上一篇说的将非Spring Boot项目注册到Eureka Server并提供服务也说到,配置文件里eureka.port必须要与本机tomcat端口号相同,但不同环境往往有不同的tomcat端口号,以往我使用不同环境的配置文件以确保eureka服务端口与tomcat一致。
1.读tomcat配置文件
这是最先想到的方法,通过classpath一层层找到conf下的server.xml拿端口号,因为路径基本不会变,所以也是一种方法,由于发现了更好的方法,此处并无代码…
2.通过Jmx 的MBeanServer
package com.kowalski.demo;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.management.Query;
import java.lang.management.ManagementFactory;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Set;
public class IPAddressKowalski{
public static String getIpAddressAndPort() throws MalformedObjectNameException, NullPointerException,
UnknownHostException {
MBeanServer beanServer = ManagementFactory.getPlatformMBeanServer();
Set<ObjectName> objectNames = beanServer.queryNames(new ObjectName("*:type=Connector,*"),
Query.match(Query.attr("protocol"), Query.value("HTTP/1.1")));
String host = InetAddress.getLocalHost().getHostAddress();
String port = objectNames.iterator().next().getKeyProperty("port");
String ipadd = "http" + "://" + host + ":" + port;
System.out.println(ipadd);
return ipadd;
}
public static int getTomcatPort() throws MalformedObjectNameException, NullPointerException {
MBeanServer beanServer = ManagementFactory.getPlatformMBeanServer();
Set<ObjectName> objectNames = beanServer.queryNames(new ObjectName("*:type=Connector,*"),
Query.match(Query.attr("protocol"), Query.value("HTTP/1.1")));
String port = objectNames.iterator().next().getKeyProperty("port");
return Integer.valueOf(port);
}
}
那么之前写的将非Boot项目注册到eureka server上怎么动态的拿tomcat端口号呢:
在之前的MyInstanceConfig 中加入方法:
/***
*获取本机启动中tomcat端口号
* @return
*/
@Override
public int getNonSecurePort(){
int tomcatPort;
try {
MBeanServer beanServer = ManagementFactory.getPlatformMBeanServer();
Set<ObjectName> objectNames = beanServer.queryNames(new ObjectName("*:type=Connector,*"),
Query.match(Query.attr("protocol"), Query.value("HTTP/1.1")));
tomcatPort = Integer.valueOf(objectNames.iterator().next().getKeyProperty("port"));
}catch (Exception e){
return super.getNonSecurePort();
}
return tomcatPort;
}
这里的getNonSecurePort其实就是config.properties里面配置的eureka.port可以在PropertiesInstanceConfig的init方法中找到