Java PetStore 出现问题，ant run后硬盘在闪，但一小时都没有反应

[root@localhost petstore]# ant run
Buildfile: build.xmldefault-ear:-pre-compile:bpp-actual-compilation:
     [echo] Compiling petstore-post-compile:
     [copy] Copying 1 file to /opt/petstore/build/web/WEB-INF/classesinsert-proxy-settings:dojo:compile:package:
    [mkdir] Created dir: /opt/petstore/build/warbp-copy-classes:
    [mkdir] Created dir: /opt/petstore/build/war/WEB-INF/classes
     [copy] Copying 35 files to /opt/petstore/build/war/WEB-INF/classes
     [copy] Copying 842 files to /opt/petstore/build/warbpp-package-persistence-unit-war:bpp-package-persistence-unit-ejb-jar:package-persistence-unit:
   [delete] Deleting: /opt/petstore/build/petstore.war
      [jar] Building jar: /opt/petstore/build/petstore.war
   [delete] Deleting directory /opt/petstore/build/warbpp-copy-dist:
     [copy] Copying 1 file to /opt/petstore/distdefault-not-ear:default:check:tools:-pre-deploy:deploy:在这一步不动了
硬盘灯在闪，都一小时了，哪里出问题了？