diff --git a/pom.xml b/pom.xml
index 2b1198e9..39aa780d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,8 +31,8 @@
     <maven.build.timestamp.format>yyyy-MM-dd-HH-mm</maven.build.timestamp.format>
     <gcloud.api.bom.version>0.84.0-alpha</gcloud.api.bom.version>
     <jetty9.minor.version>4</jetty9.minor.version>
-    <jetty9.dot.version>17</jetty9.dot.version>
-    <jetty9.version>9.${jetty9.minor.version}.${jetty9.dot.version}.v20190418</jetty9.version>
+    <jetty9.dot.version>18</jetty9.dot.version>
+    <jetty9.version>9.${jetty9.minor.version}.${jetty9.dot.version}.v20190429</jetty9.version>
     <docker.tag.prefix></docker.tag.prefix>
     <docker.tag.short>${docker.tag.prefix}9.${jetty9.minor.version}</docker.tag.short>
     <docker.tag.long>${docker.tag.prefix}9.${jetty9.minor.version}-${maven.build.timestamp}</docker.tag.long>
diff --git a/scripts/local_integration_test.sh b/scripts/local_integration_test.sh
index 102de19d..0d0245a1 100755
--- a/scripts/local_integration_test.sh
+++ b/scripts/local_integration_test.sh
@@ -46,7 +46,7 @@ docker build -t $APP_IMAGE . || gcloud docker -- build -t $APP_IMAGE .
 
 # run app container locally to test shutdown logging
 echo "Starting app container..."
-docker run --rm --name $CONTAINER -e "SHUTDOWN_LOGGING_THREAD_DUMP=true" -e "SHUTDOWN_LOGGING_HEAP_INFO=true" $APP_IMAGE &> $OUTPUT_FILE &
+docker run --rm --name $CONTAINER -e "HEAP_SIZE_MB=512" -e "SHUTDOWN_LOGGING_THREAD_DUMP=true" -e "SHUTDOWN_LOGGING_HEAP_INFO=true" $APP_IMAGE &> $OUTPUT_FILE &
 
 function waitForOutput() {
   found_output='false'
@@ -76,4 +76,4 @@ waitForOutput 'num.*instances.*bytes.*class name'
 
 popd
 
-echo 'OK'
\ No newline at end of file
+echo 'OK'
diff --git a/tests/gcloud-testing-core/src/main/java/com/google/cloud/runtime/jetty/util/HttpUrlUtil.java b/tests/gcloud-testing-core/src/main/java/com/google/cloud/runtime/jetty/util/HttpUrlUtil.java
index eec5c3a4..ebf66139 100644
--- a/tests/gcloud-testing-core/src/main/java/com/google/cloud/runtime/jetty/util/HttpUrlUtil.java
+++ b/tests/gcloud-testing-core/src/main/java/com/google/cloud/runtime/jetty/util/HttpUrlUtil.java
@@ -46,30 +46,36 @@ public final class HttpUrlUtil {
    * @param unit     the time unit to wait for server up
    */
   public static void waitForServerUp(URI uri, int duration, TimeUnit unit) {
-    System.err.println("Waiting for server up: " + uri);
-    boolean waiting = true;
+
+    log.info("Waiting for server up: " + uri);
+    boolean ok = false;
+    long wait = 0;
     long expiration = System.currentTimeMillis() + unit.toMillis(duration);
-    while (waiting && System.currentTimeMillis() < expiration) {
+    while (!ok && System.currentTimeMillis() < expiration) {
       try {
-        System.out.print(".");
         HttpURLConnection http = openTo(uri);
         int statusCode = http.getResponseCode();
-        if (statusCode != HttpURLConnection.HTTP_OK) {
-          log.log(Level.FINER, "Waiting 2s for next attempt");
-          TimeUnit.SECONDS.sleep(2);
-        } else {
-          waiting = false;
+        if (statusCode == HttpURLConnection.HTTP_OK) {
+          ok = true;
+          break;
         }
       } catch (MalformedURLException e) {
         throw new IllegalArgumentException("Invalid URI: " + uri.toString());
       } catch (IOException e) {
+        log.log(Level.INFO, "Ignoring IOException: " + e);
         log.log(Level.FINEST, "Ignoring IOException", e);
+      }
+      try {
+        wait += 500;
+        log.log(Level.INFO, "Waiting " + wait + "ms for next attempt");
+        TimeUnit.MILLISECONDS.sleep(wait);
       } catch (InterruptedException ignore) {
+        System.err.println(ignore);
         // ignore
       }
     }
-    System.err.println();
-    System.err.println("Server seems to be up.");
+
+    log.info("Server up: " + ok);
   }
 
   /**
diff --git a/tests/test-war-smoke/pom.xml b/tests/test-war-smoke/pom.xml
index 7f13b344..8c45730c 100644
--- a/tests/test-war-smoke/pom.xml
+++ b/tests/test-war-smoke/pom.xml
@@ -149,6 +149,8 @@
                 <goals>
                   <goal>start</goal>
                 </goals>
+                <configuration>
+                </configuration>
               </execution>
               <execution>
                 <id>stop</id>
diff --git a/tests/test-war-smoke/src/main/docker/Dockerfile b/tests/test-war-smoke/src/main/docker/Dockerfile
index 9d1514d4..649b3d56 100644
--- a/tests/test-war-smoke/src/main/docker/Dockerfile
+++ b/tests/test-war-smoke/src/main/docker/Dockerfile
@@ -1,6 +1,7 @@
 FROM ${jetty.test.image}
 ADD ${project.build.finalName}.war $JETTY_BASE/webapps/root.war
 
+ENV HEAP_SIZE_MB=512
 # Uncomment to dump the jetty configuration at startup
 # WORKDIR $JETTY_BASE
 # RUN java -jar $JETTY_HOME/start.jar --update-ini jetty.server.dumpAfterStart=true