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  1. WildFly Core
  2. WFCORE-6199

JBoss allows duplicate user and local dependencies

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      JBoss can allow multiple duplicate user or local dependencies. This could occur if jars are being loaded through MANIFEST.MF class-path entries and I saw this do things like exasperate issues from WFCORE-6188 and MODULES-435 for a slower start up. The attached app demonstrates that slowness and takes over 90 seconds to start:

      17:57:20,493 INFO  [org.jboss.as] (Controller Boot Thread) WFLYSRV0025: WildFly Full 28.0.0.Beta1-SNAPSHOT (WildFly Core 20.0.0.Beta4) started in 97812ms - Started 1019 of 1268 services (568 services are lazy, passive or on-demand) - Server configuration file in use: standalone.xml

      If you capture a heap dump deploying that test app, run an OQL like the following and you can see the deployment modules with an inordinate number of dependencies and these are from many duplicate entries:

      SELECT module.name.toString(), allDependencies.size, localDependencies.list.size FROM org.jboss.as.server.moduleservice.ModuleLoadService

        1. ejb-in-ear.ear
          318 kB
          Aaron Ogburn

              ropalka Richard Opalka
              rhn-support-aogburn Aaron Ogburn
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