TensorFlow Java 0.3.1 has been released and is available on Maven
Central, please take a look at the release notes
This release is a hot fix to prevent a memory leak with string tensors that was introduced in 0.3.0.
0.3.1 is totally backward compatible with 0.3.0 so if you've already migrated your code, you'll just need to update your dependency version.
Thanks and have a good day!