Hi, I have deployed my app to AKS, and when start AKS at the first time, some service is freeze and not responding, at that time, I have to stop and start only that service (in AKS I have to delete that pod and it will create again), then that service can be able to run normally.
There is no any exception and stack trace, because it is freeze at the line like the image log below
In the local environment, I don't get this problem
5 Answer(s)
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Hi,
Do you deploy database in the cluster at the same time, too? Since there is no error log it's pretty hard to understand the problem but there can be some connection problems such as trying to connect redis or database or other services if it's a microservice application
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No, It is separated. I use Azure Services for database, redis cache. Today, when the service is started by schedule, I got another freeze like the picture below
When I notice the log in the end before freezing, it's all about related to
IdentityBut mostly it stucked at "Volo.Abp.IdentityModel.AbpIdentityModelModule" when initializing
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It seems it stucks while trying acuiring lock for IdentitySessionCleanupBackgroundWorker. The log says it already acquired the lock but this process takes a lot of time or it cannot perform the action: https://github.com/abpframework/abp/blob/d5087c6b940320a3e932be348812d32fe06255a8/modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/Tokens/TokenCleanupBackgroundWorker.cs#L38-L41
Since it has
"Start cleanup."logs at the beginning of the method: https://github.com/abpframework/abp/blob/d5087c6b940320a3e932be348812d32fe06255a8/modules/openiddict/src/Volo.Abp.OpenIddict.Domain/Volo/Abp/OpenIddict/Tokens/TokenCleanupService.cs#L36Probably one of its dependencies cannot be resolved or causes a problem.
Can you try disabling background workers and deploy it again to make sure if it's the reason or not? https://abp.io/docs/latest/framework/infrastructure/background-workers#options
And also, you can set LogLevel as
Debugto see more details about what happens before freezing -
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when I try comment the background worker and restart that service, then change logging to Debug, I don't see anything when initializing module. It always stuck here
[02:13:06 INF] - Volo.Abp.Http.Client.IdentityModel.AbpHttpClientIdentityModelModule [02:13:06 INF] - Volo.Abp.IdentityModel.AbpIdentityModelModule
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It seems it's stuck while trying to initialize AbpHttpClientIdentityModelModule but there no special configuration in it. And it initialize AbpIdentityModelModule du to dependency to it. Nothing seems suspicious in that file.
It tries to get configuration by calling
context.Services.GetConfiguration()method but I do not think it may be the problem. https://github.com/abpframework/abp/blob/rel-9.0/framework/src/Volo.Abp.IdentityModel/Volo/Abp/IdentityModel/AbpIdentityModelModule.csCan you try removing
[DependsOn(typeof(AbpHttpClientIdentityModelModule))]attribute and try again to make sure if the problem is related to module initialization or not. And then we can start to investigation on module initialization if it's related to that
