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Add retry logic for RabbitMQ connection in order service #12

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Merged
Kettailor merged 1 commit into from
Oct 23, 2025
Merged

Add retry logic for RabbitMQ connection in order service #12

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27 changes: 23 additions & 4 deletions order/src/app.js
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Original file line number Diff line number Diff line change
Expand Up @@ -29,13 +29,29 @@ class App {
}

async setupOrderConsumer() {
console.log("Connecting to RabbitMQ...");

const delay = config.rabbitMQConnectDelayMs;
setTimeout(async () => {

const scheduleRetry = () => {
console.log(`Retrying RabbitMQ connection in ${delay}ms...`);
setTimeout(connectToRabbitMQ, delay);
};

const connectToRabbitMQ = async () => {
console.log("Connecting to RabbitMQ...");

try {
const connection = await amqp.connect(config.rabbitMQURI);
console.log("Connected to RabbitMQ");

connection.on("close", () => {
console.warn("RabbitMQ connection closed");
scheduleRetry();
});

connection.on("error", (error) => {
console.error("RabbitMQ connection error:", error.message);
});

const channel = await connection.createChannel();
await channel.assertQueue(config.orderQueue, { durable: true });

Expand Down Expand Up @@ -65,8 +81,11 @@ class App {
});
} catch (err) {
console.error("Failed to connect to RabbitMQ:", err.message);
scheduleRetry();
}
}, delay);
};

setTimeout(connectToRabbitMQ, delay);
}

start() {
Expand Down
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