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java.lang.IllegalArgumentException: key can't be empty at java.lang.System.getProperty(System.java:552) at weblogic.management.Admin.logSystemProperties(Admin.java:667) at weblogic.management.Admin.finish(Admin.java:594) at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java:524) at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:207) at weblogic.Server.main(Server.java:35)