首先声明一点，这里的重试并不是报错以后的重试，而是负载均衡客户端发现远程请求实例不可到达后，去重试其他实例。
|
1
2
3
4
5
6
7
8
|
@bean
@loadbalanced
resttemplate resttemplate() {
httpcomponentsclienthttprequestfactory httprequestfactory = new httpcomponentsclienthttprequestfactory();
httprequestfactory.setreadtimeout(5000);
httprequestfactory.setconnecttimeout(5000);
return new resttemplate(httprequestfactory);
}
|
feign重试机制
feign默认是通过自己包下的retryer进行重试配置,默认是5次
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
package feign;
import static java.util.concurrent.timeunit.seconds;
/**
* cloned for each invocation to {@link client#execute(request, feign.request.options)}.
* implementations may keep state to determine if retry operations should continue or not.
*/
public interface retryer extends cloneable {
/**
* if retry is permitted, return (possibly after sleeping). otherwise propagate the exception.
*/
void continueorpropagate(retryableexception e);
retryer clone();
public static class default implements retryer {
private final int maxattempts;
private final long period;
private final long maxperiod;
int attempt;
long sleptformillis;
public default() {
this(100, seconds.tomillis(1), 5);
}
public default(long period, long maxperiod, int maxattempts) {
this.period = period;
this.maxperiod = maxperiod;
this.maxattempts = maxattempts;
this.attempt = 1;
}
|
feign取消重试
|
1
2
3
4
|
@bean
retryer feignretryer() {
return retryer.never_retry;
}
|
feign请求超时设置
|
1
2
3
4
5
6
7
|
@bean
request.options requestoptions(configurableenvironment env){
int ribbonreadtimeout = env.getproperty("ribbon.readtimeout", int.class, 6000);
int ribbonconnectiontimeout = env.getproperty("ribbon.connecttimeout", int.class, 3000);
return new request.options(ribbonconnectiontimeout, ribbonreadtimeout);
}
|
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://www.cnblogs.com/zhangjianbin/p/7228606.html