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Karthik Palanisamy commented on HDFS-13875: ------------------------------------------- Cc: [~cnauroth] > EOFException log spam in Datanode > --------------------------------- > > Key: HDFS-13875 > URL: https://issues.apache.org/jira/browse/HDFS-13875 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs > Affects Versions: 3.0.0 > Reporter: Karthik Palanisamy > Assignee: Karthik Palanisamy > Priority: Minor > Attachments: HDFS-13875.001.patch > > > Ambari checks datanode liveness by simply connecting to data transfer port. > But this connection will be closed after a successful TCP handshake without > any data transfer. Due to which datanode encountered EOFExcetion when reading > an encrypted message from the closed socket. > This issue addressed in HDFS-9572. But not handled for encrypted data > transfer(SASL message). > {code:java} > java.io.EOFException > at java.io.DataInputStream.readInt(DataInputStream.java:392) > at > org.apache.hadoop.hdfs.protocol.datatransfer.sasl.SaslDataTransferServer.doSaslHandshake(SaslDataTransferServer.java:361) > at > org.apache.hadoop.hdfs.protocol.datatransfer.sasl.SaslDataTransferServer.getEncryptedStreams(SaslDataTransferServer.java:180) > at > org.apache.hadoop.hdfs.protocol.datatransfer.sasl.SaslDataTransferServer.receive(SaslDataTransferServer.java:112) > at > org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:194) > at java.lang.Thread.run(Thread.java:745) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org