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org.osgi.framework.BundleException: Activator start error. at org.apache.felix.framework.Felix._startBundle(Felix.java:1580) at org.apache.felix.framework.Felix.startBundle(Felix.java:1470) at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:354) at org.apache.felix.shell.impl.StartCommandImpl.execute(StartCommandImpl.java:82) at org.apache.felix.shell.impl.Activator$ShellServiceImpl.executeCommand(Activator.java:265) at org.apache.felix.shell.tui.Activator$ShellTuiRunnable.run(Activator.java:167) at java.lang.Thread.run(Thread.java:619)Caused by: java.lang.NoClassDefFoundError: org/osgi/framework/BundleActivator at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:620) at org.apache.felix.framework.searchpolicy.ContentClassLoader.findClass(ContentClassLoader.java:162) at org.apache.felix.framework.searchpolicy.ContentClassLoader.loadClassFromModule(ContentClassLoader.java:51) at org.apache.felix.framework.searchpolicy.ContentLoaderImpl.getClass(ContentLoaderImpl.java:121) at org.apache.felix.framework.searchpolicy.R4SearchPolicyCore.findClassOrResource(R4SearchPolicyCore.java:397) at org.apache.felix.framework.searchpolicy.R4SearchPolicyCore.findClass(R4SearchPolicyCore.java:175) at org.apache.felix.framework.searchpolicy.R4SearchPolicy.findClass(R4SearchPolicy.java:45) at org.apache.felix.moduleloader.ModuleImpl.getClass(ModuleImpl.java:152) at org.apache.felix.framework.Felix.createBundleActivator(Felix.java:3426) at org.apache.felix.framework.Felix._startBundle(Felix.java:1531) ... 6 more