# \#bug

**URL:** https://openvidu.discourse.group/tag/bug/1.md

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## [Massive Conference - crash while switching publisher](https://openvidu.discourse.group/t/massive-conference-crash-while-switching-publisher/846)

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**Author:** [@sirfragles](https://openvidu.discourse.group/u/sirfragles)\
**Replies:** 27\
**Last updated:** [January 20, 2024, 5:18pm UTC](https://openvidu.discourse.group/t/massive-conference-crash-while-switching-publisher/846 "2024-01-20T17:18:32Z")

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Hello, we are trying to build an app that is similar to “Massive Conference” example, there is always one publisher and all others users are subscribers but there rolle can change between. During change we are usuall…

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## [After upgrading to 2.17.0 past recordings do not work](https://openvidu.discourse.group/t/after-upgrading-to-2-17-0-past-recordings-do-not-work/2803)

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**Author:** [@pabloFuente](https://openvidu.discourse.group/u/pabloFuente)\
**Replies:** 4\
**Last updated:** [April 7, 2021, 5:29pm UTC](https://openvidu.discourse.group/t/after-upgrading-to-2-17-0-past-recordings-do-not-work/2803 "2021-04-07T17:29:39Z")

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Hello, Release 2.17.0 comes with an unexpected breaking change. This affects you if these 3 conditions are all fulfilled: You are using the recording feature You want to upgrade your existing 2.16.0 stack to 2.17.0 (…

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## [RPCNotificationService exception with closed ws](https://openvidu.discourse.group/t/rpcnotificationservice-exception-with-closed-ws/623)

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**Author:** [@dovalin](https://openvidu.discourse.group/u/dovalin)\
**Replies:** 9\
**Last updated:** [June 13, 2020, 6:54am UTC](https://openvidu.discourse.group/t/rpcnotificationservice-exception-with-closed-ws/623 "2020-06-13T06:54:27Z")

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Hi, We have some strange logs related with websocket sessions, when this exception is thrown the thumbnail is not created in participant. Any ideas? \[INFO\] 2020-04-28 11:43:02,568 \[4ilbdl3-e136-t0\] io.openvidu.server.…