Hi,
it took me some time to figure out a reproducible deployment error (500
Internal Server Error) when using "mvn appengine:update" on a java project.
It all boiled down to naming a maven property "appengine.version" in the
pom. You can reproduce the error quite easily with the guestbook archetype
(com.google.appengine.archetypes:guestbook-archetype) by adding a single
property to the properties section:
<properties>
<appengine.app.version>1</appengine.app.version>
* <appengine.version>1.7.7</appengine.version>*
<appengine.target.version>1.7.7</appengine.target.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
Whenever invoking "mvn appengine:update", it will produce:
Beginning server interaction for XX...
0% Created staging directory at:
'/var/folders/36/sj4p2r8d5zsdcsglldm9g5m00000gp/T/appcfg1358983840896890500.tmp'
5% Scanning for jsp files.
20% Scanning files on local disk.
25% Initiating update.
com.google.appengine.tools.admin.HttpIoException: Error posting to URL:
https://appengine.google.com/api/appversion/create?app_id=XX&version=1.7.7&;
500 Internal Server Error
Server Error (500)
A server error has occurred.
Unable to update app: Error posting to URL:
https://appengine.google.com/api/appversion/create?app_id=XX&version=1.7.7&;
500 Internal Server Error
Server Error (500)
A server error has occurred.
Please see the logs
[/var/folders/36/sj4p2r8d5zsdcsglldm9g5m00000gp/T/appcfg6717568630690691095.log]
for further information.
It's no problem to rename the property on my side, but the 500 error seems
like a nasty side effect.
Stefan
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