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

INC-193507 · Issue 681749

DSS added to control DADT purge

Resolved in Pega Version 8.6.3

Thread dumps and service restarts were seen when Decision Engine data nodes were working with a very large number of tables. This has been resolved by adding a DSS as part of the CDH layer which will skip CDH DADT that contains pattern DATA_BATCHOUT, for instance "DATA-ADMIN-DB-TABLE DATA-BATCHOUTPR469001" to prevent the deletion causing full cache invalidation of the table information map. With this DSS set to true, when the purge agent runs and deletes the DADT, class cache should no longer be invalidated. With the DSS missing or set to a value other than true, the class cache invalidation will still occur.

INC-193767 · Issue 683300

Handling updated for validating properties with a FieldValue

Resolved in Pega Version 8.6.3

Running a report which included a property calculated by a Declare Expression generated an excessive number of log messages indicating "Error occurred while executing forward chaining on page 'pyReportContentPage.pxResults". Degraded system performance, stack overflow, and other similar issues were seen. This was traced to an infinite loop that resulted from a missed use case for a Report Definition with a Target property of a Declare Expression with FieldValue, and has been resolved by disabling autochain while validating properties with a FieldValue.

INC-193917 · Issue 683684

MQ jar handling updated to resolve initialization error

Resolved in Pega Version 8.6.3

After update, errors were seen indicating a NoClassDefFoundError relating to initializing com.ibm.mq.jms.MQQueue. This was traced to a difference in the handling of imported MQ jars, and has been resolved.

INC-194224 · Issue 682649

New or updated operators properly updated on other nodes

Resolved in Pega Version 8.6.3

Newly imported or updated operators were not getting properly pulsed to other nodes. This was traced to operator pages being cached while the system pulse for 'Data-Admin-Operator-ID' was not permitted on the allow list, and has been resolved.

INC-194269 · Issue 681047

Added handling for Create Source and Target properties of Date

Resolved in Pega Version 8.6.3

A report definition was not displaying results after update, and a stack overflow was reported. This was a missed use case for Create Source and Target properties of Date, and has been resolved by adding a boolean flag to avoid autochain during validations when data type is Date.

INC-194348 · Issue 682340

Resolved multiple copies of Pega0050 alerts

Resolved in Pega Version 8.6.3

The PDC alert Pega0050 was seen multiple times for the standard pxgetoperatordetails activity, step 6.This has been fixed by removing the pagecopy and updating the data page properties.

INC-194490 · Issue 685240

Parameter handling updated for GetRepositoryFolderName

Resolved in Pega Version 8.6.3

An UnresolvedAssemblyError was generated with an Unauthenticated Thread exception after opening the declare expression Embed-Application-StorageProvider pyFolder and performing a private edit. This error was traced to the Rule-Utility-Function call "pxGetRepositoryFolderName()", which was expecting a parameter "tools" which was not being passed from the declare expression rule. To resolve this, the pyFolder and pyFoldeIf declare expressions and pzsetContentStorage have been modified to pass 'tools' as a parameter to pxGetRepositoryFolderName.

INC-194594 · Issue 684715

Parameter handling updated for cloned environment

Resolved in Pega Version 8.6.3

The Editable data page parameters were not getting set in a cloned environment. This has been resolved by adding code to detect the use case ('append and map to action' with 'a new page' relation) and let it fallback to legacy code generation.

INC-194806 · Issue 680969

Performance improvement for message processing

Resolved in Pega Version 8.6.3

Severe performance degradation was seen for message processing in pdc-central after update. Investigation showed there was an issue with a write lock not not being acquired while reloading the datapage definition, causing concurrent dirty reads and multiple definition reloads. To resolve this, DeclarativePageDefinitionCacheImpl has been updated to acquire a write lock to prevent dirty reads of the same stale data page definition while reloading.

INC-196313 · Issue 688604

Added pause after Library Extraction to ensure Rule-Utility-Functions are present

Resolved in Pega Version 8.6.3

After upgrade from Pega 7 to Pega 8, nodes were not starting and the error "pub.context.InitializationFailedError: PRNodeImpl init failed" appeared. This was traced to an issue with the pzSharedTenant rule: when pzSharedTenant (Rule Access When) is assembled by the system, it uses the compareTwoValues Rule-Utility-Function. If the system is not able to find the correct version of compareTwoValues, it adds an UnresolvedAssemblyError in the assembly of the pzSharedTenant, causing the startup failure. This has been resolved by adding an await call after the LibraryExtraction task to wait for it to complete. This wait will ensure that the library extraction task completes before starting the search task which uses Rule-Utility-Functions.

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