Google App Engine 500錯誤

所以我已經將我的應用程序部署到了GAE，但我得到的僅僅是一個簡單的十字路口站點，在索引頁面上有一個500錯誤。由於我根本就不是Java的專家，因此我需要一些解碼錯誤日誌的幫助。你知道該怎麼做才能使應用程序再次工作（它一直在工作）？Google App Engine 500錯誤

Failed startup of context [email protected]1370ce9{/,/base/data/home/apps/s~dobekologistics/3.354826916826026599} 
    org.mortbay.util.MultiException[java.lang.NoClassDefFoundError: Could not initialize class com.sun.xml.bind.v2.runtime.reflect.opt.Injector, java.lang.NoClassDefFoundError: Could not initialize class com.sun.xml.bind.v2.runtime.reflect.opt.Injector] 
     at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:656) 
     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:202) 
     at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java:171) 
     at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:123) 
     at com.google.apphosting.runtime.JavaRuntime$RequestRunnable.run(JavaRuntime.java:392) 
     at com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:449) 
     at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:455) 
     at com.google.tracing.TraceContext.runInContext(TraceContext.java:695) 
     at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:333) 
     at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:325) 
     at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:453) 
     at com.google.apphosting.runtime.ThreadGroupPool$PoolEntry.run(ThreadGroupPool.java:162) 
     at java.lang.Thread.run(Thread.java:679) 
    java.lang.NoClassDefFoundError: Could not initialize class com.sun.xml.bind.v2.runtime.reflect.opt.Injector 
     at com.sun.xml.bind.v2.runtime.reflect.opt.AccessorInjector.prepare(AccessorInjector.java:79) 
     at com.sun.xml.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.get(OptimizedAccessorFactory.java:165) 
     at com.sun.xml.bind.v2.runtime.reflect.Accessor$FieldReflection.optimize(Accessor.java:256) 
     at com.sun.xml.bind.v2.runtime.property.ArrayProperty.<init>(ArrayProperty.java:65) 
     at com.sun.xml.bind.v2.runtime.property.ArrayERProperty.<init>(ArrayERProperty.java:84) 
     at com.sun.xml.bind.v2.runtime.property.ArrayElementProperty.<init>(ArrayElementProperty.java:96) 
     at com.sun.xml.bind.v2.runtime.property.ArrayElementNodeProperty.<init>(ArrayElementNodeProperty.java:58) 
     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 
     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) 
     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 
     at java.lang.reflect.Constructor.newInstance(Constructor.java:33) 
     at com.sun.xml.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:124) 
     at com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:179) 
     at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:515) 
     at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:330) 
     at com.sun.xml.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:1140) 
     at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:154) 
     at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:121) 
     at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:202) 
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) 
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
     at java.lang.reflect.Method.invoke(Method.java:616) 
     at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:159) 
     at javax.xml.bind.ContextFinder.find(ContextFinder.java:311) 
     at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:392) 
     at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:357) 
     at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:264) 
     at com.sun.jersey.server.impl.wadl.WadlApplicationContextImpl.<init>(WadlApplicationContextImpl.java:66) 
     at com.sun.jersey.server.impl.wadl.WadlFactory.init(WadlFactory.java:94) 
     at com.sun.jersey.server.impl.application.WebApplicationImpl.initWadl(WebApplicationImpl.java:1207) 
     at com.sun.jersey.server.impl.application.WebApplicationImpl.processRootResources(WebApplicationImpl.java:1106) 
     at com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:912) 
     at com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:589) 
     at com.sun.jersey.spi.container.servlet.ServletContainer.initiate(ServletContainer.java:403) 
     at com.sun.jersey.spi.container.servlet.ServletContainer$InternalWebComponent.initiate(ServletContainer.java:252) 
     at com.sun.jersey.spi.container.servlet.WebComponent.load(WebComponent.java:550) 
     at com.sun.jersey.spi.container.servlet.WebComponent.init(WebComponent.java:201) 
     at com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:307) 
     at com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:470) 
     at javax.servlet.GenericServlet.init(GenericServlet.java:212) 
     at org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:440) 
     at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:263) 
     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.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:449) 
     at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:455) 
     at com.google.tracing.TraceContext.runInContext(TraceContext.java:695) 
     at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:333) 
     at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:325) 
     at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:453) 
     at java.lang.Thread.run(Thread.java:679) 
    java.lang.NoClassDefFoundError: Could not initialize class com.sun.xml.bind.v2.runtime.reflect.opt.Injector 
     at com.sun.xml.bind.v2.runtime.reflect.opt.AccessorInjector.prepare(AccessorInjector.java:79) 
     at com.sun.xml.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.get(OptimizedAccessorFactory.java:165) 
     at com.sun.xml.bind.v2.runtime.reflect.Accessor$FieldReflection.optimize(Accessor.java:256) 
     at com.sun.xml.bind.v2.runtime.property.ArrayProperty.<init>(ArrayProperty.java:65) 
     at com.sun.xml.bind.v2.runtime.property.ArrayERProperty.<init>(ArrayERProperty.java:84) 
     at com.sun.xml.bind.v2.runtime.property.ArrayElementProperty.<init>(ArrayElementProperty.java:96) 
     at com.sun.xml.bind.v2.runtime.property.ArrayElementNodeProperty.<init>(ArrayElementNodeProperty.java:58) 
     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 
     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) 
     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 
     at java.lang.reflect.Constructor.newInstance(Constructor.java:33) 
     at com.sun.xml.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:124) 
     at com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:179) 
     at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:515) 
     at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:330) 
     at com.sun.xml.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:1140) 
     at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:154) 
     at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:121) 
     at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:202) 
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) 
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
     at java.lang.reflect.Method.invoke(Method.java:616) 
     at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:159) 
     at javax.xml.bind.ContextFinder.find(ContextFinder.java:311) 
     at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:392) 
     at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:357) 
     at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:264) 
     at com.sun.jersey.server.impl.wadl.WadlApplicationContextImpl.<init>(WadlApplicationContextImpl.java:66) 
     at com.sun.jersey.server.impl.wadl.WadlFactory.init(WadlFactory.java:94) 
     at com.sun.jersey.server.impl.application.WebApplicationImpl.initWadl(WebApplicationImpl.java:1207) 
     at com.sun.jersey.server.impl.application.WebApplicationImpl.processRootResources(WebApplicationImpl.java:1106) 
     at com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:912) 
     at com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:589) 
     at com.sun.jersey.spi.container.servlet.ServletContainer.initiate(ServletContainer.java:403) 
     at com.sun.jersey.spi.container.servlet.ServletContainer$InternalWebComponent.initiate(ServletContainer.java:252) 
     at com.sun.jersey.spi.container.servlet.WebComponent.load(WebComponent.java:550) 
     at com.sun.jersey.spi.container.servlet.WebComponent.init(WebComponent.java:201) 
     at com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:307) 
     at com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:470) 
     at javax.servlet.GenericServlet.init(GenericServlet.java:212) 
     at org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:440) 
     at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:263) 
     at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
     at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685) 
     at org.mortbay.jetty.servlet.Context.startContext(Context.java:140) 
     at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) 
     at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) 
     at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467) 
     at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
     at com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:449) 
     at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:455) 
     at com.google.tracing.TraceContext.runInContext(TraceContext.java:695) 
     at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:333) 
     at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:325) 
     at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:453) 
     at java.lang.Thread.run(Thread.java:679) 

    Uncaught exception from servlet 
    javax.servlet.UnavailableException: Initialization failed. 
     at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler(AppVersionHandlerMap.java:211) 
     at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java:171) 
     at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:123) 
     at com.google.apphosting.runtime.JavaRuntime$RequestRunnable.run(JavaRuntime.java:392) 
     at com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:449) 
     at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:455) 
     at com.google.tracing.TraceContext.runInContext(TraceContext.java:695) 
     at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:333) 
     at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:325) 
     at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:453) 
     at com.google.apphosting.runtime.ThreadGroupPool$PoolEntry.run(ThreadGroupPool.java:162) 
     at java.lang.Thread.run(Thread.java:679)

來源

2011-11-25 Elwhis

這是告訴你，Jetty是失敗的，因爲有些應用程序正在使用的東西靜態初始化期間發生異常。這導致後續類加載3210的失敗。

不幸的是，這些消息中沒有顯示問題的根本原因。

您需要檢查日誌文件以查找觸發這些問題的靜態初始化問題（可能含有堆棧跟蹤）。

來源

2011-11-25 23:33:09

可惜的是，這是所有在GAE日誌：/ – Elwhis

我發現有人發佈了similar problem，因爲我也有同樣的問題。

他的解決辦法，我引述如下：

我只是打了一下週圍，似乎這個問題是JAXB的IMPL （組com.sun.xml.bind）。版本2.1.12作品（是啊！），版本2.2.4（最新）上 App Engine的生產不起作用

來源

2012-01-18 17:57:54

非常感謝你離職後的工作後3天內解決我的問題。我目前正在使用聲明API。默認情況下，字正腔圓1.25不使用JAXB 2.1.12，所以我得到了同樣的錯誤......通過重寫我的pom.xml \t \t \t \t \t com.sun.xml.bind \t \t \t jaxb- IMPL \t \t \t 2.1.12 \t \t我得到它的工作！ –

我有類似的堆棧跟蹤，但做了一些研究之後，我意識到進樣器是通過jersey-json項目的Maven傳遞依賴項包含在我的項目中的jaxb-impl庫中。我排除了jaxb-impl庫，重建並重新部署了該問題。 JAXB由JDK6提供，因此您可能遇到同樣的問題。

<dependency> 
<groupId>com.sun.jersey</groupId> 
    <artifactId>jersey-json</artifactId> 
    <version>1.11</version> 
    <scope>runtime</scope> 
    <exclusions> 
    <exclusion> 
     <groupId>com.sun.xml.bind</groupId> 
     <artifactId>jaxb-impl</artifactId> 
    </exclusion> 
</exclusions> 
</dependency>

來源

2012-01-18 21:32:42

我得到了同樣的錯誤，它走了，當我在web.xml文件中禁用WADL（見的servlet類標籤下的init-PARAM節）。日誌暗示了這一點，在崩潰前您可以看到wadl參考。我做了這個改變並重新啓動，它工作。

<servlet> 
    <servlet-name>jerseywebapp</servlet-name> 
    <servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class> 
    <init-param> 
     <param-name>com.sun.jersey.config.feature.DisableWADL</param-name> 
     <param-value>true</param-value> 
    </init-param>

來源

2012-06-15 06:12:31 elmor

我不知道爲什麼，但這對我有效。男人我討厭不知道爲什麼有些作品，但謝謝！ :) – Siebe

Google App Engine 500錯誤

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