首先聲明一點(diǎn)，這里的重試并不是報(bào)錯(cuò)以后的重試，而是負(fù)載均衡客戶端發(fā)現(xiàn)遠(yuǎn)程請(qǐng)求實(shí)例不可到達(dá)后，去重試其他實(shí)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(jī)制
feign默認(rèn)是通過(guò)自己包下的retryer進(jìn)行重試配置,默認(rèn)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(qǐng)求超時(shí)設(shè)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?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持服務(wù)器之家。
原文鏈接：https://www.cnblogs.com/zhangjianbin/p/7228606.html
