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

Sun May 9 09:04:05 EDT 2010

Weld makes my Java SE app startup time >100x slower 
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                 Key: WELD-522
                 URL: https://jira.jboss.org/jira/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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