Error: Invalid value "SASL_SSL" for configuration property "security.protocol"

Environment Information

• OS [e.g. Mac, Arch, Windows 10]: Fedora 31
• Node Version [e.g. 8.2.1]: 12.16.3
• NPM Version [e.g. 5.4.2]: 6.14.4
• C++ Toolchain [e.g. Visual Studio, llvm, g++]: g++
• node-rdkafka version [e.g. 2.3.3]: 2.9.0

Steps to Reproduce node kafka.js

node-rdkafka Configuration Settings

const kafka = require('node-rdkafka')

const USERNAME = <USERNAME>
const PASSWORD = <PASSWORD>

const kafkaConf = {
    "group.id": "cloudkarafka-example",
    "metadata.broker.list": <BROKER_LIST>,
    "socket.keepalive.enable": true,
    "security.protocol": "SASL_SSL",
    "sasl.mechanisms": "SCRAM-SHA-256",
    "sasl.username": USERNAME,
    "sasl.password": PASSWORD,
    "debug": "generic,broker,security"
};

const consumer = new kafka.KafkaConsumer(kafkaConf);

consumer.on("ready", arg => {
    console.log(`Consumer ${arg.name} ready`);
    consumer.subscribe(<SOME_TOPIC>);
    consumer.consume();
});

consumer.on('error', err => {
    console.log("Consumer Error: " + err);
});

Additional context

  this._client = new SubClientType(globalConf, topicConf);
                 ^

Error: Invalid value "SASL_SSL" for configuration property "security.protocol"

[Avielyo10]

I reinstall the package and it’s working, thanks all

[ddhabak1]

make sure you have openssl installed then set CPPFLAGS and LDFLAGS

example: CPPFLAGS=-I/usr/local/opt/openssl/include LDFLAGS=-L/usr/local/opt/openssl/lib npm install node-rdkafka@2.8.1