[jira] [Created] (HBASE-8038) Repeat modify HTableDescriptor in TableModifyFamilyHandler

["binlijin (JIRA)" <ji...@apache.org>]

binlijin created HBASE-8038:
-------------------------------

             Summary: Repeat modify HTableDescriptor in TableModifyFamilyHandler
                 Key: HBASE-8038
                 URL: https://issues.apache.org/jira/browse/HBASE-8038
             Project: HBase
          Issue Type: Bug
            Reporter: binlijin


{code}
TableModifyFamilyHandler:
  protected void handleTableOperation(List<HRegionInfo> regions) throws IOException {
    // Update table descriptor in HDFS
    HTableDescriptor htd =
      this.masterServices.getMasterFileSystem().modifyColumn(tableName, familyDesc);
    // Update in-memory descriptor cache
    this.masterServices.getTableDescriptors().add(htd); // 2
  }
MasterFileSystem:
  public HTableDescriptor modifyColumn(byte[] tableName, HColumnDescriptor hcd)
      throws IOException {
    this.services.getTableDescriptors().add(htd); // 1
    return htd;
  }
{code}
The FSTableDescriptors.add(HTableDescriptor htd) is called twice, we should remove one.

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