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java.lang.NullPointerException: 	at com.springsource.kernel.install.artifact.internal.bundle.StandardBundleInstallArtifact.start(StandardBundleInstallArtifact.java:228)	at com.springsource.kernel.install.artifact.internal.AbstractPlanInstallArtifact.doStart(AbstractPlanInstallArtifact.java:97)	at com.springsource.kernel.install.artifact.internal.AbstractInstallArtifact.driveDoStart(AbstractInstallArtifact.java:192)	at com.springsource.kernel.install.artifact.internal.AbstractInstallArtifact.start(AbstractInstallArtifact.java:182)	at com.springsource.kernel.install.artifact.internal.AbstractInstallArtifact.start(AbstractInstallArtifact.java:171)	at com.springsource.kernel.install.artifact.internal.AtomicInstallArtifactLifecycleListener.onStarting(AtomicInstallArtifactLifecycleListener.java:54)	at com.springsource.kernel.install.artifact.internal.ArtifactStateMonitor.onStarting(ArtifactStateMonitor.java:211)	at com.springsource.kernel.install.artifact.internal.bundle.BundleDriverBundleListener.bundleChanged(BundleDriverBundleListener.java:74)	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:919)	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:227)	at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:149)	at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEventPrivileged(Framework.java:1350)	at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1301)	at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:338)	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:280)	at com.springsource.kernel.core.internal.StandardBundleStarter.start(StandardBundleStarter.java:72)	at com.springsource.kernel.core.internal.StandardBundleStarter.start(StandardBundleStarter.java:56)	at sun.reflect.GeneratedMethodAccessor49.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)	at org.springframework.osgi.service.importer.support.internal.aop.ServiceInvoker.doInvoke(ServiceInvoker.java:58)	at org.springframework.osgi.service.importer.support.internal.aop.ServiceInvoker.invoke(ServiceInvoker.java:62)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)	at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.osgi.service.util.internal.aop.ServiceTCCLInterceptor.invokeUnprivileged(ServiceTCCLInterceptor.java:56)	at org.springframework.osgi.service.util.internal.aop.ServiceTCCLInterceptor.invoke(ServiceTCCLInterceptor.java:39)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.osgi.service.importer.support.LocalBundleContextAdvice.invoke(LocalBundleContextAdvice.java:59)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)	at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)	at $Proxy59.start(Unknown Source)	at com.springsource.kernel.install.artifact.internal.bundle.StandardBundleDriver.startBundle(StandardBundleDriver.java:180)	at com.springsource.kernel.install.artifact.internal.bundle.StandardBundleDriver.start(StandardBundleDriver.java:162)	at com.springsource.kernel.install.artifact.internal.bundle.StandardBundleInstallArtifact.doStart(StandardBundleInstallArtifact.java:243)	at com.springsource.kernel.install.artifact.internal.AbstractInstallArtifact.driveDoStart(AbstractInstallArtifact.java:192)	at com.springsource.kernel.install.artifact.internal.bundle.StandardBundleInstallArtifact.start(StandardBundleInstallArtifact.java:231)	at com.springsource.kernel.install.artifact.internal.bundle.StandardBundleInstallArtifact.completeUpdateAndRefresh(StandardBundleInstallArtifact.java:328)	at com.springsource.kernel.install.artifact.internal.bundle.StandardBundleInstallArtifact.doRefresh(StandardBundleInstallArtifact.java:389)	at com.springsource.kernel.install.artifact.internal.AbstractInstallArtifact.refresh(AbstractInstallArtifact.java:360)	at com.springsource.kernel.model.internal.deployer.DeployerArtifact.updateAndRefresh(DeployerArtifact.java:101)	at com.springsource.kernel.model.management.internal.DelegatingManageableArtifact.updateAndRefresh(DelegatingManageableArtifact.java:95)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:167)	at com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:96)	at com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:33)	at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)	at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)	at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)	at com.springsource.kernel.shell.model.helper.ModelAccessorHelper.performOperation(ModelAccessorHelper.java:129)	at com.springsource.kernel.shell.model.helper.ModelAccessorHelper.refresh(ModelAccessorHelper.java:122)	at com.springsource.server.admin.web.ArtifactController.actionRefresh(ArtifactController.java:204)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.doInvokeMethod(HandlerMethodInvoker.java:717)	at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:165)	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:378)	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:366)	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771)	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716)	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:647)	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:552)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at com.springsource.server.web.tomcat.ApplicationNameTrackingValve.invoke(ApplicationNameTrackingValve.java:37)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)	at java.lang.Thread.run(Thread.java:637)