diff --git a/src/main/java/hudson/plugins/cobertura/CoberturaPublisher.java b/src/main/java/hudson/plugins/cobertura/CoberturaPublisher.java
index 355a7416..47b941f8 100644
--- a/src/main/java/hudson/plugins/cobertura/CoberturaPublisher.java
+++ b/src/main/java/hudson/plugins/cobertura/CoberturaPublisher.java
@@ -385,6 +385,13 @@ public void perform(Run<?, ?> build, FilePath workspace, Launcher launcher, fina
         FilePath[] reports = null;
         try {
             reports = workspace.act(new ParseReportCallable(coberturaReportFile));
+
+            // if the build has failed, then there's not
+            // much point in reporting an error
+            if (buildResult != null && buildResult.isWorseOrEqualTo(Result.FAILURE) && reports.length == 0) {
+                return;
+            }
+
         } catch (IOException e) {
             Util.displayIOException(e, listener);
             e.printStackTrace(listener.fatalError("Unable to find coverage results"));
@@ -694,9 +701,10 @@ public boolean configure(StaplerRequest req, JSONObject formData) throws FormExc
          */
         @Override
         public CoberturaPublisher newInstance(StaplerRequest req, JSONObject formData) throws FormException {
-        	if (req == null) {
-        		return null;
-        	}
+            // Null check because findbugs insists, despite the API guaranteeing this is never null.
+            if (req == null) {
+                throw new FormException("req cannot be null", "");
+            }
             CoberturaPublisher instance = req.bindJSON(CoberturaPublisher.class, formData);
             ConvertUtils.register(CoberturaPublisherTarget.CONVERTER, CoverageMetric.class);
             List<CoberturaPublisherTarget> targets = req
diff --git a/src/main/java/hudson/plugins/cobertura/targets/CoverageTarget.java b/src/main/java/hudson/plugins/cobertura/targets/CoverageTarget.java
index c4934f46..039430eb 100644
--- a/src/main/java/hudson/plugins/cobertura/targets/CoverageTarget.java
+++ b/src/main/java/hudson/plugins/cobertura/targets/CoverageTarget.java
@@ -106,13 +106,12 @@ public Map<CoverageMetric, Integer> getRangeScores(CoverageTarget min, CoverageR
     }
 
     public Map<CoverageMetric, Integer> getRangeScores(CoverageTarget min, Map<CoverageMetric, Ratio> results) {
-        Integer j;
         Map<CoverageMetric, Integer> result = new EnumMap<CoverageMetric, Integer>(CoverageMetric.class);
         for (Map.Entry<CoverageMetric, Integer> target : this.targets.entrySet()) {
             Ratio observed = results.get(target.getKey());
             if (observed != null) {
-                j = CoverageTarget.calcRangeScore(target.getValue() / 100000, min.targets.get(target.getKey()), observed.getPercentage());
-                result.put(target.getKey(), j);
+                int j = CoverageTarget.calcRangeScore(target.getValue() / 100000, min.targets.get(target.getKey()), observed.getPercentage());
+                result.put(target.getKey(), Integer.valueOf(j));
             }
         }
         return result;