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Details

Type: Bug
Resolution: Fixed
Priority: Medium
Fix Version/s: 5.6.1
Affects Version/s: 5.3
Component/s: Repository (Git)
Labels:
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Bug Fix Policy:
View Atlassian Server bug fix policy

Description

Installed Bamboo version: 5.3 build 4101 - 10 Dec 13
Bamboo is configured with Git repositories using "git@host.name:REPO/name" Repository URL's
Remote Git repository runs gitolite on a Gentoo server
Previously, that Gentoo gitolite server ran OpenSSH_5.9p1-hpn13v11, OpenSSL 1.0.1e 11 Feb 2013 as it's sshd
After upgrading the net-misc/openssh package on that machine to openssh-6.4_p1-r1, bamboo cannot check out any repository contained on that machine, failing with this message:

2014-01-06 18:02:03,027 WARN [NioProcessor-1] [ClientSessionImpl] Exception caught
java.lang.IllegalStateException: Unsupported command: SSH_MSG_KEXINIT
        at org.apache.sshd.client.session.ClientSessionImpl.doHandleMessage(ClientSessionImpl.java:440)
        at org.apache.sshd.client.session.ClientSessionImpl.handleMessage(ClientSessionImpl.java:307)
        at org.apache.sshd.common.session.AbstractSession.decode(AbstractSession.java:566)
        at org.apache.sshd.common.session.AbstractSession.messageReceived(AbstractSession.java:236)
        at org.apache.sshd.common.AbstractSessionIoHandler.messageReceived(AbstractSessionIoHandler.java:58)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:716)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:796)
        at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:697)
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:651)
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:640)
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$600(AbstractPollingIoProcessor.java:67)
        at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1111)
        at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
2014-01-06 18:02:03,028 WARN [Connection monitoring thread - 9958077f-ce4f-4e46-9138-9fae93832b7b] [SshProxyCommand] While connecting to [git@host.name/host.ip.address:22]: Error opening exec channel
org.apache.sshd.common.SshException: Channel closed
        at org.apache.sshd.client.channel.AbstractClientChannel.close(AbstractClientChannel.java:90)
        at org.apache.sshd.common.session.AbstractSession.close(AbstractSession.java:314)
        at org.apache.sshd.client.session.ClientSessionImpl.close(ClientSessionImpl.java:301)
        at org.apache.sshd.common.session.AbstractSession.exceptionCaught(AbstractSession.java:276)
        at org.apache.sshd.common.AbstractSessionIoHandler.exceptionCaught(AbstractSessionIoHandler.java:50)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.exceptionCaught(DefaultIoFilterChain.java:697)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextExceptionCaught(DefaultIoFilterChain.java:483)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1100(DefaultIoFilterChain.java:46)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.exceptionCaught(DefaultIoFilterChain.java:791)
        at org.apache.mina.core.filterchain.IoFilterAdapter.exceptionCaught(IoFilterAdapter.java:111)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextExceptionCaught(DefaultIoFilterChain.java:483)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireExceptionCaught(DefaultIoFilterChain.java:471)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:437)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:796)
        at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:697)
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:651)
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:640)
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$600(AbstractPollingIoProcessor.java:67)
        at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1111)
        at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
2014-01-06 18:02:03,030 INFO [4-BAM::PlanExec:pool-7-thread-4] [RetryingTaskExecutor] Task 'Collecting changes for XXXX-YYY' was unsuccessful. Run 2 / 2. Exception thrown when running task 'Collecting changes for XXXX-YYY', with message: com.atlassian.bamboo.plugins.git.GitCommandException: command /usr/bin/git ls-remote ssh://9958077f-ce4f-4e46-9138-9fae93832b7b@127.0.0.1:56820/XXXX/ZZZZ failed with code 128. Working directory was [.]., stderr:
Error opening exec channel
stdout:
[BAMBOO-SSH-PROXY: [While connecting to [git@host.name/host.ip.address:22]: Error opening exec channel: Channel closed], fatal: The remote end hung up unexpectedly]
2014-01-06 18:02:03,030 ERROR [4-BAM::PlanExec:pool-7-thread-4] [RetryingTaskExecutor] Failed to run task 'Collecting changes for XXXX-YYY' after 2 attempts. Task was not executed.

This only occurs with Bamboo. Regular ssh and 'git ls-remote' commands from the CLI work as expected against the host.

After downgrading the remote OpenSSH server back to 5.9 all is fine once more.

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causes

BAM-14773 Bamboo sshd should be upgraded to the one that supports key renegotiation

Closed

is related to

BAM-14773 Bamboo sshd should be upgraded to the one that supports key renegotiation

Closed

BDEV-5690 Loading...

was cloned as: BDEV-4104 Loading...

Git checkout using SSH against OpenSSH_6.4p1-r1 breaks on Unsupported command: SSH_MSG_KEXINIT

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