Github user eranwitkon commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/223#issuecomment-132481889
I updated the code based on the comments above and committed again.
Ready for review...
Eran
On Wed, Aug 19, 2015 at 9:17 AM IT CTO <goi....@gmail.com> wrote:
> Here is the repro steps:
> 1) run zeppelin
> 2) using some REST client call the update settings with the following JSON
>
{"id":"2AVJY1M6F","name":"md","group":"md","properties":{"propname":"propvalue"},"interpreterGroup":[{"class":"org.apache.zeppelin.markdown.Markdown","name":"md"}]}
> - NOTE that I intentionally omitted the option part
> 3) Now look at the log file:
> INFO [2015-08-19 09:14:13,106] ({qtp2095490653-44}
> InterpreterRestApi.java[updateSetting]:111) - Update interpreterSetting
> 2AVGGNEKP
> WARN [2015-08-19 09:14:13,121] ({qtp2095490653-44}
> LogUtils.java[doLog]:452) - Application {
> http://rest.zeppelin.apache.org/}NotebookRestApi has thrown exception,
> unwinding now
> org.apache.cxf.interceptor.Fault
> 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.zeppelin.server.CorsFilter.doFilter(CorsFilter.java:53)
> 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.NullPointerException
> at
>
org.apache.zeppelin.interpreter.InterpreterFactory.createInterpreterGroup(InterpreterFactory.java:361)
> at
>
org.apache.zeppelin.interpreter.InterpreterFactory.setPropertyAndRestart(InterpreterFactory.java:515)
> at
>
org.apache.zeppelin.rest.InterpreterRestApi.updateSetting(InterpreterRestApi.java:116)
> 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)
> ... 40 more
> WARN [2015-08-19 09:14:13,239] ({qtp2095490653-44}
> PhaseInterceptorChain.java[unwind]:444) - Exception in handleFault on
> interceptor
> org.apache.cxf.binding.xml.interceptor.XMLFaultOutInterceptor@51637100
> org.apache.cxf.interceptor.Fault
> 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.zeppelin.server.CorsFilter.doFilter(CorsFilter.java:53)
> 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.NullPointerException
> at
>
org.apache.zeppelin.interpreter.InterpreterFactory.createInterpreterGroup(InterpreterFactory.java:361)
> at
>
org.apache.zeppelin.interpreter.InterpreterFactory.setPropertyAndRestart(InterpreterFactory.java:515)
> at
>
org.apache.zeppelin.rest.InterpreterRestApi.updateSetting(InterpreterRestApi.java:116)
> 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)
> ... 40 more
> ERROR [2015-08-19 09:14:13,242] ({qtp2095490653-44}
> AbstractFaultChainInitiatorObserver.java[onMessage]:115) - Error occurred
> during error handling, give up!
> org.apache.cxf.interceptor.Fault
> 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.zeppelin.server.CorsFilter.doFilter(CorsFilter.java:53)
> 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.NullPointerException
> at
>
org.apache.zeppelin.interpreter.InterpreterFactory.createInterpreterGroup(InterpreterFactory.java:361)
> at
>
org.apache.zeppelin.interpreter.InterpreterFactory.setPropertyAndRestart(InterpreterFactory.java:515)
> at
>
org.apache.zeppelin.rest.InterpreterRestApi.updateSetting(InterpreterRestApi.java:116)
> 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)
> ... 40 more
> WARN [2015-08-19 09:14:13,245] ({qtp2095490653-44}
> ServletHandler.java[doHandle]:561) - /api/interpreter/setting/2AVGGNEKP
> java.lang.RuntimeException: org.apache.cxf.interceptor.Fault
> 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.zeppelin.server.CorsFilter.doFilter(CorsFilter.java:53)
> 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
> 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)
> ... 35 more
> Caused by:* java.lang.NullPointerException*
> at
>
org.apache.zeppelin.interpreter.InterpreterFactory.createInterpreterGroup(InterpreterFactory.java:361)
> at
>
org.apache.zeppelin.interpreter.InterpreterFactory.setPropertyAndRestart(InterpreterFactory.java:515)
> at
>
org.apache.zeppelin.rest.InterpreterRestApi.updateSetting(InterpreterRestApi.java:116)
> 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)
> ... 40 more
>
>
>
> This is because we are trying to access the option variable when it is
NULL
> Eran
>
> On Wed, Aug 19, 2015 at 2:26 AM Felix Cheung <notificati...@github.com>
> wrote:
>
>> I didn't quite get, what was the root cause of the NPE?
>>
>> â
>> Reply to this email directly or view it on GitHub
>>
<https://github.com/apache/incubator-zeppelin/pull/223#issuecomment-132389778>
>> .
>>
>
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