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From Mike Guo <hongw...@163.com>
Subject Re: what's the Bootstrap when I use "stream" result type for a picture output
Date Thu, 24 Sep 2015 04:05:25 GMT
ok, finally, I got the solution for this one.  although I don’t know why.

I just add one java param in here:
java -Djava.awt.headless=true then it will be gone.



thanks 


Mike.G


> 在 2015年9月24日,12:02,Mike Guo <hongweig@163.com> 写道:
> 
> ok, I just found it is not related with tomcat or struts.
> 
> I just use this code:
> 
> 
> import java.util.Arrays;
> 
> import javax.imageio.ImageIO;
> 
> public class ListImageFormatters {
> 
>    public static void main(String[] args) {
>        String[] readerFormatNames = ImageIO.getReaderFormatNames();
>        //[BMP, bmp, jpg, JPG, wbmp, jpeg, png, PNG, JPEG, WBMP, GIF, gif]
>        System.out.println(Arrays.toString(readerFormatNames));
> 
>        //[jpg, BMP, bmp, JPG, jpeg, wbmp, png, JPEG, PNG, WBMP, GIF, gif]
>        String[] writerFormatNames = ImageIO.getWriterFormatNames();
>        System.out.println(Arrays.toString(writerFormatNames));
>    }
> 
> }
> 
> and it will start the Bootstrap too.
> 
> 
> so, look like it is belong to JDK part. 
> 
> but I don’t understand it still. is there anyone can share some tips to me?
> 
> 
> thanks so much
> 
> 
> Mike.G
> 
> 
> 
> 
>> 在 2015年9月24日,11:32,Mike Guo <hongweig@163.com> 写道:
>> 
>> Anyone? Please.  
>> 
>> 
>> 发自我的 iPhone
>> 
>>> 在 2015年9月24日,02:15,Mike Guo <hongweig@163.com> 写道:
>>> 
>>> Hi. all.
>>> 
>>> I got a very strange issues.
>>> 
>>> I tried to generate dynamic check code by struts2.  so, I used buffered image
and javax.imageio for a byteinputstream in my Action.
>>> 
>>> look like the function work fine. but strange thing is:  every time when I access
that dynamic check code action. system will be start a java application “Bootstrap”
>>> 
>>> please check the picture. also, when quit this Bootstrap java application, and
my tomcat is stop running too.
>>> 
>>> 
>>> 
>>> would you please share with me what’s this? and why it running by automatic?
>>> 
>>> <屏幕快照 2015-09-24 02.13.46.png>
>>> 
>>> 
>>> 
>>> thanks so much
>>> 
>>> 
>>> Mike.G
>>> 
>> 
>> 
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> 


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