[ Struts2 ] Upload APK file always failed

Other file types are no problem
APK is a problem

I ask how to limit it only upload APK file can not be found online unscientific ah
------ Solution -------------- ------------------------------
APK types are:
application / vnd.android.package-archive
can also try :
application / x-compressed
------ For reference only ----------------------------- ----------
emergency line

------ For reference only ---------------------------------------
not upload limit files. look at your configuration. Error message.
------ For reference only -------------------------------------- -

just do not know what type of APK restrictions can not be found online
------ For reference only ----------- ----------------------------


APK file upload successful application / xxxxstream used this
Then there is also the size of the problem did not notice there is some Oolong