api/java/src/main/java/com/navercorp/redis/cluster/RedisClusterClient.java
public void rpushx(final String key, final String string) {
        rpushx(SafeEncoder.encode(key), SafeEncoder.encode(string));
    }
public void rpushx(final String key, final String string) {
        rpushx(SafeEncoder.encode(key), SafeEncoder.encode(string));
    }
Rpushx.

@param key    the key
@param string the string