It looks like the TextIO.read transform is not matching files when using a glob wildcard when the glob starts with a * and the path is relative. IE /full/path/* and ./path/f* work but ./path/* does not.
Reproduction steps using the word count example from the Beam Quick start for current version 2.16 (https://beam.apache.org/get-started/quickstart-java/) -
The above fails when it is expected to find the pom.xml file. I tested the same way with 2.15 and it works as expected.