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@@ -20,6 +20,7 @@
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<%@ page
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contentType="text/html; charset=UTF-8"
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import="org.apache.hadoop.util.ServletUtil"
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+ import="org.apache.hadoop.ha.HAServiceProtocol.HAServiceState"
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%>
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<%!
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//for java.io.Serializable
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@@ -30,6 +31,7 @@
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NameNode nn = NameNodeHttpServer.getNameNodeFromContext(application);
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FSNamesystem fsn = nn.getNamesystem();
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String namenodeRole = nn.getRole().toString();
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+ String namenodeState = HAServiceState.ACTIVE.equals(nn.getServiceState()) ? "active" : "standby";
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String namenodeLabel = nn.getNameNodeAddress().getHostName() + ":" + nn.getNameNodeAddress().getPort();
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%>
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@@ -40,7 +42,7 @@
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<title>Hadoop <%=namenodeRole%> <%=namenodeLabel%></title>
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<body>
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-<h1><%=namenodeRole%> '<%=namenodeLabel%>'</h1>
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+<h1><%=namenodeRole%> '<%=namenodeLabel%>' (<%=namenodeState%>)</h1>
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<%= NamenodeJspHelper.getVersionTable(fsn) %>
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<br />
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<b><a href="/nn_browsedfscontent.jsp">Browse the filesystem</a></b><br>
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Todd Lipcon