GRAVE: Servlet.service() for servlet [it.eng.spagobi.rest.application.JAXRSApplication] in context with path [/knowagedataminingengine] threw exception
org.jboss.resteasy.spi.UnhandledException: java.lang.NoClassDefFoundError: Could not initialize class org.jpy.PyLib
at org.jboss.resteasy.core.ExceptionHandler.handleApplicationException(ExceptionHandler.java:78)
at org.jboss.resteasy.core.ExceptionHandler.handleException(ExceptionHandler.java:222)
at org.jboss.resteasy.core.SynchronousDispatcher.writeException(SynchronousDispatcher.java:171)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:414)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:205)
at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:228)
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.jpy.PyLib
at it.eng.spagobi.engines.datamining.compute.DataMiningPythonExecutor.setExecEnvironment(DataMiningPythonExecutor.java:153)
at it.eng.spagobi.engines.datamining.common.FunctionExecutor.executeDataminingInstance(FunctionExecutor.java:56)
at it.eng.spagobi.engines.datamining.common.FunctionExecutor.execute(FunctionExecutor.java:146)
at it.eng.spagobi.engines.datamining.api.FunctionExecutionResource.executeSampleCatalogFunctionById(FunctionExecutionResource.java:48)
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:498)
at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:140)
at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:294)
at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:248)
at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:235)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:398)
... 24 more
