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Resolved Issues

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NOTE: Enter just the Case ID number (SR or INC) in order to find the associated Support Request.

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Pega Platform Resolved Issues for 8.1 and newer are now available on the Support Center.

INC-138103 · Issue 585640

Enhancement added for node heartbeat recovery process

Resolved in Pega Version 8.6

Nodes were not showing up in the admin portal even though they were up and running and could be seen in the pr_sys_statusnodes table. The exception "An exception was encountered while invoking the cluster membership listener callback" was seen. All nodes became visible again after multiple restarts. The root cause was traced back to a temporary database connectivity problem. The database itself was fine according to database monitoring reports, but a network problem, a slow database query, or another issue prevented Pega from establishing a connection for more than a minute. An enhancement has been made to resolve this: if a node becomes unhealthy due to the service registry missing due to a failed heartbeat, the heartbeat will try to recover after 60 seconds and keep trying every 30 seconds until it succeeds.

INC-138501 · Issue 592288

Added VBD support for CSRF token setting

Resolved in Pega Version 8.6

Attempting to open any VBD reports in the marketing portal for a simulation test caused the user to be logged out. Investigation showed that this happened when CSRF token check was enabled in System > Settings > Cross-Site Request Forgery, and was caused by the planner not passing the CSRF tokens in its Ajax calls. To resolve this, handling for the CSRF tokens has been added to the necessary Ajax calls.

INC-139371 · Issue 588236

Enhancement added for node heartbeat recovery process

Resolved in Pega Version 8.6

Nodes were not showing up in the admin portal even though they were up and running and could be seen in the pr_sys_statusnodes table. The exception "An exception was encountered while invoking the cluster membership listener callback" was seen. All nodes became visible again after multiple restarts. The root cause was traced back to a temporary database connectivity problem. The database itself was fine according to database monitoring reports, but a network problem, a slow database query, or another issue prevented Pega from establishing a connection for more than a minute. An enhancement has been made to resolve this: if a node becomes unhealthy due to the service registry missing due to a failed heartbeat, the heartbeat will try to recover after 60 seconds and keep trying every 30 seconds until it succeeds.

INC-139574 · Issue 606142

Exception handling added for dataflow rule assembly

Resolved in Pega Version 8.6

A Blue Screen error was coming up in the Customer Service Web Chat Application after an agent accepted the incoming chat request and sent messages in the chatbox in the Interaction portal. This has been resolved by adding handling for exceptions that occur when inlining templates during dataflow rule assembly, when inlining templates, we weren't handling exceptions properly.

INC-140160 · Issue 597036

NLP model update reflected on utility nodes

Resolved in Pega Version 8.6

After training models on a web node, model updates were not reflected in the email listeners running on the utility nodes. This was traced to the implementation of the model storage using obj-save, which does not propagate the static content on nodes apart from where it was saved. To resolve this, the implementation has been updated to use WBSave which clears static content on all the nodes.

INC-140210 · Issue 591884

RUTA scripting documentation updated

Resolved in Pega Version 8.6

Additional documentation has been added around the variables available for RUTA scripts for entity extraction. This includes information on explicitly clearing the variables that are declared in the scripts, which may be necessary for ensuring the correct entity extraction. https://community.pega.com/knowledgebase/articles/decision-management-overview/detecting-transaction-details-ruta

INC-140821 · Issue 600748

Resolved Intermittent Access Group Issue for GetBundleEventDecisionDetails

Resolved in Pega Version 8.6

When using a REST service that calls the GetBundleEventDecisionDetails activity and dataflow to send the treatment in multiple channels, intermittent access issue related errors appeared while running the activity in logs for multiple customers. This was traced to a missed use case for authentication, and has been resolved.

INC-141579 · Issue 591851

Enhancement added for node heartbeat recovery process

Resolved in Pega Version 8.6

Nodes were not showing up in the admin portal even though they were up and running and could be seen in the pr_sys_statusnodes table. The exception "An exception was encountered while invoking the cluster membership listener callback" was seen. All nodes became visible again after multiple restarts. The root cause was traced back to a temporary database connectivity problem. The database itself was fine according to database monitoring reports, but a network problem, a slow database query, or another issue prevented Pega from establishing a connection for more than a minute. An enhancement has been made to resolve this: if a node becomes unhealthy due to the service registry missing due to a failed heartbeat, the heartbeat will try to recover after 60 seconds and keep trying every 30 seconds until it succeeds.

INC-142084 · Issue 599874

Support added for expression in strategy scorecards

Resolved in Pega Version 8.6

When invoking REST against a dataflow that had a strategy containing a scorecard that used an expression and the "Include model explanations option" was enabled in the Strategy configuration, the system failed with the error "PropertyValueInvalid .pxMaxScore Cannot cast the value (unknown) to double". This was traced to the Scorecard explanations failing during serialization when an expression was used, and has been corrected.

INC-142118 · Issue 597313

Data Migration Import/Export made more resilient

Resolved in Pega Version 8.6

The entire data migration operation (export or import) was marked as "FAILED" even if the operation failed for just one type of data. While managing the failure, the operation deleted any completed data flow runs as part of the clean-up and only retained the failed data flow runs for use in further analysis. Because the queued runs could not be deleted, the data migration case became a broken process. At the root of the issue, the data export work item was failing due to one or more DSM service nodes being non-functional based on a validation failure in the case type that runs a check for the presence of functional DSM nodes before starting the data migration operation. This validation can return false negatives, especially on Cloud where the nodes are usually swapped seamlessly without the function realizing it. In such cases, the validation function returned false despite the DSM service nodes being up and running. This has been resolved by adding handling for the failed data migration case by stopping and deleting the open data flows and by disabling the validation which checks for functional nodes.

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