tail.jsp
6c2cef95801e2.3.0_2.4.1

tail.jsp
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			<%
			/*
			* Licensed to the Apache Software Foundation (ASF) under one
			* or more contributor license agreements. See the NOTICE file
			* distributed with this work for additional information
			* regarding copyright ownership. The ASF licenses this file
			* to you under the Apache License, Version 2.0 (the
			* "License"); you may not use this file except in compliance
			* with the License. You may obtain a copy of the License at
			*
			* http://www.apache.org/licenses/LICENSE-2.0
			*
			* Unless required by applicable law or agreed to in writing, software
			* distributed under the License is distributed on an "AS IS" BASIS,
			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			* See the License for the specific language governing permissions and
			* limitations under the License.
			*/
			%>
			<%@ page
			contentType="text/html; charset=UTF-8"
			import="org.apache.hadoop.hdfs.server.common.JspHelper"
			import="org.apache.hadoop.util.ServletUtil"
			import="org.apache.hadoop.conf.Configuration"
			%>
			<%!
			//for java.io.Serializable
			private static final long serialVersionUID = 1L;
			%>
			<!DOCTYPE html>
			<html>
			<head>
			<%JspHelper.createTitle(out, request, request.getParameter("filename")); %>
			</head>
			<body>
			<form action="/tail.jsp" method="GET">
			<%
			Configuration conf =
			(Configuration) application.getAttribute(JspHelper.CURRENT_CONF);
			DatanodeJspHelper.generateFileChunksForTail(out,request, conf);
			%>
			</form>
			<hr>

			<h2>Local logs</h2>
			<a href="/logs/">Log</a> directory

			<%
			out.println(ServletUtil.htmlFooter());
			%>