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Known Issues

Use this list to see if an issue affecting you is already known and decide when to upgrade. Fixed issues are removed after 45 days. All fixed issues can be found in Release Notes.

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Issue ID Product Description Status
800231 Tableau Prep

When you used Tableau Prep 2018.2.1 to publish an extract that was larger than 66 MB, publishing failed and a System error: java.lang.NullPointerException message occurred.

Open
820196 Tableau Prep

When changing column order at Clean step in Prep interface, the order is retained in output file, but, when executing the same flow file from Command Line interface, the column order is not retained and revert back to original order in the data source.

Open
817713 Tableau Prep

After changing the data source for an input step, saving a .tflx, then opening a .tflx in Tableau Prep 2018.2.3, sometimes fields were missing starting from the first Clean step in the flow and errors appeared throughout the flow.

Fixed in 2018.3.1
812650 Tableau Prep

In flows with multiple joins and self joins, sometimes there was no data shown in the Profile pane, and an "IllegalStateException" error occurred when clicking a step.

Fixed in 2018.3.1
806128 Tableau Prep

When you tried to publish a flow to an SSL-enabled Tableau Server, a blank start up page displayed and the flow failed to publish.

Fixed in 2018.3.1
825573 Tableau Prep

Flow file fails to run in Tableau using "tableau-prep-cli.bat" command, when a .hyper file is used as data source and Tableau Server is destination for the published output.

Fixed in 2018.3.1
804008 Tableau Prep

Sometimes, Tableau Prep quit unexpectedly while joining tables.

Fixed in 2018.3.1
825086 Tableau Prep

Flow file connects to an Oracle database, creates local extract for output, and executes successfully in Tableau prep, but it fails to run in command.

Fixed in 2018.3.1
825084 Tableau Prep

After performing different pivot steps on the same dataset as well as multiple joins, the "group and replace" function is not working on a subset of the field values within the same column. Red dots next to those field values indicate that those values are not contained in the dataset, when in fact they are. 

Fixed in 2018.3.1
813773 Tableau Prep

Sometimes, Tableau Prep stopped responding while adding a step.

Fixed in 2018.3.1
815619 Tableau Prep

When using custom SQL in Tableau Prep, having any text between a less than sign resulted in the error "Error in input "Custom SQL". Can't connect to datasource . An error occurred while communicating with the data source. Custom SQL relation refers to a non-existent parameter..."

Fixed in 2018.3.1
818092 Tableau Prep

When you used a regular expression containing a backslash (\) in a calculation in Tableau Prep 2018.2.3, the calculation returned incorrect results.

Fixed in 2018.3.1
823985 Tableau Prep

When port number is not specified in the tfl flow file, command line refresh is not able to match the connection. Error will read: “could not find match for [server name]”

Fixed in 2018.3.2
802750 Tableau Prep

Sometimes, Tableau Prep output preview data was different from the actual output data.

Fixed in 2018.3.2
804393 Tableau Prep

Using a "keep only" filter resulted in fewer rows in the output than seen in the preview pane.

Fixed in 2018.3.2
838311 Tableau Prep

Inserting variables into the calculation editor improperly wipes out or replaces multiple lines of calculation text up through the subsequent variables in the calculation.

Fixed in 2018.3.2
832917 Tableau Prep

When creating a union that has at least two mismatched fields you cannot drag and drop last fields and an error appears "Something went wrong and the application needs to restart."

Fixed in 2018.3.2
832070 Tableau Prep

Publishing a flow from the Command Prompt rather than from the Tableau Prep interface produces an error, “You don't have credentials for Tableau Server to publish extract for one or more output nodes in tfl/tflx file”, though publishing from the Tableau Prep interface using the same credentials works fine. 

Fixed in 2018.3.2
812656 Tableau Prep

Tableau Prep sometimes failed to launch with an "Uncaught Exception: Error: ENOENT: no such file or directory, mkdir" error when the repository was located in a shared drive.

Fixed in 2018.3.2
831786 Tableau Prep

If the pivot action is selected in the super-node, the pivoted fields cannot be renamed. Other fields seem fine.

Fixed in 2018.3.2
809197 Tableau Prep

Data contained in Output is different from data contained when previewing Final Step, specifically, Output has some null values for fields that previewing Final Step does not.

Fixed in 2018.3.2
783920 Tableau Prep

After joining a .csv file with a MySQL table, the following error occurred, when publishing the .hyper file to Tableau Online/Tableau Server:
"Collation mismatch, use COLLATE statements to resolve."

Fixed in 2018.3.2
823461 Tableau Prep

When you double-clicked a .tfl or .tflx, Tableau Prep opened, but the actual flow did not open.

Fixed in 2018.3.2
796880 Tableau Prep

Tableau Prep output files (All formats: CSV, TDE, HYPER) show different data than inside the Tableau Prep Data Profile UI.

Fixed in 2018.3.2