Technote (troubleshooting)
Problem(Abstract)
java.io.EOFException error keeps appearing in sftp adapter log on SSP
java.io.EOFException: The channel is closed
Symptom
java.io.EOFException error keeps appearing in sftp adapter log on SSP the following error is frequently appearing in the sftp adapter log on SSP:
ERROR [SSHD-TRANSFER-14] sys.ADAPTER.
DTU_SSP_SFTP_Adapter_Node1 - java.io.EOFException
com.maverick.ssh.SshException: java.io.EOFException
Caused by:
java.io.EOFException: The channel is closed
at com.maverick.ssh2.Ssh2Channel.b(Unknown Source)
... 16 more
Cause
java.io.EOFException: The channel is closed
at com.maverick.ssh2.Ssh2Channel.b(Unknown Source)
... 16 more
ERROR [SSHD-TRANSFER-4]
sys.ADAPTER.DTU_SSP_SFTP_Adapter_Node1 - protocol=sftp SSE2612
Sessionid 6D45835DAF4F4B87F29D2A588AF1E80690E1480A Login prevented
(account locked). User DTUEP767404117342099 Address
Environment
Sterling Secure Proxy 3.2.0
Diagnosing the problem
The error is caused by a failure in the handshake performed by the client, ensure that DEBUG is enabled on the Maverick log in the adapter and check for the errors when this user attempt to login.
Resolving the problem
It is caused by a 3rd party making multiple connections and they exceeded the maximum allowed of 5 for each customer. If a SFTP client attempts to exceed the connection limit the SSP SFTP Adapter will simply terminate the
session.
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