OpenLiberty

Issues somebody may already be working on are listed last. List everything by date

• Improve logging message within PasswordUtil

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  serviceability

  Difficulty 1/5 Under an hour Newbie friendliness 65/100

  OpenLiberty/open-liberty#36348 · Opened Nov 11, 2026

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• Jakarta EE 12: Create Jakarta Query 1.0 specification

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  Epic Feature jakartaEE12 Prioritization - Requested team:Zombie Apocalypse

  Difficulty 5/5 Over a week Newbie friendliness 28/100

  OpenLiberty/open-liberty#36332 · Opened Nov 11, 2026

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• Variable processing fails to discover variables after Liberty dev mode is started

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  Difficulty 3/5 1-2 days Newbie friendliness 66/100

  OpenLiberty/liberty-tools-eclipse#721 · Opened Nov 11, 2026

• Variable processing fails to discover variables after Liberty dev mode is started

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  language client

  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  OpenLiberty/liberty-tools-intellij#1849 · 1 comment · Opened Nov 11, 2026

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• Error and special case handling for invalid archive files for feature generation

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  enhancement generateFeatures

  Difficulty 3/5 1-2 days Newbie friendliness 66/100

  OpenLiberty/ci.maven#2160 · Opened Nov 10, 2026

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• Package apache-mime4j as its own OSGi bundle instead of embedding it in the RESTEasy common bundles

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  in:JAX-RS

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  OpenLiberty/open-liberty#36315 · Opened Nov 10, 2026

  Maintainers usually reply within 1 day

• Default to no logging from the `feature-gen` jar

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  generateFeatures

  Difficulty 2/5 1-3 hours Newbie friendliness 72/100

  OpenLiberty/ci.gradle#1118 · Opened Nov 9, 2026

• Dev mode start up analysis

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  devMode

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  OpenLiberty/ci.maven#2156 · Opened Nov 6, 2026

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• Inline calls to `traceEvent` in `McpServer`

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  tech debt

  Difficulty 2/5 1-3 hours Newbie friendliness 76/100

  OpenLiberty/open-liberty#36294 · Opened Nov 6, 2026

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• Test compatibility with MCP clients when protocol versions are restricted by config

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  Difficulty 2/5 1-3 hours Newbie friendliness 56/100

  OpenLiberty/open-liberty#36292 · Opened Nov 6, 2026

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• Create a test rule for setting the beta property for MCP unit tests

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  tech debt

  Difficulty 3/5 1-2 days Newbie friendliness 68/100

  OpenLiberty/open-liberty#36287 · Opened Nov 6, 2026

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• SVT: LMP 4.0.0-SNAPSHOT generateFeatures SEVERE persistence-3.2 conflict reporting both ee11 and ee6 eeCompatible

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  bug generateFeatures SVT

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  OpenLiberty/ci.maven#2153 · Opened Nov 5, 2026

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• liberty:dev can't find messages.log when outputDirectory is customized

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  bug

  Difficulty 3/5 1-2 days Newbie friendliness 70/100

  OpenLiberty/ci.maven#2151 · 3 comments · Opened Nov 4, 2026

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• Update UI test automation fixtures and selectors for IntelliJ Reworked Terminal

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  4Q-maintenance ci/cd terminal-migration

  Difficulty 3/5 1-2 days Newbie friendliness 75/100

  OpenLiberty/liberty-tools-intellij#1831 · Opened Nov 4, 2026

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• Disable irrelevant actions in the Liberty tool window context menu based on module state

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  3 multi-module mvp

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  OpenLiberty/liberty-tools-intellij#1830 · Opened Nov 4, 2026

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• Add a module selection popup for multi-module (aggregator) projects

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  5 multi-module mvp

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  OpenLiberty/liberty-tools-intellij#1829 · Opened Nov 4, 2026

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• Responses with accents cut short, fixed with setContentLengthOnClose="false"

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  Opened by external contributor release bug

  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  OpenLiberty/open-liberty#36246 · Opened Nov 3, 2026

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• Change to the build file handled twice when the Liberty module is the main module

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  devMode

  Difficulty 2/5 1-3 hours Newbie friendliness 72/100

  OpenLiberty/ci.maven#2148 · Opened Nov 2, 2026

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• Intermittent failure of test case DevNoDuplicateCompilationTest

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  generateFeatures

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  OpenLiberty/ci.maven#2147 · Opened Nov 2, 2026

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• Sync refactoring changes from lsp4jakarta to liberty-tools-intellij

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  Difficulty 4/5 3-5 days Newbie friendliness 22/100

  OpenLiberty/liberty-tools-intellij#1826 · Opened Nov 2, 2026

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• SVT: LMP 4.0.0-SNAPSHOT: Cannot generate features using the ACME Application due to issues with bean validation

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  bug generateFeatures SVT

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  OpenLiberty/ci.maven#2146 · Opened Oct 30, 2026

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• AIX 7.3.x java17 NoClassDefFoundError on WebSphere Liberty startup

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  release bug

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  OpenLiberty/open-liberty#36207 · 2 comments · Opened Oct 30, 2026

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• Upgrade Language Server versions for 4Q 2026 release

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  Difficulty 2/5 1-3 hours Newbie friendliness 58/100

  OpenLiberty/liberty-tools-eclipse#717 · Opened Oct 30, 2026

• lsp4jakarta: Invalid @AssociationOverride configuration (placement, conflicts, duplicates, or emptiness)

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  OpenLiberty/liberty-tools-intellij#1824 · Opened Oct 30, 2026

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• Add a sample toolchains.xml file to the repository

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  Difficulty 2/5 1-3 hours Newbie friendliness 66/100

  OpenLiberty/ci.maven#2143 · 1 comment · Opened Oct 29, 2026

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• BETA BLOG - Preview of Jakarta Persistence Container 4.0 (persistenceContainer-4.0)

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  Blog target:260012-beta target:beta

  Difficulty 1/5 Under an hour Newbie friendliness 20/100

  OpenLiberty/open-liberty#36185 · 1 comment · Opened Oct 29, 2026

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• Refactor `LibertyExplorer.buildEmptyStatePanel` to reduce code duplication in UI construction

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  0.5 clean-up liberty-starter

  Difficulty 3/5 1-2 days Newbie friendliness 57/100

  OpenLiberty/liberty-tools-intellij#1821 · Opened Oct 29, 2026

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• Print CWSIS1559I and CWSIS1560I messages in liberty messages.log

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  Opened by external contributor

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  OpenLiberty/open-liberty#36175 · Opened Oct 28, 2026

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• Jakarta EE 12: Support Jakarta Connectors 3.0

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  Epic Feature jakartaEE12 Prioritization - Requested team:Zombie Apocalypse

  Difficulty 5/5 Over a week Newbie friendliness 10/100

  OpenLiberty/open-liberty#36174 · Opened Oct 28, 2026

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• Delegate type must implement or extend all decorated types with matching type parameters

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  Difficulty 1/5 Under an hour Newbie friendliness 15/100

  OpenLiberty/liberty-tools-intellij#1820 · Opened Oct 28, 2026

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• dev mode: missing IT coverage for generatedFeaturesModified() no-op and config-change paths

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  automated tests devMode

  Difficulty 4/5 3-5 days Newbie friendliness 46/100

  OpenLiberty/ci.maven#2138 · Opened Oct 27, 2026

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• SVT: LMP 4.0.0-SNAPSHOT generateFeatures results in 5 duplicate ee10 INFO messages displayed in Terminal output

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  Difficulty 2/5 1-3 hours Newbie friendliness 67/100

  OpenLiberty/ci.maven#2137 · Opened Oct 27, 2026

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• Replace maven-mapping in LooseEarApplication

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  Difficulty 3/5 1-2 days Newbie friendliness 68/100

  OpenLiberty/ci.maven#2134 · Opened Oct 26, 2026

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• Incorrect doc for jwtConsumer

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  release bug

  Difficulty 2/5 1-3 hours Newbie friendliness 68/100

  OpenLiberty/open-liberty#36124 · Opened Oct 22, 2026

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• Implement cancellation of tool calls in MCP `2026-07-28`

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  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  OpenLiberty/open-liberty#36116 · Opened Oct 22, 2026

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• Ignore cancellation notifications in MCP `2026-07-28`

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  Difficulty 2/5 1-3 hours Newbie friendliness 67/100

  OpenLiberty/open-liberty#36115 · Opened Oct 22, 2026

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• Use HTTP 404 for unknown JSON-RPC method error in MCP `2026-07-28`

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  OpenLiberty/open-liberty#36114 · Opened Oct 22, 2026

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• Add `cacheScope` and `ttlMs` to `tools/list` result

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  Difficulty 3/5 1-2 days Newbie friendliness 64/100

  OpenLiberty/open-liberty#36113 · Opened Oct 22, 2026

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• Validate `Mcp-Name` header for MCP `2026-07-28`

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  Difficulty 4/5 1-2 days Newbie friendliness 57/100

  OpenLiberty/open-liberty#36112 · Opened Oct 22, 2026

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• Validate `Mcp-Method` header for MCP `2026-07-28`

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  Difficulty 3/5 1-2 days Newbie friendliness 54/100

  OpenLiberty/open-liberty#36111 · Opened Oct 22, 2026

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• Implement `server/discover` for MCP `2026-07-28`

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  OpenLiberty/open-liberty#36110 · Opened Oct 22, 2026

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• Respond with `Unsupported protocol version` for MCP versions we do not recognise

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  Difficulty 4/5 3-5 days Newbie friendliness 52/100

  OpenLiberty/open-liberty#36109 · Opened Oct 22, 2026

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• Reject requests to methods removed in `2026-07-28`

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  OpenLiberty/open-liberty#36108 · Opened Oct 22, 2026

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• BETA BLOG - Preview of Jakarta Data 1.1 M4

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  Blog target:260012-beta target:beta

  Difficulty 1/5 Under an hour Newbie friendliness 18/100

  OpenLiberty/open-liberty#36091 · Opened Oct 21, 2026

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• Fix logging on restore

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  InstantOn:FullProfile

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  OpenLiberty/open-liberty#36073 · Opened Oct 19, 2026

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• batchmanager purge command does not recognize --instanceState argument

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  Opened by external contributor release bug

  Difficulty 3/5 1-2 days Newbie friendliness 54/100

  OpenLiberty/open-liberty#36072 · Opened Oct 19, 2026

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• Add Multi-Module Project Support for Maven Wrapper and Custom Maven Executables

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  3 dev-ex multi-module mvp

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  OpenLiberty/liberty-tools-intellij#1812 · Opened Oct 16, 2026

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• wildcard for war location

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  Feature Request: External Opened by external contributor

  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  OpenLiberty/open-liberty#36063 · Opened Oct 16, 2026

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• Audit codebase for threading issues - eliminate blocking-wait patterns on executing threads

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  concurrency

  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  OpenLiberty/liberty-tools-intellij#1809 · 1 comment · Opened Oct 16, 2026

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• EJB persistent timer results in IllegalArgumentException: last timeout x is after end time y

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  bug in:EJB Container team:Zombie Apocalypse

  OpenLiberty/open-liberty#36341 · 1 assignee · Opened Nov 11, 2026

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