1.0.4中启动任务跟踪器时出现io异常

w3nuxt5m 于 2021-06-03 发布在 Hadoop

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ERROR org.apache.hadoop.mapred.TaskTracker: Can not start task tracker because java.io.IOException: Failed to set permissions of path: \tmp\hadoop-SYSTEM\mapred\local\taskTracker to 0755
    at org.apache.hadoop.fs.FileUtil.checkReturnValue(FileUtil.java:689)
    at org.apache.hadoop.fs.FileUtil.setPermission(FileUtil.java:670)
    at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:509)
    at org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:344)
    at org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:189)
    at org.apache.hadoop.mapred.TaskTracker.initialize(TaskTracker.java:723)
    at org.apache.hadoop.mapred.TaskTracker.<init>(TaskTracker.java:1459)
    at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:3742)
INFO org.apache.hadoop.mapred.TaskTracker: SHUTDOWN_MSG

hadoop

来源：https://stackoverflow.com/questions/13839320/need-help-to-start-task-tracker-in-hadoop-1-0-4-having-io-exception