Alan
- Total activity 389
- Last activity
- Member since
- Following 0 users
- Followed by 0 users
- Votes 46
- Subscriptions 166
Articles
Recent activity by Alan-
java.lang.ArithmeticException: / by zero Running Hive Data Link or Import
Problem Running a data link or import job against a specific HiveServer2 table throws the following error within the job.log: java.lang.ArithmeticException: / by zero Cause This is expected behavi...
-
How To Filter Out Any String That Contains Numeric Values
Problem In order to sanitize a specific string column of data, all values that contain numerics need to be handled. For example, abcdef is a valid value, while abc123 is an invalid value. Solutio...
-
Can't Rename Across Volumes, Falling Back on Copy/Delete Semantics
Problem After splitting the Datameer private folder into multiple volumes to handle an increasing inode count in MapRFS, the following message appears numerous times and causes the job to run for a...
-
Records Dropped From Hive Import - Invalid Record Source: org.apache.hadoop.io.ArrayWritable
Problem Running an import job results in records being dropped due to errors such as: !message:ErrorLogException: Invalid record source: org.apache.hadoop.io.ArrayWritable@68ebb8dd!Error Repeated:>...
-
Is There a Way to Enable Speculative Execution for Datameer Jobs?
Question According to Datameer's Checklist for Hadoop Administrators, speculative execution is disabled for all Datameer jobs. Is there a way to enable speculative execution? Solution No, Datameer...
-
After Enabling Native Multi User - Request Header Is Exceeded and Kerberos Ticket Is Lost.
Problem After enabling Native Multi User Impersonation, sometimes requests are failing stating that there are no valid credentials: Caused by: GSSException: No valid credentials provided (Mechanism...
-
Power BI Desktop Attempting to Parse Login Page Instead of Data After Supplying the Integration Link.
Problem Attempting to use a Datameer integration link with Microsoft Power BI Desktop doesn't allow data to be retrieved. After defining the integration URL, the Web View shows the Datameer login ...
-
How to Use Namespaces and XPaths to Parse XML on Ingest.
Goal Note, a defect was corrected in release 6.1.25 to correct XML namespace functionality. Releases prior to this will be unable to use the example below. This defect was corrected by internal pr...
-
"No Matches Found" in Table Drop-down During Data Link Creation
Problem After selecting a database during a Data Link creation, the Tables drop-down shows 'No Matches Found'. When attempting to access the database from the command line, you are able to list al...
-
Running upgrade_db.sh Fails on 6.4.2-DAP_34276
Problem Attempting to run upgrade_db.sh to update the dap database while upgrading from 6.4.x to 7.1.x returns the following error: Processing upgrade 6.4.2-DAP_34276 /opt/datameer/Datameer-7.1.2-...