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

SR-D54430 · Issue 518291

Updated VDB Statistics rendering to compensate for Google Chrome changes

Resolved in Pega Version 8.4

The Statistics overlay was not rendering for VBD planner in Google Chrome. Investigation showed that the Google Chrome browser (v.77) was misfiring one of the mouse events due to changes in the browser, and the handling has been updated to resolve this issue.

SR-D54602 · Issue 517309

Prconfigs added to support Cassandra Speculative Based Execution

Resolved in Pega Version 8.4

In order to achieve high availability for Cassandra, prconfigs have been added to support speculative execution. The available prconfigs will enable it, and set maximum number of executions and delay before the next execution is launched.The prconfigs are: dnode/cassandra_speculative_execution_policy dnode/cassandra_speculative_execution_policy/max_executions dnode/cassandra_speculative_execution_policy/delay

SR-D60121 · Issue 525492

All interactions visible in "Latest Responses" for ADM

Resolved in Pega Version 8.4

Interactions were not visible in the "Latest Responses" section of the Model Management landing page for Adaptive models if the requests were stored on multi-node systems. This was due to the system fetching the Last Responses using a list of server nodes built using a version of deployment.getClusterState(tools) which gave only the ADM nodes list instead of all the ADM nodes both client and server. To resolve this, the system has been updated to use ServiceRegistry to get all of the data flow nodes and get the last responses from each of them.

SR-D60268 · Issue 521467

Performance and thread-handling improvements for SSA

Resolved in Pega Version 8.4

The SecureRandom class was used internally by SSAExecutionContext indirectly via UUID generation. Because this exhibited performance issues on some Linux environments, UUID has been replaced with static AtomicLong. In addition, a memory leak was observed when the strategy (SSA) execution resulted in an exception, and the strategy template has been modified to gracefully shutdown the VM under all circumstances. Thread-safety measures have also been tuned to be more fine-grained to reduce the potential thread contention that was seen while borrowing the SSAInterpreter object from SSAInterpreterPool.

SR-D69028 · Issue 528974

Deadlock in static Initialization of IntList resolved

Resolved in Pega Version 8.4

JVM Deadlock was seen related to the static Initialization of a subclass field in class com.pega.decision.strategy.ssa.runtime.collections.api.IntList . Thread dumps showed threads in RUNNABLE State that were parked to wait for class initialization, and this was traced to a missed sonar alert which failed in multi-threading. To resolve this, the system handling has been updated to prevent potential deadlock.

SR-C78603 · Issue 417128

Expression Builder will flag local variables

Resolved in Pega Version 8.4

An enhancement has been added to Expression builder which will display a warning in the test panel evaluation if there are any local variables in the given expression.

SR-D16433 · Issue 499297

Exception handling added for upgraded custom decision tables

Resolved in Pega Version 8.4

After upgrade, the status fail message "There has been an issue; please consult your system administrator" appeared with a blue screen in the Run window when attempting to run a Decision table from Actions-> Run option. This impacted the ability to create unit test cases. Analysis showed the issue occurred for any decision table where "Evaluate All rows" was enabled and list properties were used in Actions if there was no value for the list property after the execution of decision table. This was traced to a NullPointerException in a RunRuleFromPage activity in a customized in PUnit ruleset, and was caused by having list properties in the actions of a decision table that had not been populated during rule execution. Exception handling has been added to resolve this.

SR-D18726 · Issue 501390

Application quality page retains info on reopen

Resolved in Pega Version 8.4

When the application quality page was accessed for the first time the page displayed all the data properly, but if it was closed and then opened again all the counts were blank. This was traced to an issue with converting the date from the client to the database, and was seen when the Oracle database had date filed as key and type date. The issue did not occur if the type was varchar2. To resolve this, the system will use obj-open-by-handle instead of obj-open while fetching the details of AQD.

SR-D26334 · Issue 495322

Restore delegated rules short description header

Resolved in Pega Version 8.4

For delegated rules like SLA/Correspondence, the short description was not getting displayed in the header. This was an unintended side effect of work done on automation rule capabilities, and has been resolved by restoring the layout visibility condition pzDelegateHeader in pzRuleFormKeysAndDescription.

SR-D27041 · Issue 499048

Manual value group addition support available

Resolved in Pega Version 8.4

In a test case created for a data transform containing a value group property, that value group property could be added by clicking the + sign in the left pane of the test case, but a value group property could not be added manually by clicking the add row button. This has been resolved by adding support for manually adding value list/value groups. The activity steps which were using @java function have also now been replaced with a getproperty function.

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