Index: archiva-base/archiva-repository-layer/src/main/java/org/apache/maven/archiva/repository/content/FilenameParser.java
===================================================================
--- archiva-base/archiva-repository-layer/src/main/java/org/apache/maven/archiva/repository/content/FilenameParser.java	(revision 628572)
+++ archiva-base/archiva-repository-layer/src/main/java/org/apache/maven/archiva/repository/content/FilenameParser.java	(working copy)
@@ -40,7 +40,7 @@
 
     private static final Pattern mavenPluginPattern = Pattern.compile( "(maven-.*-plugin)|(.*-maven-plugin)" );
 
-    private static final Pattern extensionPattern = Pattern.compile( "(.tar.gz$)|(.tar.bz2$)|(.[a-z0-9]{1,4}$)",
+    private static final Pattern extensionPattern = Pattern.compile( "(.tar.gz$)|(.tar.bz2$)|(.[a-z0-9]*$)",
                                                                      Pattern.CASE_INSENSITIVE );
 
     private static final Pattern section = Pattern.compile( "([^-]*)" );