Question

从昨天开始尝试上传我的应用程序的新版本（仅更改了客户端代码），给我以下异常（app id为“riparautonline-hrd”）：

Uncaught exception from servlet
java.lang.NoClassDefFoundError: Could not initialize class com.google.common.cache.CacheBuilder
    at com.google.common.eventbus.EventBus.<init>(EventBus.java:158)
    at com.riparauto.server.guice.RestGuiceConfig.<init>(RestGuiceConfig.java:61)
    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:532)
    at java.lang.Class.newInstance0(Class.java:372)
    at java.lang.Class.newInstance(Class.java:325)
    at org.mortbay.jetty.webapp.WebXmlConfiguration.newListenerInstance(WebXmlConfiguration.java:650)
    at org.mortbay.jetty.webapp.WebXmlConfiguration.initListener(WebXmlConfiguration.java:631)
    at org.mortbay.jetty.webapp.WebXmlConfiguration.initWebXmlElement(WebXmlConfiguration.java:368)
    at org.mortbay.jetty.webapp.WebXmlConfiguration.initialize(WebXmlConfiguration.java:289)
    at org.mortbay.jetty.webapp.WebXmlConfiguration.configure(WebXmlConfiguration.java:222)
    at org.mortbay.jetty.webapp.WebXmlConfiguration.configureWebApp(WebXmlConfiguration.java:180)
    at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1247)
    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:219)
    at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java:194)
    at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:134)
    at com.google.apphosting.runtime.JavaRuntime$RequestRunnable.run(JavaRuntime.java:447)
    at com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:452)
    at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:459)
    at com.google.tracing.TraceContext.runInContext(TraceContext.java:701)
    at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:336)
    at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:328)
    at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:456)
    at com.google.apphosting.runtime.ThreadGroupPool$PoolEntry.run(ThreadGroupPool.java:251)
    at java.lang.Thread.run(Thread.java:679)

有人有同样的问题吗？

Answer 1

尝试清除所有已编译的类，然后重新编译。我在改变AE sdk版本时已经看到了这种情况。我不得不删除war / WEB-INF / classes。我删除了那些和所有编译的东西，所以也许是别的东西。我怀疑这是一个老班。

Answer 2

确保jsr305.jar包含在类路径中

部署新版本（com.google.common.cache.CacheBuilder）

2 个答案: