Re: [Bacula-users] Upgrade Bacula from 7.4.2 to 9.2.0. Fatal error: sql_create.c: ... failed. ERR=Field 'StartTime' doesn't have a default value

Tue, 07 Aug 2018 02:27:01 -0700

George,

Right at the moment, I don't recommend using MariaDB.  They are just now fixing a very serious false deadlock detection bug that causes Bacula to fail. 

========= Copy paste from a recent email =============

     [ https://jira.mariadb.org/browse/MDEV-13333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jan Lindström closed MDEV-13333.
--------------------------------
    Fix Version/s: 10.1.36
                   10.2.18
                   10.3.10
                       (was: 10.2)
                       (was: 10.1)
                       (was: 10.3)
       Resolution: Fixed


Deadlock failure that does not occur elsewhere
----------------------------------------------

                Key: MDEV-13333
                URL: https://jira.mariadb.org/browse/MDEV-13333
            Project: MariaDB Server
         Issue Type: Bug
         Components: Locking, Storage Engine - InnoDB
   Affects Versions: 10.2.7
        Environment: MariaDB installed using repo on your site to Ubuntu 16.04.
           Reporter: Kern Sibbald
           Assignee: Jan Lindström
            Fix For: 10.1.36, 10.2.18, 10.3.10

        Attachments: mariadb-bug, mdev13333.test, output_b


MariaDB gets the following deadlock error:
localhost-dir: sql_create.c:837-5 Fill File table Query failed: INSERT INTO File
(FileIndex, JobId, PathId, FilenameId, LStat, MD5, DeltaSeq) SELECT
batch.FileIndex, batch.JobId, Path.PathId, Filename.FilenameId,batch.LStat,
batch.MD5, batch.DeltaSeq FROM batch JOIN Path ON (batch.Path = Path.Path) JOIN
Filename ON (batch.Name = Filename.Name): ERR=Deadlock found when trying to get
lock;
When running the Bacula 9.0.1 regression script named: three-pool-virtual-test
This does not occur on any version of MySQL, nor the Ubuntu version 10.0 of MariaDB.  The code has been stable for many years.  
I am running all instances of MariaDB and MySQL out of the box.  I have changed no parameters.
This appears to be a false deadlock detection.  Note, it is 100% reproducible.


    

    

    

    
On 08/07/2018 02:05 AM, George Anchev
      via Bacula-users wrote:

    

    

      
Today I installed 9.2.0 FD on one of the network
workstations. Trying to run an estimate for an
incremental job tells me that "Job 0" cannot find
previous Full backup, so it will estimates a full one.

My workaround with changing the SQL_MODE didn't work
in this case.

On Mon, 6 Aug 2018 16:37:02 -0400 Phil Stracchino
wrote:



      

        
 ALTER TABLE Media
   MODIFY FirstWritten datetime DEFAULT NULL,
   MODIFY LastWritten datetime DEFAULT NULL,
   MODIFY LabelDate datetime DEFAULT NULL,
   MODIFY InitialWrite datetime DEFAULT NULL;


      

      
Can anyone please confirm if that is all that is
required to get rid of all these MariaDB related
issues? Also - how safe is it? (I really know very
little about DBs).

The other day I also filed a bug report about the
issue:

https://bugs.bacula.org/view.php?id=2408

Perhaps if we have a script to update our DBs it would
suffice.

--
George

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