I'm having trouble launching an ssh slave and I am hoping someone can help
me out.
I have a slave configured which fails to launch due to a permission error.
I will paste the error below.
So far I have verified that I am able to ssh and scp to the slave machine
from the jenkins master as the user making the call with the correct key.
It appears that jenkins is also able to get that far and then fails
creating a directory. I am able to scp files to that directory as the same
user. How does this plugin copy the slave jar? I looked at the sftpClient
code and I don't quite understand what is happening. Does the master ssh
to the slave and then launch an sftp request to itself to write the file?
Here is the exception:
[09/30/14 21:06:06] [SSH] Checking java version of java
[09/30/14 21:06:06] [SSH] java -version returned 1.7.0_67.
[09/30/14 21:06:06] [SSH] Starting sftp client.
[09/30/14 21:06:06] [SSH] Remote file system root /mnt/jenkins does not exist.
Will try to create it...
hudson.util.IOException2: Could not copy slave.jar into '/mnt/jenkins' on slave
at
hudson.plugins.sshslaves.SSHLauncher.copySlaveJar(SSHLauncher.java:921)
at hudson.plugins.sshslaves.SSHLauncher.launch(SSHLauncher.java:596)
at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:232)
at
jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: hudson.util.IOException2: Failed to mkdir /mnt/jenkins
at hudson.plugins.sshslaves.SFTPClient.mkdirs(SFTPClient.java:85)
at
hudson.plugins.sshslaves.SSHLauncher.copySlaveJar(SSHLauncher.java:893)
... 7 more
Caused by: com.trilead.ssh2.SFTPException: Permission denied
(SSH_FX_PERMISSION_DENIED: The user does not have sufficient permissions to
perform the operation.)
at
com.trilead.ssh2.SFTPv3Client.expectStatusOKMessage(SFTPv3Client.java:555)
at com.trilead.ssh2.SFTPv3Client.mkdir(SFTPv3Client.java:955)
at hudson.plugins.sshslaves.SFTPClient.mkdirs(SFTPClient.java:83)
... 8 more
[09/30/14 21:06:06] [SSH] Connection closed.
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