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<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">This is not very informative.
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I'll give you a suggestion. <br>
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Open up the log file(tail -f /var/log/nova/nova-compute.log) . Then launch an instance. Send only the errors that show up during the launch.
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Also I would like to see error in scheduler and nova-api .<br>
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thank you,<br>
Ageeleshwar K<br>
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<div style="direction: ltr;" id="divRpF684005"><font color="#000000" face="Tahoma" size="2"><b>From:</b> zhichengli@zju.edu.cn [zhichengli@zju.edu.cn]<br>
<b>Sent:</b> Monday, May 12, 2014 6:53 PM<br>
<b>To:</b> openstack@lists.openstack.org<br>
<b>Subject:</b> [Openstack] error while launching instance<br>
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<div>Hi, all
<div> One day, it came to me that OpenStack is funny and maybe I would like to do something with it.First, I got one controller node and one compute node,then I followed the installation guides on the website. When I set up those necessary services, I began
to launch instance through dashboard. After about three minutes when the "Launch" button was clicked, there came a error like this:</div>
<div><img src="cid:2ac87516$1$145f09a1434$Coremail$zhichengli$zju.edu.cn"><br>
<div><br>
In compute node,there are some errors in the file /var/log/nova/nova-compute.log,some of which are:</div>
<div><font color="#0000ff">WARNING nova.openstack.common.db.sqlalchemy.session. SQL connection failed. 10 attempts left.</font></div>
<div><font color="#0000ff"><br>
</font></div>
<div><font color="#0000ff">ERROR oslo.messaging._drivers.common Returning exception Remote error:</font></div>
<div><font color="#0000ff">ProcessExecutionError Unexpected error while running command.</font>
<div><font color="#0000ff">Command: sudo nova-rootwrap /etc/nova/rootwrap.conf env CONFIG_FILE=["/etc/nova/nova.conf"] NETWORK_ID=2 dnsmasq --strict-order --bind-interfaces --conf-file= --pid-file=/var/lib/nova/networks/nova-br100.pid --listen-address=172.16.17.217
--except-interfaces=lo --dhcp-range=set:demo-net, 172.16.17.218,static,255.255.255.248,120s --dhcp-lease-max=8 --dhcp-hostsfile=/var/lib/nova/networks/nova-br100.conf --dhcp-script=/user/bin/nova-dhcpbridge --leasefile-ro --domain=novalocal --no-hosts --addn-hosts=/var/lib/nova/networks/nova-br100.hosts</font></div>
<div><font color="#0000ff">Exit code:11</font></div>
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<div>I googled that, nothing worked for me.Could you please show me where should I go?</div>
<div><span>--<br>
Best Regards.</span></div>
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