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is anyone missing any metadata? (patch tag just had another strange crash)
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Thomas Hartman  
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 More options Jun 19 2010, 7:00 pm
From: Thomas Hartman <thomashartm...@googlemail.com>
Date: Sat, 19 Jun 2010 16:00:57 -0700
Local: Sat, Jun 19 2010 7:00 pm
Subject: is anyone missing any metadata? (patch tag just had another strange crash)
Hi, patch-tag went down and I just restarted manually.

However, I was unable to read state from the latest events file, which
means that the aplication state may be stale (a couple days old):

So, metadata for accounts / repos created in the last couple days
might be missing.

However, the darcs repos are still on the hard disk and should be
accessible via darcs push / pull, they just won't be listed.

I am investigating. Meanwhile, if anyone knows themselves to be
affected please let me know, including account names and other
relevant data (I can't think of any actually).

FWIW, this is the error I got on application start.

patchtag exited: Sat Jun 19 18:47:20 EDT 2010
starting patchtag: Sat Jun 19 18:47:20 EDT 2010
passed sanity check
starting happs server
time: Sat Jun 19 18:47:21 EDT 2010
patchtagserver: internal error: PAP object entered!
    (GHC version 6.12.1 for i386_unknown_linux)
    Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

When I moved the latest checkpoint file out of the way it started normally.

Need somewhere to put your code? http://patch-tag.com
Want to build a webapp? http://happstack.com


 
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Jeremy Shaw  
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 More options Jun 19 2010, 8:07 pm
From: Jeremy Shaw <jer...@n-heptane.com>
Date: Sat, 19 Jun 2010 19:07:50 -0500
Local: Sat, Jun 19 2010 8:07 pm
Subject: Re: is anyone missing any metadata? (patch tag just had another strange crash)
Let me know if you figure anything out. Did you delete event files ?  
Or just remove the checkpoint ?

If you only removed the checkpoint, then it should just replay all the  
events and be up to date ?

The 0.6 released is primarily focused on improvements to happstack-
server (and happstack-ixset).
The 0.7 will be focused on happstack-state.

During 0.7, I would like to figure out why patch-tag crashes so much.  
Because it shouldn't ;)

- jeremy

On Jun 19, 2010, at 6:00 PM, Thomas Hartman wrote:


 
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Thomas Hartman  
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 More options Jun 20 2010, 1:29 am
From: Thomas Hartman <thomashartm...@googlemail.com>
Date: Sat, 19 Jun 2010 22:29:44 -0700
Local: Sun, Jun 20 2010 1:29 am
Subject: Re: is anyone missing any metadata? (patch tag just had another strange crash)
I renamed the latest event file to eventnnnn.bak.

--
Need somewhere to put your code? http://patch-tag.com
Want to build a webapp? http://happstack.com

 
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Jeremy Shaw  
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 More options Jun 22 2010, 4:47 pm
From: Jeremy Shaw <jer...@n-heptane.com>
Date: Tue, 22 Jun 2010 15:47:02 -0500
Local: Tues, Jun 22 2010 4:47 pm
Subject: Re: is anyone missing any metadata? (patch tag just had another strange crash)
Just a a followup:

Investigating this issue, we discovered that some of his update  
functions were calling the 'fail' method. This fail was not caught and  
cause the whole server to go down when the event was replayed.

Clearly the handling of 'fail' is not correct. It's not obvious what  
should happen when you call fail, but making your whole application  
fail is certainly not what we want.

If you are *not* currently calling  fail inside your query/update  
functions, then you should be fine. So for now, just don't call fail.  
In the happstack 0.7 we will reexamine this issue and make sure that  
something sensible happens if you do call fail.

- jeremy

On Jun 19, 2010, at 6:00 PM, Thomas Hartman wrote:


 
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