HTTP Connection using GET request
We have a J2ME app which is accessing a server using an HTTP Connection. We were using a POST to send the data but kept getting an HTTP/1.1 100 Continue from the server. This is annoying since it's extra code to work around this issue (should be handled by the HTTP stack in the JVM).
We changed the POST to a GET. This works in the simulator but it doesn't seem to work on the real device (testing with a Motorola T720 and a Nokia). The HTTP request never seems to get to the server, although it leaves the phone just fine.
Any ideas ?
=Alan=
We have found the error of our ways. Here is the scenario and the problem we had:
1) Originally we had an HTTP POST request going to the server. After we openned connection to the URL, set the HTTP headers, openned the output stream and wrote data, closed the output stream and waited for data to come back on the connection.
-- Result: Have an HTTP/1.1 100 Continue sent back when the server is contacted. This is irritating as it's quite a bit more work to handle.
2) We changed the URL in the connection from a POST to a GET (url?data=urlencoded.string). We also changed the HTTP headers to reflect a GET. Since there wasn't any data to write, we openned an output stream, but didn't write any data, then closed the stream.
-- Result: Not even getting to the server - WHY ?
3) Then it hit us, get rid of the header information since we don't need it for a GET. Also get rid of even opening an output stream since it's really stupid to do that with a GET.
-- Result: Now it works like a charm !
Hope this helps any others whos brains might be stuck in idle like mine was :)
=Alan=
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a>
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2100000a, VERSION = 16, CONNECTIONID = 771975384, SEQUENCE = 0, TYPE = CONNECTION-REQUEST, CONNECTIONHANDLER = httpc, PR
OTOCOL = TCP, PARAMETERS = [www.webservicex.net:80], SIZE = 121>
<2010-05-24 17:49:57.437 IST>:[220]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, EVENT = CreatedReceivingQueue, DEVICEPIN:CONNECT
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IN = 2100000a, VERSION = 16, CONNECTIONID = 771975384, SEQUENCE = 0, TYPE = CONNECTION-REQUEST, CONNECTIONHANDLER = http
c, PROTOCOL = TCP, PARAMETERS = [www.webservicex.net:80], SIZE = 121>
<2010-05-24 17:49:57.437 IST>:[222]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, EVENT = EndExecuting, TAG = 371769629, DEVICEPIN
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unning JobRunner: DefaultJobRunner-3>
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<2010-05-24 17:49:57.453 IST>:[225]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = ReceivedFromDevice, DEVI
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*<2010-05-24 17:49:57.453 IST>:[225]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = ReceivedFromDevice, DEVI*
CEPIN = 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = GET /TranslateService.asmx/Translate?LanguageMode=English
TOFrench&Text=madam HTTP/1.1>
<2010-05-24 17:49:57.453 IST>:[225]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = ReceivedFromDevice, DEVI
CEPIN = 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = [Headers Section]: 2 headers>
<2010-05-24 17:49:57.453 IST>:[225]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = ReceivedFromDevice, DEVI
CEPIN = 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = x-rim-conttime:10000>
<2010-05-24 17:49:57.453 IST>:[225]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = ReceivedFromDevice, DEVI
CEPIN = 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = Host:www.webservicex.net>
<2010-05-24 17:49:57.453 IST>:[225]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = ReceivedFromDevice, DEVI
CEPIN = 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = [Parameters Section]: 2 parameters>
*<2010-05-24 17:49:57.453 IST>:[225]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = ReceivedFromDevice, DEVI*
CEPIN = 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = LanguageMode=EnglishTOFrench>
*<2010-05-24 17:49:57.453 IST>:[225]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = ReceivedFromDevice, DEVI*
CEPIN = 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = Text=madam>
<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN
= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION =>
<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN
= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = [Transmission Line Section]:>
*<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN*
*= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = GET /TranslateService.asmx/Translate?LanguageMode=EnglishTOFren*
ch&Text=madam HTTP/1.1>
<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN
= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = [Headers Section]: 6 headers>
<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN
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<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN
= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = Via:MDS_4.1.2.17>
<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN
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<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN
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<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN
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<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN
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<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN
= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = [Parameters Section]: 2 parameters>
*<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN*
*= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = LanguageMode=EnglishTOFrench>*
*<2010-05-24 17:49:57.453 IST>:[226]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToServer, DEVICEPIN*
*= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = Text=madam>*
<2010-05-24 17:49:57.515 IST>:[227]:<MDS-CS_MDS>:<DEBUG>:<LAYER = SCM, EVENT = Statistics save task started>
<2010-05-24 17:49:57.625 IST>:[228]:<MDS-CS_MDS>:<DEBUG>:<LAYER = SCM, EVENT = Statistics save task finished -- number o
f rows inserted:5>
<2010-05-24 17:50:18.453 IST>:[229]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToDevice, DEVICEPIN
= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION =>
<2010-05-24 17:50:18.453 IST>:[229]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToDevice, DEVICEPIN
= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = [Transmission Line Section]:>
*<2010-05-24 17:50:18.453 IST>:[229]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToDevice, DEVICEPIN*
*= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = HTTP/1.0 400 Bad Request>*
<2010-05-24 17:50:18.453 IST>:[229]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToDevice, DEVICEPIN
= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = [Headers Section]: 2 headers>
<2010-05-24 17:50:18.453 IST>:[229]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToDevice, DEVICEPIN
= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = Content-Type:text/plain>
<2010-05-24 17:50:18.453 IST>:[229]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToDevice, DEVICEPIN
= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = Content-Length:35>
<2010-05-24 17:50:18.453 IST>:[229]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HANDLER = HTTP, EVENT = SentToDevice, DEVICEPIN
= 2100000a, CONNECTIONID = 771975384, HTTPTRANSMISSION = [Parameters Section]: 0 parameters>
<2010-05-24 17:50:18.468 IST>:[230]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, EVENT = CreatedSendingQueue, DEVICEPIN = 2100000
a>
<2010-05-24 17:50:18.468 IST>:[231]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HTTP Thread: DefaultJobRunner-3 stopping>
<2010-05-24 17:50:18.468 IST>:[234]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, EVENT = Sending, TAG = 36110349, DEVICEPIN = 210
0000a, VERSION = 16, CONNECTIONID = 771975384, SEQUENCE = 0, TYPE = DATA, SIZE = 48>
<2010-05-24 17:50:18.468 IST>:[235]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HTTP Thread: DefaultJobRunner-3 stopped>
<2010-05-24 17:50:18.484 IST>:[236]:<MDS-CS_MDS>:<DEBUG>:<LAYER = SCM, EVENT = Finished JobRunner: DefaultJobRunner-3, a
vailable threads in DefaultJobPool = 10, time spent = 21047ms>
<2010-05-24 17:50:18.500 IST>:[239]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, EVENT = Sending, TAG = 36110350, DEVICEPIN = 210
0000a, VERSION = 16, CONNECTIONID = 771975384, SEQUENCE = 1, TYPE = DISCONNECT-ORDER, SIZE = 0>
<2010-05-24 17:50:18.500 IST>:[240]:<MDS-CS_MDS>:<DEBUG>:<LAYER = SCM, EVENT = Device connections: AVG latency (msecs)32>
<2010-05-24 17:50:18.500 IST>:[241]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HTTP Thread: ConnectionsInputStreamesReader0-Def
aultJobRunner-3 stopping>
<2010-05-24 17:50:18.500 IST>:[242]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, HTTP Thread: ConnectionsInputStreamesReader0-Def
aultJobRunner-3 stopped>
<2010-05-24 17:50:18.500 IST>:[243]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, EVENT = RemovedReceivingQueue, DEVICEPIN:CONNECT
IONID = 2100000a:771975384, ReceivingQueueSize = 0>
<2010-05-24 17:50:18.531 IST>:[244]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, EVENT = Notification, TAG = 36110349, STATE = DE
LIVERED>
<2010-05-24 17:50:18.562 IST>:[245]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, EVENT = Notification, TAG = 36110350, STATE = DE
LIVERED>
<2010-05-24 17:50:19.046 IST>:[246]:<MDS-CS_MDS>:<DEBUG>:<LAYER = IPPP, EVENT = RemovedSendingQueue, DEVICEPIN = 2100000
a>Hi, there:
A couple of things to try and check:
- Does your network connection goes through proxy server? If you are behind a proxy server, then you would need to set up proxy server in MDS by open the file <MDS simulator install>/config/rimpublic.property, go to the [HTTP Handler] section, and add the following line:
application.handler.http.proxyEnabled = true
application.handler.http.proxyHost=<your proxy server host name>
application.handler.http.proxyPort=<your proxy server port>
- Try BlackBerry MDS simulator that came with JDE 5.0. MDS 4.1.2 should still work with 5.0 device simulators, but it's worth a shot
Can you hit the web service from the browser in your Blackberry simulator? Feel free to directly contact me at [email protected] - if necessary we can also pull in BlackBerry/RIM resources to help diagnose this.
Thanks,
Joe Huang -
WLS 10.3 Does not respond to GET requests (HTTP/1.0)
Hi All,
I have 2 WLS servers running on separate physical hosts behind a cisco CSS load balancer. The keep-alive method the Cisco CSS uses is HTTP GET messages. This keep-alive method does not appear to work, because my WLS servers are not responding to the GET requests with HTTP 200 OKs (as would be expected). These GET messaged appear in the access logs, as follows, but from traces taken on the host, there are no HTTP 200 messages ever transmitted. I see no exceptions or errors related to this in the server or access logs.
WLS access log:
192.168.1.1 - - [14/Dec/2011:18:23:35 +0000] "HEAD /APPDIR/index.jsp HTTP/1.0" 200 0
192.168.1.1 - - [14/Dec/2011:18:23:45 +0000] "HEAD /APPDIR/index.jsp HTTP/1.0" 200 0
192.168.1.1 - - [14/Dec/2011:18:23:55 +0000] "HEAD /APPDIR/index.jsp HTTP/1.0" 200 0
Interestingly, If i use a http-ping tool to send HEAD messages, the server correctly responds with the 200. A major difference between the CSS and the ping-tool, is that the CSS is using HTTP/1.0 where the ping tool uses HTTP/1.1. The GET requests are formatted a bit differently too. Below is how the different GET messages are formatted. Is it possible that WLS 11g does not support HTTP/1.0? Is there any method of debugging that I can employ to troubleshoot this further? As mentioned I do not see any errors or exceptions in the server logs or access logs....
Many thanks, in advance.
HTTP-PING TOOL HEAD MESSAGE - weblogic responds to this message
HEAD /APPDIR/index.jsp HTTP/1.1
Host: myhost.domain.com:7005
Accept: */*
LOAD BALANCER HEAD MESSAGE -weblogic does not respond to this message
HEAD /APPDIR/index.jsp HTTP/1.0
Connection: Keep-Alive
User-Agent: Mozilla/4.06 [en] (WinNT; I)
Accept: image/gif, image/x-bitmap, image/jpeg, image/pjpeg, image/png, */*
Accept-Language: en
Accept-Charset: iso-8859-1,*,utf-8
Host: 192.168.1.66Other than failing the base address test, does the device seem to work in the test panels? One quick test would be to open the digital I/O panel, change some of the lines to output, toggle the logic levels, and see if the line states track the logic levels. Also, you can switch to the Counter I/O panel, change the mode to simple event counting, set the event source to the internal 100KHz clock, and start the counter. If the counter is working properly, you should see the counter value increase at a rate of 100000/second.
If the test panels seem to work OK, you may still be able to use the board, despite the resource test failing. I still can't explain why the test fails, though.
Joe -
ACE - limit of GET requests in the HTTP 1.1 pipelining
Hello. Is possible to limit the count of HTTP GET requests in the pipelining connection on the ACE?? For example when an attacker sends a lot of requests in the pipelining connection. Thank you.
You should not worry about that.
ACE has normalization to protect itself.
We also limit the amount of memory each connection can consume.
So one user will not be able to cause problem by using pipelining.
g. -
How to get Request Offering from given Service Offering using Service Manager SDK?
Recently, I am working on application where I have to fetch all Request Offering from given Service Offering.
I can retrieve all Request Offering using following method of SM SDK :
var requestOfferings = group.Extensions.Retrieve<RequestOffering>();// group is Management Group
But I am unable to get request Offering from given Service Offering as I am new to this platform. I have searched in web but can not find solution to this problem.
It would be great if someone guide for this problem or give me any suggestion related to this problem.
Thanks in advance.RequestOfferings are handled a little differently in the SDK, but fortunately, they're still backed by standard EnterpriseManagementObjects..it just takes a little work to get them.
There are a few ways you can go about getting a request offering's related service offerings. I'm going to show you the relationship route, but you could also use a type projection to achieve the same goal.
In your original post, you're simply retrieving _all_ request offerings..that's fine. If you wanted to retrieve a single request offering (as I do in my example) you need to find the request offering's identifier. This identifier is a pipe delimited string
of various values. The quickest way to find it, in my opinion, is to query the MT_System$RequestOffering table in the database, but you can also find it by looping through all the RequestOfferings returned by group.Extensions.Retrieve<RequestOffering>();
Anyway, for the following example to work, you only need your request offering's Identifier and your management server name. (Again, you could simply loop through all of your request offerings and retrieve the service offerings for all of them)
The comments inline with this example should guide you through the steps.
//Connect to the management group and prepare the class and relationship types that we'll need.
String strMySCSMServer = "your server";
EnterpriseManagementGroup emg = new EnterpriseManagementGroup(strMySCSMServer);
ManagementPackClass mpcRO = emg.EntityTypes.GetClass(new Guid("8FC1CD4A-B39E-2879-2BA8-B7036F9D8EE7")); //System.RequestOffering
ManagementPackRelationship relSORelatesToRO = emg.EntityTypes.GetRelationshipClass(new Guid("BE417A55-6622-0FC3-FCEA-90CD23E0FC23")); //System.ServiceOfferingRelatesToRequestOffering
//An example of an extension identifier looks like this:
//1|My.RO.MP|1.0.0.0|Offeringc921c4feujhoi8cdsjloiz352d7gf3k0|3|RequestOffering
String strRequestOfferingIdentifier = "your request offering identifier";
//Retrieve the request offering using an Extension Identifier.
ExtensionIdentifier ei = null;
ExtensionIdentifier.TryParse(strRequestOfferingIdentifier, out ei);
RequestOffering ro = emg.Extensions.Retrieve<RequestOffering>(ei);
//Using the request offering's Identifier, retrieve the enterprise management object that it represents
EnterpriseManagementObjectCriteria emocRO = new EnterpriseManagementObjectCriteria("ID = '" + ro.Identifier + "'", mpcRO);
IObjectReader<EnterpriseManagementObject> orROs = emg.EntityObjects.GetObjectReader<EnterpriseManagementObject>(emocRO, ObjectQueryOptions.Default);
//Since we queried for only a single Request Offering, the object reader should contain 0 or 1 elements.
EnterpriseManagementObject emoRO = null;
if (orROs.Count > 0)
emoRO = orROs.ElementAt(0);
else
Console.WriteLine("No Request Offering found");
//Now, using the relationship type "System.ServiceOfferingRelatesToRequestOffering", get all Service Offering's related to our request offering
IList<EnterpriseManagementRelationshipObject<EnterpriseManagementObject>> lstEMROs = emg.EntityObjects.GetRelationshipObjectsWhereTarget<EnterpriseManagementObject>(emoRO.Id, relSORelatesToRO, DerivedClassTraversalDepth.None, TraversalDepth.OneLevel, ObjectQueryOptions.Default);
//The GetRelationshipObjectsWhereTarget method returns a list of EnterpriseManagementObjectRelationships..These objects represent that relationship between two objects.
//Thus, these relationship objects have two properties of interest; TargetObject and SourceObject. In this case, service offerings are the source of this relationship type and
//so, you can access the service offering object itself by using the relationship object's SourceObject property (which is nothing more than an EnterpriseManagementObject)
foreach (EnterpriseManagementRelationshipObject<EnterpriseManagementObject> emro in lstEMROs)
//emro.SourceObject is your Service Offering object. You can use it for whatever you need from here on out. In this example, i'm just writing out the DisplayName
EnterpriseManagementObject emoServiceOffering = emro.SourceObject;
Console.WriteLine(emoServiceOffering[null, "DisplayName"].Value);
Give it a try, let me know if you have any questions :) -
I have tried to change my User id which is an email address I no longer want to use. Now I am constantly getting requests from icloud and Apple ID for my password and cant get into my icloud account.
To change the iCloud ID you have to go to Settings>iCloud, tap Delete Account, provide the password for the old ID when prompted to turn off Find My iPhone, then sign back in with the ID you wish to use. If you don't know the password for your old ID, or if it isn't accepted, go to https://appleid.apple.com, click Manage my Apple ID and sign in with your current iCloud ID. Click edit next to the primary email account, change it back to your old email address and save the change. Then edit the name of the account to change it back to your old email address. You can now use your current password to turn off Find My iPhone on your device, even though it prompts you for the password for your old account ID. Then save any photo stream photos that you wish to keep to your camera roll. When finished go to Settings>iCloud, tap Delete Account and choose Delete from My iDevice when prompted (your iCloud data will still be in iCloud). Next, go back to https://appleid.apple.com and change your primary email address and iCloud ID name back to the way it was. Now you can go to Settings>iCloud and sign in with your current iCloud ID and password.
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