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http://jira.codehaus.org/browse/MNG-4241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=183695#action_183695
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Benjamin Bentmann commented on MNG-4241:
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Interesting, I experienced the same error today while deploying a site to
people.apache.org with Maven 2.0.10. However, both Maven 2.1.0 and 2.2.0 worked
there.
> Upgrade JCraft to v0.1.42
> -------------------------
>
> Key: MNG-4241
> URL: http://jira.codehaus.org/browse/MNG-4241
> Project: Maven 2
> Issue Type: Bug
> Components: General
> Affects Versions: 2.2.0
> Reporter: Serg Maslyukov (http://webmill.askmore.info)
>
> My provider HostGator.com update OpenSSH to latest version and when I try
> connect via scp I get an error;
> Caused by: org.apache.maven.wagon.authentication.AuthenticationException:
> Cannot connect. Reason: Algorithm negotiation fail
> at
> org.apache.maven.wagon.providers.ssh.jsch.AbstractJschWagon.openConnectionInternal(AbstractJschWagon.java:264)
> at
> org.apache.maven.wagon.AbstractWagon.openConnection(AbstractWagon.java:105)
> at
> org.apache.maven.wagon.AbstractWagon.connect(AbstractWagon.java:207)
> at
> org.apache.maven.wagon.AbstractWagon.connect(AbstractWagon.java:142)
> at
> org.apache.maven.plugins.site.SiteDeployMojo.execute(SiteDeployMojo.java:184)
> ... 19 more
> Caused by: com.jcraft.jsch.JSchException: Algorithm negotiation fail
> at com.jcraft.jsch.Session.receive_kexinit(Session.java:506)
> at com.jcraft.jsch.Session.connect(Session.java:285)
> at com.jcraft.jsch.Session.connect(Session.java:149)
> at
> org.apache.maven.wagon.providers.ssh.jsch.AbstractJschWagon.openConnectionInternal(AbstractJschWagon.java:236)
> ... 23 more
> This errro exist because Maven 2.2.0 used JCraft v0.1.38.
> I manually replace old version of JCraft to latest v0.1.42 and now all work
> fine.
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