MAPREDUCE-3999. Tracking link gives an error if the AppMaster hasn't started yet (Ravi Prakash via bobby)
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1309108 13f79535-47bb-0310-9956-ffa450edef68
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@ -234,6 +234,9 @@ Release 0.23.3 - UNRELEASED
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MAPREDUCE-3988. mapreduce.job.local.dir doesn't point to a single directory
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on a node. (Eric Payne via bobby)
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MAPREDUCE-3999. Tracking link gives an error if the AppMaster hasn't
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started yet (Ravi Prakash via bobby)
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Release 0.23.2 - UNRELEASED
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INCOMPATIBLE CHANGES
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@ -37,9 +37,9 @@ import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.httpclient.Header;
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import org.apache.commons.httpclient.HostConfiguration;
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import org.apache.commons.httpclient.HttpClient;
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import org.apache.commons.httpclient.HttpMethod;
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import org.apache.commons.httpclient.HostConfiguration;
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import org.apache.commons.httpclient.cookie.CookiePolicy;
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import org.apache.commons.httpclient.methods.GetMethod;
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import org.apache.commons.httpclient.params.HttpClientParams;
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@ -260,7 +260,24 @@ public class WebAppProxyServlet extends HttpServlet {
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URI trackingUri = ProxyUriUtils.getUriFromAMUrl(
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applicationReport.getOriginalTrackingUrl());
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if(applicationReport.getOriginalTrackingUrl().equals("N/A")) {
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notFound(resp, "The MRAppMaster died before writing anything.");
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String message;
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switch(applicationReport.getFinalApplicationStatus()) {
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case FAILED:
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case KILLED:
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case SUCCEEDED:
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message =
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"The requested application exited before setting a tracking URL.";
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break;
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case UNDEFINED:
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message = "The requested application does not appear to be running "
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+"yet, and has not set a tracking URL.";
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break;
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default:
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//This should never happen, but just to be safe
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message = "The requested application has not set a tracking URL.";
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break;
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}
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notFound(resp, message);
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return;
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}
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