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java.lang.SecurityException: sealing violation at java.net.URLClassLoader.defineClass(URLClassLoader.java:229) at java.net.URLClassLoader.access$100(URLClassLoader.java:51) at java.net.URLClassLoader$1.run(URLClassLoader.java:190) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:183) at java.lang.ClassLoader.loadClass(ClassLoader.java:294) at java.lang.ClassLoader.loadClass(ClassLoader.java:250) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:310) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:488) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:106) at java.net.URLClassLoader.defineClass(URLClassLoader.java:243) at java.net.URLClassLoader.access$100(URLClassLoader.java:51) at java.net.URLClassLoader$1.run(URLClassLoader.java:190) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:183) at java.lang.ClassLoader.loadClass(ClassLoader.java:294) at java.lang.ClassLoader.loadClass(ClassLoader.java:287) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:281) at java.lang.ClassLoader.loadClass(ClassLoader.java:250) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:310) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:488) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:106) at java.net.URLClassLoader.defineClass(URLClassLoader.java:243) at java.net.URLClassLoader.access$100(URLClassLoader.java:51) at java.net.URLClassLoader$1.run(URLClassLoader.java:190) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:183) at java.lang.ClassLoader.loadClass(ClassLoader.java:294) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:281) at java.lang.ClassLoader.loadClass(ClassLoader.java:250) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:310) at weblogic.t3.srvr.T3Srvr.checkAccess(T3Srvr.java:290) at weblogic.t3.srvr.T3Srvr.initialize(T3Srvr.java:347) at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:206) at weblogic.Server.main(Server.java:35)