{"record":{"id":"2721a3cf428cfb76","repo":"apache/flink","slug":"failed-to-dispose-the-savepoint","errorCode":null,"errorMessage":"Failed to dispose the savepoint '{}'.","messagePattern":"Failed to dispose the savepoint '(.+?)'\\.","errorType":"exception","errorClass":"FlinkException","httpStatus":null,"severity":"critical","filePath":"flink-clients/src/main/java/org/apache/flink/client/cli/CliFrontend.java","lineNumber":924,"sourceCode":"    private void disposeSavepoint(\n            ClusterClient<?> clusterClient, String savepointPath, Duration clientTimeout)\n            throws FlinkException {\n        checkNotNull(\n                savepointPath,\n                \"Missing required argument: savepoint path. \"\n                        + \"Usage: bin/flink savepoint -d <savepoint-path>\");\n\n        logAndSysout(\"Disposing savepoint '\" + savepointPath + \"'.\");\n\n        final CompletableFuture<Acknowledge> disposeFuture =\n                clusterClient.disposeSavepoint(savepointPath);\n\n        logAndSysout(\"Waiting for response...\");\n\n        try {\n            disposeFuture.get(clientTimeout.toMillis(), TimeUnit.MILLISECONDS);\n        } catch (Exception e) {\n            throw new FlinkException(\"Failed to dispose the savepoint '\" + savepointPath + \"'.\", e);\n        }\n\n        logAndSysout(\"Savepoint '\" + savepointPath + \"' disposed.\");\n    }\n\n    /**\n     * Executes the CHECKPOINT action.\n     *\n     * @param args Command line arguments for the checkpoint action.\n     */\n    protected void checkpoint(String[] args) throws Exception {\n        LOG.info(\"Running 'checkpoint' command.\");\n\n        final Options commandOptions = CliFrontendParser.getCheckpointCommandOptions();\n\n        final CommandLine commandLine = getCommandLine(commandOptions, args, false);\n\n        final CheckpointOptions checkpointOptions = new CheckpointOptions(commandLine);","sourceCodeStart":906,"sourceCodeEnd":942,"githubUrl":"https://github.com/apache/flink/blob/2f3c205e9266cb30240eb7f4fdab15cad629a70f/flink-clients/src/main/java/org/apache/flink/client/cli/CliFrontend.java#L906-L942","documentation":"Thrown from NestedPrimitiveColumnReader.initDataReader when dataColumn.initFromPage(pageValueCount, in) fails with IOException — the nested column's values reader could not initialize over the page body (after repetition/definition levels were consumed). It wraps the real cause (truncation, malformed values payload) with column context.","triggerScenarios":"Page body shorter than the values reader expects for pageValueCount values; invalid value payloads for the encoding; stream position corruption after level decoding; decompression anomalies.","commonSituations":"Truncated/corrupt files; writers with page-sizing bugs for nested columns; files damaged in storage or transfer.","solutions":["Read the cause: EOF vs. illegal values narrows truncation vs. corruption","Verify file integrity and re-read a clean copy; cross-check with `parquet-tools dump`","If reproducible in reference readers, the file is malformed — regenerate at the source","If only Flink fails, minimize the file and report to Flink (parquet component)"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"try {\n    nestedReader.readAndNewVector(...);\n} catch (IOException e) {\n    // 'Could not read page in col %s.' — inspect root cause; deterministic per file\n    throw new CorruptParquetFileException(path, descriptor, e);\n}","preventionTips":["Checksum-verify file transfers; atomic-publish finished files only","Cross-validate suspicious files with parquet-tools before escalation","Include column path and row-group ordinal in surrounding diagnostics"],"tags":["parquet","nested","io","data-corruption"],"backgroundTag":null,"analyzedSha":"2f3c205e9266cb30240eb7f4fdab15cad629a70f","analyzedAt":"2026-08-14T08:48:24.518Z","schemaVersion":2},"datasetVersion":"2026-08-14T10:17:34.591Z"}