Troubleshoot common sharing issues in Delta Sharing

The following sections describe common errors that might occur when you create a share or access data in a share.

Accessing data within a share

The following errors are common when accessing data in a share.

File not found or certificate errors

Issue: You see an error message that throws a file not found or certificate exception.

Possible cause: Your bucket name uses dot or period notation (for example, This is an AWS limitation. See the AWS bucket naming rules.

Recommended fix: Use a different bucket for Unity Catalog and Delta Sharing.

Spark error example:

FileReadException: Error while reading file delta-sharing:/%252Ftmp%252Fexample.share%2523example.tpc_ds.example/XXXXXXXXXXXXX/XXXXXXXX.

Caused by: SSLPeerUnverifiedException: Certificate for - <[workspace name]> doesn't match any of the subject alternative names [, *…]:

Pandas error example:


Power BI error example:

DataSource.Error: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.