错误信息
com.google.appengine.tools.admin.AdminException: Unable to update app: Error posting to URL: https://appengine.google.com/api/datastore/cron/update?app_id=fatkuns&version=4&
500 Internal Server Error
Server Error (500)
A server error has occurred.
at com.google.appengine.tools.admin.AppAdminImpl.update(AppAdminImpl.java:62)
at com.google.appengine.eclipse.core.proxy.AppEngineBridgeImpl.deploy(AppEngineBridgeImpl.java:271)
at com.google.appengine.eclipse.core.deploy.DeployProjectJob.runInWorkspace(DeployProjectJob.java:145)
at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
Caused by: java.io.IOException: Error posting to URL: https://appengine.google.com/api/datastore/cron/update?app_id=fatkuns&version=4&
500 Internal Server Error
Server Error (500)
A server error has occurred.
at com.google.appengine.tools.admin.ServerConnection.send(ServerConnection.java:149)
at com.google.appengine.tools.admin.ServerConnection.post(ServerConnection.java:82)
at com.google.appengine.tools.admin.AppVersionUpload.send(AppVersionUpload.java:559)
at com.google.appengine.tools.admin.AppVersionUpload.updateCron(AppVersionUpload.java:260)
at com.google.appengine.tools.admin.AppVersionUpload.doUpload(AppVersionUpload.java:133)
at com.google.appengine.tools.admin.AppAdminImpl.update(AppAdminImpl.java:56)
… 4 more
原因：
cron.xml文件书写不正确
记得<timezone>Asia/Shanghai</timezone>这个是必须写的，不然无法上传，官方的例子居然有一个没写
<?xml version=”1.0″ encoding=”UTF-8″?>
<cronentries>
<cron>
<url>/cron</url>
<description>描述</description>
<schedule>every 2 minutes</schedule>
<timezone>Asia/Shanghai</timezone>
</cron>
</cronentries>
<?xml version=”1.0″ encoding=”UTF-8″?>
<cronentries>
<cron>
<url>/cron</url>
<description>描述</description>
<schedule>every 2 [...]