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unstable/master: log error: Error deserializing /config/data/ScheduledTasks/ #2497

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opened 2025-12-21 20:41:32 +01:00 by backuprepo · 2 comments

backuprepo commented

2025-12-21 20:41:32 +01:00

Owner

Originally created by @rayures on GitHub (Jan 11, 2021).

Originally assigned to: @Bond-009 on GitHub.

Describe the bug

error in log. (see log section)

i think it is related to scheduled task 'scan media library' never runs. but not sure.

System (please complete the following information):

OS: debian 10
Virtualization: docker
Clients:
Browser:
Jellyfin Version: unstable 2021-01-10
Installed Plugins:
Reverse Proxy:
Base URL:
Networking:
Storage: local

To Reproduce

Go to 'open log'
Click on '....'
Scroll down to '....'
See error

Expected behavior

Logs

log states:

[11:50:18] [ERR] [1] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error deserializing /config/data/ScheduledTasks/a27c5425-9520-b2e5-c509-def68c8f4c45.js
System.Text.Json.JsonException: '}' is invalid after a single JSON value. Expected end of data. Path: $ | LineNumber: 0 | BytePositionInLine: 213.
 ---> System.Text.Json.JsonReaderException: '}' is invalid after a single JSON value. Expected end of data. LineNumber: 0 | BytePositionInLine: 213.
   at System.Text.Json.ThrowHelper.ThrowJsonReaderException(Utf8JsonReader& json, ExceptionResource resource, Byte nextByte, ReadOnlySpan`1 bytes)
   at System.Text.Json.Utf8JsonReader.ConsumeNextToken(Byte marker)
   at System.Text.Json.Utf8JsonReader.ConsumeNextTokenOrRollback(Byte marker)
   at System.Text.Json.Utf8JsonReader.ReadSingleSegment()
   at System.Text.Json.Utf8JsonReader.Read()
   at System.Text.Json.Serialization.JsonConverter`1.ReadCore(Utf8JsonReader& reader, JsonSerializerOptions options, ReadStack& state)
   --- End of inner exception stack trace ---
   at System.Text.Json.ThrowHelper.ReThrowWithPath(ReadStack& state, JsonReaderException ex)
   at System.Text.Json.Serialization.JsonConverter`1.ReadCore(Utf8JsonReader& reader, JsonSerializerOptions options, ReadStack& state)
   at System.Text.Json.JsonSerializer.ReadCore[TValue](JsonConverter jsonConverter, Utf8JsonReader& reader, JsonSerializerOptions options, ReadStack& state)
   at System.Text.Json.JsonSerializer.ReadCore[TValue](Utf8JsonReader& reader, Type returnType, JsonSerializerOptions options)
   at System.Text.Json.JsonSerializer.Deserialize[TValue](String json, Type returnType, JsonSerializerOptions options)
   at System.Text.Json.JsonSerializer.Deserialize[TValue](String json, JsonSerializerOptions options)
   at Emby.Server.Implementations.ScheduledTasks.ScheduledTaskWorker.get_LastExecutionResult()

Screenshots

Additional context

Originally created by @rayures on GitHub (Jan 11, 2021). Originally assigned to: @Bond-009 on GitHub. **Describe the bug**  error in log. (see log section) i think it is related to scheduled task 'scan media library' never runs. but not sure. **System (please complete the following information):** - OS: debian 10 - Virtualization: docker - Clients: - Browser: - Jellyfin Version: unstable 2021-01-10 - Installed Plugins: - Reverse Proxy: - Base URL: - Networking: - Storage: local **To Reproduce**  1. Go to 'open log' 2. Click on '....' 3. Scroll down to '....' 4. See error **Expected behavior**  **Logs** log states: ``` [11:50:18] [ERR] [1] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error deserializing /config/data/ScheduledTasks/a27c5425-9520-b2e5-c509-def68c8f4c45.js System.Text.Json.JsonException: '}' is invalid after a single JSON value. Expected end of data. Path: $ | LineNumber: 0 | BytePositionInLine: 213. ---> System.Text.Json.JsonReaderException: '}' is invalid after a single JSON value. Expected end of data. LineNumber: 0 | BytePositionInLine: 213. at System.Text.Json.ThrowHelper.ThrowJsonReaderException(Utf8JsonReader& json, ExceptionResource resource, Byte nextByte, ReadOnlySpan`1 bytes) at System.Text.Json.Utf8JsonReader.ConsumeNextToken(Byte marker) at System.Text.Json.Utf8JsonReader.ConsumeNextTokenOrRollback(Byte marker) at System.Text.Json.Utf8JsonReader.ReadSingleSegment() at System.Text.Json.Utf8JsonReader.Read() at System.Text.Json.Serialization.JsonConverter`1.ReadCore(Utf8JsonReader& reader, JsonSerializerOptions options, ReadStack& state) --- End of inner exception stack trace --- at System.Text.Json.ThrowHelper.ReThrowWithPath(ReadStack& state, JsonReaderException ex) at System.Text.Json.Serialization.JsonConverter`1.ReadCore(Utf8JsonReader& reader, JsonSerializerOptions options, ReadStack& state) at System.Text.Json.JsonSerializer.ReadCore[TValue](JsonConverter jsonConverter, Utf8JsonReader& reader, JsonSerializerOptions options, ReadStack& state) at System.Text.Json.JsonSerializer.ReadCore[TValue](Utf8JsonReader& reader, Type returnType, JsonSerializerOptions options) at System.Text.Json.JsonSerializer.Deserialize[TValue](String json, Type returnType, JsonSerializerOptions options) at System.Text.Json.JsonSerializer.Deserialize[TValue](String json, JsonSerializerOptions options) at Emby.Server.Implementations.ScheduledTasks.ScheduledTaskWorker.get_LastExecutionResult() ``` **Screenshots**  **Additional context**

backuprepo

2025-12-21 20:41:32 +01:00

closed this issue
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backuprepo commented

2025-12-21 20:41:36 +01:00

Author

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@crobibero commented on GitHub (Jan 11, 2021):

Can you please paste the contents of
/config/data/ScheduledTasks/a27c5425-9520-b2e5-c509-def68c8f4c45.js

@crobibero commented on GitHub (Jan 11, 2021): Can you please paste the contents of `/config/data/ScheduledTasks/a27c5425-9520-b2e5-c509-def68c8f4c45.js`

backuprepo commented

2025-12-21 20:41:37 +01:00

Author

Owner

@rayures commented on GitHub (Jan 12, 2021):

I have no name!@8a52e97e152e:/config/data/ScheduledTasks$ cat a27c5425-9520-b2e5-c509-def68c8f4c45.js

{"StartTimeUtc":"2021-01-07T14:59:04.173563Z","EndTimeUtc":"2021-01-07T14:59:04.2263936Z","Status":"Completed","Name":"TasksRefreshChannels","Key":"RefreshInternetChannels","Id":"a27c54259520b2e5c509def68c8f4c45"}}

one to many } ?

//edit

updated to master 2021-01-11 and getting more errors.

[09:26:01] [ERR] [1] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error deserializing /config/data/ScheduledTasks/6330ee8f-b4a9-57f3-3981-f89aa78b030f.js
System.Text.Json.JsonException: '}' is invalid after a single JSON value. Expected end of data. Path: $ | LineNumber: 0 | BytePositionInLine: 202.
[09:26:01] [ERR] [1] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error deserializing /config/data/ScheduledTasks/241d4fcb-19a1-d557-ee62-428e411da609.js
System.Text.Json.JsonException: '}' is invalid after a single JSON value. Expected end of data. Path: $ | LineNumber: 0 | BytePositionInLine: 207.
[09:26:01] [ERR] [1] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error deserializing /config/data/ScheduledTasks/1c8ede62-c521-bea0-bf85-1344f5b8ca40.js
System.Text.Json.JsonException: '"' is invalid after a single JSON value. Expected end of data. Path: $ | LineNumber: 0 | BytePositionInLine: 201.
[09:26:01] [ERR] [1] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error deserializing /config/data/ScheduledTasks/3145e441-d9ba-27fc-391e-7ee15face581.js
System.Text.Json.JsonException: '}' is invalid after a single JSON value. Expected end of data. Path: $ | LineNumber: 0 | BytePositionInLine: 195.
[09:26:01] [ERR] [1] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error deserializing /config/data/ScheduledTasks/a27c5425-9520-b2e5-c509-def68c8f4c45.js
System.Text.Json.JsonException: '}' is invalid after a single JSON value. Expected end of data. Path: $ | LineNumber: 0 | BytePositionInLine: 213.

@rayures commented on GitHub (Jan 12, 2021): ```` I have no name!@8a52e97e152e:/config/data/ScheduledTasks$ cat a27c5425-9520-b2e5-c509-def68c8f4c45.js {"StartTimeUtc":"2021-01-07T14:59:04.173563Z","EndTimeUtc":"2021-01-07T14:59:04.2263936Z","Status":"Completed","Name":"TasksRefreshChannels","Key":"RefreshInternetChannels","Id":"a27c54259520b2e5c509def68c8f4c45"}} ```` one to many } ? //edit updated to master 2021-01-11 and getting more errors. ```` [09:26:01] [ERR] [1] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error deserializing /config/data/ScheduledTasks/6330ee8f-b4a9-57f3-3981-f89aa78b030f.js System.Text.Json.JsonException: '}' is invalid after a single JSON value. Expected end of data. Path: $ | LineNumber: 0 | BytePositionInLine: 202. [09:26:01] [ERR] [1] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error deserializing /config/data/ScheduledTasks/241d4fcb-19a1-d557-ee62-428e411da609.js System.Text.Json.JsonException: '}' is invalid after a single JSON value. Expected end of data. Path: $ | LineNumber: 0 | BytePositionInLine: 207. [09:26:01] [ERR] [1] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error deserializing /config/data/ScheduledTasks/1c8ede62-c521-bea0-bf85-1344f5b8ca40.js System.Text.Json.JsonException: '"' is invalid after a single JSON value. Expected end of data. Path: $ | LineNumber: 0 | BytePositionInLine: 201. [09:26:01] [ERR] [1] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error deserializing /config/data/ScheduledTasks/3145e441-d9ba-27fc-391e-7ee15face581.js System.Text.Json.JsonException: '}' is invalid after a single JSON value. Expected end of data. Path: $ | LineNumber: 0 | BytePositionInLine: 195. [09:26:01] [ERR] [1] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error deserializing /config/data/ScheduledTasks/a27c5425-9520-b2e5-c509-def68c8f4c45.js System.Text.Json.JsonException: '}' is invalid after a single JSON value. Expected end of data. Path: $ | LineNumber: 0 | BytePositionInLine: 213. ````

backuprepo referenced this issue

2025-12-22 07:13:24 +01:00

[PR #2497] [MERGED] Check for duplicates when adding items to a playlist #8956

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Reference: starred/jellyfin#2497

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