INC-169764 · Issue 645805
Decision table query performance improvements
Resolved in Pega Version 8.5.4
Severe latency was seen after upgrade, and it was not possible to save business rule changes. This was traced to an issue with the decision rule being treated as a custom rule, and has been resolved by inserting a check. In addition, optimization has been added for queries on the pr_sys_decchg table.
INC-170599 · Issue 645223
DSS partition count setting made backward compatible
Resolved in Pega Version 8.5.4
After upgrade, the DSS to limit the number of partition counted was no longer working and instead used the default value of 20. This has been corrected and made backwards compatible.
INC-170620 · Issue 651804
Handling added for RuleNotFound exception
Resolved in Pega Version 8.5.4
If a declare rule was run on a redux page and the highest ruleset version was withdrawn, a RuleNotFound exception was thrown and step status was set with the message "Failed to find a 'RULE-DECLARE-EXPRESSIONS' ...". This has been resolved by updating the system to avoid throwing a RuleNotFound exception if the candidate list is empty for the declare expression.
INC-170669 · Issue 651810
Handling added for RuleNotFound exception
Resolved in Pega Version 8.5.4
If a declare rule was run on a redux page and the highest ruleset version was withdrawn, a RuleNotFound exception was thrown and step status was set with the message "Failed to find a 'RULE-DECLARE-EXPRESSIONS' ...". This has been resolved by updating the system to avoid throwing a RuleNotFound exception if the candidate list is empty for the declare expression.
INC-170950 · Issue 652329
Handling added for datetime set by relative reference
Resolved in Pega Version 8.5.4
When initializing a datetime property contained within .pxPages() in a data transform rule, if the property being set applied to @baseclass it was initialized as decimal string while all other properties were handled as normal GMT-based Pega date time strings. Investigation showed that the decimal value was set when the target page was given by a relative reference like .pxPages(TEXT) which was also defined on Pages & Classes. This has been resolved with an update to detect relative reference as page name in Pages & Classes tab and fall back to the old assembler.
INC-171753 · Issue 649440
Checks for Apache Tomcat 6 with MSSQL removed
Resolved in Pega Version 8.5.4
After implementing a specific local Tomcat configuration that removed the Tomcat version number from displaying on Tomcat standard error screens, the error "Tomcat 6 not supported or unable to detect version for custom Tomcat: Apache Tomcat. Contact Pega Customer Support!" appeared and Tomcat failed to start. Because Tomcat 6 was not supported for use with Microsoft SQL Server Systems, Pega used the ServletContext.getServerInfo() method to determine the Tomcat version; if the system used Tomcat 6 or an undetermined version in combination with MSSQL then the system would purposefully not start. As Tomcat 6 is no longer supported in Pega 8.5.2 and above, this check is unnecessary in those versions and the Tomcat version 6 checks in ClassMapImpl have been removed to allow serverAllowsMerge to return as true.
INC-172546 · Issue 652877
Resolved classcast exception with assembled HTML controls
Resolved in Pega Version 8.5.4
A classcast exception was being generated on login. Investigation showed the Static Assembler was unexpectedly using a different Assembler to assemble the Html control rule. Standard behavior is that StreamBuilderAssembler assembles controls of type StreamBuilder and ControlAssemblerForVTable assembles controls of type ControlBuilder. In this case, static assembly for HTML controls using VTable was performed using StreamBuilderAssembler, causing a classcast exception when using VTable because the instance of the generated.html class was incorrectly inheriting from StreamBuilder (the parent class of ControlBuilder) instead of ControlBuilder which is the specified interface in the generated.html Java code. This has been resolved by updating the system to skip rules of type 'Rule-HTML-Property'(control) during Static Assembly.
INC-172675 · Issue 649453
Configuration added for extending queue processor timeout
Resolved in Pega Version 8.5.4
Alerts for queue processor (QP) items which took more than 15 minutes to run could result in the system marking the node as 'unhealthy'. In environments with Pega Health Check enabled, this would shut down the node gracefully. It was not possible to change this default as it was hardcoded. In order to support systems that may have custom processes that run beyond 15 minutes, a a new setting has been exposed that allows configuration of the interval after which a node with long-running queue processor is marked as unhealthy and is restarted. By default this remains 900000 milliseconds / 900 seconds / 15 minutes, but it may be adjusted up to 24 hours to avoid premature node shutdown. The stale thread detection mechanism will take that setting into account and use the provided value or default to 15 minutes if the value was not provided. In addition, the threshold's units in the UI have been changed from ms to seconds.
INC-172692 · Issue 650613
InsID will be derived from handle if null for upgrade
Resolved in Pega Version 8.5.4
Upgrade from Pega 7.2.x to Pega 8.4.x failed with a null pointer exception in the “Upgrade Context” target. This was traced to a rule where the pxInsID was null. To resolve this, an update has been made to derive the InsID from handle when needed.
INC-173092 · Issue 648737
Checks for Apache Tomcat 6 with MSSQL removed
Resolved in Pega Version 8.5.4
After implementing a specific local Tomcat configuration that removed the Tomcat version number from displaying on Tomcat standard error screens, the error "Tomcat 6 not supported or unable to detect version for custom Tomcat: Apache Tomcat. Contact Pega Customer Support!" appeared and Tomcat failed to start. Because Tomcat 6 was not supported for use with Microsoft SQL Server Systems, Pega used the ServletContext.getServerInfo() method to determine the Tomcat version; if the system used Tomcat 6 or an undetermined version in combination with MSSQL then the system would purposefully not start. As Tomcat 6 is no longer supported in Pega 8.5.2 and above, this check is unnecessary in those versions and the Tomcat version 6 checks in ClassMapImpl have been removed to allow serverAllowsMerge to return as true.