{"record":{"id":"14a75e5efe796aa7","repo":"apache/hadoop","slug":"invalid-target-name","errorCode":null,"errorMessage":"Invalid target name: {}","messagePattern":"Invalid target name: (.+?)","errorType":"exception","errorClass":"InvalidPathException","httpStatus":null,"severity":"error","filePath":"hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirSymlinkOp.java","lineNumber":47,"sourceCode":"\nimport java.io.IOException;\n\nimport static org.apache.hadoop.util.Time.now;\n\nclass FSDirSymlinkOp {\n\n  static FileStatus createSymlinkInt(\n      FSNamesystem fsn, String target, final String linkArg,\n      PermissionStatus dirPerms, boolean createParent, boolean logRetryCache)\n      throws IOException {\n    FSDirectory fsd = fsn.getFSDirectory();\n    String link = linkArg;\n    if (!DFSUtil.isValidName(link)) {\n      throw new InvalidPathException(\"Invalid link name: \" + link);\n    }\n    if (FSDirectory.isReservedName(target) || target.isEmpty()\n        || FSDirectory.isExactReservedName(target)) {\n      throw new InvalidPathException(\"Invalid target name: \" + target);\n    }\n\n    if (NameNode.stateChangeLog.isDebugEnabled()) {\n      NameNode.stateChangeLog.debug(\"DIR* NameSystem.createSymlink: target=\"\n          + target + \" link=\" + link);\n    }\n\n    FSPermissionChecker pc = fsn.getPermissionChecker();\n    INodesInPath iip;\n    fsd.writeLock();\n    try {\n      iip = fsd.resolvePath(pc, link, DirOp.WRITE_LINK);\n      link = iip.getPath();\n      if (!createParent) {\n        fsd.verifyParentDir(iip);\n      }\n      if (!fsd.isValidToCreate(link, iip)) {\n        throw new IOException(","sourceCodeStart":29,"sourceCodeEnd":65,"githubUrl":"https://github.com/apache/hadoop/blob/2add9630210752f88ceb1bb74eb65e37bf41da8e/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirSymlinkOp.java#L29-L65","documentation":"Error \"Invalid target name: {}\" thrown in apache/hadoop.","triggerScenarios":"Creating a symlink whose target path is null or empty.","commonSituations":"See trigger scenarios.","solutions":["Provide a valid symlink target path (non-empty, properly formed)."],"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"}