{"record":{"id":"5e1445d0004b084b","repo":"apache/cassandra","slug":"could-not-determine-partitioner-for-tableid-s","errorCode":null,"errorMessage":"Could not determine partitioner for tableId %s","messagePattern":"Could not determine partitioner for tableId (.+?)","errorType":"exception","errorClass":"IllegalArgumentException","httpStatus":null,"severity":"error","filePath":"src/java/org/apache/cassandra/db/streaming/CassandraStreamHeader.java","lineNumber":228,"sourceCode":"            for (int k = 0; k < count; k++)\n                sections.add(new SSTableReader.PartitionPositionBounds(in.readLong(), in.readLong()));\n            CompressionInfo compressionInfo = CompressionInfo.serializer.deserialize(in, version);\n            int sstableLevel = in.readInt();\n\n            SerializationHeader.Component header =  SerializationHeader.serializer.deserialize(sstableVersion, in);\n\n            TableId tableId = TableId.deserialize(in);\n            boolean isEntireSSTable = in.readBoolean();\n            ComponentManifest manifest = null;\n            DecoratedKey firstKey = null;\n\n            if (isEntireSSTable)\n            {\n                manifest = ComponentManifest.serializers.get(format.name()).deserialize(in, version);\n                ByteBuffer keyBuf = ByteBufferUtil.readWithVIntLength(in);\n                IPartitioner partitioner = partitionerMapper.apply(tableId);\n                if (partitioner == null)\n                    throw new IllegalArgumentException(String.format(\"Could not determine partitioner for tableId %s\", tableId));\n                firstKey = partitioner.decorateKey(keyBuf);\n            }\n\n            return builder().withSSTableVersion(sstableVersion)\n                            .withSSTableLevel(sstableLevel)\n                            .withEstimatedKeys(estimatedKeys)\n                            .withSections(sections)\n                            .withCompressionInfo(compressionInfo)\n                            .withSerializationHeader(header)\n                            .withComponentManifest(manifest)\n                            .isEntireSSTable(isEntireSSTable)\n                            .withFirstKey(firstKey)\n                            .withTableId(tableId)\n                            .build();\n        }\n\n        public long serializedSize(CassandraStreamHeader header, int version)\n        {","sourceCodeStart":210,"sourceCodeEnd":246,"githubUrl":"https://github.com/apache/cassandra/blob/88fd0f6a0eaed8943f05ac9e8f947882b8ddc8f1/src/java/org/apache/cassandra/db/streaming/CassandraStreamHeader.java#L210-L246","documentation":"In CassandraStreamHeader.serializer.deserialize, the SchemaLookup/table lookup for the deserialized tableId returns no partitioner, so the header cannot be completed: the receiving node lacks schema (or metadata) for the streamed table. Deserialization fails with 'Could not determine partitioner for tableId %s', aborting the stream message.","triggerScenarios":"Thrown at src/java/org/apache/cassandra/db/streaming/CassandraStreamHeader.java:228 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Ensure the table metadata for the given tableId exists on this node before deserializing the stream header","Re-sync schema and restart the stream session"],"exampleFix":null,"handlingStrategy":"fallback","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"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"}