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Duplicate Media Key Error When 2 Clients Request Federated Media Simultaneously #615

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PseudoResonance opened this issue Sep 1, 2024 · 1 comment
Open

Duplicate Media Key Error When 2 Clients Request Federated Media Simultaneously #615

PseudoResonance opened this issue Sep 1, 2024 · 1 comment
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@PseudoResonance
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With 2 clients open to the same chat at the same time, I got what appears to be an error related to the media lock, and 2 requests trying to save the received image simultaneously. One client showed the image correctly, and the other said "Error downloading image" until I refreshed the chat. There's only a single instance of MMR running as ID 0 at the moment, so it shouldn't have been caused by some issue with synchronization across a cluster.

Logs 
time="2024-09-01 09:34:12.311 Z" level=warning msg="Access token cache is disabled for this host" contentLength=0 contentType="" host=HOMESERVER method=GET queryString="allow_redirect=true" remoteAddr="INTERNALIP1:40056" requestId=REQ-573 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID userAgent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Element/1.11.76 Chrome/126.0.6478.185 Electron/31.3.1 Safari/537.36"
time="2024-09-01 09:34:12.311 Z" level=debug msg="Checking access token with homeserver" contentLength=0 contentType="" host=HOMESERVER method=GET queryString="allow_redirect=true" remoteAddr="INTERNALIP1:40056" requestId=REQ-573 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID userAgent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Element/1.11.76 Chrome/126.0.6478.185 Electron/31.3.1 Safari/537.36"
time="2024-09-01 09:34:12.311 Z" level=debug msg="Calling GET https://matrix.HOMESERVER/_matrix/client/v3/account/whoami" contentLength=0 contentType="" host=HOMESERVER method=GET queryString="allow_redirect=true" remoteAddr="INTERNALIP1:40056" requestId=REQ-573 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID userAgent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Element/1.11.76 Chrome/126.0.6478.185 Electron/31.3.1 Safari/537.36"
time="2024-09-01 09:34:12.352 Z" level=debug msg="Getting server API URL for matrix.org"
time="2024-09-01 09:34:12.352 Z" level=debug msg="Testing if matrix.org is an IP address"
time="2024-09-01 09:34:12.352 Z" level=debug msg="Testing if a default port was used. Using default = true"
time="2024-09-01 09:34:12.352 Z" level=debug msg="Doing .well-known lookup on matrix.org"
time="2024-09-01 09:34:12.437 Z" level=warning msg="Access token cache is disabled for this host" contentLength=0 contentType="" host=HOMESERVER method=GET queryString="" remoteAddr="INTERNALIP2:59316" requestId=REQ-574 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID userAgent="Element X/0.5.0 (samsung SM-S908U; Android 14; UP1A.231005.007.S908USQS6EXG8; Sdk d65e33ca6)"
time="2024-09-01 09:34:12.437 Z" level=debug msg="Checking access token with homeserver" contentLength=0 contentType="" host=HOMESERVER method=GET queryString="" remoteAddr="INTERNALIP2:59316" requestId=REQ-574 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID userAgent="Element X/0.5.0 (samsung SM-S908U; Android 14; UP1A.231005.007.S908USQS6EXG8; Sdk d65e33ca6)"
time="2024-09-01 09:34:12.437 Z" level=debug msg="Calling GET https://matrix.HOMESERVER/_matrix/client/v3/account/whoami" contentLength=0 contentType="" host=HOMESERVER method=GET queryString="" remoteAddr="INTERNALIP2:59316" requestId=REQ-574 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID userAgent="Element X/0.5.0 (samsung SM-S908U; Android 14; UP1A.231005.007.S908USQS6EXG8; Sdk d65e33ca6)"
time="2024-09-01 09:34:12.454 Z" level=debug msg="Getting server API URL for matrix.org"
time="2024-09-01 09:34:12.454 Z" level=debug msg="Testing if matrix.org is an IP address"
time="2024-09-01 09:34:12.454 Z" level=debug msg="Testing if a default port was used. Using default = true"
time="2024-09-01 09:34:12.454 Z" level=debug msg="Doing .well-known lookup on matrix.org"
time="2024-09-01 09:34:12.510 Z" level=debug msg="Checking if WK host is an IP: matrix-federation.matrix.org"
time="2024-09-01 09:34:12.511 Z" level=debug msg="Checking if WK is using default port? false"
time="2024-09-01 09:34:12.511 Z" level=debug msg="Server API URL for matrix.org is https://matrix-federation.matrix.org:443 (WK; explicit port)"
time="2024-09-01 09:34:12.511 Z" level=warning msg="No signing key is configured for this domain! See `signingKeyPath` in the sample config for details." allowRedirect=true allowRemote=true authServerName="" authUserId="@USER:HOMESERVER" contentLength=0 contentType="" filename="" host=HOMESERVER mediaId=MEDIA_ID method=GET queryString="allow_redirect=true" remoteAddr="INTERNALIP1:40056" requestId=REQ-573 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID server=matrix.org userAgent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Element/1.11.76 Chrome/126.0.6478.185 Electron/31.3.1 Safari/537.36"
time="2024-09-01 09:34:12.511 Z" level=debug msg="Doing federated GET to https://matrix-federation.matrix.org:443/_matrix/media/v3/download/matrix.org/MEDIA_ID?allow_remote=false&allow_redirect=true with host matrix-federation.matrix.org:443" allowRedirect=true allowRemote=true authServerName="" authUserId="@USER:HOMESERVER" contentLength=0 contentType="" filename="" host=HOMESERVER mediaId=MEDIA_ID method=GET queryString="allow_redirect=true" remoteAddr="INTERNALIP1:40056" requestId=REQ-573 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID server=matrix.org userAgent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Element/1.11.76 Chrome/126.0.6478.185 Electron/31.3.1 Safari/537.36"
time="2024-09-01 09:34:12.511 Z" level=debug msg="Checking if WK host is an IP: matrix-federation.matrix.org"
time="2024-09-01 09:34:12.511 Z" level=debug msg="Checking if WK is using default port? false"
time="2024-09-01 09:34:12.511 Z" level=debug msg="Server API URL for matrix.org is https://matrix-federation.matrix.org:443 (WK; explicit port)"
time="2024-09-01 09:34:12.512 Z" level=warning msg="No signing key is configured for this domain! See `signingKeyPath` in the sample config for details." allowRedirect=false allowRemote=true authServerName="" authUserId="@USER:HOMESERVER" contentLength=0 contentType="" filename="" host=HOMESERVER mediaId=MEDIA_ID method=GET queryString="" remoteAddr="INTERNALIP2:59316" requestId=REQ-574 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID server=matrix.org userAgent="Element X/0.5.0 (samsung SM-S908U; Android 14; UP1A.231005.007.S908USQS6EXG8; Sdk d65e33ca6)"
time="2024-09-01 09:34:12.512 Z" level=debug msg="Doing federated GET to https://matrix-federation.matrix.org:443/_matrix/media/v3/download/matrix.org/MEDIA_ID?allow_remote=false&allow_redirect=true with host matrix-federation.matrix.org:443" allowRedirect=false allowRemote=true authServerName="" authUserId="@USER:HOMESERVER" contentLength=0 contentType="" filename="" host=HOMESERVER mediaId=MEDIA_ID method=GET queryString="" remoteAddr="INTERNALIP2:59316" requestId=REQ-574 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID server=matrix.org userAgent="Element X/0.5.0 (samsung SM-S908U; Android 14; UP1A.231005.007.S908USQS6EXG8; Sdk d65e33ca6)"
time="2024-09-01 09:34:12.924 Z" level=warning msg="Access token cache is disabled for this host" contentLength=0 contentType="" host=HOMESERVER method=GET queryString="" remoteAddr="INTERNALIP3:49678" requestId=REQ-575 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID userAgent="Element X/0.5.0 (samsung SM-S908U; Android 14; UP1A.231005.007.S908USQS6EXG8; Sdk d65e33ca6)"
time="2024-09-01 09:34:12.924 Z" level=debug msg="Checking access token with homeserver" contentLength=0 contentType="" host=HOMESERVER method=GET queryString="" remoteAddr="INTERNALIP3:49678" requestId=REQ-575 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID userAgent="Element X/0.5.0 (samsung SM-S908U; Android 14; UP1A.231005.007.S908USQS6EXG8; Sdk d65e33ca6)"
time="2024-09-01 09:34:12.924 Z" level=debug msg="Calling GET https://matrix.HOMESERVER/_matrix/client/v3/account/whoami" contentLength=0 contentType="" host=HOMESERVER method=GET queryString="" remoteAddr="INTERNALIP3:49678" requestId=REQ-575 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID userAgent="Element X/0.5.0 (samsung SM-S908U; Android 14; UP1A.231005.007.S908USQS6EXG8; Sdk d65e33ca6)"
time="2024-09-01 09:34:14.851 Z" level=debug msg="Lock acquired until 2024-09-01 09:39:11.843254928 +0000 UTC" allowRedirect=false allowRemote=true authServerName="" authUserId="@USER:HOMESERVER" contentLength=0 contentType="" filename="" host=HOMESERVER mediaId=MEDIA_ID method=GET queryString="" remoteAddr="INTERNALIP2:59316" requestId=REQ-574 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID server=matrix.org userAgent="Element X/0.5.0 (samsung SM-S908U; Android 14; UP1A.231005.007.S908USQS6EXG8; Sdk d65e33ca6)"
time="2024-09-01 09:34:16.976 Z" level=debug msg="Unlocking upload lock" allowRedirect=false allowRemote=true authServerName="" authUserId="@USER:HOMESERVER" contentLength=0 contentType="" filename="" host=HOMESERVER mediaId=MEDIA_ID method=GET queryString="" remoteAddr="INTERNALIP2:59316" requestId=REQ-574 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID server=matrix.org userAgent="Element X/0.5.0 (samsung SM-S908U; Android 14; UP1A.231005.007.S908USQS6EXG8; Sdk d65e33ca6)"
time="2024-09-01 09:34:16.993 Z" level=debug msg="Lock acquired until 2024-09-01 09:39:13.992139095 +0000 UTC" allowRedirect=true allowRemote=true authServerName="" authUserId="@USER:HOMESERVER" contentLength=0 contentType="" filename="" host=HOMESERVER mediaId=MEDIA_ID method=GET queryString="allow_redirect=true" remoteAddr="INTERNALIP1:40056" requestId=REQ-573 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID server=matrix.org userAgent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Element/1.11.76 Chrome/126.0.6478.185 Electron/31.3.1 Safari/537.36"
time="2024-09-01 09:34:17.003 Z" level=info msg="Replying with result: *_responses.DownloadResponse &{ContentType:application/octet-stream Filename:download SizeBytes:936 Data:0xc0007813b0 TargetDisposition:infer}" contentLength=0 contentType="" host=HOMESERVER method=GET queryString="" remoteAddr="INTERNALIP3:49678" requestId=REQ-575 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID userAgent="Element X/0.5.0 (samsung SM-S908U; Android 14; UP1A.231005.007.S908USQS6EXG8; Sdk d65e33ca6)"
time="2024-09-01 09:34:17.005 Z" level=info msg="Replying with result: *_responses.DownloadResponse &{ContentType:application/octet-stream Filename:download SizeBytes:936 Data:0xc000631998 TargetDisposition:infer}" contentLength=0 contentType="" host=HOMESERVER method=GET queryString="" remoteAddr="INTERNALIP2:59316" requestId=REQ-574 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID userAgent="Element X/0.5.0 (samsung SM-S908U; Android 14; UP1A.231005.007.S908USQS6EXG8; Sdk d65e33ca6)"
time="2024-09-01 09:34:17.244 Z" level=debug msg="Unlocking upload lock" allowRedirect=true allowRemote=true authServerName="" authUserId="@USER:HOMESERVER" contentLength=0 contentType="" filename="" host=HOMESERVER mediaId=MEDIA_ID method=GET queryString="allow_redirect=true" remoteAddr="INTERNALIP1:40056" requestId=REQ-573 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID server=matrix.org userAgent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Element/1.11.76 Chrome/126.0.6478.185 Electron/31.3.1 Safari/537.36"
time="2024-09-01 09:34:17.246 Z" level=error msg="Unexpected error locating media: pq: duplicate key value violates unique constraint \"media_index\"" allowRedirect=true allowRemote=true authServerName="" authUserId="@USER:HOMESERVER" contentLength=0 contentType="" filename="" host=HOMESERVER mediaId=MEDIA_ID method=GET queryString="allow_redirect=true" remoteAddr="INTERNALIP1:40056" requestId=REQ-573 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID server=matrix.org userAgent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Element/1.11.76 Chrome/126.0.6478.185 Electron/31.3.1 Safari/537.36"
time="2024-09-01 09:34:17.246 Z" level=info msg="Replying with result: *_responses.ErrorResponse &{Code:M_UNKNOWN Message:Unexpected Error InternalCode:M_UNKNOWN}" contentLength=0 contentType="" host=HOMESERVER method=GET queryString="allow_redirect=true" remoteAddr="INTERNALIP1:40056" requestId=REQ-573 resource=/_matrix/client/v1/media/download/matrix.org/MEDIA_ID userAgent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Element/1.11.76 Chrome/126.0.6478.185 Electron/31.3.1 Safari/537.36"
@turt2live turt2live added the bug label Sep 1, 2024
@turt2live turt2live moved this to Todo in v1.3 feature cycle Sep 1, 2024
@PseudoResonance
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Additionally, I believe I saw this affect things like URL previews. I don't have the logs unfortunately, but on very rare occasions I've had URL previews where the image won't load and the server had the same error about duplicate keys because 2 users requested the preview simultaneously.

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@turt2live @PseudoResonance