OpenNMS/opennms
Oct 2024 – Feb 2026
17 Months active
Languages Used
JavapropertiesadocprotoJSPYAMLAsciiDocJavaScript
Technical Skills
API IntegrationBackend DevelopmentConfiguration ManagementTestingDependency ManagementJava
Christian Pape
PROFILE
Christian Pape
Overall Statistics
Feature vs Bugs
62%Features
Repository Contributions
85Total
Bugs
20
Commits
85
Features
33
Lines of code
7,179,326
Activity Months17
Your Network
31 peopleSame Organization
@informatik.hs-fulda.de6
Work History
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for OpenNMS/opennms focused on dependency modernization by upgrading Jinjava from 2.7.5 to 2.7.6 to incorporate improvements and bug fixes. This change required validating compatibility, updating build configurations, and ensuring template rendering stability. Implemented in commit 867252e1bb3648a7aa9bf3705d5311afbff522ef (NMS-19511).
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for OpenNMS/opennms focused on dependency modernization by upgrading Jinjava from 2.7.5 to 2.7.6 to incorporate improvements and bug fixes. This change required validating compatibility, updating build configurations, and ensuring template rendering stability. Implemented in commit 867252e1bb3648a7aa9bf3705d5311afbff522ef (NMS-19511).
February 2026
January 2026
3 Commits • 2 Features
Jan 1, 2026January 2026 (OpenNMS/opennms) delivered a major enhancement to SNMP data collection with the JsonPropertyExtender, enabling extraction of values from SNMP JSON responses and persistence as time-series metrics. The feature is configurable via source attributes, target types, and JSON path expressions, improving data accuracy and visibility in monitoring dashboards. In addition, security and performance were improved through targeted dependency upgrades (jose4j for JWT handling and lz4-java for compression/performance). Tests and documentation for the new extender were completed, stabilizing the feature and ensuring maintainability.
January 2026
3 Commits • 2 Features
Jan 1, 2026January 2026 (OpenNMS/opennms) delivered a major enhancement to SNMP data collection with the JsonPropertyExtender, enabling extraction of values from SNMP JSON responses and persistence as time-series metrics. The feature is configurable via source attributes, target types, and JSON path expressions, improving data accuracy and visibility in monitoring dashboards. In addition, security and performance were improved through targeted dependency upgrades (jose4j for JWT handling and lz4-java for compression/performance). Tests and documentation for the new extender were completed, stabilizing the feature and ensuring maintainability.
December 2025
3 Commits • 2 Features
Dec 1, 2025December 2025 monthly summary for OpenNMS/opennms focusing on test reliability, codebase simplification, and SNMP trap handling improvements. The work delivered notable business value by stabilizing CI, reducing maintenance burden, and tightening trap processing.
3 Commits • 2 Features
Dec 1, 2025December 2025 monthly summary for OpenNMS/opennms focusing on test reliability, codebase simplification, and SNMP trap handling improvements. The work delivered notable business value by stabilizing CI, reducing maintenance burden, and tightening trap processing.
December 2025
November 2025
10 Commits • 3 Features
Nov 1, 2025November 2025 summary for OpenNMS/opennms: Delivered key features, fixed critical security bugs, and modernized the platform to improve reliability, performance, and cross-platform compatibility. Focused on business value by enhancing alerting controls, migrating time series storage, and upgrading core dependencies, with strong tests and documentation.
November 2025
10 Commits • 3 Features
Nov 1, 2025November 2025 summary for OpenNMS/opennms: Delivered key features, fixed critical security bugs, and modernized the platform to improve reliability, performance, and cross-platform compatibility. Focused on business value by enhancing alerting controls, migrating time series storage, and upgrading core dependencies, with strong tests and documentation.
October 2025
5 Commits • 2 Features
Oct 1, 2025Monthly summary for 2025-10 focused on the OpenNMS/opennms repo. Delivered targeted dependency stabilization and security hardening through three key initiatives. The work improves stability, security posture, and upgrade readiness, directly supporting downstream deployments and future feature work.
5 Commits • 2 Features
Oct 1, 2025Monthly summary for 2025-10 focused on the OpenNMS/opennms repo. Delivered targeted dependency stabilization and security hardening through three key initiatives. The work improves stability, security posture, and upgrade readiness, directly supporting downstream deployments and future feature work.
October 2025
September 2025
7 Commits • 2 Features
Sep 1, 2025Month: 2025-09 — OpenNMS/opennms delivered notable feature work, critical bug fixes, and stability improvements that collectively enhance dynamic configuration, protocol data collection reliability, and core runtime resilience. Key outcomes include enabling IPFix dynamic configuration via Twin mechanism with OSGi integration and a file watcher, improving loading of IPFix information elements and enabling rapid configuration updates; fixing SFlow UDP parsing initialization with DNS resolution and expanding test coverage; and upgrading core dependencies to improve performance, security, and stability while tightening TimeSeries RRD defaults and pinning Jackson to prevent vendored conflicts. These efforts reduce operational risk, accelerate safe configuration changes, and strengthen data-quality for IPFix and SFlow collectors.
September 2025
7 Commits • 2 Features
Sep 1, 2025Month: 2025-09 — OpenNMS/opennms delivered notable feature work, critical bug fixes, and stability improvements that collectively enhance dynamic configuration, protocol data collection reliability, and core runtime resilience. Key outcomes include enabling IPFix dynamic configuration via Twin mechanism with OSGi integration and a file watcher, improving loading of IPFix information elements and enabling rapid configuration updates; fixing SFlow UDP parsing initialization with DNS resolution and expanding test coverage; and upgrading core dependencies to improve performance, security, and stability while tightening TimeSeries RRD defaults and pinning Jackson to prevent vendored conflicts. These efforts reduce operational risk, accelerate safe configuration changes, and strengthen data-quality for IPFix and SFlow collectors.
August 2025
3 Commits • 2 Features
Aug 1, 2025OpenNMS/opennms — August 2025: Key security hardening, telemetry enhancements, and maintenance upgrades delivered. Highlights include PKCS12 keystore support in Secure Credentials Vault, telemetry integration (IPFix vendor elements and NetFlow adapters) with release-notes updates, security vulnerability mitigation by excluding vulnerable okio versions, and dependency upgrade of Commons FileUpload. These changes improve security posture, observability, and maintenance health, delivering measurable business value while requiring minimal functional changes.
3 Commits • 2 Features
Aug 1, 2025OpenNMS/opennms — August 2025: Key security hardening, telemetry enhancements, and maintenance upgrades delivered. Highlights include PKCS12 keystore support in Secure Credentials Vault, telemetry integration (IPFix vendor elements and NetFlow adapters) with release-notes updates, security vulnerability mitigation by excluding vulnerable okio versions, and dependency upgrade of Commons FileUpload. These changes improve security posture, observability, and maintenance health, delivering measurable business value while requiring minimal functional changes.
August 2025
July 2025
6 Commits • 1 Features
Jul 1, 2025For 2025-07, delivered notable features and stability improvements across the OpenNMS/opennms repository. Key outcomes include vendor-neutral IPFIX telemetry enhancements enabling broader performance monitoring, security and dependency hardening reducing risk from outdated components, and API data integrity improvements to ensure correct responses for geolocation-related queries. These efforts enhance monitoring coverage, reduce maintainability risks, and demonstrate strong execution of cross-cutting engineering initiatives. The work included documentation, new adapters, and a targeted JSON deserializer test, with changes integrated via focused commits.
July 2025
6 Commits • 1 Features
Jul 1, 2025For 2025-07, delivered notable features and stability improvements across the OpenNMS/opennms repository. Key outcomes include vendor-neutral IPFIX telemetry enhancements enabling broader performance monitoring, security and dependency hardening reducing risk from outdated components, and API data integrity improvements to ensure correct responses for geolocation-related queries. These efforts enhance monitoring coverage, reduce maintainability risks, and demonstrate strong execution of cross-cutting engineering initiatives. The work included documentation, new adapters, and a targeted JSON deserializer test, with changes integrated via focused commits.
June 2025
9 Commits • 3 Features
Jun 1, 2025June 2025 monthly work summary focusing on delivering reliability, upgrade readiness, and observability. The team implemented automated upgrade hygiene, improved test stability, clarified configuration for Kafka-related settings, and hardened dependencies for security and compatibility. Notable outcomes include a more reliable install path (fix-karaf-setup integration), deterministic test execution, and enhanced NTP diagnostics, all contributing to faster deployments and reduced support toil.
9 Commits • 3 Features
Jun 1, 2025June 2025 monthly work summary focusing on delivering reliability, upgrade readiness, and observability. The team implemented automated upgrade hygiene, improved test stability, clarified configuration for Kafka-related settings, and hardened dependencies for security and compatibility. Notable outcomes include a more reliable install path (fix-karaf-setup integration), deterministic test execution, and enhanced NTP diagnostics, all contributing to faster deployments and reduced support toil.
June 2025
May 2025
5 Commits • 2 Features
May 1, 2025May 2025 monthly summary for OpenNMS/opennms focused on stability, security, and maintainability. Delivered backend storage migration to RRDTool, mitigated XSLT-related risks in XML processing, and upgraded core dependencies to improve security and compatibility. These changes reduce operational risk, improve performance transparency, and simplify future upgrades.
May 2025
5 Commits • 2 Features
May 1, 2025May 2025 monthly summary for OpenNMS/opennms focused on stability, security, and maintainability. Delivered backend storage migration to RRDTool, mitigated XSLT-related risks in XML processing, and upgraded core dependencies to improve security and compatibility. These changes reduce operational risk, improve performance transparency, and simplify future upgrades.
April 2025
5 Commits • 2 Features
Apr 1, 2025April 2025: Delivered reliability improvements for containerized smoke tests, hardened security controls, and upgraded dependencies to address security fixes in OpenNMS/opennms.
5 Commits • 2 Features
Apr 1, 2025April 2025: Delivered reliability improvements for containerized smoke tests, hardened security controls, and upgraded dependencies to address security fixes in OpenNMS/opennms.
April 2025
March 2025
8 Commits • 5 Features
Mar 1, 2025OpenNMS OpenNMS 2025-03 monthly summary: Delivered 5 major items plus one bug fix across the OpenNMS/opennms repo. Key features delivered include Requisition Name Validation Enhancements (UI and ReST API validation), Passive Status Monitor Timestamp Precision, Scheduled Outages Management via REST API, and Internal Data Model and Configuration Enhancements (including disabling SnmpMetadataProvisioningAdapter by default). Major bug fix: Alarm Search 'situation' Parameter Handling bug. Overall impact includes improved data validity, timing accuracy, REST-driven outage management, safer defaults, and configurable memory/log settings, boosting stability and scalability. Technologies demonstrated: Java, REST API design and integration, client-side JavaScript, data model migrations, environment-based configuration, logging tuning, and test/docs coverage.
March 2025
8 Commits • 5 Features
Mar 1, 2025OpenNMS OpenNMS 2025-03 monthly summary: Delivered 5 major items plus one bug fix across the OpenNMS/opennms repo. Key features delivered include Requisition Name Validation Enhancements (UI and ReST API validation), Passive Status Monitor Timestamp Precision, Scheduled Outages Management via REST API, and Internal Data Model and Configuration Enhancements (including disabling SnmpMetadataProvisioningAdapter by default). Major bug fix: Alarm Search 'situation' Parameter Handling bug. Overall impact includes improved data validity, timing accuracy, REST-driven outage management, safer defaults, and configurable memory/log settings, boosting stability and scalability. Technologies demonstrated: Java, REST API design and integration, client-side JavaScript, data model migrations, environment-based configuration, logging tuning, and test/docs coverage.
February 2025
7 Commits • 2 Features
Feb 1, 2025February 2025 highlights: security-focused dependency updates, metadata handling improvements for alarm processing, and vault-based system property interpolation. These changes strengthen security posture, improve alarm processing reliability, and securely manage credentials in configuration, delivering measurable business value and maintainable code.
7 Commits • 2 Features
Feb 1, 2025February 2025 highlights: security-focused dependency updates, metadata handling improvements for alarm processing, and vault-based system property interpolation. These changes strengthen security posture, improve alarm processing reliability, and securely manage credentials in configuration, delivering measurable business value and maintainable code.
February 2025
January 2025
3 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for OpenNMS/opennms: Delivered security, performance, and data-model improvements with clear business value. Key fixes and enhancements reduce security risk, accelerate threshold computations, and extend scalability for event data.
January 2025
3 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for OpenNMS/opennms: Delivered security, performance, and data-model improvements with clear business value. Key fixes and enhancements reduce security risk, accelerate threshold computations, and extend scalability for event data.
December 2024
2 Commits
Dec 1, 2024December 2024 monthly summary for OpenNMS/opennms focusing on telemetry stability and dependency hygiene. Delivered a critical bug fix to maintain telemetry protocol compatibility by upgrading protobuf to version 3.25.5, and cleaned up dependency management by removing older commons-io versions to prevent conflicts and security vulnerabilities. Updated generated code and copyrights as needed to reflect changes. These actions reduce risk of protocol incompatibilities, improve build reliability, and strengthen the security posture of telemetry-enabled components.
2 Commits
Dec 1, 2024December 2024 monthly summary for OpenNMS/opennms focusing on telemetry stability and dependency hygiene. Delivered a critical bug fix to maintain telemetry protocol compatibility by upgrading protobuf to version 3.25.5, and cleaned up dependency management by removing older commons-io versions to prevent conflicts and security vulnerabilities. Updated generated code and copyrights as needed to reflect changes. These actions reduce risk of protocol incompatibilities, improve build reliability, and strengthen the security posture of telemetry-enabled components.
December 2024
November 2024
6 Commits • 2 Features
Nov 1, 2024November 2024OpenNMS/opennms: Delivered a new PTP Monitor to poll PTP devices and verify port state with unit tests, accompanied by user-facing documentation. Fixed XML parsing by explicitly using Jsoup's XML parser to ensure correct handling of XML content and stabilized related tests. Addressed NMS-16552 by upgrading dependencies to improve stability, and performed dependency maintenance for core components (fop-core 2.10 and cxf-core 3.6.3) to benefit from improvements. Overall, these efforts improved time synchronization monitoring reliability, XML handling robustness, and platform stability, delivering measurable business value through more accurate monitoring, reduced risk from XML handling issues, and a cleaner, more maintainable dependency surface.
November 2024
6 Commits • 2 Features
Nov 1, 2024November 2024OpenNMS/opennms: Delivered a new PTP Monitor to poll PTP devices and verify port state with unit tests, accompanied by user-facing documentation. Fixed XML parsing by explicitly using Jsoup's XML parser to ensure correct handling of XML content and stabilized related tests. Addressed NMS-16552 by upgrading dependencies to improve stability, and performed dependency maintenance for core components (fop-core 2.10 and cxf-core 3.6.3) to benefit from improvements. Overall, these efforts improved time synchronization monitoring reliability, XML handling robustness, and platform stability, delivering measurable business value through more accurate monitoring, reduced risk from XML handling issues, and a cleaner, more maintainable dependency surface.
October 2024
2 Commits
Oct 1, 2024OpenNMS/opennms – October 2024: Reliability-focused bug fixes increasing production stability and test reliability. Key items include REST Client null/empty response handling and an extended TTL for NewtsConverter tests to prevent flaky failures. No new features released, but improvements in resilience and test stability deliver immediate business value.
2 Commits
Oct 1, 2024OpenNMS/opennms – October 2024: Reliability-focused bug fixes increasing production stability and test reliability. Key items include REST Client null/empty response handling and an extended TTL for NewtsConverter tests to prevent flaky failures. No new features released, but improvements in resilience and test stability deliver immediate business value.
October 2024
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Quality Metrics
Correctness91.0%
Maintainability89.2%
Architecture86.4%
Performance84.8%
AI Usage20.2%
Skills & Technologies
Programming Languages
AsciiDocGradleJSPJUnitJavaJavaScriptPythonShellXMLYAML
Technical Skills
API DevelopmentAPI IntegrationAngularJSApache CamelBackend DevelopmentBug FixingBuild SystemsBuild ToolsCircleCIConfigurationConfiguration ManagementContainerizationContinuous IntegrationData CollectionData Processing
Repositories Contributed To
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