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Re: [ptp-user] "Auth fail" when attempting to open connections 
Hi John,
Thanks for your suggestions. Unfortunately I've already tried both already and forgot to mention them: ssh using the Linux ssh client works fine, and I've tried recreating connections within Eclipse a handful of times to no avail.
This failure occurs for every connection that needs to use the gssapi-with-mic authentication method. I'm able to successfully create & use Eclipse connections with (for instance) public key-based authentication, however. 

-Jeremy

On 12/04/2015 12:00 PM, John Eblen wrote:

Hi

I can only offer some general advice. Check that you can still connect
to the remote outside of Eclipse to rule out
an authentic authentication problem. If that works, try creating a new
connection inside Eclipse.

Does this same failure happen for other connections or just a single one?


Good luck
John

On Thu, Dec 3, 2015 at 3:19 PM, Jeremy Wolcott <jeremy.wolcott@xxxxxxxxx
<mailto:jeremy.wolcott@xxxxxxxxx>> wrote:

    Hello,

    I've been enjoying the "synchronized project" functionality in PTP
    as it is the only way I can productively use Eclipse to work on code
    bases that need to be compiled and run on centrally-hosted servers.
    I've been using it successfully for the last month or two.

    However, in the last few days, I've all of a sudden started getting
    "Auth fail" errors when I attempt to synchronize and/or open
    connections that previously worked without incident.  (The full
    error text from <workspace>/.metadata/.log is pasted below this
    message.)  This happens basically every time and (unfortunately)
    renders Eclipse useless to me again.

    This is coincident with -- and maybe caused by -- a recent update to
    Java that was pushed to me by my OS a few days ago: from OpenJDK
    7u85 to 7u91.

    Unfortunately "Auth fail" is so vague as to be of no help to me at
    all in trying to diagnose what's actually wrong.  Some details:

      * OS: Ubuntu 14.04
      * Java: (as noted above) OpenJDK 7, though I also tried Oracle
    Java 1.7.0_80 with the same results
      * Connection: via SSH using Kerberos (gssapi-with-mic) authentication

    Can anyone offer advice as to how I can try to track down what the
    underlying problem is?

    Thanks!

    -Jeremy

    ========= excerpt from <workspace>/.metadata/.log below ===========

    !ENTRY org.eclipse.ptp.rdt.sync.ui 4 4 2015-12-03 15:01:18.842
    !MESSAGE Error
    !STACK 1
    org.eclipse.ptp.rdt.sync.core.exceptions.RemoteSyncException:
    org.eclipse.ptp.rdt.sync.core.exceptions.RemoteExecutionException: or
    g.eclipse.remote.core.exception.RemoteConnectionException: Auth fail
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.GitRepo.getRemoteGitVersion(GitRepo.java:454)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.GitRepo.<init>(GitRepo.java:81)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.GitSyncService.getGitRepo(GitSyncService.java:279)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.GitSyncService.doSync(GitSyncService.java:610)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.GitSyncService.synchronize(GitSyncService.java:529)
             at
    org.eclipse.ptp.rdt.sync.core.SyncManager$SynchronizeJob.run(SyncManager.java:79)
             at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
    Caused by:
    org.eclipse.ptp.rdt.sync.core.exceptions.RemoteExecutionException:
    org.eclipse.remote.core.exception.RemoteConnectionException: Auth fail
             ... 7 more
    Caused by:
    org.eclipse.remote.core.exception.RemoteConnectionException: Auth fail
             at
    org.eclipse.remote.internal.jsch.core.JSchConnection.newSession(JSchConnection.java:928)
             at
    org.eclipse.remote.internal.jsch.core.JSchConnection.open(JSchConnection.java:966)
             at
    org.eclipse.remote.internal.jsch.core.JSchConnection.open(JSchConnection.java:939)
             at
    org.eclipse.remote.internal.core.RemoteConnection.open(RemoteConnection.java:208)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.CommandRunner.executeRemoteCommand(CommandRunner.java:242)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.CommandRunner.executeRemoteCommand(CommandRunner.java:214)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.GitRepo.getRemoteGitVersion(GitRepo.java:450)
             ... 6 more
    !SUBENTRY 1 org.eclipse.ptp.rdt.sync.git.core 4 0 2015-12-03
    15:01:18.843
    !MESSAGE
    org.eclipse.ptp.rdt.sync.core.exceptions.RemoteExecutionException:
    org.eclipse.remote.core.exception.RemoteConnectionExcep
    tion: Auth fail
    !STACK 0
    org.eclipse.ptp.rdt.sync.core.exceptions.RemoteExecutionException:
    org.eclipse.remote.core.exception.RemoteConnectionException: Auth fail
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.GitRepo.getRemoteGitVersion(GitRepo.java:454)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.GitRepo.<init>(GitRepo.java:81)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.GitSyncService.getGitRepo(GitSyncService.java:279)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.GitSyncService.doSync(GitSyncService.java:610)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.GitSyncService.synchronize(GitSyncService.java:529)
             at
    org.eclipse.ptp.rdt.sync.core.SyncManager$SynchronizeJob.run(SyncManager.java:79)
             at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
    Caused by:
    org.eclipse.remote.core.exception.RemoteConnectionException: Auth fail
             at
    org.eclipse.remote.internal.jsch.core.JSchConnection.newSession(JSchConnection.java:928)
             at
    org.eclipse.remote.internal.jsch.core.JSchConnection.open(JSchConnection.java:966)
             at
    org.eclipse.remote.internal.jsch.core.JSchConnection.open(JSchConnection.java:939)
             at
    org.eclipse.remote.internal.core.RemoteConnection.open(RemoteConnection.java:208)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.CommandRunner.executeRemoteCommand(CommandRunner.java:242)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.CommandRunner.executeRemoteCommand(CommandRunner.java:214)
             at
    org.eclipse.ptp.internal.rdt.sync.git.core.GitRepo.getRemoteGitVersion(GitRepo.java:450)
             ... 6 more
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