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Till Rohrmann commented on FLINK-10683: --------------------------------------- Thanks for reporting this issue [~luyee]. Could you tell me which Flink version you are using? Could it be Flink {{1.3.x}}? If yes, does the same problem occurs with the latest Flink release {{1.6.1}}? > Error while executing BLOB connection. java.io.IOException: Unknown operation > ----------------------------------------------------------------------------- > > Key: FLINK-10683 > URL: https://issues.apache.org/jira/browse/FLINK-10683 > Project: Flink > Issue Type: Bug > Reporter: Yee > Priority: Major > > ERROR org.apache.flink.runtime.blob.BlobServerConnection - Error > while executing BLOB connection. > java.io.IOException: Unknown operation 5 > at > org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:136) > 2018-10-26 01:49:35,247 ERROR > org.apache.flink.runtime.blob.BlobServerConnection - Error while > executing BLOB connection. > java.io.IOException: Unknown operation 18 > at > org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:136) > 2018-10-26 01:49:35,550 ERROR > org.apache.flink.runtime.blob.BlobServerConnection - PUT operation > failed > java.io.IOException: Unknown type of BLOB addressing. > at > org.apache.flink.runtime.blob.BlobServerConnection.put(BlobServerConnection.java:347) > at > org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:127) > 2018-10-26 01:49:35,854 ERROR > org.apache.flink.runtime.blob.BlobServerConnection - Error while > executing BLOB connection. > java.io.IOException: Unknown operation 3 > at > org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:136) > 2018-10-26 01:49:36,159 ERROR > org.apache.flink.runtime.blob.BlobServerConnection - PUT operation > failed > java.io.IOException: Unexpected number of incoming bytes: 50353152 > at > org.apache.flink.runtime.blob.BlobServerConnection.put(BlobServerConnection.java:368) > at > org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:127) > 2018-10-26 01:49:36,463 ERROR > org.apache.flink.runtime.blob.BlobServerConnection - Error while > executing BLOB connection. > java.io.IOException: Unknown operation 105 > at > org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:136) > 2018-10-26 01:49:36,765 ERROR > org.apache.flink.runtime.blob.BlobServerConnection - Error while > executing BLOB connection. > java.io.IOException: Unknown operation 71 > at > org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:136) > 2018-10-26 01:49:37,069 ERROR > org.apache.flink.runtime.blob.BlobServerConnection - Error while > executing BLOB connection. > java.io.IOException: Unknown operation 128 > at > org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:136) > 2018-10-26 01:49:37,373 ERROR > org.apache.flink.runtime.blob.BlobServerConnection - PUT operation > failed > java.io.IOException: Unexpected number of incoming bytes: 4302592 > at > org.apache.flink.runtime.blob.BlobServerConnection.put(BlobServerConnection.java:368) > at > org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:127) > 2018-10-26 01:49:37,676 ERROR > org.apache.flink.runtime.blob.BlobServerConnection - Error while > executing BLOB connection. > java.io.IOException: Unknown operation 115 > at > org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:136) > 2018-10-26 01:49:37,980 ERROR > org.apache.flink.runtime.blob.BlobServerConnection - Error while > executing BLOB connection. > java.io.IOException: Unknown operation 71 > at > org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:136) -- This message was sent by Atlassian JIRA (v7.6.3#76005)