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PRRuntimeException: Section 'pzExplorersView' execution error



When ​​​running Pega Platform 8.4 on PostgreSQL database and logging in to the application as [email protected], the Developer portal does not render.

Error Messages

[email protected] - Problem appending stream null Section 'pzExplorersView' execution error on page 'pyDeveloper' of  class 'Pega-Portal-Developer'. : Failed to find instance @baseclass.pzure_treenodexsl.Generic of type Rule-Obj-XML.
    at com.pegarules.generated.html_section.ra_stream_pzexplorersview_835eb2b010056ca03ce66d550d2396a1.execute( ~[?:?]
    at com.pega.pegarules.session.internal.mgmt.StreamBuilderTools.appendStreamKeepProperties( ~[prprivate-session.jar:?]
    at com.pega.pegarules.session.internal.mgmt.autostreams.IncludeStreamRuntime.getStream( ~[prprivate-session.jar:?]
    at com.pega.pegarules.session.internal.mgmt.autostreams.IncludeStreamRuntime.emitIncludeStreamReference( ~[prprivate-session.jar:?]
    at com.pega.pegarules.session.internal.mgmt.autostreams.AutoStreamRuntimeImpl.emitIncludeStreamReference( ~[prprivate-session.jar:?]
    at com.pegarules.generated.html_section.ra_stream_pzexplorers_8c35b7e81b4997be401f437333571180.sectionBodyIncludeInCell_1( ~[?:?]
    at com.pegarules.generated.html_section.ra_stream_pzexplorers_8c35b7e81b4997be401f437333571180.sectionIncludeInCell_pzExplorersView_1( ~[?:?]
    at com.pegarules.generated.html_section.ra_stream_pzexplorers_8c35b7e81b4997be401f437333571180.layoutBody_1( ~[?:?]

Steps to Reproduce

Log in to the application as [email protected]

Root Cause

A defect or configuration issue in the operating environment.
The PostgreSQL JDBC 42.2.11 driver has a change in behavior which resulted in the error when running the application.


Perform the following local-change:

Use the PostgreSQL JDBC 42.2.6 driver to run the application.

Published April 14, 2020 - Updated December 2, 2021

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