Hbase 错误。 org.apache.hadoop.hbase.client.RetriesExhaustedException : Failed after attempts=10, 异常

Question

我正在使用 Hbase，当我查询 Hbase 时，我开始遇到一个难看的错误。

问题是当我尝试与 Hbase 建立连接时，出现此错误。唯一的一点是我使用了线程，但实际上并没有太多。

Caused by: org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=10, exceptions:
Wed Dec 04 16:09:13 CET 2013, org.apache.hadoop.hbase.client.HTable$5@7271601f, java.io.IOException: org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@35cc96e8 closed
Wed Dec 04 16:09:14 CET 2013, org.apache.hadoop.hbase.client.HTable$5@7271601f, java.io.IOException: org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@35cc96e8 closed
Wed Dec 04 16:09:15 CET 2013, org.apache.hadoop.hbase.client.HTable$5@7271601f, java.io.IOException: org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@35cc96e8 closed
Wed Dec 04 16:09:16 CET 2013, org.apache.hadoop.hbase.client.HTable$5@7271601f, java.io.IOException: org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@35cc96e8 closed
Wed Dec 04 16:09:18 CET 2013, org.apache.hadoop.hbase.client.HTable$5@7271601f, java.io.IOException: org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@35cc96e8 closed
Wed Dec 04 16:09:20 CET 2013, org.apache.hadoop.hbase.client.HTable$5@7271601f, java.io.IOException: org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@35cc96e8 closed
Wed Dec 04 16:09:24 CET 2013, org.apache.hadoop.hbase.client.HTable$5@7271601f, java.io.IOException: org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@35cc96e8 closed
Wed Dec 04 16:09:28 CET 2013, org.apache.hadoop.hbase.client.HTable$5@7271601f, java.io.IOException: org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@35cc96e8 closed
Wed Dec 04 16:09:36 CET 2013, org.apache.hadoop.hbase.client.HTable$5@7271601f, java.io.IOException: org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@35cc96e8 closed
Wed Dec 04 16:09:52 CET 2013, org.apache.hadoop.hbase.client.HTable$5@7271601f, java.io.IOException: org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@35cc96e8 closed

    at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithRetries(HConnectionManager.java:1345)
    at org.apache.hadoop.hbase.client.HTable.get(HTable.java:706)
    at org.apache.hadoop.hbase.client.HTablePool$PooledHTable.get(HTablePool.java:362)

我第一次关闭了代码的某些部分的连接，所以下次我尝试获取它已关闭的连接。

Answer 1

您的 HMaster 或区域服务器未运行。检查您的日志。你能用吗hbase shell做一个list命令？