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masc edited comment on SSHD-786 at 12/11/17 1:43 PM: ----------------------------------------------------- and thanks for the recommendations, the ipv6 address also caught my eye, especially since ipv6 is not enabled on this server. I already added {{System.setProperty("java.net.preferIPv4Stack", "true")}} for our next test run and I will also try {{server.setHost("0.0.0.0");}} to see if it mitigates the issue. unfortunately it occurs fairly sporadically, there's no straight replication path. so it may take a while until the results are in. was (Author: masc3d): and thanks for the recommendations, the ipv6 address also caught my eye, especially since ipv6 is not enabled on this server. I already added {{ System.setProperty("java.net.preferIPv4Stack", "true")}} for our next test run and I will also try {{server.setHost("0.0.0.0");}} to see if it mitigates the issue. unfortunately it occurs fairly sporadically, there's no straight replication path. so it may take a while until the results are in. > Clients can't authenticate after unexpected exception in Nio2Acceptor > --------------------------------------------------------------------- > > Key: SSHD-786 > URL: https://issues.apache.org/jira/browse/SSHD-786 > Project: MINA SSHD > Issue Type: Bug > Affects Versions: 1.2.0, 1.3.0, 1.4.0, 1.6.0 > Environment: Windows > Reporter: masc > Assignee: Goldstein Lyor > > {code} > 2017-11-28 15:26:54,808 11566202 sshd-SshServer[434a2a10]-nio2-thread-4 > org.apache.sshd.common.io.nio2.Nio2Acceptor WARN - Caught IOException while > accepting incoming connection from /0:0:0:0:0:0:0:0:13003: The specified > network name is no longer available. > java.io.IOException: The specified network name is no longer available. > at sun.nio.ch.Iocp.translateErrorToIOException(Iocp.java:309) > at sun.nio.ch.Iocp.access$700(Iocp.java:46) > at sun.nio.ch.Iocp$EventHandlerTask.run(Iocp.java:399) > at java.lang.Thread.run(Thread.java:748) > {code} > As soon as this exception occurs once, clients can still connect but will > fail to authenticate. -- This message was sent by Atlassian JIRA (v6.4.14#64029)