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From Stefan Matheis <>
Subject Re: how to debug dataimporthandler
Date Wed, 02 Mar 2011 08:08:59 GMT

normally .. if i have problems with dih:

* i start having a look at the mysql-query-log, to check which queries
are executed.
* re-run the query myself, verify the return data
* Activate
and log the important data, check console output

yet, this was debugging enough for all my problems :)


On Wed, Mar 2, 2011 at 7:28 AM, cyang2010 <> wrote:
> I wonder how to run dataimporthandler in debug mode.  Currently i can't get
> data correctly into index through dataimporthandler, especially a timestamp
> column to solr date field.  I want to debug the process.
> According to this wiki page:
> Commands
> The handler exposes all its API as http requests . The following are the
> possible operations
> •full-import : Full Import operation can be started by hitting the URL
> http://:/solr/dataimport?command=full-import
> ...
> ■clean : (default 'true'). Tells whether to clean up the index before the
> indexing is started
> ■commit: (default 'true'). Tells whether to commit after the operation
> ■optimize: (default 'true'). Tells whether to optimize after the operation
> ■debug : (default false). Runs in debug mode.It is used by the interactive
> development mode (see here)
> ■Please note that in debug mode, documents are never committed
> automatically. If you want to run debug mode and commit the results too, add
> 'commit=true' as a request parameter.
> Therefore, i run
> http://:/solr/dataimport?command=full-import &debug=true
> Not only i didn't see log with "DEBUG" level, but also it crashes my machine
> a few times.   I was surprised it can even do that ...
> Did someone ever try to debug the process before?  What is your experience
> with it?
> --
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