TFS: 解决The build agent error - the session for this agent already exists
来源:http://ericphan.net/blog/2016/6/10/solving-the-tfs-build-agent-error-the-session-for-this-agent-already-exists
Recently we've been getting the following error for our TFS build agents which caused all our builds to fail
The error reported is "The job has been abandoned because agent <agent name> did not renew the lock. Ensure agent is running, not sleeping, and has not lost communication with the service."
Investigating the _diag folder of the build agent itself reveals the actual error.
---------------------------------------------------------------------------
The session for this agent already exists. Sleeping for 30 seconds before next retry. Attempts=1/10.
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Microsoft.TeamFoundation.DistributedTask.WebApi.TaskAgentSessionConflictException: The task agent Agent-SYDTFSBLDP01-1 already has an active session for owner SYDTFSBLDP01.
at Microsoft.VisualStudio.Services.WebApi.VssHttpClientBase.HandleResponse(HttpResponseMessage response)
at Microsoft.VisualStudio.Services.WebApi.VssHttpClientBase.<SendAsync>d__79.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.VisualStudio.Services.WebApi.VssHttpClientBase.<SendAsync>d__76`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.VisualStudio.Services.WebApi.VssHttpClientBase.<SendAsync>d__65`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.VisualStudio.Services.WebApi.VssHttpClientBase.<SendAsync>d__64`1.MoveNext()
at Microsoft.VisualStudio.Services.WebApi.VssHttpClientBase.HandleResponse(HttpResponseMessage response)
at Microsoft.VisualStudio.Services.WebApi.VssHttpClientBase.<SendAsync>d__79.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.VisualStudio.Services.WebApi.VssHttpClientBase.<SendAsync>d__76`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.VisualStudio.Services.WebApi.VssHttpClientBase.<SendAsync>d__65`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.VisualStudio.Services.WebApi.VssHttpClientBase.<SendAsync>d__64`1.MoveNext()
To fix this issue, you need to re-run the ConfigureAgent.cmd and on the first option "Do you want to also replace the server registration (default is N)" Choose "Y"
(这里我遇到的情况略有不同,我用到的ConfigureAgent文件的后缀是ps1,即是powershell文件,故需要以管理员权限打开powershell,然后运行ConfigureAgent)
PS C:\Agents\2> .\ConfigureAgent.cmd An existing configuration file was detected. This will update the local agent settings. Do you want to also replace th e server registration (default is N)? Y
This will remove the existing agent registration and clean up the locked "session".
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