All,

VM hosting apache Zeppelin 0.7.3 ran out of space. After cleaning the space 
users were receiving errors. Once trying to restart I got the following errors 
in the output log:
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at 
org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createSingletonInstance(CXFNonSpringJaxrsServlet.java:382)
        at 
org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createApplicationInstance(CXFNonSpringJaxrsServlet.java:454)
        at 
org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createServerFromApplication(CXFNonSpringJaxrsServlet.java:432)
        at 
org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.init(CXFNonSpringJaxrsServlet.java:93)
        at 
org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:616)
        at 
org.eclipse.jetty.servlet.ServletHolder.initialize(ServletHolder.java:396)
        at 
org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:871)
        at 
org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:298)
        at 
org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1349)
        at 
org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1342)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741)
        at 
org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:505)
        at 
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)
        at 
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
        at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:163)
        at 
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
        at org.eclipse.jetty.server.Server.start(Server.java:387)
        at 
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)



I see these errors in log:
INFO [2018-01-26 04:04:59,142] ({main} 
InterpreterSettingManager.java[init]:337) - InterpreterSettingRef name python
INFO [2018-01-26 04:04:59,143] ({main} 
InterpreterSettingManager.java[init]:337) - InterpreterSettingRef name jdbc
INFO [2018-01-26 04:04:59,143] ({main} 
InterpreterSettingManager.java[init]:337) - InterpreterSettingRef name psql
INFO [2018-01-26 04:04:59,143] ({main} 
InterpreterSettingManager.java[init]:337) - InterpreterSettingRef name angular
INFO [2018-01-26 04:04:59,143] ({main} 
InterpreterSettingManager.java[init]:337) - InterpreterSettingRef name spark
INFO [2018-01-26 04:04:59,143] ({main} 
InterpreterSettingManager.java[init]:337) - InterpreterSettingRef name alfred
WARN [2018-01-26 04:04:59,176] ({main} ContextHandler.java[log]:2062) - 
unavailable
javax.servlet.ServletException: Resource class 
org.apache.zeppelin.server.ZeppelinServer can not be instantiated due to 
InvocationTargetException
        at 
org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createSingletonInstance(CXFNonSpringJaxrsServlet.java:396)
        at 
org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createApplicationInstance(CXFNonSpringJaxrsServlet.java:454)
        at 
org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createServerFromApplication(CXFNonSpringJaxrsServlet.java:432)
        at 
org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.init(CXFNonSpringJaxrsServlet.java:93)
        at 
org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:616)
        at 
org.eclipse.jetty.servlet.ServletHolder.initialize(ServletHolder.java:396)
        at 
org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:871)
        at 
org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:298)



Please note that before running out of space, everything was coming up just 
fine. Can you please point me to where can I find cause of the problem?
Please help
Thank you
Alex
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