@maximilian Thanks for the clarification. Flagged the topic as solved.
Android 8.1 with iCloud, "No CalDAV/CardDAV service found"
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Hello,
I am getting the error “No CalDAV/CardDAV service found” when trying to add an iCloud account. URL, name, and pw are checked. It worked on Android 6, but on Android 8 not. It seems apple blocks this request with new header/http/device information.This line
2018-11-23 17:26:31 320 [ui.setup.DavResourceFinder] carddav service discovery failedis different compared to post in
https://forums.bitfire.at/topic/1302/icloud-login-url/2
where it is2017-01-11 10:24:15 4 [ui.setup.DavResourceFinder] Found carddav service at https://contacts.icloud.com:443 2017-01-11 10:24:15 4 [ui.setup.DavResourceFinder] Trying to determine principal from initial context path=https://contacts.icloud.com/.well-known/carddav--- BEGIN DEBUG INFO --- LOGS: 2018-11-23 17:26:30 320 [ui.setup.DavResourceFinder] Finding initial carddav service configuration 2018-11-23 17:26:30 320 [ui.setup.DavResourceFinder] Checking user-given URL: https://icloud.com/ 2018-11-23 17:26:30 320 [HttpClient] --> PROPFIND https://icloud.com/ 2018-11-23 17:26:30 320 [HttpClient] Content-Type: application/xml; charset=utf-8 2018-11-23 17:26:30 320 [HttpClient] Content-Length: 290 2018-11-23 17:26:30 320 [HttpClient] Depth: 0 2018-11-23 17:26:30 320 [HttpClient] 2018-11-23 17:26:30 320 [HttpClient] <?xml version='1.0' encoding='UTF-8' ?><propfind xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav"><prop><resourcetype /><displayname /><CARD:addressbook-description /><CARD:addressbook-home-set /><current-user-principal /></prop></propfind> 2018-11-23 17:26:30 320 [HttpClient] --> END PROPFIND (290-byte body) 2018-11-23 17:26:30 320 [HttpClient] <-- 301 Moved Permanently https://icloud.com/ (173ms) 2018-11-23 17:26:30 320 [HttpClient] Server: ATS/7.1.4 2018-11-23 17:26:30 320 [HttpClient] Date: Fri, 23 Nov 2018 16:26:30 GMT 2018-11-23 17:26:30 320 [HttpClient] Content-Length: 17 2018-11-23 17:26:30 320 [HttpClient] Cache-Control: no-cache 2018-11-23 17:26:30 320 [HttpClient] Pragma: no-cache 2018-11-23 17:26:30 320 [HttpClient] Location: https://www.icloud.com/ 2018-11-23 17:26:30 320 [HttpClient] via: webedge:am02p00ic-ztde040709:5401:18RC30:Amsterdam, https/1.1 defra3-edge-bx-043.ts.apple.com (ApacheTrafficServer/7.1.4) 2018-11-23 17:26:30 320 [HttpClient] X-Apple-Request-UUID: 98f7c632-feea-4b22-91f2-d641ea39e221 2018-11-23 17:26:30 320 [HttpClient] access-control-expose-headers: X-Apple-Request-UUID 2018-11-23 17:26:30 320 [HttpClient] access-control-expose-headers: Via 2018-11-23 17:26:30 320 [HttpClient] Age: 0 2018-11-23 17:26:30 320 [HttpClient] Connection: keep-alive 2018-11-23 17:26:30 320 [HttpClient] CDNUUID: 21ca9e3c-e5aa-452c-acb5-ba54380fe74c-1180670922 2018-11-23 17:26:30 320 [HttpClient] X-Cache: skipped 2018-11-23 17:26:30 320 [HttpClient] 2018-11-23 17:26:30 320 [HttpClient] Moved Permanently 2018-11-23 17:26:30 320 [HttpClient] <-- END HTTP (17-byte body) 2018-11-23 17:26:30 320 [DavResource] Redirected, new location = https://www.icloud.com/ 2018-11-23 17:26:30 320 [HttpClient] --> PROPFIND https://www.icloud.com/ 2018-11-23 17:26:30 320 [HttpClient] Content-Type: application/xml; charset=utf-8 2018-11-23 17:26:30 320 [HttpClient] Content-Length: 290 2018-11-23 17:26:30 320 [HttpClient] Depth: 0 2018-11-23 17:26:30 320 [HttpClient] 2018-11-23 17:26:30 320 [HttpClient] <?xml version='1.0' encoding='UTF-8' ?><propfind xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav"><prop><resourcetype /><displayname /><CARD:addressbook-description /><CARD:addressbook-home-set /><current-user-principal /></prop></propfind> 2018-11-23 17:26:30 320 [HttpClient] --> END PROPFIND (290-byte body) 2018-11-23 17:26:30 320 [HttpClient] <-- 501 Not Implemented https://www.icloud.com/ (145ms) 2018-11-23 17:26:30 320 [HttpClient] Server: AkamaiGHost 2018-11-23 17:26:30 320 [HttpClient] Mime-Version: 1.0 2018-11-23 17:26:30 320 [HttpClient] Content-Type: text/html 2018-11-23 17:26:30 320 [HttpClient] Content-Length: 244 2018-11-23 17:26:30 320 [HttpClient] Expires: Fri, 23 Nov 2018 16:26:30 GMT 2018-11-23 17:26:30 320 [HttpClient] Date: Fri, 23 Nov 2018 16:26:30 GMT 2018-11-23 17:26:30 320 [HttpClient] Connection: close 2018-11-23 17:26:30 320 [HttpClient] 2018-11-23 17:26:30 320 [HttpClient] <HTML><HEAD> <TITLE>Unsupported Request</TITLE> </HEAD><BODY> <H1>Unsupported Request</H1> PROPFIND to http://www.icloud.com/ not supported.<P> Reference #8.4016068.1542990390.1224ba3c </BODY></HTML> 2018-11-23 17:26:30 320 [HttpClient] <-- END HTTP (244-byte body) 2018-11-23 17:26:30 320 [ui.setup.DavResourceFinder] PROPFIND/OPTIONS on user-given URL failed EXCEPTION at.bitfire.dav4android.exception.HttpException: HTTP 501 Not Implemented at at.bitfire.dav4android.DavResource.checkStatus(DavResource.kt:362) at at.bitfire.dav4android.DavResource.checkStatus(DavResource.kt:338) at at.bitfire.dav4android.DavResource.processMultiStatus(DavResource.kt:430) at at.bitfire.dav4android.DavResource.propfind(DavResource.kt:325) at at.bitfire.davdroid.ui.setup.DavResourceFinder.checkUserGivenURL(DavResourceFinder.kt:190) at at.bitfire.davdroid.ui.setup.DavResourceFinder.findInitialConfiguration(DavResourceFinder.kt:125) at at.bitfire.davdroid.ui.setup.DavResourceFinder.findInitialConfiguration(DavResourceFinder.kt:82) at at.bitfire.davdroid.ui.setup.DetectConfigurationFragment$ServerConfigurationLoader.loadInBackground(DetectConfigurationFragment.kt:136) at at.bitfire.davdroid.ui.setup.DetectConfigurationFragment$ServerConfigurationLoader.loadInBackground(DetectConfigurationFragment.kt:120) at android.support.v4.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:307) at android.support.v4.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:60) at android.support.v4.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:48) at android.support.v4.content.ModernAsyncTask$2.call(ModernAsyncTask.java:141) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) at java.lang.Thread.run(Thread.java:764) 2018-11-23 17:26:30 320 [HttpClient] --> PROPFIND https://icloud.com/.well-known/carddav 2018-11-23 17:26:30 320 [HttpClient] Content-Type: application/xml; charset=utf-8 2018-11-23 17:26:30 320 [HttpClient] Content-Length: 198 2018-11-23 17:26:30 320 [HttpClient] Depth: 0 2018-11-23 17:26:30 320 [HttpClient] 2018-11-23 17:26:30 320 [HttpClient] <?xml version='1.0' encoding='UTF-8' ?><propfind xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav"><prop><current-user-principal /></prop></propfind> 2018-11-23 17:26:30 320 [HttpClient] --> END PROPFIND (198-byte body) 2018-11-23 17:26:30 320 [HttpClient] <-- 301 Moved Permanently https://icloud.com/.well-known/carddav (96ms) 2018-11-23 17:26:30 320 [HttpClient] Server: ATS/7.1.4 2018-11-23 17:26:30 320 [HttpClient] Date: Fri, 23 Nov 2018 16:26:30 GMT 2018-11-23 17:26:30 320 [HttpClient] Content-Length: 17 2018-11-23 17:26:30 320 [HttpClient] Cache-Control: no-cache 2018-11-23 17:26:30 320 [HttpClient] Pragma: no-cache 2018-11-23 17:26:30 320 [HttpClient] Location: https://www.icloud.com/.well-known/carddav 2018-11-23 17:26:30 320 [HttpClient] via: webedge:am02p00ic-ztde040705:5401:18RC30:Amsterdam, https/1.1 defra3-edge-bx-043.ts.apple.com (ApacheTrafficServer/7.1.4) 2018-11-23 17:26:30 320 [HttpClient] X-Apple-Request-UUID: 9c14388a-a1ba-4690-b944-c0ea042e201a 2018-11-23 17:26:30 320 [HttpClient] access-control-expose-headers: X-Apple-Request-UUID 2018-11-23 17:26:30 320 [HttpClient] access-control-expose-headers: Via 2018-11-23 17:26:30 320 [HttpClient] Age: 0 2018-11-23 17:26:30 320 [HttpClient] Connection: keep-alive 2018-11-23 17:26:30 320 [HttpClient] CDNUUID: 21ca9e3c-e5aa-452c-acb5-ba54380fe74c-1180671232 2018-11-23 17:26:30 320 [HttpClient] X-Cache: skipped 2018-11-23 17:26:30 320 [HttpClient] 2018-11-23 17:26:30 320 [HttpClient] Moved Permanently 2018-11-23 17:26:30 320 [HttpClient] <-- END HTTP (17-byte body) 2018-11-23 17:26:30 320 [DavResource] Redirected, new location = https://www.icloud.com/.well-known/carddav 2018-11-23 17:26:30 320 [HttpClient] --> PROPFIND https://www.icloud.com/.well-known/carddav 2018-11-23 17:26:30 320 [HttpClient] Content-Type: application/xml; charset=utf-8 2018-11-23 17:26:30 320 [HttpClient] Content-Length: 198 2018-11-23 17:26:30 320 [HttpClient] Depth: 0 2018-11-23 17:26:30 320 [HttpClient] 2018-11-23 17:26:30 320 [HttpClient] <?xml version='1.0' encoding='UTF-8' ?><propfind xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav"><prop><current-user-principal /></prop></propfind> 2018-11-23 17:26:30 320 [HttpClient] --> END PROPFIND (198-byte body) 2018-11-23 17:26:31 320 [HttpClient] <-- 501 Not Implemented https://www.icloud.com/.well-known/carddav (125ms) 2018-11-23 17:26:31 320 [HttpClient] Server: AkamaiGHost 2018-11-23 17:26:31 320 [HttpClient] Mime-Version: 1.0 2018-11-23 17:26:31 320 [HttpClient] Content-Type: text/html 2018-11-23 17:26:31 320 [HttpClient] Content-Length: 275 2018-11-23 17:26:31 320 [HttpClient] Expires: Fri, 23 Nov 2018 16:26:31 GMT 2018-11-23 17:26:31 320 [HttpClient] Date: Fri, 23 Nov 2018 16:26:31 GMT 2018-11-23 17:26:31 320 [HttpClient] Connection: close 2018-11-23 17:26:31 320 [HttpClient] 2018-11-23 17:26:31 320 [HttpClient] <HTML><HEAD> <TITLE>Unsupported Request</TITLE> </HEAD><BODY> <H1>Unsupported Request</H1> PROPFIND to http://www.icloud.com/.well-known/carddav not supported.<P> Reference #8.4016068.1542990391.1224bb6a </BODY></HTML> 2018-11-23 17:26:31 320 [HttpClient] <-- END HTTP (275-byte body) 2018-11-23 17:26:31 320 [ui.setup.DavResourceFinder] Well-known URL detection failed EXCEPTION at.bitfire.dav4android.exception.HttpException: HTTP 501 Not Implemented at at.bitfire.dav4android.DavResource.checkStatus(DavResource.kt:362) at at.bitfire.dav4android.DavResource.checkStatus(DavResource.kt:338) at at.bitfire.dav4android.DavResource.processMultiStatus(DavResource.kt:430) at at.bitfire.dav4android.DavResource.propfind(DavResource.kt:325) at at.bitfire.davdroid.ui.setup.DavResourceFinder.getCurrentUserPrincipal(DavResourceFinder.kt:395) at at.bitfire.davdroid.ui.setup.DavResourceFinder.findInitialConfiguration(DavResourceFinder.kt:129) at at.bitfire.davdroid.ui.setup.DavResourceFinder.findInitialConfiguration(DavResourceFinder.kt:82) at at.bitfire.davdroid.ui.setup.DetectConfigurationFragment$ServerConfigurationLoader.loadInBackground(DetectConfigurationFragment.kt:136) at at.bitfire.davdroid.ui.setup.DetectConfigurationFragment$ServerConfigurationLoader.loadInBackground(DetectConfigurationFragment.kt:120) at android.support.v4.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:307) at android.support.v4.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:60) at android.support.v4.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:48) at android.support.v4.content.ModernAsyncTask$2.call(ModernAsyncTask.java:141) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) at java.lang.Thread.run(Thread.java:764) 2018-11-23 17:26:31 320 [ui.setup.DavResourceFinder] No principal found at user-given URL, trying to discover 2018-11-23 17:26:31 320 [ui.setup.DavResourceFinder] Looking up SRV records for _carddavs._tcp.icloud.com 2018-11-23 17:26:31 320 [ui.setup.DavResourceFinder] carddav service discovery failed EXCEPTION java.lang.ArrayIndexOutOfBoundsException: length=0; index=0 at org.xbill.DNS.ExtendedResolver$Resolution.start(ExtendedResolver.java:102) at org.xbill.DNS.ExtendedResolver.send(ExtendedResolver.java:358) at org.xbill.DNS.Lookup.lookup(Lookup.java:477) at org.xbill.DNS.Lookup.resolve(Lookup.java:529) at org.xbill.DNS.Lookup.run(Lookup.java:543) at at.bitfire.davdroid.ui.setup.DavResourceFinder.discoverPrincipalUrl(DavResourceFinder.kt:341) at at.bitfire.davdroid.ui.setup.DavResourceFinder.findInitialConfiguration(DavResourceFinder.kt:148) at at.bitfire.davdroid.ui.setup.DavResourceFinder.findInitialConfiguration(DavResourceFinder.kt:82) at at.bitfire.davdroid.ui.setup.DetectConfigurationFragment$ServerConfigurationLoader.loadInBackground(DetectConfigurationFragment.kt:136) at at.bitfire.davdroid.ui.setup.DetectConfigurationFragment$ServerConfigurationLoader.loadInBackground(DetectConfigurationFragment.kt:120) at android.support.v4.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:307) at android.support.v4.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:60) at android.support.v4.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:48) at android.support.v4.content.ModernAsyncTask$2.call(ModernAsyncTask.java:141) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) at java.lang.Thread.run(Thread.java:764) 2018-11-23 17:26:31 320 [ui.setup.DavResourceFinder] Finding initial caldav service configuration 2018-11-23 17:26:31 320 [ui.setup.DavResourceFinder] Checking user-given URL: https://icloud.com/ 2018-11-23 17:26:31 320 [HttpClient] --> PROPFIND https://icloud.com/ 2018-11-23 17:26:31 320 [HttpClient] Content-Type: application/xml; charset=utf-8 2018-11-23 17:26:31 320 [HttpClient] Content-Length: 435 2018-11-23 17:26:31 320 [HttpClient] Depth: 0 2018-11-23 17:26:31 320 [HttpClient] 2018-11-23 17:26:31 320 [HttpClient] <?xml version='1.0' encoding='UTF-8' ?><propfind xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav"><prop><resourcetype /><displayname /><n0:calendar-color xmlns:n0="http://apple.com/ns/ical/" /><CAL:calendar-description /><CAL:calendar-timezone /><current-user-privilege-set /><CAL:supported-calendar-component-set /><CAL:calendar-home-set /><current-user-principal /></prop></propfind> 2018-11-23 17:26:31 320 [HttpClient] --> END PROPFIND (435-byte body) 2018-11-23 17:26:31 320 [HttpClient] <-- 301 Moved Permanently https://icloud.com/ (89ms) 2018-11-23 17:26:31 320 [HttpClient] Server: ATS/7.1.4 2018-11-23 17:26:31 320 [HttpClient] Date: Fri, 23 Nov 2018 16:26:31 GMT 2018-11-23 17:26:31 320 [HttpClient] Content-Length: 17 2018-11-23 17:26:31 320 [HttpClient] Cache-Control: no-cache 2018-11-23 17:26:31 320 [HttpClient] Pragma: no-cache 2018-11-23 17:26:31 320 [HttpClient] Location: https://www.icloud.com/ 2018-11-23 17:26:31 320 [HttpClient] via: webedge:am02p00ic-ztde040623:5401:18RC30:Amsterdam, https/1.1 defra3-edge-bx-043.ts.apple.com (ApacheTrafficServer/7.1.4) 2018-11-23 17:26:31 320 [HttpClient] X-Apple-Request-UUID: 5a7dcf47-18f3-4165-9b5e-41b3cb47293c 2018-11-23 17:26:31 320 [HttpClient] access-control-expose-headers: X-Apple-Request-UUID 2018-11-23 17:26:31 320 [HttpClient] access-control-expose-headers: Via 2018-11-23 17:26:31 320 [HttpClient] Age: 0 2018-11-23 17:26:31 320 [HttpClient] Connection: keep-alive 2018-11-23 17:26:31 320 [HttpClient] CDNUUID: 21ca9e3c-e5aa-452c-acb5-ba54380fe74c-1180671451 2018-11-23 17:26:31 320 [HttpClient] X-Cache: skipped 2018-11-23 17:26:31 320 [HttpClient] 2018-11-23 17:26:31 320 [HttpClient] Moved Permanently 2018-11-23 17:26:31 320 [HttpClient] <-- END HTTP (17-byte body) 2018-11-23 17:26:31 320 [DavResource] Redirected, new location = https://www.icloud.com/ 2018-11-23 17:26:31 320 [HttpClient] --> PROPFIND https://www.icloud.com/ 2018-11-23 17:26:31 320 [HttpClient] Content-Type: application/xml; charset=utf-8 2018-11-23 17:26:31 320 [HttpClient] Content-Length: 435 2018-11-23 17:26:31 320 [HttpClient] Depth: 0 2018-11-23 17:26:31 320 [HttpClient] 2018-11-23 17:26:31 320 [HttpClient] <?xml version='1.0' encoding='UTF-8' ?><propfind xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav"><prop><resourcetype /><displayname /><n0:calendar-color xmlns:n0="http://apple.com/ns/ical/" /><CAL:calendar-description /><CAL:calendar-timezone /><current-user-privilege-set /><CAL:supported-calendar-component-set /><CAL:calendar-home-set /><current-user-principal /></prop></propfind> 2018-11-23 17:26:31 320 [HttpClient] --> END PROPFIND (435-byte body) 2018-11-23 17:26:31 320 [HttpClient] <-- 501 Not Implemented https://www.icloud.com/ (127ms) 2018-11-23 17:26:31 320 [HttpClient] Server: AkamaiGHost 2018-11-23 17:26:31 320 [HttpClient] Mime-Version: 1.0 2018-11-23 17:26:31 320 [HttpClient] Content-Type: text/html 2018-11-23 17:26:31 320 [HttpClient] Content-Length: 244 2018-11-23 17:26:31 320 [HttpClient] Expires: Fri, 23 Nov 2018 16:26:31 GMT 2018-11-23 17:26:31 320 [HttpClient] Date: Fri, 23 Nov 2018 16:26:31 GMT 2018-11-23 17:26:31 320 [HttpClient] Connection: close 2018-11-23 17:26:31 320 [HttpClient] 2018-11-23 17:26:31 320 [HttpClient] <HTML><HEAD> <TITLE>Unsupported Request</TITLE> </HEAD><BODY> <H1>Unsupported Request</H1> PROPFIND to http://www.icloud.com/ not supported.<P> Reference #8.4016068.1542990391.1224bc70 </BODY></HTML> 2018-11-23 17:26:31 320 [HttpClient] <-- END HTTP (244-byte body) 2018-11-23 17:26:31 320 [ui.setup.DavResourceFinder] PROPFIND/OPTIONS on user-given URL failed EXCEPTION at.bitfire.dav4android.exception.HttpException: HTTP 501 Not Implemented at at.bitfire.dav4android.DavResource.checkStatus(DavResource.kt:362) at at.bitfire.dav4android.DavResource.checkStatus(DavResource.kt:338) at at.bitfire.dav4android.DavResource.processMultiStatus(DavResource.kt:430) at at.bitfire.dav4android.DavResource.propfind(DavResource.kt:325) at at.bitfire.davdroid.ui.setup.DavResourceFinder.checkUserGivenURL(DavResourceFinder.kt:199) at at.bitfire.davdroid.ui.setup.DavResourceFinder.findInitialConfiguration(DavResourceFinder.kt:125) at at.bitfire.davdroid.ui.setup.DavResourceFinder.findInitialConfiguration(DavResourceFinder.kt:89) at at.bitfire.davdroid.ui.setup.DetectConfigurationFragment$ServerConfigurationLoader.loadInBackground(DetectConfigurationFragment.kt:136) at at.bitfire.davdroid.ui.setup.DetectConfigurationFragment$ServerConfigurationLoader.loadInBackground(DetectConfigurationFragment.kt:120) at android.support.v4.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:307) at android.support.v4.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:60) at android.support.v4.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:48) at android.support.v4.content.ModernAsyncTask$2.call(ModernAsyncTask.java:141) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) at java.lang.Thread.run(Thread.java:764) 2018-11-23 17:26:31 320 [HttpClient] --> PROPFIND https://icloud.com/.well-known/caldav 2018-11-23 17:26:31 320 [HttpClient] Content-Type: application/xml; charset=utf-8 2018-11-23 17:26:31 320 [HttpClient] Content-Length: 198 2018-11-23 17:26:31 320 [HttpClient] Depth: 0 2018-11-23 17:26:31 320 [HttpClient] 2018-11-23 17:26:31 320 [HttpClient] <?xml version='1.0' encoding='UTF-8' ?><propfind xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav"><prop><current-user-principal /></prop></propfind> 2018-11-23 17:26:31 320 [HttpClient] --> END PROPFIND (198-byte body) 2018-11-23 17:26:31 320 [HttpClient] <-- 301 Moved Permanently https://icloud.com/.well-known/caldav (83ms) 2018-11-23 17:26:31 320 [HttpClient] Server: ATS/7.1.4 2018-11-23 17:26:31 320 [HttpClient] Date: Fri, 23 Nov 2018 16:26:31 GMT 2018-11-23 17:26:31 320 [HttpClient] Content-Length: 17 2018-11-23 17:26:31 320 [HttpClient] Cache-Control: no-cache 2018-11-23 17:26:31 320 [HttpClient] Pragma: no-cache 2018-11-23 17:26:31 320 [HttpClient] Location: https://www.icloud.com/.well-known/caldav 2018-11-23 17:26:31 320 [HttpClient] via: webedge:am02p00ic-ztde040621:5401:18RC30:Amsterdam, https/1.1 defra3-edge-bx-043.ts.apple.com (ApacheTrafficServer/7.1.4) 2018-11-23 17:26:31 320 [HttpClient] X-Apple-Request-UUID: d1fcdfe9-10e4-4a42-b76d-b5c303962ac8 2018-11-23 17:26:31 320 [HttpClient] access-control-expose-headers: X-Apple-Request-UUID 2018-11-23 17:26:31 320 [HttpClient] access-control-expose-headers: Via 2018-11-23 17:26:31 320 [HttpClient] Age: 0 2018-11-23 17:26:31 320 [HttpClient] Connection: keep-alive 2018-11-23 17:26:31 320 [HttpClient] CDNUUID: 21ca9e3c-e5aa-452c-acb5-ba54380fe74c-1180671641 2018-11-23 17:26:31 320 [HttpClient] X-Cache: skipped 2018-11-23 17:26:31 320 [HttpClient] 2018-11-23 17:26:31 320 [HttpClient] Moved Permanently 2018-11-23 17:26:31 320 [HttpClient] <-- END HTTP (17-byte body) 2018-11-23 17:26:31 320 [DavResource] Redirected, new location = https://www.icloud.com/.well-known/caldav 2018-11-23 17:26:31 320 [HttpClient] --> PROPFIND https://www.icloud.com/.well-known/caldav 2018-11-23 17:26:31 320 [HttpClient] Content-Type: application/xml; charset=utf-8 2018-11-23 17:26:31 320 [HttpClient] Content-Length: 198 2018-11-23 17:26:31 320 [HttpClient] Depth: 0 2018-11-23 17:26:31 320 [HttpClient] 2018-11-23 17:26:31 320 [HttpClient] <?xml version='1.0' encoding='UTF-8' ?><propfind xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav"><prop><current-user-principal /></prop></propfind> 2018-11-23 17:26:31 320 [HttpClient] --> END PROPFIND (198-byte body) 2018-11-23 17:26:31 320 [HttpClient] <-- 501 Not Implemented https://www.icloud.com/.well-known/caldav (130ms) 2018-11-23 17:26:31 320 [HttpClient] Server: AkamaiGHost 2018-11-23 17:26:31 320 [HttpClient] Mime-Version: 1.0 2018-11-23 17:26:31 320 [HttpClient] Content-Type: text/html 2018-11-23 17:26:31 320 [HttpClient] Content-Length: 274 2018-11-23 17:26:31 320 [HttpClient] Expires: Fri, 23 Nov 2018 16:26:31 GMT 2018-11-23 17:26:31 320 [HttpClient] Date: Fri, 23 Nov 2018 16:26:31 GMT 2018-11-23 17:26:31 320 [HttpClient] Connection: close 2018-11-23 17:26:31 320 [HttpClient] 2018-11-23 17:26:31 320 [HttpClient] <HTML><HEAD> <TITLE>Unsupported Request</TITLE> </HEAD><BODY> <H1>Unsupported Request</H1> PROPFIND to http://www.icloud.com/.well-known/caldav not supported.<P> Reference #8.4016068.1542990391.1224bda3 </BODY></HTML> 2018-11-23 17:26:31 320 [HttpClient] <-- END HTTP (274-byte body) 2018-11-23 17:26:31 320 [ui.setup.DavResourceFinder] Well-known URL detection failed EXCEPTION at.bitfire.dav4android.exception.HttpException: HTTP 501 Not Implemented at at.bitfire.dav4android.DavResource.checkStatus(DavResource.kt:362) at at.bitfire.dav4android.DavResource.checkStatus(DavResource.kt:338) at at.bitfire.dav4android.DavResource.processMultiStatus(DavResource.kt:430) at at.bitfire.dav4android.DavResource.propfind(DavResource.kt:325) at at.bitfire.davdroid.ui.setup.DavResourceFinder.getCurrentUserPrincipal(DavResourceFinder.kt:395) at at.bitfire.davdroid.ui.setup.DavResourceFinder.findInitialConfiguration(DavResourceFinder.kt:129) at at.bitfire.davdroid.ui.setup.DavResourceFinder.findInitialConfiguration(DavResourceFinder.kt:89) at at.bitfire.davdroid.ui.setup.DetectConfigurationFragment$ServerConfigurationLoader.loadInBackground(DetectConfigurationFragment.kt:136) at at.bitfire.davdroid.ui.setup.DetectConfigurationFragment$ServerConfigurationLoader.loadInBackground(DetectConfigurationFragment.kt:120) at android.support.v4.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:307) at android.support.v4.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:60) at android.support.v4.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:48) at android.support.v4.content.ModernAsyncTask$2.call(ModernAsyncTask.java:141) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) at java.lang.Thread.run(Thread.java:764) 2018-11-23 17:26:31 320 [ui.setup.DavResourceFinder] No principal found at user-given URL, trying to discover 2018-11-23 17:26:31 320 [ui.setup.DavResourceFinder] Looking up SRV records for _caldavs._tcp.icloud.com 2018-11-23 17:26:31 320 [ui.setup.DavResourceFinder] caldav service discovery failed EXCEPTION java.lang.ArrayIndexOutOfBoundsException: length=0; index=0 at org.xbill.DNS.ExtendedResolver$Resolution.start(ExtendedResolver.java:102) at org.xbill.DNS.ExtendedResolver.send(ExtendedResolver.java:358) at org.xbill.DNS.Lookup.lookup(Lookup.java:477) at org.xbill.DNS.Lookup.resolve(Lookup.java:529) at org.xbill.DNS.Lookup.run(Lookup.java:543) at at.bitfire.davdroid.ui.setup.DavResourceFinder.discoverPrincipalUrl(DavResourceFinder.kt:341) at at.bitfire.davdroid.ui.setup.DavResourceFinder.findInitialConfiguration(DavResourceFinder.kt:148) at at.bitfire.davdroid.ui.setup.DavResourceFinder.findInitialConfiguration(DavResourceFinder.kt:89) at at.bitfire.davdroid.ui.setup.DetectConfigurationFragment$ServerConfigurationLoader.loadInBackground(DetectConfigurationFragment.kt:136) at at.bitfire.davdroid.ui.setup.DetectConfigurationFragment$ServerConfigurationLoader.loadInBackground(DetectConfigurationFragment.kt:120) at android.support.v4.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:307) at android.support.v4.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:60) at android.support.v4.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:48) at android.support.v4.content.ModernAsyncTask$2.call(ModernAsyncTask.java:141) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) at java.lang.Thread.run(Thread.java:764) SOFTWARE INFORMATION Package: at.bitfire.davdroid Version: 2.0.5-ose (248) from 07.11.2018 Installed from: com.android.packageinstaller JB Workaround installed: no CONNECTIVITY (at the moment) Active connection: WiFi, CONNECTED CONFIGURATION Power saving disabled: yes android.permission.READ_CONTACTS permission: granted android.permission.WRITE_CONTACTS permission: granted android.permission.READ_CALENDAR permission: granted android.permission.WRITE_CALENDAR permission: granted org.dmfs.permission.READ_TASKS permission: granted org.dmfs.permission.WRITE_TASKS permission: granted System-wide synchronization: automatically SQLITE DUMP android_metadata | locale | | de_DE | ---------- services | _id | accountName | service | principal | ---------- sqlite_sequence | name | seq | ---------- homesets | _id | serviceID | url | ---------- collections | _id | serviceID | type | url | privWriteContent | privUnbind | forceReadOnly | displayName | description | color | timezone | supportsVEVENT | supportsVTODO | source | sync | ---------- SYSTEM INFORMATION Android version: 8.1.0 (unknown) Device: unknown unknown (unknown) --- END DEBUG INFO --- -
Somehow the auto-detection in ui.setup.DavResourceFinder does not work for me, however there’s a workaround:
One account for calendar, basis-URL: https://p45-caldav.icloud.com
One account for contacts, basis-URL: https://p04-contacts.icloud.com/[uniqueid]/carddavhome/card/uniqueid can be found in calendar log or xhr when going to icloud.com
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Sounds like iCloud has changed their redirects, maybe temporarily? Sometimes this happens and then it works again some time later…