k8s的rocketmq报错，如何解决？

Question

访问k8s的rocketmq报错org.apache.rocketmq.remoting.exception.RemotingTooMuchRequestException: sendDefaultImpl call timeout，看了网上的教程说是要在broker.conf中加brokerIP1为公网地址，可是我加了之后连dashboard会报错显示org.apache.rocketmq.remoting.exception.RemotingConnectException: connect to 192.168.1.182:30789 failed，这个要怎么解决？

这个是我的configMap

apiVersion: v1
kind: ConfigMap
metadata:
  name: rocketmq-broker-config
  namespace: dev
data:
  broker.conf: |
    brokerClusterName=rocketmq-cluster
    brokerName=rocketmqbroker
    namesrvAddr=192.168.1.182:32383
    brokerId=0
    brokerIP1=192.168.1.182
    deleteWhen = 04
    listenPort=30789
    autoCreateTopicEnable=true
    autoCreateSubscriptionGroup=true
    storePathRootDir=/home/rocketmq/store
    storePathCommitLog=/home/rocketmq/store/commitlog
    storePathConsumeQueue=/home/rocketmq/store/consumequeue
    storePathIndex=/home/rocketmq/store/index
    storeCheckpoint=/home/rocketmq/store/checkpoint
    abortFile=/home/rocketmq/store/abort
    brokerRole=ASYNC_MASTER
    flushDiskType=ASYNC_FLUS

这个是我的broker的Service

```yaml

apiVersion: v1
kind: Service
metadata:
  labels:
    app: rocketmqnamesrv
  name: rocketmqnamesrv
spec:
  type: NodePort
  ports:
  - port: 9876
    targetPort: 9876
    name: namesrvport
  selector:
    app: rocketmqnamesrv
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: rocketmqnamesrv
spec:
  serviceName: rocketmqnamesrv
  replicas: 1
  selector:
    matchLabels:
      app: rocketmqnamesrv
  template:
    metadata:
     labels:
       app: rocketmqnamesrv
    spec:
      containers:
      - name: rocketmqnamesrv
        image: apache/rocketmq:5.0.0
        imagePullPolicy: IfNotPresent
        env:
          - name: TZ
            value: Asia/Shanghai
          - name: JAVA_OPT_EXT
            value: "-Duser.home=/home/rocketmq -Xms512M -Xmx512M -Xmn128m"
        command: ["sh","/home/rocketmq/rocketmq-5.0.0/bin/mqnamesrv"]
        readinessProbe:
          tcpSocket:
            port: 9876
          initialDelaySeconds: 15
          timeoutSeconds: 5
          periodSeconds: 20

这个是我的nameserver的service

```yaml
apiVersion: v1
kind: Service
metadata:
  labels:
    app: rocketmqnamesrv
  name: rocketmqnamesrv
spec:
  type: NodePort
  ports:
  - port: 9876
    targetPort: 9876
    name: namesrvport
  selector:
    app: rocketmqnamesrv
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: rocketmqnamesrv
spec:
  serviceName: rocketmqnamesrv
  replicas: 1
  selector:
    matchLabels:
      app: rocketmqnamesrv
  template:
    metadata:
     labels:
       app: rocketmqnamesrv
    spec:
      containers:
      - name: rocketmqnamesrv
        image: apache/rocketmq:5.0.0
        imagePullPolicy: IfNotPresent
        env:
          - name: TZ
            value: Asia/Shanghai
          - name: JAVA_OPT_EXT
            value: "-Duser.home=/home/rocketmq -Xms512M -Xmx512M -Xmn128m"
        command: ["sh","/home/rocketmq/rocketmq-5.0.0/bin/mqnamesrv"]
        readinessProbe:
          tcpSocket:
            port: 9876
          initialDelaySeconds: 15
          timeoutSeconds: 5
          periodSeconds: 20

Answer 1

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k8s的RocketMQ报错，如何解决？

你遇到的报错是 RemotingTooMuchRequestException: sendDefaultI，这是RocketMQ的 remoting层面报错，可能是由于网络连接超时或请求队列满导致的。

在k8s环境下，可能的解决方案包括：

1. 检查网络连接：确保k8s集群中的节点之间的网络连接是否正常。
2. 调整RocketMQ的配置：可以尝试调整RocketMQ的配置，例如增加网络连接超时时间、调整请求队列大小等。
3. 检查k8s的网络策略：检查k8s集群中的网络策略是否正确，确保RocketMQ的pod可以正常访问。
4. 使用k8s的日志工具：使用k8s的日志工具，例如kubectl logs，来查看RocketMQ的日志，了解报错的原因。

以下是一个示例代码，用于调整RocketMQ的配置：

// 创建RocketMQ的配置
Properties properties = new Properties();
properties.put("rocketmq.namesrv.addr", "your-namesrv-addr");
properties.put("rocketmq.retries", "3");
properties.put("rocketmq.maxReconnectTimes", "3");
// ...

// 创建RocketMQ的生产者
RocketMQProducer producer = new RocketMQProducer(properties);

在上面的代码中，我们设置了RocketMQ的namesrv地址、重试次数和最大重连次数等配置。

如果你需要更多帮助，请提供更多的错误信息和代码。