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HDFS-16687. RouterFsckServlet replicates code from DfsServlet base class #4681

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Aug 3, 2022
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HDFS-16687. RouterFsckServlet replicates code from DfsServlet base class #4681

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16 changes: 2 additions & 14 deletions ...-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterFsckServlet.java
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Original file line number Diff line number Diff line change
Expand Up @@ -25,20 +25,19 @@
import java.util.Map;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.server.common.JspHelper;
import org.apache.hadoop.hdfs.server.namenode.DfsServlet;
import org.apache.hadoop.security.UserGroupInformation;

/**
* This class is used in Namesystem's web server to do fsck on namenode.
*/
@InterfaceAudience.Private
public class RouterFsckServlet extends HttpServlet {
public class RouterFsckServlet extends DfsServlet {
/** for java.io.Serializable. */
private static final long serialVersionUID = 1L;

Expand Down Expand Up @@ -67,15 +66,4 @@ public void doGet(HttpServletRequest request, HttpServletResponse response)
}
}

/**
* Copy from {@link org.apache.hadoop.hdfs.server.namenode.DfsServlet}.
* @param request Http request from the user
* @param conf configuration
* @return ugi of the requested user
* @throws IOException failed to get ugi
*/
protected UserGroupInformation getUGI(HttpServletRequest request,
Configuration conf) throws IOException {
return JspHelper.getUGI(getServletContext(), request, conf);
}
}