首先聲明一點，這里的重試并不是報錯以后的重試，而是負載均衡客戶端發現遠程請求實例不可到達后，去重試其他實例。
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@bean@loadbalancedresttemplate resttemplate() { httpcomponentsclienthttprequestfactory httprequestfactory = new httpcomponentsclienthttprequestfactory(); httprequestfactory.setreadtimeout(5000); httprequestfactory.setconnecttimeout(5000); return new resttemplate(httprequestfactory);} |
feign重試機制
feign默認是通過自己包下的retryer進行重試配置,默認是5次
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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取消重試
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@bean retryer feignretryer() { return retryer.never_retry; } |
feign請求超時設置
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@beanrequest.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內容，希望對大家的學習有所幫助，也希望大家多多支持服務器之家。
原文鏈接：https://www.cnblogs.com/zhangjianbin/p/7228606.html
