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  • java.io.IOException: There appears to be a gap in the edit log. We expected txid ***, but got txid

    方式1

    原因:namenode元数据被破坏,需要修复
    解决:恢复一下namenode

    hadoop namenode -recover


    一路选择Y,一般就OK了

    方式2

    Need to copy the edits file to the journal node (I have 3 journal node s101 s102 s103)

    [centos@s100 /home/centos/hadoop/ha/dfs/name1/current]$scp edits_0000000000000000041-0000000000000000043 centos@s101:/home/centos/hadoop/ha/dfs/journal/mycluster/current
    
    
    [centos@s100 /home/centos/hadoop/ha/dfs/name1/current]$scp edits_0000000000000000041-0000000000000000043 centos@s102:/home/centos/hadoop/ha/dfs/journal/mycluster/current
    
    [centos@s100 /home/centos/hadoop/ha/dfs/name1/current]$scp edits_0000000000000000041-0000000000000000043 centos@s103:/home/centos/hadoop/ha/dfs/journal/mycluster/current
    
    [centos@s100 /home/centos/hadoop/ha/dfs/name1/current]$hdfs zkfc -formatZK

    https://blog.csdn.net/u011478909/article/details/51864071

    https://blog.csdn.net/wqhaber/article/details/77529049

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  • 原文地址:https://www.cnblogs.com/felixzh/p/9881036.html
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