{"record":{"id":"37e0a9c74b98cf93","repo":"apache/cassandra","slug":"current-version-currentversion-is-older-than-th","errorCode":null,"errorMessage":"Current version ${currentVersion} is older than the target serialization version ${finalVersion}. Cannot proceed further. Try modifying cluster metadata using binaries that support minimum serialization version: ${finalVersion}.","messagePattern":"Current version (.+?) is older than the target serialization version (.+?)\\. Cannot proceed further\\. Try modifying cluster metadata using binaries that support minimum serialization version: (.+?)\\.","errorType":"exception","errorClass":"IllegalArgumentException","httpStatus":null,"severity":"error","filePath":"src/java/org/apache/cassandra/tools/CMSOfflineTool.java","lineNumber":217,"sourceCode":"\n            // Step 2: User-specified version takes precedence\n            if (serializationVersion != null)\n            {\n                // Warn if user-specified version is older than what the metadata was written with\n                if (serializationVersion.isBefore(finalVersion))\n                {\n                    parent.output.err.printf(\"WARNING: Given serialization version %s is older than \" +\n                                             \"the version in cluster metadata (%s). Proceeding as requested.%n\",\n                                             serializationVersion, finalVersion);\n                }\n                finalVersion = serializationVersion;\n            }\n\n            // Step 3: Current binary version must be able to handle the finalized version\n            Version currentVersion = NodeVersion.CURRENT.serializationVersion();\n            if (currentVersion.isBefore(finalVersion))\n            {\n                throw new IllegalArgumentException(\"Current version \" + currentVersion +\n                                                   \" is older than the target serialization version \" +\n                                                   finalVersion + \". Cannot proceed further. \" +\n                                                   \"Try modifying cluster metadata using binaries that support \" +\n                                                   \"minimum serialization version: \" + finalVersion + '.');\n            }\n\n            return finalVersion;\n        }\n    }\n\n    /**\n     * Base class for commands that cancel an in-progress sequence for a given node.\n     * Subclasses specify which sequence kinds they handle via {@link #supportedKinds()} and\n     * may apply additional transformations after cancellation via {@link #postCancel}.\n     */\n    abstract static class AbstractAbortSequence extends ClusterMetadataToolCmd\n    {\n        @CommandLine.ArgGroup(exclusive = true, multiplicity = \"1\")","sourceCodeStart":199,"sourceCodeEnd":235,"githubUrl":"https://github.com/apache/cassandra/blob/88fd0f6a0eaed8943f05ac9e8f947882b8ddc8f1/src/java/org/apache/cassandra/tools/CMSOfflineTool.java#L199-L235","documentation":"Thrown by CMSOfflineTool.getSerializationVersion() when the tool's current binary serialization version is older than the final (minimum) version required to represent the metadata being modified. Older binaries cannot safely write cluster metadata records that newer nodes depend on.","triggerScenarios":"Running CMSOfflineTool with an older Cassandra build against a dump whose finalized serialization version exceeds NodeVersion.CURRENT.serializationVersion().","commonSituations":"Editing a metadata dump taken from an upgraded/newer cluster using older offline tool binaries; version skew between the dump producer and the machine running the offline tool.","solutions":["Upgrade to Cassandra binaries whose serialization version supports the dump's finalVersion, then re-run the tool","Regenerate/modify the dump on a machine running the same (or newer) version that created it","Do not downgrade cluster metadata; use binaries at least as new as the cluster"],"exampleFix":"# before: old build reads dump requiring newer version\ncms offline ...  # fails: current v(n) < final v(n+1)\n# after: use upgraded binaries\ncassandra-new/bin/cms offline ...","handlingStrategy":"validation","validationCode":"Version current = NodeVersion.CURRENT.serializationVersion();\nVersion required = computeFinalVersion(dump);\nif (current.isBefore(required)) { /* run tool with newer binaries */ }","typeGuard":null,"tryCatchPattern":"try { tool.execute(); } catch (IllegalArgumentException e) { if (e.getMessage().contains(\"is older than the target serialization version\")) { /* upgrade binaries and retry */ } else throw e; }","preventionTips":["Always run CMS offline tools with binaries >= the cluster version that produced the dump","Standardize tool versions across ops machines","Check release notes for serialization version bumps before offline edits"],"tags":["serialization-version","version-skew","cluster-metadata"],"backgroundTag":"incompatible-source-type","analyzedSha":"88fd0f6a0eaed8943f05ac9e8f947882b8ddc8f1","analyzedAt":"2026-09-10T07:29:22.284Z","contentChangedAt":"2026-09-10T07:29:22.284Z","schemaVersion":2},"datasetVersion":"2026-09-17T15:17:12.973Z"}