Meteor-rejects-addon-0.3--3-.jar May 2026

| Segment | Meaning | | :--- | :--- | | meteor | Targets the Meteor Client ecosystem | | rejects-addon | Indicates this is an addon designed to handle "rejections" (either rejecting certain server packets or being rejected by anti-cheat) | | 0.3 | Major/minor version 0.3 | | --3 | Likely a build or patch number. The double dash usually denotes a pre-release or a hotfix (e.g., 0.3 patch 3) | | .jar | Java archive – executable mod file for Fabric Loader |

Downgrade Meteor Client to the version compatible with addon version 0.3--3, or find an updated Rejects addon. 2. Addon rejected by server: meteor-rejects-addon-0.3--3-.jar is not allowed Symptoms: Server kicks you immediately upon joining with a custom message. Cause: The server uses a plugin like AntiAddon or ProtocolLib to scan for known malicious addon filenames. The exact string meteor-rejects-addon is blacklisted. meteor-rejects-addon-0.3--3-.jar

checks: known-modules: block-filenames: - "meteor-rejects-addon" - "rejects-0.3--3" Additionally, enable hash-based detection by running a SHA-256 on the file: | Segment | Meaning | | :--- |

Rename the file to something innocuous like fabric-api-0.3.jar . This is not foolproof (hash-based detection still works), but it bypasses basic string matching. 3. Addon failed to load: mismatched version schema Symptoms: In the Meteor Client GUI (press Right Shift), click "Addons" – you see a red box instead of green. Cause: The fabric.mod.json inside the JAR declares a version 0.3--3 but Meteor expects semantic versioning like 0.3.3 . The double dash corrupts the version parser. Addon rejected by server: meteor-rejects-addon-0