[weld-issues] [JBoss JIRA] Commented: (WELD-522) Weld makes my Java SE app startup time >100x slower

[Pete Muir (JIRA)]

    [ https://jira.jboss.org/browse/WELD-522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12530924#action_12530924 ] 

Pete Muir commented on WELD-522:
--------------------------------

Morten, You don't want this there anyway, so good result ;-)

But seriously, it seems to me then the slowness is coming from the time the JDK takes to scan the classpath for beans.xml? If we put some timings into the above code, we can really see what phase is slow.

> Weld makes my Java SE app startup time >100x slower 
> ----------------------------------------------------
>
>                 Key: WELD-522
>                 URL: https://jira.jboss.org/browse/WELD-522
>             Project: Weld
>          Issue Type: Bug
>    Affects Versions: 1.0.1.Final
>         Environment: Java 6, Weld 1.01 SE + lots of jars on the classpath
>            Reporter: Morten Christensen
>
> Booting my Java SE app without weld takes << 1s BUT the 1 line for initializing weld to autowire my app takes at least 4-5 seconds. 
> My app is not so big and consist of ~20-30 singletons that must be wired + various other non-weld stuff. I have lots of stuff on my classpath so I suspect that could be why weld is going crazy. 
> I guess this could be improved if I can have weld limited to work only inside my own jar and/or only work with specific classes/packages.
> P.S. With breakpoints enabled in a debugger and a bit of unluck, I was even able to have welds initialization to take ~ 5 minutes one day (reduced to seconds again after I removed all breakpoints though).

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