废话就不多说了，开始。。。
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从异常息信中，可以看到是read timed out，应该是Socket在读取Post来过的参数时“后继无人”，形成读取超时。因为底层实现是java.net.Socket
，而在Socket的read中程过SO_TIMEOUT参数是置设读取超时的。所以从这方面动手，提出以下几点议建供参考：
1.用启native i/o
2.增长Socket Readers，这是一个百分比，默许是33，从1-99，增长这个参数可以进步服务端收接客户端请求的速度和能力。
3.增长行执队列。
以上参数在server- >Configuration- >tuning中可以置设。
注意：以上参数整调必须先从测试环境中以近似压力测试后有效再应用于产生环境。
> 以下是现场发还的控制台日至，烦请各位师老帮助分析因原，谢谢！
>
>#### <2007-7-5 20时05分29秒 GMT+08:00 > <Error > <HTTP > <loopback > <his_managedServer1 > <ExecuteThread: '2' for queue:
'weblogic.kernel.Default' > < <WLS Kernel > > < > <BEA-101017 > <[ServletContext(id=1681284293,name=his,context-path=/his)] Root cause
of ServletException.
>java.net.SocketTimeoutException: Read timed out
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java(Compiled Code))
> at weblogic.servlet.internal.PostInputStream.read(PostInputStream.java(Compiled Code))
> at weblogic.servlet.internal.ServletInputStreamImpl.read(ServletInputStreamImpl.java(Compiled Code))
> at weblogic.servlet.internal.ServletRequestImpl.mergePostParams(ServletRequestImpl.java(Compiled Code))
> at weblogic.servlet.internal.ServletRequestImpl.parseQueryParams(ServletRequestImpl.java(Inlined Compiled Code))
> at weblogic.servlet.internal.ServletRequestImpl.getParameter(ServletRequestImpl.java(Inlined Compiled Code))
> at weblogic.servlet.internal.ServletRequestImpl.getParameter(ServletRequestImpl.java(Compiled Code))
> at com.xxxxx.ppppp.util.RequestUtil. <init >(RequestUtil.java(Inlined Compiled Code))
> at com.xxxxx.ppppp.action.EAPDispatchAction.execute(EAPDispatchAction.java(Compiled Code))
> at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java(Inlined Compiled Code))
> at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java(Compiled Code))
> at com.xxxxx.ppppp.action.EAPActionServlet.process(EAPActionServlet.java(Compiled Code))
> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java(Compiled Code))
> at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
> at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
> at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java(Inlined Compiled Code))
> at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java(Compiled Code))
> at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java(Inlined Compiled Code))
> at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java(Compiled Code))
> at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java(Compiled Code))
> at weblogic.security.service.SecurityManager.runAs(SecurityManager.java(Inlined Compiled Code))
> at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java(Compiled Code))
> at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java(Compiled Code))
> at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java(Compiled Code))
> at weblogic.kernel.ExecuteThread.run(ExecuteThread.java(Compiled Code))
>--------------- nested within: ------------------
>weblogic.utils.NestedRuntimeException: Cannot parse POST parameters of request: '/his/DrugChargeAction.do' - with nested
exception:
>[java.net.SocketTimeoutException: Read timed out]
> at weblogic.servlet.internal.ServletRequestImpl.mergePostParams(ServletRequestImpl.java(Compiled Code))
> at weblogic.servlet.internal.ServletRequestImpl.parseQueryParams(ServletRequestImpl.java(Inlined Compiled Code))
> at weblogic.servlet.internal.ServletRequestImpl.getParameter(ServletRequestImpl.java(Inlined Compiled Code))
> at weblogic.servlet.internal.ServletRequestImpl.getParameter(ServletRequestImpl.java(Compiled Code))
> at com.xxxxx.ppppp.util.RequestUtil. <init >(RequestUtil.java(Inlined Compiled Code))
> at com.xxxxx.ppppp.action.EAPDispatchAction.execute(EAPDispatchAction.java(Compiled Code))
> at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java(Inlined Compiled Code))
> at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java(Compiled Code))
> at com.xxxxx.ppppp.action.EAPActionServlet.process(EAPActionServlet.java(Compiled Code))
> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java(Compiled Code))
> at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
> at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
> at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java(Inlined Compiled Code))
> at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java(Compiled Code))
> at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java(Inlined Compiled Code))
> at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java(Compiled Code))
> at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java(Compiled Code))
> at weblogic.security.service.SecurityManager.runAs(SecurityManager.java(Inlined Compiled Code))
> at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java(Compiled Code))
> at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java(Compiled Code))
> at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java(Compiled Code))
> at weblogic.kernel.ExecuteThread.run(ExecuteThread.java(Compiled Code))
文章结束给大家分享下程序员的一些笑话语录：
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