[英]java.lang.NoClassDefFoundError: com/google/gwt/core/client/GWTBridge
[英]GWT java.lang.NoClassDefFoundError: com/google/gwt/util/tools/Utility
當我將系統部署到 Tomcat 時,它顯示以下錯誤信息:
org.apache.catalina.core.ApplicationContext log
SEVERE: Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract com.google.gwt.user.client.rpc.XsrfToken com.google.gwt.user.client.rpc.XsrfTokenService.getNewXsrfToken()' threw an unexpected exception: java.lang.NoClassDefFoundError: com/google/gwt/util/tools/Utility
at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:385)
at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:588)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248)
at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:306)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:541)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:383)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:284)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:322)
at org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:1648)
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)
Caused by: java.lang.NoClassDefFoundError: com/google/gwt/util/tools/Utility
at com.google.gwt.user.server.rpc.XsrfTokenServiceServlet.generateTokenValue(XsrfTokenServiceServlet.java:198)
at com.google.gwt.user.server.rpc.XsrfTokenServiceServlet.getNewXsrfToken(XsrfTokenServiceServlet.java:163)
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 com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:569)
... 20 more
這是什么問題? 此應用程序在 eclipse 中運行良好。 我的谷歌 SDK 版本是 2.5。
您確定包含 com.google.gwt.util.tools.Utility 的 jar 位於項目的 WEB-INF/lib 或 tomcat/lib 文件夾中嗎? 看起來 tomcat 無法找到包含該類的 jar。
com/google/gwt/util/tools/Utility 類位於 gwt-dev.jar 中。 但是不需要在WEB-INF/lib中添加gwt-dev.jar,因為GWT-DEV.jar只用於開發模式。 您不得在服務器端代碼上使用此類或依賴類。
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