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Bug
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Resolution: Fixed
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Major
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None
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Java:
java version "1.7.0_71"
OpenJDK Runtime Environment (IcedTea 2.5.3) (Arch Linux build 7.u71_2.5.3-1-x86_64)
OpenJDK 64-Bit Server VM (build 24.65-b04, mixed mode)
Jenkins: 1.577
SSH Plugin: 2.4 (2.3)
Cannot create connection to server with OpenSSH_6.7p1, OpenSSL 1.0.1j 15 Oct 2014. In configuration page it just say cannot connect to server.
With openssh 6.6 all works fine.
Trying to run something on that server:
[SSH] Exception:Algorithm negotiation fail
com.jcraft.jsch.JSchException: Algorithm negotiation fail
at com.jcraft.jsch.Session.receive_kexinit(Session.java:520)
at com.jcraft.jsch.Session.connect(Session.java:286)
at com.jcraft.jsch.Session.connect(Session.java:150)
at org.jvnet.hudson.plugins.SSHSite.createSession(SSHSite.java:118)
at org.jvnet.hudson.plugins.SSHSite.executeCommand(SSHSite.java:128)
at org.jvnet.hudson.plugins.SSHBuilder.perform(SSHBuilder.java:60)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:770)
at hudson.model.Build$BuildExecution.build(Build.java:199)
at hudson.model.Build$BuildExecution.doRun(Build.java:160)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:533)
at hudson.model.Run.execute(Run.java:1740)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:89)
at hudson.model.Executor.run(Executor.java:240)
Build step 'Execute shell script on remote host using ssh' marked build as failure
ngrep also says that "Algorithm negotiation" is the problem:
T 192.168.20.186:49916 -> 192.168.20.188:22 [AP] SSH-2.0-JSCH-0.1.42. T 192.168.20.188:22 -> 192.168.20.186:49916 [AP] SSH-2.0-OpenSSH_6.7.. T 192.168.20.186:49916 -> 192.168.20.188:22 [AP] ........^..gco..Z.$A.....=diffie-hellman-group1-sha1,diffie-hellman-group-exchange-sha1....ssh-rsa,ssh-dss...Jaes128-ctr,aes128 -cbc,3des-ctr,3des-cbc,blowfish-cbc,aes192-cbc,aes256-cbc...Jaes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc,aes192-cbc,ae s256-cbc...+hmac-md5,hmac-sha1,hmac-sha1-96,hmac-md5-96...+hmac-md5,hmac-sha1,hmac-sha1-96,hmac-md5-96....none....none......... ....H..(.4d.Qy...eV T 192.168.20.188:22 -> 192.168.20.186:49916 [AP] ......o[.o2...d...@..z....curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman- group-exchange-sha256,diffie-hellman-group14-sha1.../ssh-rsa,ssh-dss,ecdsa-sha2-nistp256,ssh-ed25519...laes128-ctr,aes192-ctr,a es256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com...laes128-ctr,aes192-ctr,aes256-ctr,aes12 8-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com....umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac -sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac -sha2-256,hmac-sha2-512,hmac-sha1....umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-5 12-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1.... none,zlib@openssh.com....none,zlib@openssh.com................. T 192.168.20.186:49916 -> 192.168.20.188:22 [AP] ...T.........9com.jcraft.jsch.JSchException: Algorithm negotiation fail....enl....;R]7..
- is duplicated by
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JENKINS-25412 Update JSch to 0.1.49
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- Open
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