我现在用java开发了一个以mvc的网站，但是出现了down机的现象，非常严重，一天得5-6次，我总要重新启动tomcat。真是my god。
原因是用户访问量太大。
怎么结决呢。
只好请教各位了。
我现在用java开发了一个以mvc的网站，但是出现了down机的现象，非常严重，一天得5-6次，我总要重新启动tomcat。真是my god。
原因是用户访问量太大。
怎么结决呢。
只好请教各位了。
一般可以如下
1:调整启动堆栈大小.
2:增大最大连接数.
错误日志什么也没有，当down机时静态的html也访问不了。
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:160)
at org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:523)
at org.apache.coyote.Response.doWrite(Response.java:524)
at org.apache.coyote.tomcat4.OutputBuffer.realWriteBytes(OutputBuffer.java:384)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:439)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:359)
at org.apache.coyote.tomcat4.OutputBuffer.writeBytes(OutputBuffer.java:411)
at org.apache.coyote.tomcat4.OutputBuffer.write(OutputBuffer.java:398)
at org.apache.coyote.tomcat4.CoyoteOutputStream.write(CoyoteOutputStream.java:110)
at org.apache.catalina.servlets.DefaultServlet.copyRange(DefaultServlet.java:1996)
at org.apache.catalina.servlets.DefaultServlet.copy(DefaultServlet.java:1745)
at org.apache.catalina.servlets.DefaultServlet.serveResource(DefaultServlet.java:1073)
at org.apache.catalina.servlets.DefaultServlet.doGet(DefaultServlet.java:506)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:295)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:161)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:148)
at java.net.Socket.connect(Socket.java:425)
at java.net.Socket.connect(Socket.java:375)
at sun.net.NetworkClient.doConnect(NetworkClient.java:139)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:366)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:582)
at sun.net.www.http.HttpClient.
at sun.net.www.http.HttpClient.
at sun.net.www.http.HttpClient.New(HttpClient.java:321)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:301)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:469)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:460)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:562)
at java.net.URL.openStream(URL.java:955)
at org.apache.jsp.newbdxdcxok_jsp._jspService(newbdxdcxok_jsp.java:228)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:210)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
java.net.SocketException: Socket closed
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
at java.net.SocketOutputStream.write(SocketOutputStream.java:126)
at
%_RUNJAVA% %TOMCAT_OPTS% -Dtomcat.home="%TOMCAT_HOME%" \
-Xmx256m org.apache.tomcat.startup.Tomcat %2 %3 %4 %5 %6 %7 %8 %9
根据你服务器的实际内存调整 -Xmx256m
bin下没有
中
根据你选择的启动类型 修改
看看IBM网站上的成功案例吧
呵呵，不是使用EJB才是J2EE的，选择合适的才是适合的：）