INC-161984 · Issue 638857
Web Tier busy threads released on timeout
Resolved in Pega Version 8.5.4
Tomcat Web Tier Busy Threads were not being correctly released, causing stability and performance problems that included health check pings not receiving a thread to service the request so the node was marked as bad, users were quiesced, and the node replaced. Investigation showed the 'put' on the blocking queue did not time out when the queue was full and waited indefinitely, keeping the thread blocked. To resolve this, the system will use 'offer' on the blocking queue instead of 'put' to force thread release on timeout. In addition, debug logs have been added to understand when the offer (or Put) does not succeed and the state of the queue that is causing this issue; the debug logs for class com.pega.pegarules.session.internal.serverpush.RoboticAutomationImpl should be enabled only if the thread busy issue is observed and for limited time window while actively debugging.
INC-164794 · Issue 637992
Apache Commons libraries updated
Resolved in Pega Version 8.5.4
Apache commons-codec has been updated to version 1.15 , and Apache commons-io has been updated to version 2.7.
INC-171587 · Issue 652187
Resolved Push Node Daily Information exception
Resolved in Pega Version 8.5.4
The "Push Nodes Info Daily" agent was generating an exception on each of the nodes. This has been resolved by enhancing the PegaAESRemote code to handle the exception and get the node info locally, then push it to the console when it is not able to get it via the cluster management API.
INC-173162 · Issue 650794
Certificate match will use Subject Distinguished Name
Resolved in Pega Version 8.5.4
Signature verification was failing due to the system not finding the matching root certificate for the chain. The root certificate was in the trust store, but the system found a different certificate first and that other certificate (an intermediate certificate) was not considered a valid certificate for validating the whole certificate chain. This was traced to filtering on the Issuer Distinguished Name (DN) instead of the Subject DN and was due to intermediate certificates potentially having the same Issuer as a root certificate (e.g. if that root certificate was used to create the intermediate certificate). To resolve this, an update has been made to check the Subject DN instead of Issuer DN.
INC-174298 · Issue 650258
Instance count logic updated
Resolved in Pega Version 8.5.4
A performance issue was seen during upgrade that resembled an upgrade hang. This was caused by a combination of incorrect logic in DDLGenerator.getInstanceCountForClass() around counting instances of 'core' classes and all of the site history-data- tables being mapped to the same table that had 1.4+ billion rows. This behavior has been addressed with more correct query logic while performing instance counts. In addition, instance count will be supressed during command line invocations (prpcUtils, platform upgrade).
INC-192935 · Issue 688463
Added deferred loading for email cases
Resolved in Pega Version 8.8
When there were a significant number of email interactions on an email case, delays were seen when loading the case in the UI. Investigation traced this to a high number of database calls along with the BLOBs also being open. To improve performance, the new rule pyDeferLoadEmails has been added which toggles the UI and loads emails faster. In addition, the button label has been modified to read "View all emails" in place of "Show all" while defer load is enabled.
INC-199790 · Issue 700647
GetAllEmailWork temp page renamed to avoid conflict
Resolved in Pega Version 8.8
The default Email manager portal was not displaying new email triage cases. Investigation showed that because the GetAllEmailWork and CaseBreadCrumbPopulate activities were using a common name for the clipboard page "TempPage", when CaseBreadCrumbPopulate removed the TempPage clipboard page as one of its steps a null pointer exception occurred for GetAllEmailWork. To resolve this, an update has been made to rename "TempPage" to "TempPageET" for GetAllEmailWork so the names will not conflict.
INC-202878 · Issue 713791
Handling updated for social messaging items with very large embedded images
Resolved in Pega Version 8.8
Job scheduler was running out of memory while handling large/multiple files, causing nodes to crash while handling Social Messaging items. Inline images were also not being sent in the ACK email. Investigation traced this to a custom job scheduler and activity used to create PDFs from email communication and send the PDFs to a third-party system. This used the standard Email Triage/PegaSocial functionality for the emails, which were stored as instances of PegaSocial-Message. The custom Job scheduler and activity then leveraged the Data Page D_pxEmailPosts to retrieve the emails in order to harvest the text from the emails. The issue occurred when a number of the emails had multiple or large embedded images in them, meaning the PegaSocial-Message instances are very large. This resulted in the node running out of memory and crashing. To resolve this, code has been added to support inline images in ACK email and the complete message from Pulse will be used instead of the original message as the email body for the ACK email.
INC-208818 · Issue 704708
Corrected intelligent routing in email channel
Resolved in Pega Version 8.8
Intelligent language-based routing in the email bot channel was not working as expected when given a condition to direct messages to a different operator based on language. Messages were placed in the Inbound Correspondence work basket instead. This was traced to the getRoutingActions API using the incorrect property from .pxAnalysis, and has been resolved.
INC-211417 · Issue 711612
Updated URL construction for inline images for better performance
Resolved in Pega Version 8.8
System slowness was seen, and inline images were not getting displayed when the case was opened. This has been resolved by modifying pyExtractHtmlFromAttachment to ensure the image source URL is built in a consistent way whether or not there is a cache to call from.