Streaming+Sparksql使用sql实时分析 rabbitmq+mongodb+hive

SparkConf sparkConf = new SparkConf()
//此处使用一个链接切记使用一个链接否则汇报有多个sparkcontext错误
        .setAppName("SparkConsumerRabbit")
        .setMaster("local[2]")
        .set("hive.metastore.uris", thrift)
        .set("spark.sql.warehouse.dir", hdfs)
        .set("spark.mongodb.input.uri", "mongodb://" + rule.getMUName(jsonStr) + ":" + rule.getMpwd(jsonStr) + "@" + rule.getMIp(jsonStr) + ":" + rule.getMport(jsonStr) + "/" + rule.getMDBName(jsonStr) + "." + rule.getMtable(jsonStr))
        .set("spark.mongodb.output.uri", "mongodb://root:[email protected]:27010/pachong.test");
JavaSparkContext sc = new JavaSparkContext(sparkConf);
//Duration参数秒
//Streaming 方式
JavaStreamingContext jsc = new JavaStreamingContext(sc, Durations.seconds(5));
//hivesql 方式
HiveContext hiveContext = new HiveContext(sc);
hiveContext.sql("show databases").show();
hiveContext.sql("use" + " " + db);
//mongodb 方式
JavaMongoRDD<Document> rdd = MongoSpark.load(sc);
Map<String, String> params = new HashMap<>();
//map中参数设置，加载map连接rabbit
params.put("hosts", "192.168.7.96");
params.put("port", "5672");
params.put("userName", "admin");
params.put("password", "admin");
params.put("queueName", "cj_ack");
params.put("durable", "false");
Function<QueueingConsumer.Delivery, String> handler = message -> new String(message.getBody());
JavaReceiverInputDStream<String> messages = RabbitMQUtils.createJavaStream(jsc,String.class,params,handler);
messages.print();