As per your exception* tweet_now* class is not available for JVM. If you have created this class, make sure you have imported it. OR if you are using jar file for this class, make sure you have added the jar file to the class path.
Just to clarify- Are you using eclipse to deploy the code in app engine? Thanks, Amit On Fri, Apr 8, 2011 at 11:49 AM, hiran.suvrat <[email protected]>wrote: > I have a similar problem and the error log is.. Thank you for the help > > 500 776ms 956cpu_ms 0kb Mozilla/5.0 (Windows; U; Windows NT 5.1; en- > US) AppleWebKit/534.16 (KHTML, like Gecko) Chrome/10.0.648.133 Safari/ > 534.16,gzip(gfe) > 203.110.243.21 - - [30/Mar/2011:14:33:44 -0700] "GET / HTTP/1.1" 500 0 > - "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.16 > (KHTML, like Gecko) Chrome/10.0.648.133 Safari/534.16,gzip(gfe)" > "sentiment-app.appspot.com" ms=777 cpu_ms=957 api_cpu_ms=0 > cpm_usd=0.026614 loading_request=1 > W 2011-03-30 14:33:44.409 > EXCEPTION > java.lang.ClassNotFoundException: tweet_now > at > com.google.appengine.runtime.Request.process-01e974251f42de3f(Request.java) > at java.lang.ClassLoader.loadClass(ClassLoader.java:266) > at org.mortbay.util.Loader.loadClass(Loader.java:91) > at org.mortbay.util.Loader.loadClass(Loader.java:71) > at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:73) > at > org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java: > 242) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: > 50) > at > org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java: > 685) > at org.mortbay.jetty.servlet.Context.startContext(Context.java:140) > at > org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java: > 1250) > at > org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java: > 517) > at > org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java: > 467) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: > 50) > 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 > $Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:636) > E 2011-03-30 14:33:44.410 > javax.servlet.ServletContext log: unavailable > javax.servlet.UnavailableException: tweet_now > at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:79) > at > org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java: > 242) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: > 50) > at > org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java: > 685) > at org.mortbay.jetty.servlet.Context.startContext(Context.java:140) > at > org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java: > 1250) > at > org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java: > 517) > at > org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java: > 467) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: > 50) > at > > com.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler(AppVersionHandlerMap.java: > 191) > at > > com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java: > 168) > at > > com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java: > 123) > at > com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java: > 261) > at com.google.apphosting.base.RuntimePb$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 > $Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:636) > W 2011-03-30 14:33:44.414 > Failed startup of context > com.google.apphosting.utils.jetty.RuntimeAppEngineWebAppContext@13c33b7 > {/,/ > base/data/home/apps/sentiment-app/1.349208838425736194} > java.lang.NullPointerException > at java.lang.Class.isAssignableFrom(Native Method) > at > org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java: > 256) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: > 50) > at > org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java: > 685) > at org.mortbay.jetty.servlet.Context.startContext(Context.java:140) > at > org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java: > 1250) > at > org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java: > 517) > at > org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java: > 467) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: > 50) > at > > com.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler(AppVersionHandlerMap.java: > 191) > at > > com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java: > 168) > at > > com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java: > 123) > at > com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java: > 261) > at com.google.apphosting.base.RuntimePb$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 > $Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:636) > C 2011-03-30 14:33:44.418 > Uncaught exception from servlet > javax.servlet.UnavailableException: Initialization failed. > at > > com.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler(AppVersionHandlerMap.java: > 200) > at > > com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java: > 168) > at > > com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java: > 123) > at > com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java: > 261) > at com.google.apphosting.base.RuntimePb$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) > I 2011-03-30 14:33:44.422 > This request caused a new process to be started for your application, > and thus caused your application code to be loaded for the first time. > This request may thus take longer and use more CPU than a typical > request for your application. > > Regards, > Suvrat > > On Apr 7, 5:56 pm, Amit Pandey <[email protected]> wrote: > > Please copy and paste your google app engine console to identify the > exact > > problem. > > > > Thanks.On Thu, Apr 7, 2011 at 5:31 PM, Rajesh KN <[email protected]> > wrote: > > > Error: Server Error The server encountered an error and could not > complete > > > your request. > > > > > If the problem persists, please report< > http://code.google.com/appengine/community.html> your > > > problem and mention this error message and the query that caused it. > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "Google App Engine for Java" group. > > > To post to this group, send email to > > > [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]. > > > For more options, visit this group at > > >http://groups.google.com/group/google-appengine-java?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
