shenyu2.5.0解决Exceeded limit on max bytes to buffer:262144

一、环境

shenyu:2.5.0

proxy:divide

二、异常描述

普通请求没有问题，但当json超过1M时会报错

org.apache.shenyu.web.handler.GlobalErrorHandler - handle error: [26ba5fb1-2] Resolved [DataBufferLimitException: Exceeded limit on max bytes to buffer : 262144] for HTTP POST xxx 
org.springframework.core.io.buffer.DataBufferLimitException: Exceeded limit on max bytes to buffer : 262144 
at org.springframework.core.io.buffer.LimitedDataBufferList.raiseLimitException(LimitedDataBufferList.java:99) 
Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: Error 
has been observed at the following site(s): 
*__checkpoint ⇢ org.apache.shenyu.web.configuration.ErrorHandlerConfiguration$1 [DefaultWebFilterChain] 
*__checkpoint ⇢ org.apache.shenyu.web.filter.FileSizeFilter [DefaultWebFilterChain] 
*__checkpoint ⇢ org.apache.shenyu.web.filter.CrossFilter [DefaultWebFilterChain] 
*__checkpoint ⇢ org.springframework.security.web.server.authorization.AuthorizationWebFilter [DefaultWebFilterChain] 
*__checkpoint ⇢ org.springframework.security.web.server.authorization.ExceptionTranslationWebFilter [DefaultWebFilterChain] 
*__checkpoint ⇢ org.springframework.security.web.server.authentication.logout.LogoutWebFilter [DefaultWebFilterChain] 
*__checkpoint ⇢ org.springframework.security.web.server.savedrequest.ServerRequestCacheWebFilter [DefaultWebFilterChain] 
*__checkpoint ⇢ org.springframework.security.web.server.context.SecurityContextServerWebExchangeWebFilter [DefaultWebFilterChain] 
*__checkpoint ⇢ org.springframework.security.web.server.context.ReactorContextWebFilter [DefaultWebFilterChain] 
*__checkpoint ⇢ org.springframework.security.web.server.header.HttpHeaderWriterWebFilter [DefaultWebFilterChain] 
*__checkpoint ⇢ org.springframework.security.config.web.server.ServerHttpSecurity$ServerWebExchangeReactorContextWebFilter [DefaultWebFilterChain] 
*__checkpoint ⇢ org.springframework.security.web.server.WebFilterChainProxy [DefaultWebFilterChain] 
*__checkpoint ⇢ org.springframework.boot.actuate.metrics.web.reactive.server.MetricsWebFilter [DefaultWebFilterChain] 
*__checkpoint ⇢ HTTP POST "xxxx" [ExceptionHandlingWebHandler] Original Stack Trace: 
at org.springframework.core.io.buffer.LimitedDataBufferList.raiseLimitException(LimitedDataBufferList.java:99) 
at org.springframework.core.io.buffer.LimitedDataBufferList.updateCount(LimitedDataBufferList.java:92) 
at org.springframework.core.io.buffer.LimitedDataBufferList.add(LimitedDataBufferList.java:58) 
at reactor.core.publisher.MonoCollect$CollectSubscriber.onNext(MonoCollect.java:118) 
at reactor.core.publisher.FluxMap$MapSubscriber.onNext(FluxMap.java:122) 
at reactor.core.publisher.FluxPeek$PeekSubscriber.onNext(FluxPeek.java:200) 
at reactor.core.publisher.FluxMap$MapSubscriber.onNext(FluxMap.java:122) 
at reactor.netty.channel.FluxReceive.onInboundNext(FluxReceive.java:364)
at reactor.netty.channel.ChannelOperations.onInboundNext(ChannelOperations.java:404) 
at reactor.netty.http.server.HttpServerOperations.onInboundNext(HttpServerOperations.java:595) 
at reactor.netty.channel.ChannelOperationsHandler.channelRead(ChannelOperationsHandler.java:93) 
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) 
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) 
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) 
at reactor.netty.http.server.HttpTrafficHandler.channelRead(HttpTrafficHandler.java:266) 
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) 
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) 
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) 
at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436) 
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:327) 
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:314) 
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:435) 
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:279) 
at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251) 
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) 
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) 
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) 
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) 
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) 
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) 
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) 
at io.netty.channel.kqueue.AbstractKQueueStreamChannel$KQueueStreamUnsafe.readReady(AbstractKQueueStreamChannel.java:544) 
at io.netty.channel.kqueue.AbstractKQueueChannel$AbstractKQueueUnsafe.readReady(AbstractKQueueChannel.java:383) 
at io.netty.channel.kqueue.KQueueEventLoop.processReady(KQueueEventLoop.java:211) 
at io.netty.channel.kqueue.KQueueEventLoop.run(KQueueEventLoop.java:289) 
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:995) 
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) 
at java.base/java.lang.Thread.run(Thread.java:832)

三、解决

设置yml

spring:
  codec:
    max-in-memory-size: 20MB

shenyu:
  httpclient:
    strategy: webClient
    connectTimeout: 45000
    responseTimeout: 3000
    readerIdleTime: 3000
    writerIdleTime: 3000
    allIdleTime: 3000
    readTimeout: 3000
    writeTimeout: 3000
    wiretap: false
    keepAlive: false
    maxInMemorySize: 20 #mb