Dears i got the below exception while i am trying to run my first
application in Eclips, please help
WARNING: Use on a JRE prior to version 1.6 is deprecated
Initializing AppEngine server
[WARN] ********************************************************
Warning: Future versions of the Dev App Server will require Java 1.6
or later. Please upgrade your JRE.
********************************************************
Logging to JettyLogger(null) via
com.google.apphosting.utils.jetty.JettyLogger
Successfully processed C:\Documents and Settings\sherif\Desktop\MCS\MSc
\Cloud\Software\eclips\projects\SampleApp\war\WEB-INF/appengine-
web.xml
Successfully processed C:\Documents and Settings\sherif\Desktop\MCS\MSc
\Cloud\Software\eclips\projects\SampleApp\war\WEB-INF/web.xml
Exception in thread "main" java.lang.NoSuchMethodError:
java.util.Collections.newSetFromMap(Ljava/util/Map;)Ljava/util/Set;
at
com.google.appengine.tools.development.LocalEnvironment.<init>(LocalEnvironment.java:
63)
at com.google.appengine.tools.development.AbstractContainerService
$LocalInitializationEnvironment.<init>(AbstractContainerService.java:
495)
at
com.google.appengine.tools.development.AbstractContainerService.loadAppEngineWebXml(AbstractContainerService.java:
261)
at
com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:
147)
at
com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:
170)
at
com.google.appengine.tools.development.gwt.AppEngineLauncher.start(AppEngineLauncher.java:
119)
at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:500)
at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1055)
at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:804)
at com.google.gwt.dev.DevMode.main(DevMode.java:309)
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