IDT for greengrass v2 shows error Failed at 'Unable to cache expired credentials'

Question

So after launching the IDT　for greengrass v2 it shows:

```
========== Test Summary ==========
the Greengrass deployment is COMPLETED on the device after 180 seconds'
17:05:41.182 [] [cloudComponent] [idt-3ed646a1c6d65be8f45d] [ERROR] com.aws.greengrass.testing.launcher.reporting.StepTrackingReporting - Failed: 'As a developer, I can create a component in Cloud and deploy it on my device via thing group': Failed at 'the Greengrass deployment is COMPLETED on the device after 180 seconds'
[ERROR] [2023-03-27 17:05:46]: Test exited unsuccessfully error=exit status 1 executionId=cb788e4e-cc79-11ed-90c7-080027641c32 testCaseId=cloudcomponent
[INFO] [2023-03-27 17:05:46]: All tests finished. executionId=cb788e4e-cc79-11ed-90c7-080027641c32
[INFO] [2023-03-27 17:05:48]:

========== Test Summary ==========
Execution Time:         34m1s
Tests Completed:        7
Tests Passed:           5
Tests Failed:           2
Tests Skipped:          0
----------------------------------
Test Groups:
    component:                  FAILED
    lambdadeployment:           PASSED
    pretestvalidation:          PASSED
    coredependencies:           PASSED
    version:                    PASSED
    mqtt:                       FAILED
----------------------------------
Failed Tests:
    Group Name: mqtt
        Test Name: mqttpubsub
            Reason: Failed at 'the Greengrass deployment is COMPLETED on the device after 300 seconds'
    Group Name: component
        Test Name: cloudcomponent
            Reason: Failed at 'the Greengrass deployment is COMPLETED on the device after 180 seconds'
----------------------------------

```

the followings is a part of the greengrass-test-run.log

```
2023-Mar-27 16:41:04,362 [mqtt] [idt-38bef2d5ba95f1ee98d1] [ERROR] com.aws.greengrass.testing.launcher.reporting.StepTrackingReporting - Failed: 'Component publishes MQTT message to Iot core and retrieves it as well': Failed at 'the Greengrass deployment is COMPLETED on the device after 300 seconds'

```

in greengrass.log itshows (both mqtt and cloudcomponent) shows the same error

```
2023-03-27T16:36:27.716Z [ERROR] (pool-2-thread-17) com.aws.greengrass.tes.CredentialRequestHandler: Unable to cache expired credentials which expired at 2023-03-27T09:35:49Z. {iotCredentialsPath=/role-aliases/GreengrassV2TokenExchangeRoleAlias/credentials}
2023-03-27T16:36:27.717Z [ERROR] (pool-2-thread-17) com.aws.greengrass.tes.CredentialRequestHandler: Error in retrieving AwsCredentials from TES. {iotCredentialsPath=/role-aliases/GreengrassV2TokenExchangeRoleAlias/credentials, credentialData=TES responded with credentials that expired at 2023-03-27T09:35:49Z}
2023-03-27T16:37:11.346Z [ERROR] (pool-2-thread-17) com.aws.greengrass.tes.CredentialRequestHandler: Unable to cache expired credentials which expired at 2023-03-27T09:36:33Z. {iotCredentialsPath=/role-aliases/GreengrassV2TokenExchangeRoleAlias/credentials}
2023-03-27T16:37:11.348Z [ERROR] (pool-2-thread-17) com.aws.greengrass.tes.CredentialRequestHandler: Error in retrieving AwsCredentials from TES. {iotCredentialsPath=/role-aliases/GreengrassV2TokenExchangeRoleAlias/credentials, credentialData=TES responded with credentials that expired at 2023-03-27T09:36:33Z}
2023-03-27T16:37:42.877Z [ERROR] (pool-2-thread-17) com.aws.greengrass.tes.CredentialRequestHandler: Unable to cache expired credentials which expired at 2023-03-27T09:37:05Z. {iotCredentialsPath=/role-aliases/GreengrassV2TokenExchangeRoleAlias/credentials}
2023-03-27T16:37:42.879Z [ERROR] (pool-2-thread-17) com.aws.greengrass.tes.CredentialRequestHandler: Error in retrieving AwsCredentials from TES. {iotCredentialsPath=/role-aliases/GreengrassV2TokenExchangeRoleAlias/credentials, credentialData=TES responded with credentials that expired at 2023-03-27T09:37:05Z}
2023-03-27T16:38:35.889Z [ERROR] (pool-2-thread-17) com.aws.greengrass.tes.CredentialRequestHandler: Unable to cache expired credentials which expired at 2023-03-27T09:37:58Z. {iotCredentialsPath=/role-aliases/GreengrassV2TokenExchangeRoleAlias/credentials}
2023-03-27T16:38:35.891Z [ERROR] (pool-2-thread-17) com.aws.greengrass.tes.CredentialRequestHandler: Error in retrieving AwsCredentials from TES. {iotCredentialsPath=/role-aliases/GreengrassV2TokenExchangeRoleAlias/credentials, credentialData=TES responded with credentials that expired at 2023-03-27T09:37:58Z}
```

not sure why is this happening  anyone know where can I get more info about this Error the log seems did not give any extra info about it

Accepted Answer

It seems like the rtc modify my device time causing error happened; after turning off the rtc and set the time before the credential expired fix the error log 
Not sure if there is a better solution to fix the error

Answer

Hi loordb. The deployment is failing to complete within 180s. You can find more information about what's going on with the deployment in the core device logs. The file `greengrass.log` and `component-name.log`. IDT copies them to destinations outside the normal place (`/greengrass/v2/logs`): https://docs.aws.amazon.com/greengrass/v2/developerguide/idt-troubleshooting.html

IDT for greengrass v2 shows error Failed at 'Unable to cache expired credentials'

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