Exception in deploy-file when uploading artifact with different owner for 
maven-metadata.xml
--------------------------------------------------------------------------------------------

                 Key: MDEPLOY-87
                 URL: http://jira.codehaus.org/browse/MDEPLOY-87
             Project: Maven 2.x Deploy Plugin
          Issue Type: Bug
    Affects Versions: 2.4
            Reporter: HÃ¥vard Wigtil


We have a case with several persons uploading to an internal repository (for 
our closed-source dependencies). Each person uses a his own user account for 
uploading, and a common group for all files. So we have a situation where 
artifact com.agroup:anartifact was first uploaded in version 2.0 by a user, and 
when  another user tries to upload version 2.5 we get a 
LifecycleExecutionException with the message "Error while deploying metadata" 
(full stack trace provided below).

It seems this happens because the SSH provider tries to chown a file created by 
a different user. All the files are writable by group, so there should be no 
need for the chmod. The best work-around we have found so far is that a server 
administrator has to chown maven-metadata.xml* to the user that will do the 
upload.

Stack trace:
[INFO] Uploading repository metadata for: 'artifact com.agroup:anartifact'
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Error installing artifact's metadata: Error while deploying metadata: 
Error occured while deploying 'com/agroup/anartifact/maven-metadata.xml' to 
remote repository: sftp://internalserver/maven2repository/external

[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.lifecycle.LifecycleExecutionException: Error installing 
artifact's metadata: Error while deploying metadata: Error occured while 
deploying 'com/agroup/anartifact/maven-metadata.xml' to remote repository: 
sftp://internalserver/maven2repository/external
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:583)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:512)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:482)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:330)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:227)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:142)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:287)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
        at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: org.apache.maven.plugin.MojoExecutionException: Error installing 
artifact's metadata: Error while deploying metadata: Error occured while 
deploying 'com/agroup/anartifact/maven-metadata.xml' to remote repository: 
sftp://internalserver/maven2repository/external
        at 
org.apache.maven.plugin.deploy.DeployFileMojo.execute(DeployFileMojo.java:244)
        at 
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:451)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:558)
        ... 16 more
Caused by: org.apache.maven.artifact.deployer.ArtifactDeploymentException: 
Error installing artifact's metadata: Error while deploying metadata: Error 
occured while deploying 'com/agroup/anartifact/maven-metadata.xml' to remote 
repository: sftp://internalserver/maven2repository/external
        at 
org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy(DefaultArtifactDeployer.java:102)
        at 
org.apache.maven.plugin.deploy.DeployFileMojo.execute(DeployFileMojo.java:240)
        ... 18 more
Caused by: 
org.apache.maven.artifact.repository.metadata.RepositoryMetadataDeploymentException:
 Error while deploying metadata: Error occured while deploying 
'com/agroup/anartifact/maven-metadata.xml' to remote repository: 
sftp://internalserver/maven2repository/external
        at 
org.apache.maven.artifact.repository.metadata.DefaultRepositoryMetadataManager.deploy(DefaultRepositoryMetadataManager.java:450)
        at 
org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy(DefaultArtifactDeployer.java:86)
        ... 19 more
Caused by: org.apache.maven.wagon.TransferFailedException: Error occured while 
deploying 'com/agroup/anartifact/maven-metadata.xml' to remote repository: 
sftp://internalserver/maven2repository/external
        at 
org.apache.maven.wagon.providers.ssh.jsch.SftpWagon.put(SftpWagon.java:104)
        at 
org.apache.maven.wagon.providers.ssh.jsch.SftpWagon.put(SftpWagon.java:291)
        at 
org.apache.maven.artifact.manager.DefaultWagonManager.putRemoteFile(DefaultWagonManager.java:244)
        at 
org.apache.maven.artifact.manager.DefaultWagonManager.putArtifactMetadata(DefaultWagonManager.java:169)
        at 
org.apache.maven.artifact.repository.metadata.DefaultRepositoryMetadataManager.deploy(DefaultRepositoryMetadataManager.java:446)
        ... 20 more
Caused by: 3: Permission denied
        at com.jcraft.jsch.ChannelSftp.throwStatusError(Unknown Source)
        at com.jcraft.jsch.ChannelSftp._setStat(Unknown Source)
        at com.jcraft.jsch.ChannelSftp.chmod(Unknown Source)
        at 
org.apache.maven.wagon.providers.ssh.jsch.SftpWagon.setFileMode(SftpWagon.java:143)
        at 
org.apache.maven.wagon.providers.ssh.jsch.SftpWagon.put(SftpWagon.java:88)
        ... 24 more
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7 seconds
[INFO] Finished at: Mon Oct 20 13:26:02 CEST 2008
[INFO] Final Memory: 6M/125M
[INFO] ------------------------------------------------------------------------


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