Javadoc syntax error fails build in samza-log4j

:samza-log4j:javadoc
/Users/criccomi/Code/samza/samza-log4j/src/main/java/org/apache/samza/logging/log4j/serializers/LoggingEventStringSerde.java:31: error: syntax error in reference
 * the {@link @LoggingEvent}'s messages into bytes. {@link #fromBytes(byte[] bytes)} will creates a new
       ^
/Users/criccomi/Code/samza/samza-log4j/src/main/java/org/apache/samza/logging/log4j/serializers/LoggingEventStringSerde.java:34: warning - Tag @link:illegal character: "64" in "@LoggingEvent"
1 error
1 warning