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    Hi,<br>
    <br>
    Engine in master is having problems activating a CentOS 7 host.<br>
    The cause seems to be related with "missing" plugins:<br>
    <blockquote>2015-04-20 00:32:20,955 ERROR
      [org.ovirt.engine.core.bll.InstallerMessages] (VdsDeploy)
      [50ddd3ed] Installation 'h4.imatronix.com': Internal error:
      Internal error, plugins set(['otopi', 'setup']) are missing<br>
    </blockquote>
    We have this RPMS:<br>
    <blockquote>otopi-1.4.0-0.0.master.20150409182110.git0d2105b.el7.noarch<br>
      otopi-java-1.4.0-0.0.master.20150409182110.git0d2105b.el7.noarch<br>
ovirt-engine-setup-plugin-ovirt-engine-3.6.0-0.0.master.20150419172236.gitb6adbca.el7.centos.noarch<br>
ovirt-engine-setup-plugin-allinone-3.6.0-0.0.master.20150419172236.gitb6adbca.el7.centos.noarch<br>
ovirt-engine-setup-plugin-ovirt-engine-common-3.6.0-0.0.master.20150419172236.gitb6adbca.el7.centos.noarch<br>
ovirt-engine-setup-plugin-websocket-proxy-3.6.0-0.0.master.20150419172236.gitb6adbca.el7.centos.noarch<br>
    </blockquote>
    More logs:<br>
    <br>
    <blockquote>2015-04-20 00:32:20,830 INFO 
      [org.ovirt.engine.core.uutils.ssh.SSHDialog]
      (org.ovirt.thread.pool-8-thread-3) [50ddd3ed] SSH execute
      '<a class="moz-txt-link-abbreviated" href="mailto:root@h4.imatronix.com">root@h4.imatronix.com</a>' 'umask 0077;
      MYTMP="$(TMPDIR="${OVIRT_TMPDIR}" mktemp -d -t ovirt-XXXXXXXXXX)";
      trap "chmod -R u+rwX \"${MYTMP}\" &gt; /dev/null 2&gt;&amp;1; rm
      -fr \"${MYTMP}\" &gt; /dev/null 2&gt;&amp;1" 0; tar
      --warning=no-timestamp -C "${MYTMP}" -x &amp;&amp; 
      "${MYTMP}"/setup DIALOG/dialect=str:machine
      DIALOG/customization=bool:True'<br>
      2015-04-20 00:32:20,955 ERROR
      [org.ovirt.engine.core.bll.InstallerMessages] (VdsDeploy)
      [50ddd3ed] Installation 'h4.imatronix.com': Internal error:
      Internal error, plugins set(['otopi', 'setup']) are missing<br>
      2015-04-20 00:32:20,970 ERROR
      [org.ovirt.engine.core.uutils.ssh.SSHDialog]
      (org.ovirt.thread.pool-8-thread-3) [50ddd3ed] SSH error running
      command <a class="moz-txt-link-abbreviated" href="mailto:root@h4.imatronix.com">root@h4.imatronix.com</a>:'umask 0077;
      MYTMP="$(TMPDIR="${OVIRT_TMPDIR}" mktemp -d -t ovirt-XXXXXXXXXX)";
      trap "chmod -R u+rwX \"${MYTMP}\" &gt; /dev/null 2&gt;&amp;1; rm
      -fr \"${MYTMP}\" &gt; /dev/null 2&gt;&amp;1" 0; tar
      --warning=no-timestamp -C "${MYTMP}" -x &amp;&amp; 
      "${MYTMP}"/setup DIALOG/dialect=str:machine
      DIALOG/customization=bool:True': Command returned failure code 2
      during SSH session '<a class="moz-txt-link-abbreviated" href="mailto:root@h4.imatronix.com">root@h4.imatronix.com</a>'<br>
      2015-04-20 00:32:20,970 ERROR
      [org.ovirt.engine.core.uutils.ssh.SSHDialog]
      (org.ovirt.thread.pool-8-thread-3) [50ddd3ed] Exception:
      java.io.IOException: Command returned failure code 2 during SSH
      session '<a class="moz-txt-link-abbreviated" href="mailto:root@h4.imatronix.com">root@h4.imatronix.com</a>'<br>
              at
      org.ovirt.engine.core.uutils.ssh.SSHClient.executeCommand(SSHClient.java:527)
      [uutils.jar:]<br>
              at
      org.ovirt.engine.core.uutils.ssh.SSHDialog.executeCommand(SSHDialog.java:312)
      [uutils.jar:]<br>
              at
      org.ovirt.engine.core.bll.VdsDeploy.execute(VdsDeploy.java:1125)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.bll.InstallVdsInternalCommand.installHost(InstallVdsInternalCommand.java:165)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.bll.InstallVdsInternalCommand.executeCommand(InstallVdsInternalCommand.java:91)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.bll.CommandBase.executeWithoutTransaction(CommandBase.java:1183)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.bll.CommandBase.executeActionInTransactionScope(CommandBase.java:1327)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.bll.CommandBase.runInTransaction(CommandBase.java:1925)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.utils.transaction.TransactionSupport.executeInSuppressed(TransactionSupport.java:174)
      [utils.jar:]<br>
              at
      org.ovirt.engine.core.utils.transaction.TransactionSupport.executeInScope(TransactionSupport.java:116)
      [utils.jar:]<br>
              at
      org.ovirt.engine.core.bll.CommandBase.execute(CommandBase.java:1351)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.bll.CommandBase.executeAction(CommandBase.java:346)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.bll.MultipleActionsRunner.executeValidatedCommand(MultipleActionsRunner.java:202)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.bll.MultipleActionsRunner.runCommands(MultipleActionsRunner.java:170)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.bll.MultipleActionsRunner$2.run(MultipleActionsRunner.java:179)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.utils.threadpool.ThreadPoolUtil$InternalWrapperRunnable.run(ThreadPoolUtil.java:92)
      [utils.jar:]<br>
              at
      java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
      [rt.jar:1.7.0_79]<br>
              at
      java.util.concurrent.FutureTask.run(FutureTask.java:262)
      [rt.jar:1.7.0_79]<br>
              at
      java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
      [rt.jar:1.7.0_79]<br>
              at
      java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      [rt.jar:1.7.0_79]<br>
              at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_79]<br>
      <br>
      2015-04-20 00:32:20,989 ERROR
      [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
      (VdsDeploy) [50ddd3ed] Correlation ID: 50ddd3ed, Call Stack: null,
      Custom Event ID: -1, Message: Failed to install Host H4. Internal
      error: Internal error, plugins set(['otopi', 'setup']) are
      missing.<br>
      2015-04-20 00:32:20,992 ERROR
      [org.ovirt.engine.core.bll.VdsDeploy] (VdsDeploy) [50ddd3ed] Error
      during deploy dialog: java.io.IOException: Unexpected connection
      termination<br>
              at
      org.ovirt.otopi.dialog.MachineDialogParser.nextEvent(MachineDialogParser.java:388)
      [otopi.jar:]<br>
              at
      org.ovirt.otopi.dialog.MachineDialogParser.nextEvent(MachineDialogParser.java:405)
      [otopi.jar:]<br>
              at
      org.ovirt.engine.core.bll.VdsDeploy._threadMain(VdsDeploy.java:828)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.bll.VdsDeploy.access$2000(VdsDeploy.java:87)
      [bll.jar:]<br>
              at
      org.ovirt.engine.core.bll.VdsDeploy$51.run(VdsDeploy.java:976)
      [bll.jar:]<br>
              at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_79]<br>
      <br>
      2015-04-20 00:32:20,996 ERROR
      [org.ovirt.engine.core.bll.VdsDeploy]
      (org.ovirt.thread.pool-8-thread-3) [50ddd3ed] Error during host
      h4.imatronix.com install<br>
      2015-04-20 00:32:20,996 ERROR
      [org.ovirt.engine.core.bll.InstallerMessages]
      (org.ovirt.thread.pool-8-thread-3) [50ddd3ed] Installation
      'h4.imatronix.com': Command returned failure code 2 during SSH
      session '<a class="moz-txt-link-abbreviated" href="mailto:root@h4.imatronix.com">root@h4.imatronix.com</a>'<br>
      2015-04-20 00:32:21,034 ERROR
      [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
      (org.ovirt.thread.pool-8-thread-3) [50ddd3ed] Correlation ID:
      50ddd3ed, Call Stack: null, Custom Event ID: -1, Message: Failed
      to install Host H4. Command returned failure code 2 during SSH
      session '<a class="moz-txt-link-abbreviated" href="mailto:root@h4.imatronix.com">root@h4.imatronix.com</a>'.<br>
      2015-04-20 00:32:21,034 ERROR
      [org.ovirt.engine.core.bll.VdsDeploy]
      (org.ovirt.thread.pool-8-thread-3) [50ddd3ed] Error during host
      h4.imatronix.com install, prefering first exception: Unexpected
      connection termination<br>
      2015-04-20 00:32:21,035 ERROR
      [org.ovirt.engine.core.bll.InstallVdsInternalCommand]
      (org.ovirt.thread.pool-8-thread-3) [50ddd3ed] Host installation
      failed for host 'c579682d-693b-4491-9040-f77ae8e923cc', 'H4':
      Unexpected connection termination<br>
      2015-04-20 00:32:21,037 INFO 
      [org.ovirt.engine.core.vdsbroker.SetVdsStatusVDSCommand]
      (org.ovirt.thread.pool-8-thread-3) [50ddd3ed] START,
      SetVdsStatusVDSCommand(HostName = H4,
      SetVdsStatusVDSCommandParameters:{runAsync='true',
      hostId='c579682d-693b-4491-9040-f77ae8e923cc',
      status='InstallFailed', nonOperationalReason='NONE',
      stopSpmFailureLogged='false', maintenanceReason='null'}), log id:
      2bd1ce90<br>
      2015-04-20 00:32:21,079 INFO 
      [org.ovirt.engine.core.vdsbroker.SetVdsStatusVDSCommand]
      (org.ovirt.thread.pool-8-thread-3) [50ddd3ed] FINISH,
      SetVdsStatusVDSCommand, log id: 2bd1ce90<br>
      2015-04-20 00:32:21,112 ERROR
      [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
      (org.ovirt.thread.pool-8-thread-3) [50ddd3ed] Correlation ID:
      50ddd3ed, Call Stack: null, Custom Event ID: -1, Message: Host H4
      installation failed. Unexpected connection termination.<br>
      2015-04-20 00:32:21,117 INFO 
      [org.ovirt.engine.core.bll.InstallVdsInternalCommand]
      (org.ovirt.thread.pool-8-thread-3) [50ddd3ed] Lock freed to object
      'EngineLock:{exclusiveLocks='[c579682d-693b-4491-9040-f77ae8e923cc=&lt;VDS,
      ACTION_TYPE_FAILED_OBJECT_LOCKED&gt;]', sharedLocks='null'}'<br>
    </blockquote>
    <br>
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