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https://issues.apache.org/jira/browse/HDFS-17625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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mukvin updated HDFS-17625:
--------------------------
Summary: libhdfspp: Failed to read expected SASL data transfer protection
handshake (was: Failed to read expected SASL data transfer protection
handshake)
> libhdfspp: Failed to read expected SASL data transfer protection handshake
> --------------------------------------------------------------------------
>
> Key: HDFS-17625
> URL: https://issues.apache.org/jira/browse/HDFS-17625
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.3.6
> Reporter: mukvin
> Priority: Blocker
>
> I using the libhdfspp to connect a secure (kerberos) hdfs.
> By the way, I was create this hdfs in a machine and only one namenode and one
> datanode.
> And I found that I can get the data correclty by command `hdfs dfs -cat
> /user/data.csv`.
> But If I using the libhdfspp/examples/cat to cat the /user/data.csv then the
> error is following:
> ```
> $./cat /user/test_tbl1.csv
> Error reading the file: Connection reset by peer
> [WARN ][BlockReader ][Fri Sep 13 20:57:02 2024][Thread id =
> 139632020002560][libhdfspp/lib/connection/datanodeconnection.h:50] Error
> disconnecting socket: shutdown() threwshutdown: Transport endpoint is not
> connected
> ```
> ```
> 2024-09-13 20:57:02,346 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
> Failed to read expected SASL data transfer protection handshake from client
> at /127.0.0.1:59037. Perhaps the client is running an older version of Hadoop
> which does not support SASL data transfer protection
> org.apache.hadoop.hdfs.protocol.datatransfer.sasl.InvalidMagicNumberException:
> Received 1c51a1 instead of deadbeef from client.
> at
> org.apache.hadoop.hdfs.protocol.datatransfer.sasl.SaslDataTransferServer.doSaslHandshake(SaslDataTransferServer.java:374)
> at
> org.apache.hadoop.hdfs.protocol.datatransfer.sasl.SaslDataTransferServer.getSaslStreams(SaslDataTransferServer.java:308)
> at
> org.apache.hadoop.hdfs.protocol.datatransfer.sasl.SaslDataTransferServer.receive(SaslDataTransferServer.java:135)
> at
> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:236)
> at java.lang.Thread.run(Thread.java:750)
> ```
> and hdfs-site.xml
> ```
> $ cat hdfs-site.xml
> <configuration>
> <property>
> <name>dfs.namenode.rpc-address</name>
> <value>0.0.0.0:8020</value>
> </property>
> <property>
> <name>dfs.replication</name>
> <value>1</value>
> </property>
> <property>
> <name>dfs.block.access.token.enable</name>
> <value>true</value>
> </property>
> <property>
> <name>dfs.namenode.keytab.file</name>
> <value>/data/1/hadoop-kerberos/keytabs/hdfs.keytab</value>
> </property>
> <property>
> <name>dfs.namenode.kerberos.principal</name>
> <value>hdfs/had...@xxx.com</value>
> </property>
> <property>
> <name>dfs.namenode.kerberos.https.principal</name>
> <value>hdfs/had...@xxx.com</value>
> </property>
> <property>
> <name>dfs.secondary.namenode.keytab.file</name>
> <value>/data/1/hadoop-kerberos/keytabs/hdfs.keytab</value>
> </property>
> <property>
> <name>dfs.secondary.namenode.kerberos.principal</name>
> <value>hdfs/had...@xxx.com</value>
> </property>
> <property>
> <name>dfs.secondary.namenode.kerberos.https.principal</name>
> <value>hdfs/had...@xxx.com</value>
> </property>
> <property>
> <name>dfs.datanode.data.dir.perm</name>
> <value>700</value>
> </property>
> <property>
> <name>dfs.datanode.keytab.file</name>
> <value>/data/1/hadoop-kerberos/keytabs/hdfs.keytab</value>
> </property>
> <property>
> <name>dfs.datanode.kerberos.principal</name>
> <value>hdfs/had...@xxx.com</value>
> </property>
> <property>
> <name>dfs.datanode.kerberos.https.principal</name>
> <value>hdfs/had...@xxx.com</value>
> </property>
> <property>
> <name>dfs.encrypt.data.transfer</name>
> <value>false</value>
> </property>
> <property>
> <name>dfs.data.transfer.protection</name>
> <value>integrity</value>
> </property>
> <property>
> <name>dfs.http.policy</name>
> <value>HTTPS_ONLY</value>
> </property>
> <property>
> <name>dfs.datanode.address</name>
> <value>0.0.0.0:61004</value>
> </property>
> <property>
> <name>dfs.datanode.http.address</name>
> <value>0.0.0.0:61006</value>
> </property>
> <property>
> <name>dfs.datanode.https.address</name>
> <value>0.0.0.0:61010</value>
> </property>
>
> <!-- extra added -->
> <property>
> <name>dfs.client.https.need-auth</name>
> <value>false</value>
> </property>
> </configuration>
> ```
> and core-site.xml
> ```
> $ cat core-site.xml
> <configuration>
> <property><name>fs.default.name</name><value>hdfs://0.0.0.0</value></property>
> <property><name>fs.defaultFS</name><value>hdfs://0.0.0.0</value></property>
> <property><name>hadoop.tmp.dir</name><value>/data/1/hadoop-kerberos/temp_data/336</value></property>
> <property><name>hadoop.security.authentication</name><value>kerberos</value></property>
> <property><name>hadoop.security.authorization</name><value>true</value></property>
> </configuration>
> ```
> Can anyone help, pls.
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