Index: src/main/java/org/apache/maven/shared/release/versions/DefaultVersionInfo.java
===================================================================
--- src/main/java/org/apache/maven/shared/release/versions/DefaultVersionInfo.java	(revision 902110)
+++ src/main/java/org/apache/maven/shared/release/versions/DefaultVersionInfo.java	(working copy)
@@ -111,6 +111,10 @@
     public static final Pattern ALTERNATE_PATTERN = Pattern.compile(
       "^(SNAPSHOT|[a-zA-Z]+[_-]SNAPSHOT)"      // for SNAPSHOT releases only (possible versions include: trunk-SNAPSHOT or SNAPSHOT)
     );
+    
+    public static final Pattern ALTERNATE2_PATTERN = Pattern.compile(
+    		"^((SNAPSHOT)|([a-zA-Z_0-9\\-]+[_-]SNAPSHOT)|([a-zA-Z_0-9\\-])|([a-zA-Z0-9]*))"       // for SNAPSHOT releases only (possible versions include: trunk-SNAPSHOT or SNAPSHOT)
+    );
 
     /**
      * Constructs this object and parses the supplied version string.
@@ -133,6 +137,8 @@
             buildSeparator = null;
             return;
         }
+        
+        Matcher matcher2 = ALTERNATE2_PATTERN.matcher( strVersion );
 
         Matcher m = STANDARD_PATTERN.matcher( strVersion );
         if ( m.matches() )
@@ -166,6 +172,14 @@
                 buildSpecifier = nullIfEmpty( m.group( ANNOTATION_INDEX ) );
             }
         }
+        else if (matcher2.matches()){
+        		// TODO: hack because it didn't support "myb_2-SNAPSHOT"
+                annotation = null;
+                digits = null;
+                buildSpecifier = version;
+                buildSeparator = null;
+                return;
+        }
         else
         {
             throw new VersionParseException( "Unable to parse the version string: \"" + version + "\"" );