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https://issues.apache.org/jira/browse/KUDU-2005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Serbin resolved KUDU-2005.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.4.0
The fix is submitted with 83885ffffa47a77a7206414987d07d5945525e66
> Non-actionable error message if pointing
> --webserver_{certificate,private_key}_file to non-existing files
> ---------------------------------------------------------------------------------------------------------
>
> Key: KUDU-2005
> URL: https://issues.apache.org/jira/browse/KUDU-2005
> Project: Kudu
> Issue Type: Bug
> Components: master, tserver
> Affects Versions: 1.3.1
> Reporter: Alexey Serbin
> Assignee: Alexey Serbin
> Labels: usability
> Fix For: 1.4.0
>
>
> If pointing to non-existent files using {{-webserver_certificate_file}} and
> {{-webserver_private_key_file}} flags, kudu-master and kudu-tserver fail to
> start with obscure error message like the following:
> {noformat}
> F0510 10:33:30.088955 27653 master_main.cc:71] Check failed: _s.ok() Bad
> status: Network error: Webserver: Could not start on address 0.0.0.0:8051
> {noformat}
> Nothing else is in the WARNING or ERROR log files indicates that the issue
> was about not being able to load the data from the specified files.
> The only trace of the real cause can be found in the INFO log file:
> {noformat}
> I0510 10:33:30.046664 27653 webserver.cc:148] Webserver: Enabling HTTPS
> support
> I0510 10:33:30.046880 27653 webserver.cc:297] Webserver: set_ssl_option:
> cannot open /etc/tls/kudu-master.cert.pem: error:02001002:system
> library:fopen:No such file or directory
> W0510 10:33:30.046972 27653 net_util.cc:293] Failed to bind to 0.0.0.0:8051.
> Trying to use lsof to find any processes listening on the same port:
> I0510 10:33:30.047003 27653 net_util.cc:296] $ export PATH=$PATH:/usr/sbin ;
> lsof -n -i 'TCP:8051' -sTCP:LISTEN ; for pid in $(lsof -F p -n -i 'TCP:8051'
> -sTCP:LISTEN | grep p | cut -f 2 -dp) ; do while [ $pid -gt 1 ] ; do ps h
> -fp $pid ; stat=($(</proc/$pid/stat)) ; pid=${stat[3]} ; done ; done
> W0510 10:33:30.088867 27653 net_util.cc:303]
> {noformat}
> It's necessary to make the error message informative and actionable.
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