Help Center> Migration Center> FAQs> Application Discovery> Known Application Discovery Problems and Solutions
Updated on 2024-05-20 GMT+08:00

Known Application Discovery Problems and Solutions

The following table lists known issues related to application discovery and how these issues can be addressed.

Issue

Solution

Task name already exists.

Enter another task name.

Create collection task failed.

Contact technical support or submit a service ticket.

Involved collection task not found.

Associate the collection item with another collection task.

Collection item already exists.

Check whether the collection item has already been associated with the collection task, or contact technical support.

Add collection item failed.

Contact technical support or submit a service ticket.

Add data source failed.

Contact technical support or submit a service ticket.

Delete collection task failed.

Refresh the task list to check whether the collection task has been deleted, or contact technical support.

Delete collection item failed.

Refresh the collection item list to check whether the collection item has been deleted, or contact technical support.

Collection task not found.

Refresh the collection task list and check whether the collection task exists.

Collection item not found.

Refresh the collection item list and check whether the collection item exists.

Add data source failed.

Contact technical support or submit a service ticket.

Data source not found.

Refresh the collection item list and check whether the data source exists.

Re-collect data source failed.

Refresh the collection item list and check whether the data source exists, or contact technical support.

Delete data source failed.

Refresh the collection item list and check whether the data source has been deleted, or contact technical support.

Edit data source name failed.

Refresh the collection item list and check whether the data source exists, or contact technical support.

Re-collection failed.

Refresh the collection item list and check whether the collection item exists, or contact technical support.

Incorrect data source settings.

Check whether the data source settings are correct.

Re-collect data source failed.

Check whether the collection uses APIs and the status is completed.

Delete data source failed.

Only data sources in the collection failed or completed status can be deleted.

Delete collection item failed.

Only collection items in the waiting status can be deleted.

Delete collection task failed. There are running collection items.

Refresh the collection item list and check whether there are running collection items. If there are running collection items, the collection task cannot be deleted.

The file to import is too large.

The maximum file size allowed is 10 MB.

Invalid file name.

Enter a valid file name.

Invalid file format.

Import a file in the correct format.

Add data source failed. Uploaded file not found.

Check whether the file has been successfully imported or import the file again.

Could not collect information from Alibaba Cloud RM.

Debug API SearchResources by following the instructions provided in the Alibaba Cloud Resource Management Documentation and locate the fault cause based on the returned error code, or contact Alibaba Cloud technical support.

Could not collect information from Alibaba Cloud RM.

Debug API GetResourceConfiguration by following the instructions provided in the Alibaba Cloud Resource Management Documentation and locate the fault cause based on the returned error code, or contact Alibaba Cloud technical support.

Credential not found.

Check whether the selected credential can be found on the Credentials page.

Credential expired.

Update the credential on the Credentials page.

Wrong credential type. Select AK/SK credentials.

Select AK/SK credentials.

Invalid MSE configuration file.

Check whether the selected credential and regions are correct.

Incorrect file format.

Upload a file in the correct format.

Could not obtain Nacos accessToken.

Check whether the username and password entered in the configuration information are correct.

Could not parse Nacos authentication information.

Contact technical support or submit a service ticket.

Could not query domain names in pagination mode.

Debug API DescribeDomains by following the instructions provided in the Alibaba Cloud Resource Management Documentation and locate the fault cause based on the returned error code, or contact Alibaba Cloud technical support.

Could not query DNS records in pagination mode.

Debug API DescribeDomainRecords by following the instructions provided in the Alibaba Cloud Resource Management Documentation and locate the fault cause based on the returned error code, or contact Alibaba Cloud technical support.

Could not invoke the Alibaba Cloud WAF SDK.

Debug API DescribeDomains by following the instructions provided in the Alibaba Cloud Resource Management Documentation and locate the fault cause based on the returned error code, or contact Alibaba Cloud technical support.

Invalid AK/SK.

Check whether the AK/SK pair recorded in the selected credential is correct.

Could not invoke the Alibaba Cloud Kafka SDK.

Check whether the selected credential and regions are correct, or check whether the Alibaba Cloud Kafka service is enabled for the account that the credential belongs to.

Could not invoke the Alibaba Cloud Topic SDK.

Debug API GetInstanceList by following the instructions provided in the Alibaba Cloud Resource Management Documentation and locate the fault cause based on the returned error code, or contact Alibaba Cloud technical support.

Could not invoke the Alibaba Cloud RDS SDK.

Check whether the selected credential and regions are correct, or check whether the Alibaba Cloud RDS service is enabled for the account that the credential belongs to.

Could not invoke the Alibaba Cloud RDS schema SDK.

Debug API DescribeDatabases by following the instructions provided in the Alibaba Cloud Resource Management Documentation and locate the fault cause based on the returned error code, or contact Alibaba Cloud technical support.

Create Alibaba Cloud SLB SDK client failed.

Check whether the selected credential and regions are correct.

Uploaded file contains invalid data.

Enter valid values.

Uploaded file failed the verification.

Contact technical support or submit a service ticket.

Required fields are missing in uploaded file.

Specify required fields.

Table headers of uploaded file are incorrect.

Enter the correct table headers.

Table headers of uploaded file are invalid.

Check whether non-customized table headers in the template have been modified.

Unexpected domain names found in "Domain" sheet.

Ensure that domain names entered in the "Application"and "MQ" sheets have been entered in the "Domain" sheet.

Invalid file content.

Check whether the import template was modified or download the template again.

Maximum tags reached.

Delete unnecessary tags and try again.

Add tag failed.

Contact technical support or submit a service ticket.

Tag not found.

Check whether the tag is available.

The tag has been associated with resources.

Select another tag or dissociate from resources.

Update tag failed.

Contact technical support or submit a service ticket.

The parameter for querying the tag set is empty.

Set the tag query parameters.

Associate tag with resources failed.

Contact technical support or submit a service ticket.

The tag was not associated with the resources

Check whether related resources and the tag have been associated, or contact technical support.

ID not found.

Contact technical support or submit a service ticket.

Modify data failed.

Contact technical support or submit a service ticket.

Data import failed.

Contact technical support or submit a service ticket.

Name already exists.

Enter another name.

File upload failed.

Contact technical support or submit a service ticket.

File download failed.

Contact technical support or submit a service ticket.

Uploaded file not found or expired.

Upload a new file, or rename the file and upload it again.

Producer and consumer in a raw in sheet "MQ" are in different environments.

Check whether the producer and consumer environments in the MQ sheet of the imported file are consistent.

Producers or consumers specified in sheet "MQ" are not found in sheet "Application".

Ensure that the producer and consumer services or microservices in the MQ sheet have been supplemented in the Application sheet of the imported file.

Column "MICROSERVICE" in sheet "Application" is required.

Add microservices in the Application sheet to the imported file.

Columns "PRODUCER" and "CONSUMER" in sheet "MQ" are required.

Add the producer and consumer services or microservices to the MQ sheet of the imported file.

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