How to reproduce ? any code example ?

在 2015年3月31日星期二 UTC+8下午4:02:02,LL写道:
>
> Hi, I'm new to java and h2 database. 
> I'm making an application to insert many data.
> I'm using h2-1.4.186 currently.
>
> The application flow of my application is check if the data is already 
> inserted before, if not, insert the data.
>
> First time running the application, database size is around 4mb, no trace 
> db.
> Second time running, all the datas are already inserted so it's only 
> checking on the db, size still same, 1.3mb trace db.
> Third time running,  size reduced to arround 2mb even though there's 
> deletion or change to the data, 2.5mb trace db.
> Fourth time running, size reduced to 276kb(what??), 3.8mb trace db.
> Fifth time running, size is reduced to 128kb, 5.2mb trace db.
>
> After that, the size will keep changing around 100 - 200kb even though 
> there's no changes or deletion made to the data.
>
> In the trace db, all the errors are 'org.h2.message.DbException: The 
> connection was not closed by the application and is garbage collected 
> [90018-186]'.
> In every database operation, I always create connection and statement then 
> close them immediately, it's weird that I got that error.
>
> The trace db keeps increasing, and have no sign or creating new file. 
> Currently it's 21mb, while in the site it said that trace db default limit 
> is 16mb. I'm mostly afraid of trace db continuining to increase until gb 
> size.
>
> I posted in other thread with similiar post before this, you can delete 
> that :)
>
>
>

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