minor jetty upgrade related fixes

Author: omkreddy

.semaphore/semaphore.yml

@@ -14,7 +14,7 @@ fail_fast:
     when: "true"
 
 execution_time_limit:
-  hours: 3
+  hours: 1
 
 queue:
   - when: "branch != 'master' and branch !~ '[0-9]+\\.[0-9]+\\.[0-9]+'"

src/main/java/io/confluent/examples/streams/interactivequeries/WordCountInteractiveQueriesRestService.java

@@ -275,9 +275,7 @@ void start(final int port) throws Exception {
     connector.setHost(hostInfo.host());
     connector.setPort(port);
     jettyServer.addConnector(connector);
-  
-    context.start();
-    
+
     try {
       jettyServer.start();
     } catch (final java.net.SocketException exception) {

src/main/java/io/confluent/examples/streams/interactivequeries/kafkamusic/MusicPlaysRestService.java

@@ -232,9 +232,7 @@ void start() throws Exception {
     connector.setHost(hostInfo.host());
     connector.setPort(hostInfo.port());
     jettyServer.addConnector(connector);
-  
-    context.start();
-  
+
     try {
       jettyServer.start();
     } catch (final java.net.SocketException exception) {

src/test/java/io/confluent/examples/streams/interactivequeries/kafkamusic/KafkaMusicExampleTest.java

@@ -190,7 +190,7 @@ private void createStreams(final String host) throws Exception {
         restProxy = KafkaMusicExample.startRestProxy(streams, new HostInfo(host, appServerPort));
         break;
       } catch (final Exception ex) {
-        log.error("Could not start Rest Service due to: " + ex.toString());
+        log.error("Could not start Rest Service due to: " + ex.toString(), ex);
       }
       count++;
     }