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我在网关类中使用“zuul-core-1.0.28”模块进行路由。在上传几个大小为 50 MB 的文件时，“java.lang.OutOfMemoryError: Java heap space”异常从 Routing 类之一引发，同时将请求转发到适当的 api。转发时，ZuulFilter 尝试解析请求正文（在这种情况下为文件块），这就是它失败并抛出异常的地方

Caused by: java.lang.OutOfMemoryError: Java heap space
    at java.lang.StringCoding$StringDecoder.decode(StringCoding.java:149) ~[na:1.8.0_51]
    at java.lang.StringCoding.decode(StringCoding.java:193) ~[na:1.8.0_51]
    at java.lang.String.<init>(String.java:414) ~[na:1.8.0_51]
    at java.lang.String.<init>(String.java:479) ~[na:1.8.0_51]
    at com.netflix.zuul.http.HttpServletRequestWrapper.parseRequest(HttpServletRequestWrapper.java:167) ~[zuul-core-1.0.28.jar:na]
    at com.netflix.zuul.http.HttpServletRequestWrapper.getInputStream(HttpServletRequestWrapper.java:225) ~[zuul-core-1.0.28.jar:na]
    at javax.servlet.ServletRequest$getInputStream$1.call(Unknown Source) ~[na:na]
    at SimpleHostRoutingFilter.j(SimpleHostRequest.groovy:318) ~[spider.jar:na]
    at SimpleHostRoutingFilter$getRequestBody$2.callCurrent(Unknown Source) ~[na:na]
    at SimpleHostRoutingFilter.run(SimpleHostRequest.groovy:175) ~[spider.jar:na]
    at com.netflix.zuul.ZuulFilter.runFilter(ZuulFilter.java:112) ~[zuul-core-1.0.28.jar:2.4.4]
    at com.netflix.zuul.FilterProcessor.processZuulFilter(FilterProcessor.java:197) ~[zuul-core-1.0.28.jar:2.4.4]
    at com.netflix.zuul.FilterProcessor.runFilters(FilterProcessor.java:161) ~[zuul-core-1.0.28.jar:2.4.4]
    at com.netflix.zuul.FilterProcessor.route(FilterProcessor.java:120) ~[zuul-core-1.0.28.jar:2.4.4]
    at com.netflix.zuul.ZuulRunner.route(ZuulRunner.java:84) ~[zuul-core-1.0.28.jar:2.4.4]
    at com.netflix.zuul.http.ZuulServlet.route(ZuulServlet.java:111) ~[zuul-core-1.0.28.jar:na]
    at com.netflix.zuul.http.ZuulServlet.service(ZuulServlet.java:77) ~[zuul-core-1.0.28.jar:na]

我知道，特别是这个问题在这里被发布了很多次，并且已经将 JVM 堆大小增加到 1GB，但仍然面临这个问题。此外，我确信在生产中它首先会失败，因为会有成千上万的请求会非常频繁地出现，并且增加内存不会有太大帮助。

任何帮助，将不胜感激。

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