INC-213176 · Issue 709976
Data flow stability improvements
Resolved in Pega Version 8.8
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 707343
Addressed performance issues for classless DSMClipboardPage
Resolved in Pega Version 8.8
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 714193
Updated context handling for executing data transforms in dataflows
Resolved in Pega Version 8.8
When performing a sort operation in a data transform on a pagelist 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 709367
Additional logging and executor work for Adaptive Decision Manager
Resolved in Pega Version 8.8
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-216490 · Issue 713634
pxIdentifier dynamically set for DecisionData while using GOS
Resolved in Pega Version 8.8
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-217290 · Issue 721374
Added support for creating predictive models in Production
Resolved in Pega Version 8.8
While creating a new predictive model rule in Prediction studio, the case was going into broken process after selecting the template with the error message "Error loading D_ProjectList , Reason : No databases defined in properties file:/databases.properties". This was an unexpected use case for creating models in Production level, and has been resolved by updating the flows to turn off the draft mode in this scenario.
INC-217728 · Issue 712732
Made CommitLog messages more resilient to class change
Resolved in Pega Version 8.8
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-217991 · Issue 714332
Display of 'check all' check box made configurable
Resolved in Pega Version 8.8
A new overridable 'when' rule pyShowSelectAllCBInSurvey has been added to allow customizing a survey to hide the 'Select all' checkbox in the ComplexQuestionCheckboxTemplate section.
INC-218145 · Issue 715679
DSS introduced to control DSM clipboard page serialization
Resolved in Pega Version 8.8
When using a Kafka dataset to consume a message from an external topic that had an attribute name with a special character contained in a page list structure, using a JSON data transform for the mapping in a realtime dataflow resulted in the error "Exception in stage: KafkaDS; LegacyModelAspectInvokableRuleContainer.invoke-Exception encountered a :java.lang.UnsupportedOperationException." To resolve this, a new DSS dataset/CLASS_NAME/DATASET_NAME/JSONDataTransform/deserialization/useDSMPage has been introduced. When the value is set to true, the process will follow the previous behavior of DSM clipboard pages being generated when Kafka records are deserialized using JSON data transform. When the value is set to false, the JSON data transform will generate regular clipboard pages and convert them later to DSM clipboard pages. This would avoid errors when a JSON data transform calls methods from the Clipboard API that are not implemented by DSM pages. This DSS is set per data set instance. CLASS_NAME and DATASET_NAME are placeholders which should be replaced by data set's pyClassName and pyPurpose property values. In addition, a similar DSS, dataset/CLASS_NAME/DATASET_NAME/JSONDataTransform/serialization/useDSMPage, has been introduced for serialization.
INC-218757 · Issue 714552
AESRemote updated to be asynchronous
Resolved in Pega Version 8.8
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.