Error when expanding a Human Task in the workspace Audit Trail (Doc ID 2790804.1)

Last updated on NOVEMBER 16, 2023

Applies to:

Symptoms

When we want to expand a Human Task  activity from Historical of Workspace for Tree View, an error appears.
Here are the steps to recreate the issue:

1. Login to the BPM workspace.

2. Click on the Process Tracking tab and click on one of the created
instances
3. Click on History to see the audit trail
4. Switch from List view to Tree View
5. Click on the arrow near a Human Task to expand it.
6. The error will show up.

The logs will show the following exception:

java.lang.NullPointerException
at oracle.adf.view.rich.component.fragment.UIXInclude.resumeContext(UIXInclude.java:367)
at oracle.adf.view.rich.component.fragment.UIXInclude$ContextualFacesBeanWrapper.getProperty(UIXInclude.java:761)
at org.apache.myfaces.trinidad.bean.util.ValueMap.get(ValueMap.java:75)
at oracle.adf.view.rich.component.fragment.UIXInclude.getAttribute(UIXInclude.java:409)
at oracle.adf.view.rich.component.fragment.UIXInclude$AttrMap.get(UIXInclude.java:650)
at javax.el.MapELResolver.getValue(MapELResolver.java:158)

Cause

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