...

String shorterComment = truncate(IChangeSet.ITEM_TYPE, IChangeSet.COMMENT_PROPERTY, longComment);





    public static String truncate(IType type, String propertyName, String value) {

        if (value == null)

            return value;

        IStatus status= IItemValidator.INSTANCE.validateAttribute(type, propertyName, value);

        if (status instanceof IStringSizeConstraintErrorStatus) {

            long maxSize= ((IStringSizeConstraintErrorStatus) status).getMaxSize();

            //max size is in number of bytes and substring is in number of characters.

            //First do a rough truncation so truncate to maxBytes. i.e. #chars >= #bytes >= maxSize.

            String truncated= value.substring(0, (int) Math.min(value.length(), maxSize));

            //Here, #chars may be <maxSize> maxSize.

            //incrementally cut down the length of the string until #bytes <maxSize> 0 && status instanceof IStringSizeConstraintErrorStatus);

            

            return truncated;

        }

        return value;

    }

    

    private static String endAtWordBoundary(String string) {

        int space= string.lastIndexOf(' ');

        if (space > 0)

            return string.substring(0, space);

        if (string.length() > 1)

            return string.substring(0, string.length() - 1);

        return "";

    }

...The comment for the changeset is auto-generated and long (1033 lines, 44538 characters).
...
Thanks,

Daniel

String shorterComment = com.ibm.team.scm.common.internal.util.ValidationUtils.truncate(IChangeSet.ITEM_TYPE, IChangeSet.COMMENT_PROPERTY, longComment);