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 <hongw...@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 <hongw...@163.com> 写道：
>>
>> Anyone? Please.
>>
>>
>> 发自我的 iPhone
>>
>>> 在 2015年9月24日，02:15，Mike Guo <hongw...@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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>
