{"record":{"id":"f25140fe1e7e4da2","repo":"apache/hadoop","slug":"position-check-failed-current-block-position-is-g","errorCode":null,"errorMessage":"Position check failed. Current block position is greater than or equal to the next block's position.\nCurrent Block Entry:\nBlock ID: {}, Position: {}, Status: {}, Path: {}, StreamID: {}, Next block position: {}\n","messagePattern":"Position check failed\\. Current block position is greater than or equal to the next block's position\\.\nCurrent Block Entry:\nBlock ID: (.+?), Position: (.+?), Status: (.+?), Path: (.+?), StreamID: (.+?), Next block position: (.+?)\n","errorType":"exception","errorClass":"IOException","httpStatus":null,"severity":"error","filePath":"hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AzureBlobBlockManager.java","lineNumber":199,"sourceCode":"            current.getBlockId(), current.getPosition(), current.getStatus());\n        throw new IOException(\"Flush failed. Block \" + current.getBlockId()\n            + \" with position \" + current.getPosition() + \" has status \"\n            + current.getStatus() + \"for path \" + getAbfsOutputStream().getPath());\n      }\n      if (!blockEntryList.isEmpty()) {\n        BlockEntry next = blockEntryList.getFirst();\n        if (current.getPosition() >= next.getPosition()) {\n          String errorMessage =\n              \"Position check failed. Current block position is greater than or equal to the next block's position.\\n\"\n                  + \"Current Block Entry:\\n\"\n                  + \"Block ID: \" + current.getBlockId()\n                  + \", Position: \" + current.getPosition()\n                  + \", Status: \" + current.getStatus()\n                  + \", Path: \" + getAbfsOutputStream().getPath()\n                  + \", StreamID: \" + getAbfsOutputStream().getStreamID()\n                  + \", Next block position: \" + next.getPosition()\n                  + \"\\n\";\n          throw new IOException(errorMessage);\n        }\n      }\n      // Append the current block's ID to the committedBlockBuilder\n      if (committedBlockEntries.length() > 0) {\n        committedBlockEntries.append(COMMA);\n      }\n      committedBlockEntries.append(current.getBlockId());\n      LOG.debug(\"Block {} added to committed entries.\", current.getBlockId());\n    }\n    return true;\n  }\n\n  /**\n   * Returns the block ID list.\n   *\n   * @return the block ID list\n   */\n  protected String getBlockIdToCommit() {","sourceCodeStart":181,"sourceCodeEnd":217,"githubUrl":"https://github.com/apache/hadoop/blob/2add9630210752f88ceb1bb74eb65e37bf41da8e/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AzureBlobBlockManager.java#L181-L217","documentation":"Error \"Position check failed. Current block position is greater than or equal to the next block's position.\nCurrent Block Entry:\nBlock ID: {}, Position: {}, Status: {}, Path: {}, StreamID: {}, Next block position: {}\n\" thrown in apache/hadoop.","triggerScenarios":"The current block position is greater than or equal to the next block position, indicating block list corruption.","commonSituations":"See trigger scenarios.","solutions":["Ensure a single writer per file; interleaved writers corrupt block position ordering.","Retry the write from a clean stream if state is corrupted."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"2add9630210752f88ceb1bb74eb65e37bf41da8e","analyzedAt":"2026-08-22T19:55:07.957Z","schemaVersion":2},"datasetVersion":"2026-08-22T20:17:22.307Z"}