diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/junit/AggregateTransformer.java b/src/main/org/apache/tools/ant/taskdefs/optional/junit/AggregateTransformer.java
index 51be1b2e1..bae3b3ca2 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/junit/AggregateTransformer.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/junit/AggregateTransformer.java
@@ -115,7 +115,7 @@ public class AggregateTransformer {
     /**
      * Used to ensure the uniqueness of a property
      */
-    private static int counter = 0;
+    private volatile static int counter = 0;
 
     /** the format to use for the report. Must be <tt>FRAMES</tt> or <tt>NOFRAMES</tt> */
     protected String format = FRAMES;
@@ -260,7 +260,7 @@ public class AggregateTransformer {
         xsltTask.setIn(((XMLResultAggregator) task).getDestinationFile());
         File outputFile = null;
         if (format.equals(FRAMES)) {
-            String tempFileProperty = getClass().getName() + String.valueOf(counter++);
+            String tempFileProperty = getClass().getName() + String.valueOf(counter++); //NOSONAR
             File tmp = FILE_UTILS.resolveFile(project.getBaseDir(), project
                     .getProperty("java.io.tmpdir"));
             tempFileTask.setDestDir(tmp);
diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/splash/SplashTask.java b/src/main/org/apache/tools/ant/taskdefs/optional/splash/SplashTask.java
index 146e0ffd0..9d995bce6 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/splash/SplashTask.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/splash/SplashTask.java
@@ -53,6 +53,7 @@ public class SplashTask extends Task {
     private String progressRegExp = null;
     private String displayText = null;
 
+    // class instance so we'll never show two splash screens at the same time
     private static SplashScreen splash = null;
 
     /**
@@ -163,7 +164,7 @@ public class SplashTask extends Task {
             splash.setVisible(false);
             getProject().removeBuildListener(splash);
             splash.dispose();
-            splash = null;
+            splash = null; //NOSONAR
         }
 
         log("Creating new SplashScreen", Project.MSG_VERBOSE);
@@ -248,7 +249,7 @@ public class SplashTask extends Task {
 
                 try {
                     ImageIcon img = new ImageIcon(bout.toByteArray());
-                    splash = new SplashScreen(img, progressRegExp, displayText);
+                    splash = new SplashScreen(img, progressRegExp, displayText); //NOSONAR
                     success = true;
                 } catch (Throwable e) {
                     logHeadless(e);
@@ -268,7 +269,7 @@ public class SplashTask extends Task {
             }
         } else {
             try {
-                splash = new SplashScreen("Image Unavailable.", progressRegExp,
+                splash = new SplashScreen("Image Unavailable.", progressRegExp, //NOSONAR
                                           displayText);
                 success = true;
             } catch (Throwable e) {