diff --git a/src/main/org/apache/tools/ant/Main.java b/src/main/org/apache/tools/ant/Main.java
index 4626e14d7..b104fd33a 100644
--- a/src/main/org/apache/tools/ant/Main.java
+++ b/src/main/org/apache/tools/ant/Main.java
@@ -978,10 +978,6 @@ public class Main implements AntMain {
         project.setInputHandler(handler);
     }
 
-    // TODO: (Jon Skeet) Any reason for writing a message and then using a bare
-    // RuntimeException rather than just using a BuildException here? Is it
-    // in case the message could end up being written to no loggers (as the
-    // loggers could have failed to be created due to this failure)?
     /**
      * Creates the default build logger for sending build events to the ant
      * log.
@@ -1003,7 +999,7 @@ public class Main implements AntMain {
                 System.err.println("The specified logger class "
                     + loggerClassname
                     + " could not be used because " + e.getMessage());
-                throw new RuntimeException();
+                throw e;
             }
         } else {
             logger = new DefaultLogger();
diff --git a/src/main/org/apache/tools/ant/Project.java b/src/main/org/apache/tools/ant/Project.java
index f9308cb83..17f2467c3 100644
--- a/src/main/org/apache/tools/ant/Project.java
+++ b/src/main/org/apache/tools/ant/Project.java
@@ -1430,7 +1430,7 @@ public class Project implements ResourceFactory {
                             "Target '" + curtarget.getName()
                             + "' failed with message '"
                             + thrownException.getMessage() + "'.", MSG_ERR);
-                        thrownException.printStackTrace(System.err);
+                        thrownException.printStackTrace(System.err); //NOSONAR
                         if (buildException == null) {
                             buildException =
                                 new BuildException(thrownException);
@@ -1836,7 +1836,7 @@ public class Project implements ResourceFactory {
             if (st == null) {
                 tsort(root[i], targetTable, state, visiting, ret);
             } else if (st == VISITING) {
-                throw new RuntimeException("Unexpected node in visiting state: "
+                throw new BuildException("Unexpected node in visiting state: "
                     + root[i]);
             }
         }
@@ -1855,7 +1855,7 @@ public class Project implements ResourceFactory {
             if (st == null) {
                 tsort(curTarget, targetTable, state, visiting, complete);
             } else if (st == VISITING) {
-                throw new RuntimeException("Unexpected node in visiting state: "
+                throw new BuildException("Unexpected node in visiting state: "
                     + curTarget);
             }
         }
@@ -1941,7 +1941,7 @@ public class Project implements ResourceFactory {
         }
         final String p = visiting.pop();
         if (root != p) {
-            throw new RuntimeException("Unexpected internal error: expected to "
+            throw new BuildException("Unexpected internal error: expected to "
                 + "pop " + root + " but got " + p);
         }
         state.put(root, VISITED);
diff --git a/src/main/org/apache/tools/ant/ProjectHelperRepository.java b/src/main/org/apache/tools/ant/ProjectHelperRepository.java
index 02ad62d85..7fe92c491 100644
--- a/src/main/org/apache/tools/ant/ProjectHelperRepository.java
+++ b/src/main/org/apache/tools/ant/ProjectHelperRepository.java
@@ -62,7 +62,7 @@ public class ProjectHelperRepository {
             PROJECTHELPER2_CONSTRUCTOR = ProjectHelper2.class.getConstructor();
         } catch (Exception e) {
             // ProjectHelper2 must be available
-            throw new RuntimeException(e);
+            throw new BuildException(e);
         }
     }
 
@@ -263,7 +263,7 @@ public class ProjectHelperRepository {
                 return helper;
             }
         }
-        throw new RuntimeException("BUG: at least the ProjectHelper2 should "
+        throw new BuildException("BUG: at least the ProjectHelper2 should "
                                    + "have supported the file " + buildFile);
     }
 
@@ -286,7 +286,7 @@ public class ProjectHelperRepository {
                 return helper;
             }
         }
-        throw new RuntimeException("BUG: at least the ProjectHelper2 should "
+        throw new BuildException("BUG: at least the ProjectHelper2 should "
                                    + "have supported the file " + antlib);
     }
 
diff --git a/src/main/org/apache/tools/ant/XmlLogger.java b/src/main/org/apache/tools/ant/XmlLogger.java
index a67a260ed..d03067d13 100644
--- a/src/main/org/apache/tools/ant/XmlLogger.java
+++ b/src/main/org/apache/tools/ant/XmlLogger.java
@@ -264,7 +264,7 @@ public class XmlLogger implements BuildLogger {
             if (!threadStack.empty()) {
                 TimedElement poppedStack = threadStack.pop();
                 if (poppedStack != targetElement) {
-                    throw new RuntimeException("Mismatch - popped element = " + poppedStack
+                    throw new RuntimeException("Mismatch - popped element = " + poppedStack //NOSONAR
                             + " finished target element = " + targetElement);
                 }
                 if (!threadStack.empty()) {
@@ -316,7 +316,7 @@ public class XmlLogger implements BuildLogger {
         Task task = event.getTask();
         TimedElement taskElement = tasks.get(task);
         if (taskElement == null) {
-            throw new RuntimeException("Unknown task " + task + " not in " + tasks);
+            throw new RuntimeException("Unknown task " + task + " not in " + tasks); //NOSONAR
         }
         long totalTime = System.currentTimeMillis() - taskElement.startTime;
         taskElement.element.setAttribute(TIME_ATTR, DefaultLogger.formatTime(totalTime));
@@ -334,7 +334,7 @@ public class XmlLogger implements BuildLogger {
         if (!threadStack.empty()) {
             TimedElement poppedStack = threadStack.pop();
             if (poppedStack != taskElement) {
-                throw new RuntimeException("Mismatch - popped element = " + poppedStack
+                throw new RuntimeException("Mismatch - popped element = " + poppedStack //NOSONAR
                         + " finished task element = " + taskElement);
             }
         }
diff --git a/src/main/org/apache/tools/ant/listener/MailLogger.java b/src/main/org/apache/tools/ant/listener/MailLogger.java
index 3d5bcd235..45289a1c4 100644
--- a/src/main/org/apache/tools/ant/listener/MailLogger.java
+++ b/src/main/org/apache/tools/ant/listener/MailLogger.java
@@ -327,7 +327,7 @@ public class MailLogger extends DefaultLogger {
      *      property is not present in properties.
      */
     private String getValue(Hashtable<String, Object> properties, String name,
-                            String defaultValue) throws Exception {
+                            String defaultValue) {
         String propertyName = "MailLogger." + name;
         String value = (String) properties.get(propertyName);
 
@@ -336,7 +336,7 @@ public class MailLogger extends DefaultLogger {
         }
 
         if (value == null) {
-            throw new Exception("Missing required parameter: " + propertyName);
+            throw new RuntimeException("Missing required parameter: " + propertyName); //NOSONAR
         }
 
         return value;
diff --git a/src/main/org/apache/tools/ant/taskdefs/LogOutputStream.java b/src/main/org/apache/tools/ant/taskdefs/LogOutputStream.java
index b2c34684d..23bb6bd15 100644
--- a/src/main/org/apache/tools/ant/taskdefs/LogOutputStream.java
+++ b/src/main/org/apache/tools/ant/taskdefs/LogOutputStream.java
@@ -77,7 +77,7 @@ public class LogOutputStream extends LineOrientedOutputStream {
             super.processBuffer();
         } catch (IOException e) {
             // impossible since *our* processLine doesn't throw an IOException
-            throw new RuntimeException("Impossible IOException caught: " + e);
+            throw new RuntimeException("Impossible IOException caught: " + e); //NOSONAR
         }
     }
 
diff --git a/src/main/org/apache/tools/ant/taskdefs/XSLTLiaison.java b/src/main/org/apache/tools/ant/taskdefs/XSLTLiaison.java
index 304995c68..5976bce9e 100644
--- a/src/main/org/apache/tools/ant/taskdefs/XSLTLiaison.java
+++ b/src/main/org/apache/tools/ant/taskdefs/XSLTLiaison.java
@@ -44,7 +44,7 @@ public interface XSLTLiaison {
      * @throws Exception thrown if any problems happens.
      * @since Ant 1.4
      */
-    void setStylesheet(File stylesheet) throws Exception;
+    void setStylesheet(File stylesheet) throws Exception; //NOSONAR
 
     /**
      * Add a parameter to be set during the XSL transformation.
@@ -54,7 +54,7 @@ public interface XSLTLiaison {
      * @see XSLTLiaison4#addParam(java.lang.String, java.lang.Object)
      * @since Ant 1.3
      */
-    void addParam(String name, String expression) throws Exception;
+    void addParam(String name, String expression) throws Exception; //NOSONAR
 
     /**
      * Perform the transformation of a file into another.
@@ -64,6 +64,6 @@ public interface XSLTLiaison {
      * @see #setStylesheet(File)
      * @since Ant 1.4
      */
-    void transform(File infile, File outfile) throws Exception;
+    void transform(File infile, File outfile) throws Exception; //NOSONAR
 
 } //-- XSLTLiaison
diff --git a/src/main/org/apache/tools/ant/taskdefs/XSLTProcess.java b/src/main/org/apache/tools/ant/taskdefs/XSLTProcess.java
index 75445928a..8fce71eeb 100644
--- a/src/main/org/apache/tools/ant/taskdefs/XSLTProcess.java
+++ b/src/main/org/apache/tools/ant/taskdefs/XSLTProcess.java
@@ -721,7 +721,7 @@ public class XSLTProcess extends MatchingTask implements XSLTLogger {
      * @return the requested class.
      * @exception Exception if the class could not be loaded.
      */
-    private Class loadClass(final String classname) throws Exception {
+    private Class loadClass(final String classname) throws ClassNotFoundException {
         setupLoader();
         if (loader == null) {
             return Class.forName(classname);
@@ -1380,7 +1380,7 @@ public class XSLTProcess extends MatchingTask implements XSLTLogger {
      * @since Ant 1.7
      */
     private void setLiaisonDynamicFileParameters(
-        final XSLTLiaison liaison, final File inFile) throws Exception {
+        final XSLTLiaison liaison, final File inFile) throws Exception { //NOSONAR
         if (fileNameParameter != null) {
             liaison.addParam(fileNameParameter, inFile.getName());
         }
diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/TraXLiaison.java b/src/main/org/apache/tools/ant/taskdefs/optional/TraXLiaison.java
index 85dd311b8..f2fcd9a1b 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/TraXLiaison.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/TraXLiaison.java
@@ -143,7 +143,7 @@ public class TraXLiaison implements XSLTLiaison4, ErrorListener, XSLTLoggerAware
      * Constructor for TraXLiaison.
      * @throws Exception never
      */
-    public TraXLiaison() throws Exception {
+    public TraXLiaison() throws Exception { //NOSONAR
     }
 
     /**
@@ -316,7 +316,8 @@ public class TraXLiaison implements XSLTLiaison4, ErrorListener, XSLTLoggerAware
      * @see #addParam(java.lang.String, java.lang.String)
      * @see #setOutputProperty(java.lang.String, java.lang.String)
      */
-    private void createTransformer() throws Exception {
+    private void createTransformer()
+        throws IOException, ParserConfigurationException, SAXException, TransformerException {
         if (templates == null) {
             readTemplates();
         }
diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/depend/JarFileIterator.java b/src/main/org/apache/tools/ant/taskdefs/optional/depend/JarFileIterator.java
index bc315d2e2..c468b952a 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/depend/JarFileIterator.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/depend/JarFileIterator.java
@@ -22,6 +22,8 @@ import java.io.InputStream;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 
+import org.apache.tools.ant.BuildException;
+
 /**
  * A class file iterator which iterates through the contents of a Java jar
  * file.
@@ -79,7 +81,7 @@ public class JarFileIterator implements ClassFileIterator {
                 text += ": " + message;
             }
 
-            throw new RuntimeException("Problem reading JAR file: " + text);
+            throw new BuildException("Problem reading JAR file: " + text);
         }
 
         return nextElement;
diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/jlink/jlink.java b/src/main/org/apache/tools/ant/taskdefs/optional/jlink/jlink.java
index aa193eaf7..5d45cfcc5 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/jlink/jlink.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/jlink/jlink.java
@@ -144,7 +144,7 @@ public class jlink {
      * a rational manner to outfile.
      * @throws Exception on error.
      */
-    public void link() throws Exception {
+    public void link() throws Exception { //NOSONAR
         ZipOutputStream output = new ZipOutputStream(new FileOutputStream(outfile));
 
         if (compression) {
diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/junit/JUnitTask.java b/src/main/org/apache/tools/ant/taskdefs/optional/junit/JUnitTask.java
index 6a3b3cd14..6a69d2396 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/junit/JUnitTask.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/junit/JUnitTask.java
@@ -701,10 +701,10 @@ public class JUnitTask extends Task {
     /**
      * Creates a new JUnitRunner and enables fork of a new Java VM.
      *
-     * @throws Exception under ??? circumstances
+     * @throws Exception never
      * @since Ant 1.2
      */
-    public JUnitTask() throws Exception {
+    public JUnitTask() throws Exception { //NOSONAR
     }
 
     /**
diff --git a/src/main/org/apache/tools/ant/util/DOMElementWriter.java b/src/main/org/apache/tools/ant/util/DOMElementWriter.java
index 14cbaee2b..cafecf03f 100644
--- a/src/main/org/apache/tools/ant/util/DOMElementWriter.java
+++ b/src/main/org/apache/tools/ant/util/DOMElementWriter.java
@@ -494,7 +494,7 @@ public class DOMElementWriter {
         try {
             encodedata(out, value);
         } catch (IOException ex) {
-            throw new RuntimeException(ex);
+            throw new RuntimeException(ex); //NOSONAR
         }
         return out.toString();
     }
diff --git a/src/main/org/apache/tools/ant/util/FileUtils.java b/src/main/org/apache/tools/ant/util/FileUtils.java
index 48f5ca65b..0c314b20c 100644
--- a/src/main/org/apache/tools/ant/util/FileUtils.java
+++ b/src/main/org/apache/tools/ant/util/FileUtils.java
@@ -1591,7 +1591,7 @@ public class FileUtils {
      *
      * @since Ant 1.7
      */
-    public static String getRelativePath(File fromFile, File toFile) throws Exception {
+    public static String getRelativePath(File fromFile, File toFile) throws Exception { //NOSONAR
         String fromPath = fromFile.getCanonicalPath();
         String toPath = toFile.getCanonicalPath();
 
diff --git a/src/main/org/apache/tools/ant/util/ReaderInputStream.java b/src/main/org/apache/tools/ant/util/ReaderInputStream.java
index 620af8d5c..f327b7770 100644
--- a/src/main/org/apache/tools/ant/util/ReaderInputStream.java
+++ b/src/main/org/apache/tools/ant/util/ReaderInputStream.java
@@ -148,7 +148,7 @@ public class ReaderInputStream extends InputStream {
         try {
             in.mark(limit);
         } catch (IOException ioe) {
-            throw new RuntimeException(ioe.getMessage());
+            throw new RuntimeException(ioe.getMessage()); //NOSONAR
         }
     }
 
diff --git a/src/main/org/apache/tools/ant/util/StringUtils.java b/src/main/org/apache/tools/ant/util/StringUtils.java
index db0edd82b..04f1ce8c1 100644
--- a/src/main/org/apache/tools/ant/util/StringUtils.java
+++ b/src/main/org/apache/tools/ant/util/StringUtils.java
@@ -199,7 +199,7 @@ public final class StringUtils {
      * @throws Exception if there is a problem.
      * @since Ant 1.7
      */
-    public static long parseHumanSizes(String humanSize) throws Exception {
+    public static long parseHumanSizes(String humanSize) throws Exception { //NOSONAR
         long factor = 1L;
         char s = humanSize.charAt(0);
         switch (s) {
diff --git a/src/main/org/apache/tools/ant/util/depend/AbstractAnalyzer.java b/src/main/org/apache/tools/ant/util/depend/AbstractAnalyzer.java
index eb5f97ad3..b05ed1f5a 100644
--- a/src/main/org/apache/tools/ant/util/depend/AbstractAnalyzer.java
+++ b/src/main/org/apache/tools/ant/util/depend/AbstractAnalyzer.java
@@ -22,6 +22,7 @@ import java.util.Enumeration;
 import java.util.Vector;
 import java.util.zip.ZipFile;
 
+import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.types.Path;
 import org.apache.tools.ant.util.VectorSet;
 
@@ -80,7 +81,7 @@ public abstract class AbstractAnalyzer implements DependencyAnalyzer {
      */
     public Enumeration<File> getFileDependencies() {
         if (!supportsFileDependencies()) {
-            throw new RuntimeException("File dependencies are not supported "
+            throw new BuildException("File dependencies are not supported "
                 + "by this analyzer");
         }
         if (!determined) {
diff --git a/src/main/org/apache/tools/ant/util/optional/JavaxScriptRunner.java b/src/main/org/apache/tools/ant/util/optional/JavaxScriptRunner.java
index a24537ac8..7a5cfa4d3 100644
--- a/src/main/org/apache/tools/ant/util/optional/JavaxScriptRunner.java
+++ b/src/main/org/apache/tools/ant/util/optional/JavaxScriptRunner.java
@@ -126,7 +126,7 @@ public class JavaxScriptRunner extends ScriptRunnerBase {
         }
     }
 
-    private ReflectWrapper createEngine() throws Exception {
+    private ReflectWrapper createEngine() {
         if (engine != null) {
             return engine;
         }
diff --git a/src/main/org/apache/tools/tar/TarEntry.java b/src/main/org/apache/tools/tar/TarEntry.java
index 67990797a..86024ea8a 100644
--- a/src/main/org/apache/tools/tar/TarEntry.java
+++ b/src/main/org/apache/tools/tar/TarEntry.java
@@ -846,7 +846,7 @@ public class TarEntry implements TarConstants {
                 writeEntryHeader(outbuf, TarUtils.FALLBACK_ENCODING, false);
             } catch (IOException ex2) {
                 // impossible
-                throw new RuntimeException(ex2);
+                throw new RuntimeException(ex2); //NOSONAR
             }
         }
     }
@@ -932,7 +932,7 @@ public class TarEntry implements TarConstants {
                 parseTarHeader(header, TarUtils.DEFAULT_ENCODING, true);
             } catch (IOException ex2) {
                 // not really possible
-                throw new RuntimeException(ex2);
+                throw new RuntimeException(ex2); //NOSONAR
             }
         }
     }
@@ -1095,7 +1095,8 @@ public class TarEntry implements TarConstants {
         try {
             buffer1 = expected.getBytes("ASCII");
         } catch (UnsupportedEncodingException e) {
-            throw new RuntimeException(e); // Should not happen
+            // Should not happen
+            throw new RuntimeException(e); //NOSONAR
         }
         return isEqual(buffer1, 0, buffer1.length, buffer, offset, length,
                        false);
diff --git a/src/main/org/apache/tools/tar/TarInputStream.java b/src/main/org/apache/tools/tar/TarInputStream.java
index 964e5c5f5..82c0a0d45 100644
--- a/src/main/org/apache/tools/tar/TarInputStream.java
+++ b/src/main/org/apache/tools/tar/TarInputStream.java
@@ -276,7 +276,7 @@ public class TarInputStream extends FilterInputStream {
             while (numToSkip > 0) {
                 long skipped = skip(numToSkip);
                 if (skipped <= 0) {
-                    throw new RuntimeException("failed to skip current tar"
+                    throw new IOException("failed to skip current tar"
                                                + " entry");
                 }
                 numToSkip -= skipped;
diff --git a/src/main/org/apache/tools/tar/TarOutputStream.java b/src/main/org/apache/tools/tar/TarOutputStream.java
index 032f7254f..cacc68631 100644
--- a/src/main/org/apache/tools/tar/TarOutputStream.java
+++ b/src/main/org/apache/tools/tar/TarOutputStream.java
@@ -586,7 +586,7 @@ public class TarOutputStream extends FilterOutputStream {
 
     private void failForBigNumber(String field, long value, long maxValue, String additionalMsg) {
         if (value < 0 || value > maxValue) {
-            throw new RuntimeException(field + " '" + value
+            throw new RuntimeException(field + " '" + value //NOSONAR
                                        + "' is too big ( > "
                                        + maxValue + " )");
         }
@@ -638,7 +638,7 @@ public class TarOutputStream extends FilterOutputStream {
                 write(0); // NUL terminator
                 closeEntry();
             } else if (longFileMode != LONGFILE_TRUNCATE) {
-                throw new RuntimeException(fieldName + " '" + name
+                throw new RuntimeException(fieldName + " '" + name //NOSONAR
                                            + "' is too long ( > "
                                            + TarConstants.NAMELEN + " bytes)");
             }
diff --git a/src/main/org/apache/tools/tar/TarUtils.java b/src/main/org/apache/tools/tar/TarUtils.java
index f86154ea3..5fa2e01f0 100644
--- a/src/main/org/apache/tools/tar/TarUtils.java
+++ b/src/main/org/apache/tools/tar/TarUtils.java
@@ -265,7 +265,7 @@ public class TarUtils {
                 return parseName(buffer, offset, length, FALLBACK_ENCODING);
             } catch (final IOException ex2) {
                 // impossible
-                throw new RuntimeException(ex2);
+                throw new RuntimeException(ex2); //NOSONAR
             }
         }
     }
@@ -324,7 +324,7 @@ public class TarUtils {
                                        FALLBACK_ENCODING);
             } catch (final IOException ex2) {
                 // impossible
-                throw new RuntimeException(ex2);
+                throw new RuntimeException(ex2); //NOSONAR
             }
         }
     }
diff --git a/src/main/org/apache/tools/zip/AbstractUnicodeExtraField.java b/src/main/org/apache/tools/zip/AbstractUnicodeExtraField.java
index 1014787d4..ab56f46e7 100644
--- a/src/main/org/apache/tools/zip/AbstractUnicodeExtraField.java
+++ b/src/main/org/apache/tools/zip/AbstractUnicodeExtraField.java
@@ -54,7 +54,7 @@ public abstract class AbstractUnicodeExtraField implements ZipExtraField {
         try {
             unicodeName = text.getBytes("UTF-8");
         } catch (final UnsupportedEncodingException e) {
-            throw new RuntimeException("FATAL: UTF-8 encoding not supported.",
+            throw new RuntimeException("FATAL: UTF-8 encoding not supported.", //NOSONAR
                                        e);
         }
     }
diff --git a/src/main/org/apache/tools/zip/AsiExtraField.java b/src/main/org/apache/tools/zip/AsiExtraField.java
index d2ca6910d..fb8227d84 100644
--- a/src/main/org/apache/tools/zip/AsiExtraField.java
+++ b/src/main/org/apache/tools/zip/AsiExtraField.java
@@ -346,7 +346,7 @@ public class AsiExtraField implements ZipExtraField, UnixStat, Cloneable {
             return cloned;
         } catch (CloneNotSupportedException cnfe) {
             // impossible
-            throw new RuntimeException(cnfe);
+            throw new RuntimeException(cnfe); //NOSONAR
         }
     }
 }
diff --git a/src/main/org/apache/tools/zip/ExtraFieldUtils.java b/src/main/org/apache/tools/zip/ExtraFieldUtils.java
index a6c0118ff..8a7355e06 100644
--- a/src/main/org/apache/tools/zip/ExtraFieldUtils.java
+++ b/src/main/org/apache/tools/zip/ExtraFieldUtils.java
@@ -63,11 +63,11 @@ public class ExtraFieldUtils {
             ZipExtraField ze = (ZipExtraField) c.newInstance();
             implementations.put(ze.getHeaderId(), c);
         } catch (ClassCastException cc) {
-            throw new RuntimeException(c + " doesn\'t implement ZipExtraField");
+            throw new RuntimeException(c + " doesn\'t implement ZipExtraField"); //NOSONAR
         } catch (InstantiationException ie) {
-            throw new RuntimeException(c + " is not a concrete class");
+            throw new RuntimeException(c + " is not a concrete class"); //NOSONAR
         } catch (IllegalAccessException ie) {
-            throw new RuntimeException(c + "\'s no-arg constructor is not public");
+            throw new RuntimeException(c + "\'s no-arg constructor is not public"); //NOSONAR
         }
     }
 
diff --git a/src/main/org/apache/tools/zip/GeneralPurposeBit.java b/src/main/org/apache/tools/zip/GeneralPurposeBit.java
index 1d2255faa..a1af211bd 100644
--- a/src/main/org/apache/tools/zip/GeneralPurposeBit.java
+++ b/src/main/org/apache/tools/zip/GeneralPurposeBit.java
@@ -188,7 +188,7 @@ public final class GeneralPurposeBit implements Cloneable {
             return super.clone();
         } catch (CloneNotSupportedException ex) {
             // impossible
-            throw new RuntimeException("GeneralPurposeBit is not Cloneable?", ex);
+            throw new RuntimeException("GeneralPurposeBit is not Cloneable?", ex); //NOSONAR
         }
     }
 }
diff --git a/src/main/org/apache/tools/zip/ZipEntry.java b/src/main/org/apache/tools/zip/ZipEntry.java
index 30a8155bd..df3f84059 100644
--- a/src/main/org/apache/tools/zip/ZipEntry.java
+++ b/src/main/org/apache/tools/zip/ZipEntry.java
@@ -517,7 +517,7 @@ public class ZipEntry extends java.util.zip.ZipEntry implements Cloneable {
             mergeExtraFields(local, true);
         } catch (final ZipException e) {
             // actually this is not be possible as of Ant 1.8.1
-            throw new RuntimeException("Error parsing extra fields for entry: "
+            throw new RuntimeException("Error parsing extra fields for entry: " //NOSONAR
                                        + getName() + " - " + e.getMessage(), e);
         }
     }
@@ -544,7 +544,7 @@ public class ZipEntry extends java.util.zip.ZipEntry implements Cloneable {
                                       ExtraFieldUtils.UnparseableExtraField.READ);
             mergeExtraFields(central, false);
         } catch (final ZipException e) {
-            throw new RuntimeException(e.getMessage(), e);
+            throw new RuntimeException(e.getMessage(), e); //NOSONAR
         }
     }
 
diff --git a/src/main/org/apache/tools/zip/ZipLong.java b/src/main/org/apache/tools/zip/ZipLong.java
index 72af84db8..618082359 100644
--- a/src/main/org/apache/tools/zip/ZipLong.java
+++ b/src/main/org/apache/tools/zip/ZipLong.java
@@ -190,7 +190,7 @@ public final class ZipLong implements Cloneable {
             return super.clone();
         } catch (CloneNotSupportedException cnfe) {
             // impossible
-            throw new RuntimeException(cnfe);
+            throw new RuntimeException(cnfe); //NOSONAR
         }
     }
 
diff --git a/src/main/org/apache/tools/zip/ZipShort.java b/src/main/org/apache/tools/zip/ZipShort.java
index e52c570d5..2f5482ff0 100644
--- a/src/main/org/apache/tools/zip/ZipShort.java
+++ b/src/main/org/apache/tools/zip/ZipShort.java
@@ -155,7 +155,7 @@ public final class ZipShort implements Cloneable {
             return super.clone();
         } catch (CloneNotSupportedException cnfe) {
             // impossible
-            throw new RuntimeException(cnfe);
+            throw new RuntimeException(cnfe); //NOSONAR
         }
     }