在GAE / J上使用jsp时出错500

时间：2011-04-14 13:06:56

标签： java jsp google-app-engine

我在App Engine上的JSP有一个奇怪的错误500。

这很奇怪，因为错误只发生 ，其中包含jsp的3个第一次请求。

所以我浏览到.jsp网址，我重新加载2-3次，我有2-3个错误500，我再次重新加载，它可以工作。

test.jsp看起来像这样：

<% String s = "hello"; %><h2><% out.println(s); %></h2>

有趣的是，我的html文件正常工作，js发出的异步请求也正常工作。

我想我的配置中有一个错误，但我找不到。

编辑：

我试图清空web.xml，queue.xml并重置appengine-web.xml

错误日志位于Pastebin：pastebin.com/TDZH4xj3

我还禁用了常开选项，并以新名称重新部署了应用。仍然是同样的错误。

2011-04-18 00:10:20.312 /test.jsp 500 3665ms 1820cpu_ms 0kb Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.29 (KHTML, like Gecko) Chrome/12.0.733.0 Safari/534.29,gzip(gfe),gzip(gfe),gzip(gfe)
92.245.143.214 - - [18/Apr/2011:00:10:20 -0700] "GET /test.jsp HTTP/1.1" 500 0 - "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.29 (KHTML, like Gecko) Chrome/12.0.733.0 Safari/534.29,gzip(gfe),gzip(gfe),gzip(gfe)" "www.planeteimmo.net" ms=3666 cpu_ms=1820 api_cpu_ms=0 cpm_usd=0.050630 loading_request=1



W 2011-04-18 00:10:20.297
Error for /test.jsp
java.lang.AbstractMethodError: javax.servlet.jsp.JspFactory.getJspApplicationContext(Ljavax/servlet/ServletContext;)Ljavax/servlet/jsp/JspApplicationContext;
    at org.apache.jsp.test_jsp._jspInit(test_jsp.java:22)
    at org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:76)
    at org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:440)
    at org.mortbay.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:339)
    at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
    at com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlobUploadFilter.java:97)
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    at com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:35)
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
    at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
    at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
    at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
    at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
    at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:238)
    at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
    at org.mortbay.jetty.Server.handle(Server.java:326)
    at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
    at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923)
    at com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76)
    at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
    at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:135)
    at com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:261)
    at com.google.apphosting.base.RuntimePb$EvaluationRuntime$2.handleRequest(RuntimePb.java:9285)
    at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:437)
    at com.google.net.rpc.impl.Server$RpcTask.runInContext(Server.java:573)
    at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:448)
    at com.google.tracing.TraceContext.runInContext(TraceContext.java:688)
    at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:326)
    at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:318)
    at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:446)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
    at java.lang.Thread.run(Thread.java:636)





C 2011-04-18 00:10:20.307
Uncaught exception from servlet
java.lang.AbstractMethodError: javax.servlet.jsp.JspFactory.getJspApplicationContext(Ljavax/servlet/ServletContext;)Ljavax/servlet/jsp/JspApplicationContext;
    at org.apache.jsp.test_jsp._jspInit(test_jsp.java:22)
    at org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:76)
    at org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:440)
    at org.mortbay.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:339)
    at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
    at com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlobUploadFilter.java:97)
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    at com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:35)
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
    at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
    at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
    at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
    at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
    at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
    at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:238)
    at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
    at org.mortbay.jetty.Server.handle(Server.java:326)
    at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
    at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923)
    at com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76)
    at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
    at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:135)
    at com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:261)
    at com.google.apphosting.base.RuntimePb$EvaluationRuntime$2.handleRequest(RuntimePb.java:9285)
    at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:437)
    at com.google.net.rpc.impl.Server$RpcTask.runInContext(Server.java:573)
    at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:448)
    at com.google.tracing.TraceContext.runInContext(TraceContext.java:688)
    at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:326)
    at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:318)
    at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:446)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
    at java.lang.Thread.run(Thread.java:636)

2 个答案:

答案 0 :(得分：4)

  

java.lang.AbstractMethodError：javax.servlet.jsp.JspFactory.getJspApplicationContext（Ljavax / servlet / ServletContext;）Ljavax / servlet / jsp / JspApplicationContext;

您的webapp的/WEB-INF/lib文件夹中有servletcontainer特定的库，这与运行webapp的servletcontainer提供的库冲突。如果您将例如jsp-api.jar从Apache Tomcat复制到webapp的/WEB-INF/lib文件夹并在完全不同的make / version的servletcontainer上运行webapp，则会发生这种情况。在您的特定情况下，其中一个库是旧版本，缺少所提到的异常消息中的方法。

在/WEB-INF/lib中删除所有内容。他们绝对不属于那里。它们应该由servletcontainer本身提供。如果你这样做是为了规避编译错误（这是启动者把它们放在错误位置的常见原因之一），那么它需要以不同的方式解决。

答案 1 :(得分：3)

这也发生在我身上。我在/ WEB-INF / lib目录中有gwt-dev.jar。它不应该存在。

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