{"record":{"id":"e4c7b53d2a3de27f","repo":"apache/flink","slug":"this-s3-file-system-implementation-does-not-suppor","errorCode":null,"errorMessage":"This s3 file system implementation does not support recoverable writers.","messagePattern":"This s3 file system implementation does not support recoverable writers\\.","errorType":"exception","errorClass":"UnsupportedOperationException","httpStatus":null,"severity":"error","filePath":"flink-filesystems/flink-s3-fs-base/src/main/java/org/apache/flink/fs/s3/common/FlinkS3FileSystem.java","lineNumber":491,"sourceCode":"    public String getEntropyInjectionKey() {\n        return entropyInjectionKey;\n    }\n\n    @Override\n    public String generateEntropy() {\n        return StringUtils.generateRandomAlphanumericString(\n                ThreadLocalRandom.current(), entropyLength);\n    }\n\n    public String getLocalTmpDir() {\n        return localTmpDir;\n    }\n\n    @Override\n    public RecoverableWriter createRecoverableWriter() throws IOException {\n        if (s3AccessHelper == null) {\n            // this is the case for Presto\n            throw new UnsupportedOperationException(\n                    \"This s3 file system implementation does not support recoverable writers.\");\n        }\n\n        return S3RecoverableWriter.writer(\n                getHadoopFileSystem(),\n                tmpFileCreator,\n                s3AccessHelper,\n                uploadThreadPool,\n                s3uploadPartSize,\n                maxConcurrentUploadsPerStream);\n    }\n}\n","sourceCodeStart":473,"sourceCodeEnd":504,"githubUrl":"https://github.com/apache/flink/blob/2f3c205e9266cb30240eb7f4fdab15cad629a70f/flink-filesystems/flink-s3-fs-base/src/main/java/org/apache/flink/fs/s3/common/FlinkS3FileSystem.java#L473-L504","documentation":"Error \"This s3 file system implementation does not support recoverable writers.\" thrown in apache/flink.","triggerScenarios":"Triggered at runtime when the operation fails because: This s3 file system implementation does not support recoverable writers.","commonSituations":"Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: This s3 file system implementation does not support recoverable writers.","solutions":["Address the cause reported by the error message: This s3 file system implementation does not support recoverable writers.","Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry."],"exampleFix":"Correct the condition described (\"This s3 file system implementation does not support recoverable writers.\") and rerun the job or command.","handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"2f3c205e9266cb30240eb7f4fdab15cad629a70f","analyzedAt":"2026-08-14T08:48:24.518Z","schemaVersion":2},"datasetVersion":"2026-08-14T10:17:34.591Z"}