diff --git a/.travis.yml b/.travis.yml
index 40d3995c..6c57468f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -36,7 +36,7 @@ after_script:
 # http://www.webupd8.org/2017/06/why-oracle-java-7-and-6-installers-no.html
 # - oraclejdk8 is not supported anymore.
 jdk:
- - openjdk7
+ - openjdk8
 cache:
   directories:
   - $HOME/.m2/repository
diff --git a/jenkins-client/src/main/java/com/offbytwo/jenkins/model/Build.java b/jenkins-client/src/main/java/com/offbytwo/jenkins/model/Build.java
index 14b98369..f48e38e8 100644
--- a/jenkins-client/src/main/java/com/offbytwo/jenkins/model/Build.java
+++ b/jenkins-client/src/main/java/com/offbytwo/jenkins/model/Build.java
@@ -140,13 +140,13 @@ public String Stop() throws HttpResponseException, IOException {
         try {
 
             return client.get(url + "stop");
-        } catch (IOException ex) {
-            if (((HttpResponseException) ex).getStatusCode() == 405) {
+        } catch (HttpResponseException ex) {
+            if (ex.getStatusCode() == 405) {
                 stopPost();
                 return "";
             }
+            throw ex;
         }
-        return "";
     }
 
     /** Stops the build which is currently in progress.  This version takes in
@@ -163,13 +163,13 @@ public String Stop(boolean crumbFlag) throws HttpResponseException, IOException
         try {
 
             return client.get(url + "stop");
-        } catch (IOException ex) {
-            if (((HttpResponseException) ex).getStatusCode() == 405) {
+        } catch (HttpResponseException ex) {
+            if (ex.getStatusCode() == 405) {
                 stopPost(crumbFlag);
                 return "";
             }
+            throw ex;
         }
-        return "";
     }
 
     private void stopPost(boolean crumbFlag) throws HttpResponseException, IOException {
diff --git a/pom.xml b/pom.xml
index ff44c7e4..ce6912d5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,8 +43,8 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <maven.compiler.source>1.7</maven.compiler.source>
-    <maven.compiler.target>1.7</maven.compiler.target>
+    <maven.compiler.source>1.8</maven.compiler.source>
+    <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.showDeprecation>true</maven.compiler.showDeprecation>
     <maven.compiler.showWarnings>true</maven.compiler.showWarnings>