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https://issues.apache.org/jira/browse/CLOUDSTACK-9444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15409302#comment-15409302
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ASF GitHub Bot commented on CLOUDSTACK-9444:
--------------------------------------------

Github user rhtyd commented on the issue:

    https://github.com/apache/cloudstack/pull/1621
  
    The changes won't be tested by Trillian as it does not support upgrade 
tests yet. Based on the packaging result, we can accept it if anyone has 
performed an upgrade test manually. /cc @karuturi @jburwell 


> ERROR c.c.u.d.DriverLoader DB driver type null is not supported (during 
> migration from 4.7.1 to 4.9)
> ----------------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9444
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9444
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the 
> default.) 
>          Components: Install and Setup
>    Affects Versions: 4.7.1, 4.8.0, 4.8.1, 4.9.0
>         Environment: Ubuntu 14.04 + KVM + CS 4.7.1
>            Reporter: Milamber
>            Assignee: Milamber
>            Priority: Minor
>              Labels: patch
>             Fix For: 4.9.1
>
>
> The PR #1610 has been include with the latest CS 4.9.0, unfortunately if the 
> last line of the db.properties file hasn't a EOL character, the first line of 
> your patch from #1610 (db.cloud.driver=jdbc:mysql) will be concatenate to the 
> last line:
> example:
> db.cloud.secondsBeforeRetryMaster=3600db.cloud.driver=jdbc:mysql
> db.usage.driver=jdbc:mysql
> db.simulator.driver=jdbc:mysql
> And after the migration, the management service don't start correctly.
> The error messages:
> 2016-07-31 15:05:10,684 ERROR c.c.u.d.DriverLoader DB driver type null is not 
> supported!
> 2016-07-31 15:05:10,709 WARN c.c.u.d.T.Transaction Unable to load db 
> configuration, using defaults with 5 connections. Falling back on assumed 
> datasource on localhost:3306 using username:password=cloud:cloud. Please 
> check your configuration
> com.cloud.utils.exception.CloudRuntimeException: DB driver type null is not 
> supported!
> [...]
> 2016-07-31 15:05:10,979 ERROR c.c.u.d.Merovingian2 Unable to get a new db 
> connection
> java.sql.SQLException: Access denied for user 'cloud'@'localhost' (using 
> password: YES)
> [...]
> ===
> The workaround is to edit the /etc/cloudstack/management/db.properties file 
> and insert a line return before "db.cloud.driver=jdbc:mysql"
> and restart the cloudstack-management service



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