Release Meridian-2021.1.2

Release 2021.1.2 contains a bunch of bug fixes and enhancements, plus a few security updates.

The codename for 2021.1.2 is Ulysses.


  • SNMP collection failing for "interface label is null or blank" (Issue NMS-11764)

  • Meridian installation guide is incomplete (Issue NMS-13294)

  • Default Debian instructions don’t work on a minimal install (Issue NMS-13355)

  • CVE-2020-13956: Update commons-httpclient to 4.5.13 (Issue NMS-13360)

  • CVE-2017-5929: bump logback-classic version to latest (Issue NMS-13361)

  • Update images chapter in docs remove two chapters (Issue NMS-13371)

  • Package diffutils is missing in Docker image (Issue NMS-13429)


  • Incorporate node related information to events and alarms topic in opennms-kafka-producer feature (Issue NMS-12778)

  • Expand PageSequenceMonitor Documentation (Issue NMS-13260)

  • Publish minion config schema (Issue NMS-13285)

  • update WMI dependencies (Issue NMS-13320)

  • Expand Sink API Documentation (Issue NMS-13328)

  • Add out-of-band monitoring content to main user documentation (Issue NMS-13330)

  • Create DnsDetector docs (Issue NMS-13338)

  • Create FtpDetector docs (Issue NMS-13339)

  • Create HostResourceSWRunDetector docs (Issue NMS-13340)

  • Setup DCT keys for the OpenNMS and OpenNMS-Forge organizations (Issue NMS-13345)

  • Implement Kafka Consumer for events (protobuf) (Issue NMS-13362)

  • Allow setting java heap minimum and maximum values in opennms.conf (Issue NMS-13367)

  • Misc documentation fixes (Issue NMS-13426)

Release Meridian-2021.1.1

Release 2021.1.1 contains a number of small bug fixes and a few enhancements.

The codename for 2021.1.1 is ACE.


  • Race condition when enabling the Situations Feedback feature (Issue NMS-12767)

  • IP interface link in Response Time graph page is broken (Issue NMS-13158)

  • Mark OIA Implementation for Timeseries as experimental (Issue NMS-13281)

  • Meridian installation guide is incomplete (Issue NMS-13294)

  • Validate query parameters in snmpInterfaces.jsp (Issue NMS-13308)

  • Validate name parameter in DestinationWizardServlet (Issue NMS-13309)

  • CLONE - DOC Branding: Icon in tab is still the old one (Issue NMS-13329)


  • Incorrect reference to org.opennms.netmgt.syslog.cfg (Issue NMS-13223)

  • Update conventions for text formatting (Issue NMS-13336)

  • Location aware Requisitions from DNS (Issue NMS-13278)

Release Meridian-2021.1.0

Release 2021.1.0 is the first in the Meridian 2021 series, based on Horizon 27.

The codename for 2021.1.0 is Perseverance.


  • Not possible to define notification parameters via "Configure notifications" UI (Issue NMS-8581)

  • Race condition on ALEC’s config bundle after installation (Issue NMS-12766)

  • Add a warning when enabling forwarding metrics through the Kafka Producer (Issue NMS-13039)

  • Reflected XSS reported 2021-03-31 (update summary after disclosure) (Issue NMS-13229)

  • Backport Security Issues from Last Month (Issue NMS-13231)

  • vmware integration connection pool not expiring connections (Issue NMS-13234)

  • Cleared alarms with closed ticket state not removed when using a hybrid approach (Issue NMS-13237)

  • Update Vaadin dependencies (Issue NMS-13261)


  • Migrate OpenNMS core docs to Antora (Issue NMS-12497)

  • Overview chapter (Issue NMS-12670)

  • Create Win32ServiceDetector documentation (Issue NMS-13074)

  • Create WmiDetector documenation (Issue NMS-13075)

  • Create BgpSessionDetector documentation (Issue NMS-13076)

  • Enable Single topic by default for Kafka RPC (Issue NMS-13104)

  • Re-enable Kafka RPC Single Topic By Default (Issue NMS-13184)

  • Update Help page with doc links in the Web UI (Issue NMS-13225)

  • Admin Guide Newts Instructions Incomplete (Issue NMS-13242)

  • Minion - Meridian Installation Documents Incorrect (Issue NMS-13247)

  • Provide documentation for context-sensitive help in UI form (Issue NMS-13255)