Cloudera Docs

Known issues and limitations in Cloudera Data Visualization 8.1.1

Learn about the known issues and limitations that you might experience while using Cloudera Data Visualization. You can find information about the areas of impact, affected product versions, and possible workarounds.

Picklist in complex data types Show Selected unselects previous selections
Show selected in a filter list selection may not show all selections depending on the data type. A fix is expected in a future release.
Workaround
None
Versions affected
Cloudera Data Visualization 7.0.2 - 8.1.4
Fixed in version
N/A
Cloudera issue
VIZ-456
Inconsistent support for non-roman or character-based alphabets across visual types
Non-romanized or character-based alphabets are not consistently supported across various visual types. If not supported, the affected visual is not properly rendered in PDF/PNG downloads. CSV/Excel downloads and general dashboard viewing is available for all languages.

The following languages are not supported when using a table visual.

In Cloudera AI: In Cloudera Data Warehouse:
  • Amharic (Ethiopia)
  • Arabic (multiple countries)
  • Bengali (Bangladesh)
  • Berber (multiple countries)
  • Burmese (Myanmar)
  • Dari Pashto (Afghanistan)
  • Dzongkha (Bhutan)
  • Fijian (Fiji)
  • Georgian
  • Hebrew (Israel)
  • Khmer (Cambodia)
  • Lao
  • Malay (Brunei)
  • Many Indian languages
  • Nepalese (Nepal)
  • Persian (Iran)
  • Tamil (Malaysia, India, Singapore)
  • Thai (Thailand)
  • Urdu (Pakistan)
  • Amharic (Ethiopia)
  • Bengali (Bangladesh)
  • Burmese (Myanmar)
  • Dzongkha (Bhutan)
  • Fijian (Fiji)
  • Khmer (Cambodia)
  • Many Indian languages
  • Nepalese (Nepal)
  • Tamil (Malaysia, India, Singapore)
  • Thai (Thailand)
Workaround
None
Versions affected
Cloudera Data Visualization 7.0.2 - 8.1.4
Fixed in version
N/A
Cloudera issue
VIZ-984
Saved value does not show properly when arcapi is present
After the fix included for VIZ-1070, a known issue is still present when using arcapi.sendParameters with app-scope filters.
Workaround
None
Versions affected
Cloudera Data Visualization 7.0.2 - 8.1.4
Fixed in version
N/A
Cloudera issue
VIZ-1181
Selecting NULL values can cause ParseException syntax error from Cloudera Data Visualization 7.1.3
After upgrading to Cloudera Data Visualization 7.1.3 or later, selecting "NULL" values in filters may lead to a ParseException syntax error.
Workaround:
To resolve this issue, deselect the “NULL” value in the picklist filter.
Versions affected:
Cloudera Data Visualization 7.1.3 - 8.1.4
Fixed in version:
N/A
Cloudera issue:
VIZ-2224
Long-running queries cannot be canceled for some data connections

For data connections other than Hive or Impala, long-running queries cannot be canceled since they are run synchronously.

Workaround:

Restart the Cloudera Data Visualization application.

Versions affected:
All versions
Fixed in version:
N/A
Cloudera issue:
VIZ-2634
Data compatibility check does not work for SQL-based datasets that join on multiple tables

When importing in visual artifacts that use SQL-based datasets, the “data compatibility” check may fail with an “IndexError: list index out of range” error, if the dataset joins multiple tables.

Workaround:

Disable “Check data table compatibility” when importing in visual assets with complex queries.

Versions affected:
All versions
Fixed in version:
N/A
Cloudera issue:
VIZ-3121
Show Usage Info setting and Ctrl+Shift+G shortcut do not work on all pages

When the Show Usage Info site setting is enabled, the Profile Data modal does not open on certain pages. The Ctrl+Shift+G keyboard shortcut for viewing page profiles also does not work on those pages.

Workaround:
None
Versions affected:
Cloudera Data Visualization 7.0.4 and higher
Fixed in version:
N/A
Cloudera issue:
VIZ-3341
Time modeling does not work

Visuals configured with Time modeling do not animate over time as expected.

Workaround:
None
Versions affected:
Cloudera Data Visualization 8.1.4 and lower
Fixed in version:
N/A
Cloudera issue:
VIZ-3896
Scatter visual displays "NaN" or "undefined" during transition animation

When transition animation is enabled on a scatter visual, data labels may temporarily display "NaN" or "undefined" instead of numeric values while stepping through time frames. This issue affects only the label rendering; the underlying data remains correct.

Workaround:
None
Versions affected:
Cloudera Data Visualization 7.1.9 - 8.1.1
Fixed in version:
Cloudera Data Visualization 8.1.2
Cloudera issue:
VIZ-3962
Duplicate column names displayed for joined tables

In datasets that include joins, columns from joined tables may appear with duplicated names in dataset views and visual shelves. This issue occurs when using capitalized dataset names.

Workaround:
None
Versions affected:
Cloudera Data Visualization 8.1.1
Fixed in version:
Cloudera Data Visualization 8.1.2
Cloudera issue:
VIZ-3965
Show Data fails for unsaved dataset joins

When you add a join to a dataset and select Show Data before saving the dataset, an error is displayed. This issue occurs because the join is not yet persisted.

Workaround:

Save the dataset after adding a join before using Show Data.

Versions affected:
Cloudera Data Visualization 8.0.9 - 8.1.1
Fixed in version:
Cloudera Data Visualization 8.1.2
Cloudera issue:
VIZ-3981
Encryption issues with settings may render the UI unusable

If the secret key used for encrypting sensitive settings (such as data connection passwords, email credentials, and AI profile API keys) becomes mismatched with the encrypted values in the metadata database, a cryptography.fernet.InvalidToken error occurs and the UI becomes inaccessible, and you cannot correct the issue through the interface. This can happen when the .keys file in the .arc directory is deleted, replaced, or not restored alongside the metadata database during a backup, restore, or migration operation. This affects Cloudera AI and Cloudera Base on premises deployments.

Workaround:

Restore the original .keys file from the .arc directory to match the metadata database.

Versions affected:
Cloudera Data Visualization 8.1.0 - 8.1.1
Fixed in version:
Cloudera Data Visualization 8.1.2
Cloudera issue:
VIZ-3985
Creating hierarchies from Dataset > Fields tab fails

The Create hierarchy action in the Dataset > Fields tab does not work. In addition, visuals built from datasets with existing hierarchies may return errors.

Workaround:
None
Versions affected:
Cloudera Data Visualization 8.1.1
Fixed in version:
Cloudera Data Visualization 8.1.2
Cloudera issue:
VIZ-4023
Filtering scheduled jobs by owner does not return results

On the Scheduled Jobs tab of the Job Overview page, may fail to return any results, even when jobs exist for that owner. This issue occurs because the filter uses the owner name instead of the owner ID.

Workaround:
None
Versions affected:
Cloudera Data Visualization 8.1.1
Fixed in version:
Cloudera Data Visualization 8.1.2
Cloudera issue:
VIZ-4026
Clearing dataset result cache returns 404 error

On the Dataset Detail page, selecting Clear result cache for this dataset may return a 404 Not Found error, preventing the dataset result cache from being cleared.

Workaround:
None
Versions affected:
Cloudera Data Visualization 8.1.1
Fixed in version:
Cloudera Data Visualization 8.1.2
Cloudera issue:
VIZ-4027
Selection brush for time ranges does not work correctly with sub-second timestamp resolution

The zoom and selection brush functionality on line chart visuals does not work as expected when the X-axis uses timestamps with sub-second precision, such as milliseconds or microseconds. The timestamp filter used by the zoom feature truncates timestamp values to whole seconds, preventing accurate selection and zooming of high-resolution time series data.

Workaround:

Truncate timestamps to second-level resolution in the dataset before visualizing the data. Be aware that this workaround may introduce side effects:

Potential side effects of the workaround include:
  • Continuous variables may appear smoothed because multiple values within the same second can be aggregated.
  • Binary (0/1) variables may produce intermediate values that do not represent actual system behavior.
  • Events or alarms with a duration shorter than one second may be lost.
Versions affected:
Cloudera Data Visualization 8.0.7 - 8.1.4
Fixed in version:
N/A
Cloudera issue:
VIZ-4050
App-level filters override dashboard-level filters

When using applications in Cloudera Data Visualization, filters defined at the application level take precedence over filters configured at the dashboard level. This means that dashboard-level filter settings are overridden by the application’s filter configuration, which may lead to unexpected filtering behavior. .

Workaround:
None
Versions affected:
Cloudera Data Visualization 8.0.7 - 8.1.4
Fixed in version:
N/A
Cloudera issue:
VIZ-4052
Issues when navigating between dashboards in applications

Several navigation and usability limitations exist when working with dashboards inside Cloudera Data Visualization applications:

  • Open in New Tab not working within apps:

    When using the Navigate to Dashboard action with Open Target Dashboard in New Tab enabled, the target dashboard opens in the same tab instead of a new tab if the dashboard is part of an application.

  • No back navigation between dashboards:

    When navigating between dashboards within an application, there is no built-in option to return to the previously viewed dashboard.

  • Dashboards cannot be hidden from the app menu:

    Dashboards that are only intended to be accessed through navigation links from other dashboards still appear in the application's top navigation menu.

  • Application-level filters cannot be hidden on individual dashboards:

    Filters scoped at the application level are displayed on all dashboards in the application. There is no option to hide these filters on dashboards where they are not relevant.

Workaround:
None
Versions affected:
Cloudera Data Visualization 8.0.7 - 8.1.4
Fixed in version:
N/A
Cloudera issue:
VIZ-4054
Target Connection links in the Extracts table do not open the selected connection

On the Data page, clicking a Target Connection link in the Extracts table does not navigate to the selected data connection. Instead, open the All Connections view, regardless of the dataconnection_name parameter value in the URL. As a result, you cannot navigate directly to a specific connection from the Extracts table.

Workaround:
None
Versions affected:
Cloudera Data Visualization 8.1.1 - 8.1.2
Fixed in version:
Cloudera Data Visualization 8.1.3
Cloudera issue:
VIZ-4068