YARN-6275. Fail to show real-time tracking charts in SLS (yufeigu via rkanter)

hadoop-tools/hadoop-sls/src/main/bin/slsrun.sh

@@ -103,12 +103,16 @@ function run_simulation() {
   hadoop_java_exec sls org.apache.hadoop.yarn.sls.SLSRunner ${args}
 }
 
+this="${BASH_SOURCE-$0}"
+bin=$(cd -P -- "$(dirname -- "${this}")" >/dev/null && pwd -P)
+
+# copy 'html' directory to current directory to make sure web sever can access
+cp -r "${bin}/../html" "$(pwd)"
+
 # let's locate libexec...
 if [[ -n "${HADOOP_HOME}" ]]; then
   HADOOP_DEFAULT_LIBEXEC_DIR="${HADOOP_HOME}/libexec"
 else
-  this="${BASH_SOURCE-$0}"
-  bin=$(cd -P -- "$(dirname -- "${this}")" >/dev/null && pwd -P)
   HADOOP_DEFAULT_LIBEXEC_DIR="${bin}/../../../../../libexec"
 fi
 

hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/web/SLSWebApp.java

@@ -39,6 +39,7 @@ import org.apache.hadoop.yarn.sls.SLSRunner;
 import org.apache.hadoop.yarn.sls.scheduler.FairSchedulerMetrics;
 import org.apache.hadoop.yarn.sls.scheduler.SchedulerMetrics;
 import org.apache.hadoop.yarn.sls.scheduler.SchedulerWrapper;
+import org.eclipse.jetty.http.MimeTypes;
 import org.eclipse.jetty.server.Handler;
 import org.eclipse.jetty.server.Request;
 import org.eclipse.jetty.server.Server;
@@ -118,6 +119,7 @@ public class SLSWebApp extends HttpServlet {
   public void start() throws Exception {
     // static files
     final ResourceHandler staticHandler = new ResourceHandler();
+    staticHandler.setMimeTypes(new MimeTypes());
     staticHandler.setResourceBase("html");
 
     Handler handler = new AbstractHandler() {