Steve Loughran

I think we are going to have to explore this more. I've noticed during debugging work that the sdk has a policy "retry on all IOEs", which is why this...

1. Does this happen with any fs client other than the s3a one? 2. Does anyone know why it happens? 3. There's a pr up to turn off use of...

@ukby1234 thanks

where are we with this patch? can/should we get it into 3.3.5

spotbugs still unhappy. will have to explicitly exclude

test Failures are all in TestMRJobsWithProfiler, covered exactly in MAPREDUCE-7436 and therefore unrelated.

rbf compile failure is very much related ``` rbf: [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] /home/jenkins/jenkins-home/workspace/hadoop-multibranch_PR-4996/ubuntu-focal/src/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/protocolPB/RouterAdminProtocolTranslatorPB.java:[174,29] cannot find symbol symbol: variable ProtobufHelper location: class org.apache.hadoop.hdfs.protocolPB.RouterAdminProtocolTranslatorPB [INFO] 1 error [INFO]...

the failing tests are the usual "tests that fail"

tests are unrelated. # this pr is ready to go in, followed by one switching protobuf 2.5 to provided

@pjfanning thanks -reviewed all the javadocs and corrected any issues I could see, made sure everything had a doc and used MUST NOT USE in the class javadoc.