Index: src/java/org/apache/commons/httpclient/URI.java =================================================================== --- src/java/org/apache/commons/httpclient/URI.java (revision 405803) +++ src/java/org/apache/commons/httpclient/URI.java (working copy) @@ -1552,6 +1552,7 @@ allowed_abs_path.or(abs_path); // allowed_abs_path.set('/'); // aleady included allowed_abs_path.andNot(percent); + allowed_abs_path.clear('+'); } @@ -1563,6 +1564,7 @@ static { allowed_rel_path.or(rel_path); allowed_rel_path.clear('%'); + allowed_rel_path.clear('+'); }