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ASF GitHub Bot logged work on HDFS-16632: ----------------------------------------- Author: ASF GitHub Bot Created on: 16/Jun/22 04:24 Start Date: 16/Jun/22 04:24 Worklog Time Spent: 10m Work Description: jojochuang commented on PR #4185: URL: https://github.com/apache/hadoop/pull/4185#issuecomment-1157216878 There are tons of WARNING in the ctest output. Would you check if it's related at all? https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4185/1/artifact/out/patch-hadoop-hdfs-project_hadoop-hdfs-native-client-ctest.txt Issue Time Tracking ------------------- Worklog Id: (was: 781910) Remaining Estimate: 503h 40m (was: 503h 50m) Time Spent: 20m (was: 10m) > java.io.IOException: Version Mismatch (Expected: 28, Received: 520 ) > -------------------------------------------------------------------- > > Key: HDFS-16632 > URL: https://issues.apache.org/jira/browse/HDFS-16632 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs++, native > Affects Versions: 3.3.0, 3.3.1, 3.2.3, 3.3.2 > Environment: NAME="openEuler" > VERSION="20.03 (LTS-SP1)" > ID="openEuler" > VERSION_ID="20.03" > Reporter: cnnc > Priority: Major > Labels: libhdfs, libhdfscpp, pull-request-available > Attachments: test1M.cpp > > Original Estimate: 504h > Time Spent: 20m > Remaining Estimate: 503h 40m > > read 1M bytes from hdfs with libhdfspp, and the datanode-server report an > error like: > > 2022-04-12 20:10:21,872 ERROR > org.apache.hadoop.hdfs.server.datanode.DataNode: server1:9866:DataXceiver > error processing READ_BLOCK operation src: /90.90.43.114:47956 dst: > /90.90.43.114:9866 > java.io.IOException: Version Mismatch (Expected: 28, Received: 520 ) > at > org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.readOp(Receiver.java:74) > at > org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:269) > at java.lang.Thread.run(Thread.java:748) > 2022-04-12 20:13:27,615 ERROR > org.apache.hadoop.hdfs.server.datanode.DataNode: server1:9866:DataXceiver > error processing READ_BLOCK operation src: /90.90.43.114:48142 dst: > /90.90.43.114:9866 > java.io.IOException: Version Mismatch (Expected: 28, Received: 520 ) > at > org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.readOp(Receiver.java:74) > at > org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:269) > at java.lang.Thread.run(Thread.java:748) > > > (1) compile test1M.cpp ,using command: > g++ test1M.cpp -lprotobuf -lhdfspp_static -lhdfs -lpthread -lsasl2 -lcrypto > -llz4 -I./ -L./ -o test1M > > (2)and execute test1M with: > ./test1M REAL_HDFS_FILE_PATH > > (3) check hadoop logs and you will find erro info like : > java.io.IOException: Version Mismatch (Expected: 28, Received: 520 ) > at > org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.readOp(Receiver.java:74) > at > org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:269) > at java.lang.Thread.run(Thread.java:748) > > > > -- This message was sent by Atlassian Jira (v8.20.7#820007) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org