readAllBytes

[azeroth2b]

ure/src/main/java/ure/ui/RexFile.java

Line 45 in cac23dc

byte[] decompressed = gunzipStream.readAllBytes();

ReadAllBytes is introduced in Java9, Since you're already inluding Apache Commons IO, I think you can replace it with the following and avoid the Java9 Dependency.
byte[] decompressed = IOUtils.toByteArray(gunzipStream);