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

INC-213176 · Issue 709975

Data flow stability improvements

Resolved in Pega Version 8.7.2

All nodes were showing as active and running in the cluster, including background, stream, web nodes, but the queue processor would not start. Log entries indicated "IllegalStateException: Invalid run transition found [PENDING_NODES->COMPLETED] on run [DF_OutboundPreProcessing_SMS] by [EventDescription{originator=CheckNodeAvailabilityTask, reason=Restoring previous state." Due to this, all dataflows were moved to queued state. As soon as the corrupted dataflow was deleted the other dataflows were resumed. To resolve this, data flow stability improvements have been added along with better handling of runs in Queued state.

INC-213189 · Issue 707345

Addressed performance issues for classless DSMClipboardPage

Resolved in Pega Version 8.7.2

The DSMClipboardPage implementation handles Page Group access as a classless page (i.e. pxObjClass = ""), creating potential performance issues in implementations where the page group is used with a very large number of distinct AccountIDs in a short period. This has been resolved by updating the system to not cache keys for page group classless page.

INC-213217 · Issue 714192

Updated context handling for executing data transforms in dataflows

Resolved in Pega Version 8.7.2

When performing a sort operation in a data transform on a page list and invoking the Data transform through a Data flow, a java.lang.UnsupportedOperationException was generated on the sort step even though the data was correct. Investigation showed that the dataflows were using a different execution context than the context used for regular activity execution. An update has been made to ensure the correct context is being used while executing data transforms in dataflows.

INC-213945 · Issue 709366

Additional logging and executor work for Adaptive Decision Manager

Resolved in Pega Version 8.7.2

The Adaptive Decision Manager Pulse operation stopped running on some of the ADM nodes, causing an impact on the model update. To address this, some additional protections have been added for pulse operations running in a scheduled executor, and ERROR logging has been enabled.

INC-215005 · Issue 713191

Made CommitLog messages more resilient to class change

Resolved in Pega Version 8.7.2

Persistent class mismatch exceptions were seen while refreshing the ADM models after updating from Pega 8.5. This was caused by changes to the Cassandra adm_commitlog message schema which caused the commit log messages generated to be incompatible with the deserialisation logic present in higher versions of Pega, but as the commit log messages had a time to live of 24 hours the issue self-resolved. However, this has been resolved by setting serialVersionUID for the ModelParameters class so CommitLog messages are now compatible with future minor and patch releases.

INC-216490 · Issue 713633

pxIdentifier dynamically set for DecisionData while using GOS

Resolved in Pega Version 8.7.2

When using a Decision Data component in a strategy which was wrapped with Globally Optimized Strategy (GOS), no results were generated from the DataJoin shape under optimized execution. Investigation showed this was caused by a missing .pxIdentifier for the DecisionData shape during GOS execution. There was a workaround of unselecting the checkbox on the Advanced tab in the Decision Data component, but this has been resolved by updating the strategy kernel service so it will dynamically construct the pxIdentifier based on the skills assignment module (SSA).

INC-217728 · Issue 712731

Made CommitLog messages more resilient to class change

Resolved in Pega Version 8.7.2

Persistent class mismatch exceptions were seen while refreshing the ADM models after updating from Pega 8.5. This was caused by changes to the Cassandra adm_commitlog message schema which caused the commit log messages generated to be incompatible with the deserialisation logic present in higher versions of Pega, but as the commit log messages had a time to live of 24 hours the issue self-resolved. However, this has been resolved by setting serialVersionUID for the ModelParameters class so CommitLog messages are now compatible with future minor and patch releases.

INC-218757 · Issue 714551

AESRemote updated to be asynchronous

Resolved in Pega Version 8.7.2

The Autonomic Event Services (AES) agent PushCDHMetrics became stuck and was not pushing metrics to the console. This has been resolved by updating AESRemote to be asynchronous.

INC-220642 · Issue 717033

Updated context handling for executing data transforms in dataflows

Resolved in Pega Version 8.7.2

When performing a sort operation in a data transform on a page list and invoking the Data transform through a Data flow, a java.lang.UnsupportedOperationException was generated on the sort step even though the data was correct. Investigation showed that the dataflows were using a different execution context than the context used for regular activity execution. An update has been made to ensure the correct context is being used while executing data transforms in dataflows.

INC-194330 · Issue 708711

Added special character handling for DecisionTable column-label

Resolved in Pega Version 8.7.2

The label of a decision-table column was being appended to the original decision-table return-value. The column label and comparator were handled differently for columns containing special characters (+, -, *,...), causing the data after the special character to be trimmed and appended to the row output value. This has been resolved by adding handling for special characters so the output and the label are rendered properly.

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