Review Request 129264: handle mysql process crashes gracefully

[Daniel Vrátil]

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https://git.reviewboard.kde.org/r/129264/#review100419
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Your idea sounds good. If we can't connect to DB, clean up socket and pid files, start server manually and connect.


src/server/storage/dbconfigmysql.cpp (line 500)
<https://git.reviewboard.kde.org/r/129264/#comment67398>

    Sorry, I missed this one, this one has to be converted to the new syntax too now.


- Daniel Vrátil


On Oct. 30, 2016, 6:53 p.m., Martin Koller wrote:
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/129264/
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> (Updated Oct. 30, 2016, 6:53 p.m.)
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> 
> Review request for Akonadi and Daniel Vrátil.
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> Repository: akonadi
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> Description
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> It happened to me that I started kmail but could not see any mail folder.
> Searching I found that although all akonadi processes were running, the mysqld process was not,
> so it seems for whatever reason mysqld crashed (using a privately started mysqld from akonadiserver).
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> This patch checks if the mysqld stops unexpectedly when it was started from akonadiserver and tells the latter to quit when a stopped mysqld was discovered.
> Also in this case the local socket file is removed so that a restart can work without problem.
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> Diffs
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>   src/server/storage/dbconfigmysql.h 27841e8 
>   src/server/storage/dbconfigmysql.cpp 0962ccb 
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> Diff: https://git.reviewboard.kde.org/r/129264/diff/
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> Testing
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> Started akonadi via akonadictl and also implicitely via kmail, then killed (-4, -15) mysqld.
> Restarted via akonadictl or kmail
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> 
> Thanks,
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> Martin Koller
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>

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