关于消息的发布与订阅,之前一直使用的是activeMQ基于JMS的消息队列进行操作的,最近听说有一个更高效的消息的发布与订阅技术,就是Kafka. 关于kafka的介绍,在这里就不做过多讲解了,因为我自己也不是很了解,大概就知道它与activeMQ一样,都是具有生产者和消费者的发布与订阅消息的机制. 具体请参见百度百科Apache Kafka. 今天我想说的就是,初遇kafka所踩的坑,非常大的坑!! 今天第一次学习Kafka,参考的是ORCHome网上的资料. 具体使用,我这里不过多介绍,具体

Kafka报错处理 1.   记一次kafka报错处理   Kafka停止后,再启动的时候发生了报错: [2017-10-27 09:43:18,313] INFO Recovering unflushed segment 15000679 in log mytest-0. (kafka.log.Log) [2017-10-27 09:43:18,972] ERROR There was an error in one of the threads during logs loading: ja

转载:https://www.greenhtml.com/archives/Commit-cannot-be-completed-since-the-group-has-already-rebalanced-and-assigned-the-partitions-to-another-member.html kafka报错: org.apache.kafka.clients.consumer.CommitFailedException: Commit cannot be completed si

Java 客户端连接Kafka报如下错误 java.nio.channels.ClosedChannelExcep 是由于Kafka server.properties中的advertised.host.name 属性没有配置.这个属性代表客户端访问Kafka的地址.如果没配置默认是主机名.

org.springframework.kafka.support.LoggingProducerListener- Exception thrown when sending a message with key='null' and payload='{"dataDts":["20180329","20180328","20180327","20180326","20180323"]

现象 1.kafka topic 部分分区积压 2.问题kafka 节点上一直报错:java.lang.IllegalStateException: Invalid message size: 0 [2019-09-27 14:25:09,829] ERROR [Replica Manager on Broker 2]: Error processing fetch operation on partition [topic-test-Log,17], offset 1519780193 (ka

忘记了截图,后来解决了就懒得再去重新制造错误了.大概记得是通过ssh连接linux时,报错 Could not verify `ssh-rsa` host key with fingerprint ... 解决方法:删除本地known_hosts文件. 注:时本地,不是服务器上的.我的在C:/User/Administor/.ssh/known_hosts .

1.遇到的问题: 打开soapui即报错,如下: You're getting this message since your computer is offline and SoapUI can't access Internet. Without Internet connection you might experience some issues when doing Web Service Testing. 2.解决办法: ①file----preference: ②proxy----

启动kafka时 报错: kafka-console-consumer.sh --from-beginning --zookeeper node01:8121,node02:8121,node03:8121 --topic log_monitorUsing the ConsoleConsumer with old consumer is deprecated and will be removed in a future major release. Consider using the new

spring cloud服务启动之后,立刻进行调用 报错:com.netflix.zuul.exception.ZuulException: Forwarding error Caused by: com.netflix.client.ClientException: null Caused by: java.lang.RuntimeException: java.net.SocketTimeoutException: Read timed out.. 原因: 并不是各个实例在zuul首次注册就

0x00 概述 filebeat非常轻量级,正常情况下占用的资源几乎都能忽略不计,但是部署后发现资源占用很大,所以怀疑是filebeat本身出了问题. 第一时间查看filebeat日志(默认路径/var/log/filebeat/filebeat,K8S需要在控制台实时查看pod的日志),发现有大量内容输出: 2019-03-20T08:55:02.198+0800 INFO kafka/log.go:53 producer/broker/544 starting up 2019-03-20T0

WARN - The configuration 'zookeeper.connect' was supplied but isn't a known config.WARN - The configuration 'input.topic' was supplied but isn't a known config.WARN - Bootstrap broker ip:9092 disconnected       WARN - Bootstrap broker ip:9092 disconn

as it has seen zxid 0x83808 our last zxid is 0x0 client must try another server 停止zookeeper,删除datadir(看zookeeper.property的dir位置) 然后更改默认port 可能是有多个进程存在 看一下kafka和zookepper进程,使用netstat -anlpr看下端口占用

Call From hdp-05/192.168.230.15 to hdp-01:10020 failed on connection exception: java.net.ConnectException: 拒绝连接; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused 错误原因没有启动hadoop的history程序JobHistoryServer进程监听端口就是10020 解决: mr-jobhis

是因为默认的java heap size是50M,将broker_max_heap_size参数设置为512M后,重启kafka服务即可

Resetting  first dirty ofset to log start  offset 2971862 since the checkpointed offset 12675089 is invalid reruirement failed 11302544 messages in segment  __consumer_offsets-31/000000000000169538124.log  but offset map can only 5033164, you can inc

kafka启动报错&问题解决 一早上班,就收到运维同事通知说有一台物理机宕机,导致虚拟机挂了.只得重启kafka服务器. 1.启动 启动zookeeper bin/zkServer.sh start conf/zoo.cfg & 启动kafka bin/kafka-server-start.sh config/server.properties & 2.测试 问题一 kafka启动之后,发现一直打印warn,上图.且在进程中ps -ef| grep kafka,无法看到.很明显ka

启动kafka报错 错误原因是: 由较高版本的jdk编译的java class文件 试图在较低版本的jvm上运行的报错 解决办法是: 查看java版本 C:\Users\Administrator>java -version java version "1.7.0_17" Java(TM) SE Runtime Environment (build 1.7.0_17-b02) Java HotSpot(TM) -Bit Server VM (build 23.7-b01, mix

和同事协同开发项目,在启动项目时偶尔报错连接不到MQTT 服务器. 原因是两个人开发同一个项目,连接MQTT时配置的 client-id 相同,在使用一个client-id连接到MQTT服务器后,再使用同一个 client-id 连接MQTT服务器会抛出该异常.

使用java代码测试redis5.0单机版时,报redis连接超时异常,而linux上的redis能正常访问: redis.clients.jedis.exceptions.JedisConnectionException: java.net.SocketTimeout 分析原因:有可能是linux的6379端口被防火墙拦截了 打开端口:/sbin/iptables -I INPUT -p tcp --dport 6379 -j ACCEPT 保存:/etc/rc.d/init.d/iptabl

首次启动Kafka报错如下: 原因:内存不足,查看启动配置 调小一些: