[ERROR] Tests run: 6, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.323 s <<< FAILURE! - in org.apache.hadoop.ozone.freon.TestContentGenerator
[ERROR] org.apache.hadoop.ozone.freon.TestContentGenerator.writeWithHsync Time elapsed: 0.294 s <<< ERROR!
java.lang.NullPointerException: Cannot read the array length because "this.buf" is null
at java.base/java.io.ByteArrayOutputStream.ensureCapacity(ByteArrayOutputStream.java:97)
at java.base/java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:130)
at org.apache.hadoop.ozone.freon.ContentGenerator.write(ContentGenerator.java:98)
at org.apache.hadoop.ozone.freon.TestContentGenerator.writeWithHsync(TestContentGenerator.java:113)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)