Cloudera Docs

Known issues and limitations in Cloudera Data Visualization 8.0.1

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 - 8.0.2
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 - 8.0.2
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 - 8.0.2
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 - 8.0.2
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
Default user groups persist after SAML and VIZ group sync

When users log in, default user groups are not removed during SAML and VIZ group synchronization. As a result, users retain their previous group associations, roles, permissions, and query history across sessions.

Workaround:

An admin user should manually assign the “Database Admin” role to a SAML-synced group.

Versions affected:
Cloudera Data Visualization 8.0.1 and lower
Fixed in version:
Cloudera Data Visualization 8.0.2
Cloudera issue:
VIZ-3103
Filter search is disabled if a filter query fails during search

When searching for a value in a dimension filter, a query failure could result in the filter search not working.

Workaround:

Reload the page or select a filter value in another filter on the same page.

Versions affected:
Cloudera Data Visualization 8.0.0 - 8.0.2
Fixed in version:
N/A
Cloudera issue:
VIZ-3118
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
Performance issues in visuals with filters

Dashboards with a large number of visuals containing filters may experience exponentially slower rendering times.

Versions affected:
Cloudera Data Visualization 6.3.1 - 8.0.1
Fixed in version:
Cloudera Data Visualization 8.0.2
Cloudera issue:
VIZ-3192