小编Tur*_*nov的帖子

Mosca 给出了这个错误：

TypeError: Client is not a constructor
    at new KafkaAscoltatore (/home/x/Desktop/broker/node_modules/mosca/node_modules/ascoltatori/lib/kafka_ascoltatore.js:59:26)
    at Object.build (/home/x/Desktop/broker/node_modules/mosca/node_modules/ascoltatori/lib/ascoltatori.js:77:12)
    at /home/x/Desktop/broker/node_modules/mosca/lib/server.js:181:40
    at makeCall (/home/x/Desktop/broker/node_modules/fastseries/series.js:117:7)
    at ResultsHolder.release (/home/x/Desktop/broker/node_modules/fastseries/series.js:96:9)
    at series (/home/x/Desktop/broker/node_modules/fastseries/series.js:39:14)
    at Object.series (/home/x/Desktop/broker/node_modules/steed/steed.js:90:7)
    at new Server (/home/x/Desktop/broker/node_modules/mosca/lib/server.js:171:9)
    at Object.<anonymous> (/home/x/Desktop/broker/broker.js:118:14)
    at Module._compile (internal/modules/cjs/loader.js:689:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
    at Module.load (internal/modules/cjs/loader.js:599:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
    at Function.Module._load (internal/modules/cjs/loader.js:530:3)
    at Function.Module.runMain (internal/modules/cjs/loader.js:742:12)
    at startup (internal/bootstrap/node.js:266:19)
    at bootstrapNodeJSCore (internal/bootstrap/node.js:596:3)

环境

• 节点版本：v10.9.0
• Kafka节点版本：最新
• Mosca 版本：最新

我试过的

我打开/home/x/Desktop/broker/node_modules/mosca/node_modules/ascoltatori/lib/kafka_ascoltatore.js 并查看下面的行后发现问题与 kafka-node 版本有关：

this._opts.kafka = this._opts.kafka || require("kafka-node");

当我删除时this._opts.kafka，它开始正常工作。然后我打印了两个我发现新版本中没有 Client …