Qilin Cao created HBASE-22683:
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             Summary: IOException should be recorded in log file when rest 
server obtain hbase connection
                 Key: HBASE-22683
                 URL: https://issues.apache.org/jira/browse/HBASE-22683
             Project: HBase
          Issue Type: Improvement
          Components: REST
    Affects Versions: 3.0.0
            Reporter: Qilin Cao


The REST server is successfully started,  when I send a http request to the 
server,  it response "Unavailable" result.Then I check the log file, there is 
no obviously error or warning logs, I must to debug the code to find out the 
real cause of it. Actually, it was caused by connection.

I think it is neccessary to record the class RESTServlet.java getAdmin() and 
getTable()  IOException to log file, it can make finding problems become simple.



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