Hello I update to Java Sdk 2.3 but the result is the same,
when I go to unsubscribe a User I receive this message:
16:30:21,128 DEBUG headers:252 - << HTTP/1.1 404 Not Found
16:30:21,129 DEBUG headers:255 - << Access-Control-Allow-Headers: Content-Type,Accept,apiKey,signature,timeStamp,sessionId,adminKey,fbAccessToken,dataACL,geoTag,selectKeys,SDKName,deviceId,event,version,userList,deletePermanent,loggedInUser,dbCredentials,metaQuery,emailAuth,orderByDescending,orderByAscending,jsonObject,offset,max,dataEncoding
16:30:21,129 DEBUG headers:255 - << Access-Control-Allow-Methods: GET, POST,HEAD, OPTIONS,PUT, DELETE
16:30:21,130 DEBUG headers:255 - << Access-Control-Allow-Origin: *
16:30:21,130 DEBUG headers:255 - << Access-Control-Max-Age: 10
16:30:21,131 DEBUG headers:255 - << app42Fault: 404
16:30:21,131 DEBUG headers:255 - << Cache-Control: no-cache
16:30:21,132 DEBUG headers:255 - << Content-Type: application/json
16:30:21,132 DEBUG headers:255 - << Date: Tue, 08 Jul 2014 14:30:20 GMT
16:30:21,133 DEBUG headers:255 - << message: {"app42Fault":{"httpErrorCode":404,"appErrorCode":1705,"message":"NOT FOUND","details":"User by the name xxx not subscribed for the channel yyyy"}}
16:30:21,133 DEBUG headers:255 - << Server: Apache-Coyote/1.1
16:30:21,134 DEBUG headers:255 - << transfer-encoding: chunked
16:30:21,134 DEBUG headers:255 - << Connection: keep-alive