ssdb4j

<dependency>
    <groupId>org.nutz</groupId>
    <artifactId>ssdb4j</artifactId>
    <version>9.4</version>
</dependency>

import org.nutz.ssdb4j.spi.SSDB;
import org.nutz.ssdb4j.spi.Response;
import org.nutz.ssdb4j.SSDBs;


SSDB ssdb = SSDBs.simple();
ssdb.set("name", "wendal").check(); // call check() to make sure resp is ok 

Response resp = ssdb.get("name");
if (!resp.ok()) {
    // ...
} else {
    log.info("name=" + resp.asString());
}