Github user FRosner commented on the pull request:

    https://github.com/apache/incubator-zeppelin/pull/673#issuecomment-183287007
  
    @minahlee when I try to add a local jar that I added via `z.load` before, I 
get another error (empty box but I looked at the logs):
    
    ```
    INFO [2016-02-12 12:21:03,905] ({qtp497359413-3998} 
DependencyResolver.java[load]:106) - copy 
/opt/zeppelin/incubator-zeppelin/spark-avro_2.10-2.0.1.jar to 
local-repo/2BA27WAPZ
    WARN [2016-02-12 12:21:03,908] ({qtp497359413-3998} 
LogUtils.java[doLog]:452) - Application 
{http://rest.zeppelin.apache.org/}ConfigurationsRestApi has thrown exception, 
unwinding now
    org.apache.cxf.interceptor.Fault: Invalid artifact to load
            at 
org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128)
            at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:192)
            at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:100)
            at 
org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:57)
            at 
org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:93)
            at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
            at 
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
            at 
org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:239)
            at 
org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:248)
            at 
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:222)
            at 
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153)
            at 
org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:167)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPut(AbstractHTTPServlet.java:223)
            at javax.servlet.http.HttpServlet.service(HttpServlet.java:598)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262)
            at 
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1496)
            at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
            at 
org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
            at 
org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
            at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
            at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
            at 
org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
            at 
org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
            at 
org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
            at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
            at 
org.apache.zeppelin.server.CorsFilter.doFilter(CorsFilter.java:72)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
            at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
            at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:229)
            at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
            at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
            at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
            at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
            at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
            at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
            at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
            at org.eclipse.jetty.server.Server.handle(Server.java:370)
            at 
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
            at 
org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)
            at 
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)
            at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
            at 
org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
            at 
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
            at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)
            at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
            at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
            at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
            at java.lang.Thread.run(Thread.java:745)
    Caused by: java.lang.RuntimeException: Invalid artifact to load
            at 
org.apache.zeppelin.dep.DependencyResolver.load(DependencyResolver.java:75)
            at 
org.apache.zeppelin.dep.DependencyResolver.load(DependencyResolver.java:91)
            at 
org.apache.zeppelin.interpreter.InterpreterFactory.loadInterpreterDependencies(InterpreterFactory.java:281)
            at 
org.apache.zeppelin.interpreter.InterpreterFactory.setPropertyAndRestart(InterpreterFactory.java:590)
            at 
org.apache.zeppelin.rest.InterpreterRestApi.updateSetting(InterpreterRestApi.java:130)
            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
            at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
            at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.lang.reflect.Method.invoke(Method.java:497)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
            ... 53 more
    WARN [2016-02-12 12:21:03,910] ({qtp497359413-3998} 
PhaseInterceptorChain.java[unwind]:444) - Exception in handleFault on 
interceptor 
org.apache.cxf.binding.xml.interceptor.XMLFaultOutInterceptor@3877f467
    org.apache.cxf.interceptor.Fault: Invalid artifact to load
            at 
org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128)
            at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:192)
            at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:100)
            at 
org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:57)
            at 
org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:93)
            at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
            at 
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
            at 
org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:239)
            at 
org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:248)
            at 
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:222)
            at 
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153)
            at 
org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:167)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPut(AbstractHTTPServlet.java:223)
            at javax.servlet.http.HttpServlet.service(HttpServlet.java:598)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262)
            at 
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1496)
            at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
            at 
org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
            at 
org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
            at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
            at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
            at 
org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
            at 
org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
            at 
org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
            at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
            at 
org.apache.zeppelin.server.CorsFilter.doFilter(CorsFilter.java:72)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
            at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
            at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:229)
            at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
            at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
            at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
            at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
            at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
            at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
            at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
            at org.eclipse.jetty.server.Server.handle(Server.java:370)
            at 
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
            at 
org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)
            at 
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)
            at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
            at 
org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
            at 
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
            at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)
            at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
            at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
            at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
            at java.lang.Thread.run(Thread.java:745)
    Caused by: java.lang.RuntimeException: Invalid artifact to load
            at 
org.apache.zeppelin.dep.DependencyResolver.load(DependencyResolver.java:75)
            at 
org.apache.zeppelin.dep.DependencyResolver.load(DependencyResolver.java:91)
            at 
org.apache.zeppelin.interpreter.InterpreterFactory.loadInterpreterDependencies(InterpreterFactory.java:281)
            at 
org.apache.zeppelin.interpreter.InterpreterFactory.setPropertyAndRestart(InterpreterFactory.java:590)
            at 
org.apache.zeppelin.rest.InterpreterRestApi.updateSetting(InterpreterRestApi.java:130)
            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
            at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
            at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.lang.reflect.Method.invoke(Method.java:497)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
            ... 53 more
    ERROR [2016-02-12 12:21:03,911] ({qtp497359413-3998} 
AbstractFaultChainInitiatorObserver.java[onMessage]:115) - Error occurred 
during error handling, give up!
    org.apache.cxf.interceptor.Fault: Invalid artifact to load
            at 
org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128)
            at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:192)
            at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:100)
            at 
org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:57)
            at 
org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:93)
            at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
            at 
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
            at 
org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:239)
            at 
org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:248)
            at 
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:222)
            at 
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153)
            at 
org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:167)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPut(AbstractHTTPServlet.java:223)
            at javax.servlet.http.HttpServlet.service(HttpServlet.java:598)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262)
            at 
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1496)
            at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
            at 
org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
            at 
org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
            at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
            at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
            at 
org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
            at 
org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
            at 
org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
            at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
            at 
org.apache.zeppelin.server.CorsFilter.doFilter(CorsFilter.java:72)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
            at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
            at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:229)
            at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
            at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
            at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
            at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
            at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
            at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
            at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
            at org.eclipse.jetty.server.Server.handle(Server.java:370)
            at 
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
            at 
org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)
            at 
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)
            at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
            at 
org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
            at 
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
            at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)
            at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
            at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
            at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
            at java.lang.Thread.run(Thread.java:745)
    Caused by: java.lang.RuntimeException: Invalid artifact to load
            at 
org.apache.zeppelin.dep.DependencyResolver.load(DependencyResolver.java:75)
            at 
org.apache.zeppelin.dep.DependencyResolver.load(DependencyResolver.java:91)
            at 
org.apache.zeppelin.interpreter.InterpreterFactory.loadInterpreterDependencies(InterpreterFactory.java:281)
            at 
org.apache.zeppelin.interpreter.InterpreterFactory.setPropertyAndRestart(InterpreterFactory.java:590)
            at 
org.apache.zeppelin.rest.InterpreterRestApi.updateSetting(InterpreterRestApi.java:130)
            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
            at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
            at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.lang.reflect.Method.invoke(Method.java:497)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
            ... 53 more
    WARN [2016-02-12 12:21:03,912] ({qtp497359413-3998} 
ServletHandler.java[doHandle]:536) -
    javax.servlet.ServletException: java.lang.RuntimeException: 
org.apache.cxf.interceptor.Fault: Invalid artifact to load
            at 
org.apache.shiro.web.servlet.AdviceFilter.cleanup(AdviceFilter.java:196)
            at 
org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:148)
            at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
            at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
            at 
org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
            at 
org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
            at 
org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
            at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
            at 
org.apache.zeppelin.server.CorsFilter.doFilter(CorsFilter.java:72)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
            at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
            at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:229)
            at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
            at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
            at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
            at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
            at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
            at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
            at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
            at org.eclipse.jetty.server.Server.handle(Server.java:370)
            at 
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
            at 
org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)
            at 
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)
            at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
            at 
org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
            at 
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
            at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)
            at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
            at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
            at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
            at java.lang.Thread.run(Thread.java:745)
    Caused by: java.lang.RuntimeException: org.apache.cxf.interceptor.Fault: 
Invalid artifact to load
            at 
org.apache.cxf.interceptor.AbstractFaultChainInitiatorObserver.onMessage(AbstractFaultChainInitiatorObserver.java:116)
            at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:333)
            at 
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
            at 
org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:239)
            at 
org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:248)
            at 
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:222)
            at 
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153)
            at 
org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:167)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPut(AbstractHTTPServlet.java:223)
            at javax.servlet.http.HttpServlet.service(HttpServlet.java:598)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262)
            at 
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1496)
            at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
            at 
org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
            at 
org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
            ... 33 more
    Caused by: org.apache.cxf.interceptor.Fault: Invalid artifact to load
            at 
org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128)
            at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:192)
            at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:100)
            at 
org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:57)
            at 
org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:93)
            at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
            ... 48 more
    Caused by: java.lang.RuntimeException: Invalid artifact to load
            at 
org.apache.zeppelin.dep.DependencyResolver.load(DependencyResolver.java:75)
            at 
org.apache.zeppelin.dep.DependencyResolver.load(DependencyResolver.java:91)
           at 
org.apache.zeppelin.interpreter.InterpreterFactory.loadInterpreterDependencies(InterpreterFactory.java:281)
            at 
org.apache.zeppelin.interpreter.InterpreterFactory.setPropertyAndRestart(InterpreterFactory.java:590)
            at 
org.apache.zeppelin.rest.InterpreterRestApi.updateSetting(InterpreterRestApi.java:130)
            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
            at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
            at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.lang.reflect.Method.invoke(Method.java:497)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
            ... 53 more
    WARN [2016-02-12 12:21:03,913] ({qtp497359413-3998} 
ServletHandler.java[doHandle]:561) - /api/interpreter/setting/2BA27WAPZ
    java.lang.RuntimeException: org.apache.cxf.interceptor.Fault: Invalid 
artifact to load
            at 
org.apache.cxf.interceptor.AbstractFaultChainInitiatorObserver.onMessage(AbstractFaultChainInitiatorObserver.java:116)
            at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:333)
            at 
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
            at 
org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:239)
            at 
org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:248)
            at 
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:222)
            at 
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153)
            at 
org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:167)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPut(AbstractHTTPServlet.java:223)
            at javax.servlet.http.HttpServlet.service(HttpServlet.java:598)
            at 
org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262)
            at 
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1496)
            at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
            at 
org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
            at 
org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
            at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
            at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
            at 
org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
            at 
org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
            at 
org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
            at 
org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
            at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
            at 
org.apache.zeppelin.server.CorsFilter.doFilter(CorsFilter.java:72)
            at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
            at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
            at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:229)
            at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
            at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
            at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
            at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
            at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
            at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
            at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
            at org.eclipse.jetty.server.Server.handle(Server.java:370)
            at 
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
            at 
org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)
            at 
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)
            at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
            at 
org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
            at 
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
            at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)
            at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
            at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
            at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
            at java.lang.Thread.run(Thread.java:745)
    Caused by: org.apache.cxf.interceptor.Fault: Invalid artifact to load
            at 
org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128)
            at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:192)
            at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:100)
            at 
org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:57)
            at 
org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:93)
            at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
            ... 48 more
    Caused by: java.lang.RuntimeException: Invalid artifact to load
            at 
org.apache.zeppelin.dep.DependencyResolver.load(DependencyResolver.java:75)
            at 
org.apache.zeppelin.dep.DependencyResolver.load(DependencyResolver.java:91)
            at 
org.apache.zeppelin.interpreter.InterpreterFactory.loadInterpreterDependencies(InterpreterFactory.java:281)
            at 
org.apache.zeppelin.interpreter.InterpreterFactory.setPropertyAndRestart(InterpreterFactory.java:590)
            at 
org.apache.zeppelin.rest.InterpreterRestApi.updateSetting(InterpreterRestApi.java:130)
            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
            at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
            at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.lang.reflect.Method.invoke(Method.java:497)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180)
            at 
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
            ... 53 more
    ```


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