there is no better choice of a non-generic exception

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
         }
     }
 

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)");
             }

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
         }
     }
 

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
         }
     }