I am getting a Transport Exception - reject HostKey: bitbucket.org

Anthony Cavanagh December 14, 2021

I would like to know what causes this exception. Why would a HostKey be rejected. And is a Access Key to an individual repository a hostKey.

I created a key using ssh-keygen -m pem -t rsa -b 4096. I added this key to AccessKey. The key is in the format "ssh-rsa *******************== tony@LAPTOP-XXXXXX"

Is this the correct format for a Access Key

2 answers

0 votes
Anthony Cavanagh December 15, 2021

Thank you I am still getting 

Caused by: com.jcraft.jsch.JSchException: failed to send channel request
at com.jcraft.jsch.Request.write(Request.java:65) ~[jsch-0.1.55.jar:na]
at com.jcraft.jsch.RequestEnv.request(RequestEnv.java:52) ~[jsch-0.1.55.jar:na]
at com.jcraft.jsch.ChannelSession.sendRequests(ChannelSession.java:222) ~[jsch-0.1.55.jar:na]
at com.jcraft.jsch.ChannelExec.start(ChannelExec.java:41) ~[jsch-0.1.55.jar:na]
at com.jcraft.jsch.Channel.connect(Channel.java:152) ~[jsch-0.1.55.jar:na] 

Ok I am on windows 10. I am using a windows command prompt to generate the key

I use ssh-keygen -m pem -t rsa -b 4096 to generate the key.

Then I open the key in notepad plus and copy it to bitbucket. repository/repository settings AccessKey. The Key I give the name rsh-key-1

 

I will give you the key its as I will regenerate a new one and remove this

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQDKYzSS6EyvcXQUPEW2ngOMLp8DQobRqyHXbLNmxVciy5upNH3R9FNsp/NeCYVaD2qU5Clt9L/zfJeoOOlrM3c6UvneOATReA9sMrzg31KGtWfuWjTtdDiWz1wImej/zmpzuO0jK0mqKyAsKNwoyxmHKgGsdP2FWjPQdqnrBoBytRGA4uLNKfXDQaOyL0v/IJyPE9qWW1irNg970DjaUIIi2+qdJNC2WvEgo0MDRhWcQLs4SFhoFv95uO3PABhjx0QlCCvogEXM44C9SFUsl48j+YAuP47hjAxrbGQSOwFHmr9hD+i2dOHmdcGEJHLRrokR7zECRqLlIeei7gb9JiMEW3O3ZNjil4i3zEifKATi0/mp/ve7WsIDzwz3Ygu0jKZNP+kVgGLW7LR6WnWm5OM3qZtv6UPWfK/7NfRUbGfEjBpQgqYj6u0SwhtBucS9BKWrX6WBHlCZgbYAFXfGUe8iQFACJi3uj+Zj3d0QDzwVH0pZ7aQ43rnVn1f/zqcmHLSsjp2h5liJ1VG1ApWxLwU2qDchvUrO0CHFIh3HUt91uK8jm1G7CDlsPQVv4vPtzv02B2JNO20l5JSernYGuC2pXMp6epqABA3wCX+c1Vm+9nhM4/8+U+fZcJQ7vf1DybGdSV+VYDBcH/k9hNXMnBjkAJezLZuVXMZW52FJFG7fAQ== @yname@LAPTOP-8XX05XXX

 

What does the error failed to send channel request mean. I am trying to connect to this bucket from another application called Spring cloud config server.  Which contains a private key that matches to the key I have put in Access Key 

The private key is generated as 

-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,1BAE92E64C13CCB60BC3C8FAF6354195
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Y+r6kysPavhT3wVCQdi8kezOMeivDsh6D4O5+5SAHKpuggqSxdPP9RQtjdMyM2dB
Nx8QTyM9EVq20GjXnyxLGEZa2CQodB0pvU1Uiaowm880Y8Xy4MH/Nk01yxE+w1lU
MV5P77lrSSNAAP8b3FWjvLH3Vxfh4aYoXKsGfiCW75ATgvVuDIC3+DBRaBXb3PRA
c/Btl+jgvWaZ2RkK4iAhOZbaO8vGeLJgdy17amG27tP9eMAUMoaA/tC5aOWCf0DB
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Zj2UTCeU7Fng5y896KWUag+4ruo1/VktO+LEw4sdUXHgFOGXWbYO55EeEHbhay/b
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mbEf7ydEY7nf31iiJ7E9zj/+XxXjm5eo0piSBdCxZLzJ/aeJyu3ztdkl3wPp8ju3
JN7hQuLpw1Ukl5JzBcLioFx6pAy9qa66xQzw24BDMMOgAnl5VcID7Enqelleujvm
AWnQvViMM8vOwp7p8xz66zhqCjp17lY79J6GR6BA1wf/ZW6GgeH0YFqdoIhqj3+9
PVlCDi7u/HxsHLvNoo3AqcdUMfcujtByHvUBxHL3EEZCvVZdSsHD+CvIFoQ5xtY2
7qiJjtUnlAlciMAqHLI7Qu1xo7PX60Uh57MynYqNpvzGdnnY540R60BA3aBPL+H1
hiEOlRXQPzOJe4PbUTnk5wvspV96UL8w3FXYyHdQVUOB2a9wrK0QFr78XvAjzjuT
NiUSLNhNkM8feOYEY1mONgzYTkOHiMBM6/WgR9eir7cjvTH0wGYREnzeGtSWqpio
bRh3G8xG/p4oMlf+P4xOwhaHXWXCf/p6WpGDjdCbmFnyJcCKWoXho37fOR8lbHJ/
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2wXvNo3ym0x2yQVgiYXaT29zfU3XNRAXqjWGaC+KGN1FgkA6NnuGSnTjEIBkSj/N
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lpWZ7L9Sc4RI8whq5QLdc/6B6ikoGac9mfmN0pxeQWM4iNtq9BCiQT+lGdSXv0FH
h0lN9VruSiEUR1zhLIMx/mqIWqWVCwWH7O5zMyR1hWmXMMMofxQV8pM++iPAMhcT
X2F5GCwc+4HCGPbIeoZxxxfuN7qNI3KWwOsgFGd4rXVonR3QNuKbdWDd7bU06OWa
-----END RSA PRIVATE KEY-----

0 votes
Norbert C
Atlassian Team
Atlassian Team members are employees working across the company in a wide variety of roles.
December 15, 2021

Hi Anthony,

Thank you for contacting Atlassian Community! I'm Norbert from Bitbucket Cloud Support, it's nice to meet you! Also, welcome to the Atlassian Community :)

I would like to inform you when I've generated an SSH key the following way, I was able to add it as an access key under my Bitbucket Cloud repository:

ssh-keygen -m pem -t rsa -b 4096

I suspect what may have happened is that when you copy/pasted the key from your terminal window it might have copied the SSH key with additional enter.

Can I ask you to first copy this key to a notepad and inspect the public key whether if it contains an additional new line(s) or not? In case there are new lines, can I ask you to remove the new lines and convert the key into one-line? 

Please let me know how it goes, Anthony, we're here to help.

Best Regards,
Norbert
Atlassian Bitbucket Cloud Support

Anthony Cavanagh December 15, 2021

More information 

021-12-15 22:19:19.907 INFO 32012 --- [nio-8888-exec-1] o.s.web.servlet.DispatcherServlet : Completed initialization in 1 ms
2021-12-15 22:19:22.192 WARN 32012 --- [nio-8888-exec-1] .c.s.e.MultipleJGitEnvironmentRepository : Error occured cloning to base directory.

org.eclipse.jgit.api.errors.TransportException: git@bitbucket.org:tcavanagh/h-fetcher-cpnfig.git: failed to send channel request

 

Caused by: com.jcraft.jsch.JSchException: failed to send channel request
at com.jcraft.jsch.Request.write(Request.java:65) ~[jsch-0.1.55.jar:na]
at com.jcraft.jsch.RequestEnv.request(RequestEnv.java:52) ~[jsch-0.1.55.jar:na]
at com.jcraft.jsch.ChannelSession.sendRequests(ChannelSession.java:222) ~[jsch-0.1.55.jar:na]
at com.jcraft.jsch.ChannelExec.start(ChannelExec.java:41) ~[jsch-0.1.55.jar:na]
at com.jcraft.jsch.Channel.connect(Channel.java:152) ~[jsch-0.1.55.jar:na] 

Ok I am on windows 10. I am using a windows command prompt to generate the key

I use ssh-keygen -m pem -t rsa -b 4096 to generate the key.

Then I open the key in notepad plus and copy it to bitbucket. repository/repository settings AccessKey. The Key I give the name rsh-key-1

 

I will give you the key its as I will regenerate a new one and remove this

ssh-rsa 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 @yname@LAPTOP-8XX05XXX

 

What does the error failed to send channel request mean. I am trying to connect to this bucket from another application called Spring cloud config server.  Which contains a private key that matches to the key I have put in Access Key 

The private key is generated as 

-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,1BAE92E64C13CCB60BC3C8FAF6354195

A6w98hn+zx4QGuvfzXusgGdFYPruL6F+5ub9LErvTB/EC5vm8jG8dGpwwUxwrA30
tq1x6hWNFqbz09wovV5cuncMkshZEy8fV/8aZ8FHwu5gO23OY22N0nkus2IzcOzB
TcN575f53h5092h+e3gSI15OaPuximy65xY8WkLgcF65PXbegmN43FKyKctHmIn/
VCSBGc1MxYg421/Dr/Trm3q1TL5ytvYkajU09s4QsEyLb0TmyCJydcYv108uHXmE
Mr9ZtzAcujnhBvgDmFOQz9tnmv40EztSXA/ITIQkVROKiuN6Ns3IP66LJydrZGDj
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lpWZ7L9Sc4RI8whq5QLdc/6B6ikoGac9mfmN0pxeQWM4iNtq9BCiQT+lGdSXv0FH
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X2F5GCwc+4HCGPbIeoZxxxfuN7qNI3KWwOsgFGd4rXVonR3QNuKbdWDd7bU06OWa
-----END RSA PRIVATE KEY-----

Norbert C
Atlassian Team
Atlassian Team members are employees working across the company in a wide variety of roles.
December 20, 2021

Hi Anthony,

Thank you for your reply. The error message that you mentioned seems to be specific to Spring Cloud application. Unfortunately I don't have any knowledge of this application, but it seems like your application is not able to connect to Bitbucket Cloud:

org.eclipse.jgit.api.errors.TransportException: git@bitbucket.org:tcavanagh/h-fetcher-cpnfig.git: failed to send channel request

 Caused by: com.jcraft.jsch.JSchException: failed to send channel request
at com.jcraft.jsch.Request.write(Request.java:65) ~[jsch-0.1.55.jar:na]
at com.jcraft.jsch.RequestEnv.request(RequestEnv.java:52) ~[jsch-0.1.55.jar:na]
at com.jcraft.jsch.ChannelSession.sendRequests(ChannelSession.java:222) ~[jsch-0.1.55.jar:na]
at com.jcraft.jsch.ChannelExec.start(ChannelExec.java:41) ~[jsch-0.1.55.jar:na]
at com.jcraft.jsch.Channel.connect(Channel.java:152) ~[jsch-0.1.55.jar:na] 

I would like to ask if you could try to clone this repository from the same computer where Spring Cloud is hosted using the same SSH key pair? This way we could double-check whether if your host or only Spring Cloud is not able to connect.

Please let me know.

Best Regards,
Norbert
Atlassian Bitbucket Cloud Support

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