tomcat報錯：

????

?[2015-08-24?14:56:41]?3084386??ERROR?-?com.tools.common.util.close.CloseUtil?-?Unable?to?close?org.apache.catalina.connector.CoyoteWriter@39c3e691
org.apache.coyote.http11.HeadersTooLargeException:?An?attempt?was?made?to?write?more?data?to?the?response?headers?than?there?was?room?available?in?the?buffer.?Increase?maxHttpHeaderSize?on?the?connector?or?write?less?data?into?the?response?headers.
????????at?org.apache.coyote.http11.AbstractOutputBuffer.checkLengthBeforeWrite(AbstractOutputBuffer.java:547)
????????at?org.apache.coyote.http11.AbstractOutputBuffer.write(AbstractOutputBuffer.java:511)
????????at?org.apache.coyote.http11.AbstractOutputBuffer.write(AbstractOutputBuffer.java:428)
????????at?org.apache.coyote.http11.AbstractOutputBuffer.sendHeader(AbstractOutputBuffer.java:394)
????????at?org.apache.coyote.http11.AbstractHttp11Processor.prepareResponse(AbstractHttp11Processor.java:1540)
????????at?org.apache.coyote.http11.AbstractHttp11Processor.action(AbstractHttp11Processor.java:773)
????????at?org.apache.coyote.Response.action(Response.java:174)
????????at?org.apache.coyote.Response.sendHeaders(Response.java:365)
????????at?org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:352)
????????at?org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:309)
????????at?org.apache.catalina.connector.CoyoteWriter.close(CoyoteWriter.java:112)
????????at?com.tools.common.util.close.CloseUtil.close(CloseUtil.java:20)
????????at?com.tools.common.struts.base.BaseAction.print(BaseAction.java:63)
????????at?com.tools.common.struts.base.BaseAction.print(BaseAction.java:43)
????????at?com.jlj.sso.web.login.LoginAction.login(LoginAction.java:47)
????????at?sun.reflect.GeneratedMethodAccessor49.invoke(Unknown?Source)
????????at?sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
????????at?java.lang.reflect.Method.invoke(Method.java:601)
????????at?com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:450)?

經網絡查詢，發現是tomcat的請求的頭過大，解決辦法如下：

maxHttpHeaderSize="102400"次參數不要設置過大，容易導致內存溢出。

設置位置為訪問端口

本文轉自 xinsir999 51CTO博客，原文鏈接：http://blog.51cto.com/xinsir/1687676，如需轉載請自行聯系原作者

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