java.lang.NoClassDefFoundError: org/osgi/framework/BundleActivator
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at weblogic.t3.srvr.servicegroups.ServicePluginGroup.processPossibleServicePlugin(ServicePluginGroup.java:157)
at weblogic.t3.srvr.servicegroups.ServicePluginGroup.<init>(ServicePluginGroup.java:90)
at weblogic.t3.srvr.servicegroups.ServerServiceDependencies.<init>(ServerServiceDependencies.java:58)
at weblogic.t3.srvr.servicegroups.ServerServiceDependencies.<clinit>(ServerServiceDependencies.java:48)
at weblogic.t3.srvr.ServerServices.<clinit>(ServerServices.java:94)
at weblogic.t3.srvr.ServerServicesManager.getServicesBeforeStandbyState(ServerServicesManager.java:368)
at weblogic.t3.srvr.ServerServicesManager.startInStandbyState(ServerServicesManager.java:147)
at weblogic.t3.srvr.T3Srvr.initializeStandby(T3Srvr.java:711)
at weblogic.t3.srvr.T3Srvr.startup(T3Srvr.java:482)
at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:440)
at weblogic.Server.main(Server.java:67)