This is a known issue of IDEA; We should update the doc to add this (will do that tomorrow):
In your IDEA, Open the file server/kylin-server.iml, search and replace all ³PROVIDED² with ³COMPILE², and then save; After that, run the DebugTomcat again, that error should be gone; On 7/22/15, 10:55 PM, "Dayue Gao" <[email protected]> wrote: >Hi geeks, > >I want to debug into Kylin's web server to find out how some internals >work. I've followed steps in >http://kylin.incubator.apache.org/docs/development/dev_env.html ><http://kylin.incubator.apache.org/docs/development/dev_env.html> to set >up my dev environment and have successfully run the >BuildCubeWithEngineTest. However the section "Launch Kylin Web Server" >seems a little outdated. > >I tried to run org.apache.kylin.rest.DebugTomcat in IDEA and got the >following error: > >Error: A JNI error has occurred, please check your installation and try >again >Exception in thread "main" java.lang.NoClassDefFoundError: >org/apache/catalina/LifecycleListener > at java.lang.Class.getDeclaredMethods0(Native Method) > at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) > at java.lang.Class.privateGetMethodRecursive(Class.java:3048) > at java.lang.Class.getMethod0(Class.java:3018) > at java.lang.Class.getMethod(Class.java:1784) > at > sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544) > at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526) >Caused by: java.lang.ClassNotFoundException: >org.apache.catalina.LifecycleListener > at java.net.URLClassLoader.findClass(URLClassLoader.java:381) > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > ... 7 more > >Could you help provide some information about how to debug the server? >I'm using the latest code in 0.7 branch. > >Best Regards, >Dayue
