Mainframe Release Notes

Monthly PTF's have been made available for Dynatrace AppMon 7.0 mainframe components thru the cumulative monthly maintenance. Recommended for all users!

To download the cumulative PTF’s, JCL exists in the sample library created during the initial install (hilevel.LZDT70.SZDTSAMP). FTPMAINT and RFNMAINT facilitate downloads from a Dynatrace FTP server with RFNMAINT taking advantage of Receive from Network technology. Additional information can also be found at Download and SMP/E install of the z/OS Agent Components. If using RFNMAINT, please update your JCL with the hash contained in the RFNINSTL job in the aforementioned link.

Resolved and known issues

Date PTF What's Impacted Description
2017 May DTR010A DTAX JLT-188327 ‐ SOC4 in ZDTPLT when shutting down a system
  • Impact: Low, should only happen if VTAM is recycled.
  • Cause: When VTAM comes down, ZDTPLT is trying to refer to storage that is not available.
  • Solution: Added a condition to check if the pointer is null before using it.
2017 Jul DTR011A zDC JLT-190041 ‐ zLocal command line loses usetransactionsbuffers=true on restart
  • Impact: Medium, If transaction buffers and no zIIP option is used, a zLocal agent restart would stop using transaction buffers. Also, a USS file i/o error could cause excessive messages in the ZDC Joblog.
  • Cause: Programming error.
  • Solution: Correct code.
2017 Jul DTR012A zDC JLT-193261 - zIIP SRB is not released on zRemoteAgent bounce
  • Impact: Medium, in a zIIP enabled environment, the zLocal would have to be restarted after restarting the zRemote.
  • Cause: Programming error.
  • Solution: Correct code.
2017 Jul DTR013A ADK JLT-193348 ‐ Added new ADK functions for CICS and IMS to provide API’s to start and end program nodes in any transaction that is being traced.
  • Impact: None, PTF is an enhancement, not a fix.
  • Cause: NA
  • Solution: NA
2017 Jul DTR014A IMS Agent JLT-191517 ‐ IMS DB2 nodes not generated when the zDC is stopped prior to any DB2 activity and restarted subsequent to DB2 activity.
  • Impact: Medium, uncommon sequence of events that causes missing DB2 nodes.
  • Cause: The sensor install process failed if driven while the zDC was not available, and was only allowed to be driven once.
  • Solution: The sensor install process was modified to be re-driven until successful.
2017 Jul DTR016A zDC JLT-194199 ‐ DTR003A Old version of PTF released to customers.
  • Impact: Low, no customers have reported any issues.
  • Cause: Programming error.
  • Solution: Improved support from DTR003A and DTR012A by adding ZDC parms to control dispatch delay warning. This PTF supersedes DTR003A and DTR012A.
2017 Aug DTR018A zDC JLT-177280 ‐ Log message missing: zDC output and syslog should contain zLocalAgent connect messages.
  • Impact: NA
  • Cause: Customer requested zLocalAgent connect/disconnect/reconnect messages written to the zDC output and SYSLOG. Currently, this information is only written to the zLA logs.
  • Solution: Coding change.
2017 Aug DTR019A CICS Agent JLT-190112 ‐ SOAP program defined as remote causing possible issues.
  • Impact: Medium, Purepath timeouts if the initial program of a SOAP transaction is defined as REMOTE.
  • Cause: Non-local initial program.
  • Solution: Detect and correctly handle remote program definition.
2017 Aug DTR020A CICS Agent JLT-184501 ‐ Message spam in z/OS console.
  • Impact: Low, CICS is reporting an error when ZDTSOAPH tries to retrieve the HTTP headers from what CICS believes to be a non-Web application.
  • Cause: Requests for HTTP headers from pipeline messages that arrived over MQ transport returning response code INVREQ(16) with a RESP2 value of 1.
  • Solution: ZDTSOAPH was changed to ignore this combination instead of issuing an error message for each failing request.
2017 Aug DTR021A IMS Agent JLT-197047 ‐ IMS – MPR loop calling D2sensor after MQ start is done in region.
  • Impact: High, May cause a CPU limit reached in the IMS region.
  • Cause: The DB2 sensor code gets into a loop generating the same node repeatedly.
  • Solution: ZDTIDB00 changed to only enable the 2nd LIIB of the pair when enabling the DB2 sensor.