We recomme...
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Masked Columns are Displaying Data
Problem Okera is displaying data in masked columns for catalog admins Answer This is expected behavior. The catalog admin can see all data so masking rules do not apply. To confirm masking is wor...
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Show Full Spark Query in Okera Audit Logs
Problem When running a query in Databricks, the full Spark query does not appear in the Okera audit logs. Answer There are two configuration parameters that are required. Server: audit_requ...
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Presto Client and JDK 11 with Okera Presto Endpoint
Problem Presto client performance has degraded after upgrade. Answer Third party BI tools often bundle the JDK with their product. If the upgraded client now includes JDK 11.0 or higher, the HTTP...
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Processing Audit Logs
Problem We would like to identify the usage pattern for the Okera objects like databases, tables, and views for given period of time and export them in csv format. Answer The Okera docs (https:...
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Could not execute ddl...because its length is longer than the max supported length (64)
Problem DDL operations on table generate an error message. code=INVALID_REQUEST msg=Could not execute ddl. detail=AnalysisException: Cannot grant to table '<DB>.<TB> because its length is longer...
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Binary Data Types stored as String
Problem User creates a table with a column defines as type BINARY data type, but describe formatted displays the column as type STRING Answer BINARY and STRING are aliases so they are stored the ...