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RedHat6�|�络配置

Doctoryang — Wed, 07 Sep 2016 04:03:00 GMT

1�Q�配�|�IP

�~�辑/etc/sysconfig/network-scripts/ifcfg-eth0�Q�不同的�|�卡为ifcfg-eth?�Q?/span>

a�Q�静态IP

b�Q�动态IP

2�Q�重启IP服务

service network restart

Doctoryang — Tue, 06 Sep 2016 09:00:00 GMT

1.修改每台服务器config/server.properties

broker.id:唯一�Q�填数字

host.name:填写服务器IP

zookeeper.connect=192.168.1.100:2181,192.168.1.101:2181,192.168.1.103:2181

2.启动

先启动zookeeper服务

bin/zkServer.sh start

再在每台机器上执行Kafka服务

bin/kafka-server-start.sh config/server.properties

3.创徏topic

bin/kafka-topics.sh —create —zookeeper localhost:2181 —replication-factor 3 —partitions 1 —topic demo_1

4.查看topic

bin/kafka-topics.sh —list —zookeeper localhost:2181

5.查看详细信息

bin/kafka-topics.sh —describe —zookeeper 192.168.1.100:2181

6.发送消�?/span>

bin/kafka-console-producer.sh —broker-list 192.168.1.100:9092 —topic demo_1

7.接收消息

bin/kafka-console-consumer.sh —zookeeper 192.168.1.100:2181 —topic demo_1 —from-beginning

Doctoryang — Tue, 06 Sep 2016 08:12:00 GMT

1.vi�~�辑中取消^M的操�?br />

:set ff=unix

:%s/\r\+$//e

2.替换wsdl�?字符为空

:%s/-//g

3.配置文�g报错�Q�不允许有匹�?[xX][mM][lL] 的处理指令目�?/span>

解决�Ҏ��Q?/span>

规范的XML格式必须是XML文�g的第一个元素且前面不能�I�格�?/span>

4.去除字符串中的空根{��回车、换行符、制表符

Pattern p = Pattern.compile("\\s*|\t|\r|\n");

Matcher m = p.matcher(str);

requestUrl = m.replaceAll("");