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Support Article

NullPointerException when clicking Clear Filter on table



NullPointerException is generated in the log on clicking the Clear Filter link after filtering a column in a table.
The exception is from Step 2 of the pzSortClipBoardData activity. According to the Tracer, the exception occurs when the step page on the call to it from Step 4 of pzGetGridColUniqueValues is blank. This results in pzSortClipBoardData having the same primary page as pzGetGridColUniqueValues.

Error Messages

at com.pegarules.generated.activity.ra_action_pzsortclipboarddata_0c878499a78c46471e566c57ce9aac4a.step2_circum0( ~[?:?]
at com.pegarules.generated.activity.ra_action_pzsortclipboarddata_0c878499a78c46471e566c57ce9aac4a.perform( ~[?:?]
at com.pega.pegarules.session.internal.mgmt.Executable.doActivity( ~[prprivate.jar:?]
at com.pega.pegarules.session.internal.mgmt.Executable.invokeActivity( ~[prprivate.jar:?]
at com.pegarules.generated.activity.ra_action_pzgetgridcoluniquevalues_2a5df65c53476fc7b831beeb349462ac.step4_circum0( ~[?:?]
at com.pegarules.generated.activity.ra_action_pzgetgridcoluniquevalues_2a5df65c53476fc7b831beeb349462ac.perform( ~[?:?]
a ...

Steps to Reproduce

  1. Filter a column in the table. 
  2. Sort the column. 
  3. Click 'Clear Filter' to stop filtering the table.

Root Cause

A defect in Pegasystems’ code or rules.
The pzSortClipboardData activity was invoked when it should not be.


Apply HFix-46229.

Suggest Edit

Published February 19, 2019 - Updated December 2, 2021

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