0

改札アプリケーションを使用していて、EbeanORMマッピングを使用しています。ebean.propertiesにすべてのクレデンシャルを設定しました。しかし、サーバーにデプロイしたときに「クラスcom.avaje.ebean.Ebeanを初期化できませんでした」というエラーメッセージが表示されます。次のようなエラーが発生します。

Last cause: Could not initialize class com.avaje.ebean.Ebean
WicketMessage: Can't instantiate page using constructor 'public com.zipgrocery.pages.HomePageNew(org.apache.wicket.request.mapper.parameter.PageParameters)' and argument ''. Might be it doesn't exist, may be it is not visible (public).

Stacktrace

Root cause:

java.lang.NoClassDefFoundError: Could not initialize class com.avaje.ebean.Ebean
     at com.zipgrocery.data.Merchant.getMerchantsByZone(Merchant.java:374)
     at com.zipgrocery.pages.HomePageNew.<init>(HomePageNew.java:77)
     at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
     at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:173)
     at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:77)
     at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:47)
     at org.apache.wicket.DefaultMapperContext.newPageInstance(DefaultMapperContext.java:103)
     at org.apache.wicket.request.handler.PageProvider.resolvePageInstance(PageProvider.java:264)
     at org.apache.wicket.request.handler.PageProvider.getPageInstance(PageProvider.java:165)
     at org.apache.wicket.request.handler.render.PageRenderer.getPage(PageRenderer.java:78)
     at org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:105)
     at org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:224)
     at org.apache.wicket.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:167)
     at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:784)
     at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
     at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:255)
     at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:212)
     at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:283)
     at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:188)
     at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:244)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
     at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
     at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:311)
     at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:776)
     at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:705)
     at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:898)
     at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
     at java.lang.Thread.run(Thread.java:619)

Complete stack:

org.apache.wicket.WicketRuntimeException: Can't instantiate page using constructor 'public com.zipgrocery.pages.HomePageNew(org.apache.wicket.request.mapper.parameter.PageParameters)' and argument ''. Might be it doesn't exist, may be it is not visible (public).
     at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:196)
     at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:77)
     at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:47)
     at org.apache.wicket.DefaultMapperContext.newPageInstance(DefaultMapperContext.java:103)
     at org.apache.wicket.request.handler.PageProvider.resolvePageInstance(PageProvider.java:264)
     at org.apache.wicket.request.handler.PageProvider.getPageInstance(PageProvider.java:165)
     at org.apache.wicket.request.handler.render.PageRenderer.getPage(PageRenderer.java:78)
     at org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:105)
     at org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:224)
     at org.apache.wicket.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:167)
     at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:784)
     at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
     at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:255)
     at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:212)
     at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:283)
     at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:188)

java.lang.reflect.InvocationTargetException
     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
     at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
     at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:173)
     at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:77)
     at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:47)
     at org.apache.wicket.DefaultMapperContext.newPageInstance(DefaultMapperContext.java:103)
     at org.apache.wicket.request.handler.PageProvider.resolvePageInstance(PageProvider.java:264)
     at org.apache.wicket.request.handler.PageProvider.getPageInstance(PageProvider.java:165)
     at org.apache.wicket.request.handler.render.PageRenderer.getPage(PageRenderer.java:78)
     at org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:105)
     at org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:224)
     at org.apache.wicket.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:167)
     at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:784)
     at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
     at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:255)
     at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:212)
     at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:283)
     at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:188)

しかし、ローカルホストにデプロイすると正常に動作します。私はこれに対する解決策を見つけようとしましたが、得られませんでした。だから私を助けて...

4

1 に答える 1

1

私はこの人「EbeanORM」に精通していませんが、エラートラックはかなり一般的であり、「EbeanORM」自体とは実際には何の関係もないようです。私の過去の経験に基づくと、それはクラスローダーの問題のようなものです。あなたはそれがローカルでうまく動いていると言いましたか？どこが壊れているの？「NoClassDefFoundError」などの問題が発生した場合は、使用されているクラスローダーを常に確認してください。また、壊れた環境に複数のバージョンのクラス/ jarがあるかどうか、およびサーバーにこのクラス/jarの組み込みバージョンがあるかどうかを確認することも価値があります。

于 2013-02-01T13:13:54.980 に答える