GCM HTTP狀態500 - Servlet.init（）-Notification未送交─

我成功運行我的應用程序和註冊的設備我的服務器上，所以我得到「1裝置（S）的註冊」和「發送消息」按鈕。但是，當我在「發送消息」點擊按鈕，我得到以下錯誤：GCM HTTP狀態500 - Servlet.init（）-Notification未送交─

我使用Tomcat和Android示例項目所講述的位置： http://developer.android.com/google/gcm/server.html

HTTP Status 500 - Servlet.init() for servlet SendAllMessagesServlet threw exception 

    type Exception report 

    message Servlet.init() for servlet SendAllMessagesServlet threw exception 

    description The server encountered an internal error that prevented it from fulfilling this request. 

    exception 

    javax.servlet.ServletException: Servlet.init() for servlet SendAllMessagesServlet threw exception 
     org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) 
     org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) 
     org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) 
     org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) 
     org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023) 
     org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) 
     org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1852) 
     java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 
     java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 
     java.lang.Thread.run(Unknown Source) 
    root cause 

    java.lang.IllegalArgumentException: argument cannot be null 
     com.google.android.gcm.server.Sender.nonNull(Sender.java:553) 
     com.google.android.gcm.server.Sender.<init>(Sender.java:88) 
     com.google.android.gcm.demo.server.SendAllMessagesServlet.newSender(SendAllMessagesServlet.java:62) 
     com.google.android.gcm.demo.server.SendAllMessagesServlet.init(SendAllMessagesServlet.java:53) 
     org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) 
     org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) 
     org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) 
     org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) 
     org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023) 
     org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) 
     org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1852) 
     java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 
     java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 
     java.lang.Thread.run(Unknown Source) 
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.41 logs.

請可以有人幫忙請

來源

2013-07-04 anass

問題在於API密鑰。因此，我得到一個新的API密鑰，並切換與新的舊的，它的工作:)

來源

2013-07-05 10:53:10 anass

json-simple-1.1.jar應該複製到您的Web應用程序的WEB-INF/lib文件夾。這是解決方案:)

來源

2014-09-12 08:30:52 raja

GCM HTTP狀態500 - Servlet.init（）-Notification未送交─

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