Hi Christopher,
I am using Linux OS and the so files are somehow the driver file. There is also 
a .so.lck file created

Regards,
Haseeb

-----Original Message-----
From: Christopher Schultz [mailto:ch...@christopherschultz.net] 
Sent: den 11 september 2018 02:12
To: users@tomcat.apache.org
Subject: Re: tomcat and sqlite

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Mark and Saleem,

On 9/10/18 04:16, Mark Thomas wrote:
> On 10/09/18 09:12, Saleem Haseeb wrote:
>> HI Mark, The jar file is in the application lib so yes, under 
>> WEB-INF/lib directory :)
> 
> Thanks. That de-registration code looks to be correct to me.
> 
> I suspect that this might require a change in the Driver. Some things 
> to test: - can you delete the files if you shut Tomcat down first? - 
> how does the driver behave if you access it via a stand-along Java 
> application
> 
> I suggest you try and recreate this with a stand-alone Java app and if 
> you still see the problem. If you do, I'd suggest opening an issue 
> against the driver.

What are those ".so" files? What is your OS?

I'm wondering if the driver is dropping shared libraries onto the disk and then 
loading them using e.g. System.loadLibrary.

As far as I know, it is not possible to System.unloadLibrary, so weird things 
might happen if/when you try to load the JDBC driver multiple times. Even 
loading it once might end up with files that the JVM/OS is unwilling to unlock.

- -chris
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