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i am trying to start its webserver by executing the following commands .

cd ~/azkaban/azkaban-web-server/build/install/azkaban-web-server 
./bin/start-web.sh

i am getting the mentioned error

2023/08/28 07:20:01.412 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban] Exception in thread "main" 
2023/08/28 07:20:01.412 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban] java.lang.NoClassDefFoundError: org/apache/hadoop/conf/Configuration
2023/08/28 07:20:01.412 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at java.lang.Class.getDeclaredMethods0(Native Method)
2023/08/28 07:20:01.413 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
2023/08/28 07:20:01.413 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at java.lang.Class.getDeclaredMethods(Class.java:1975)
2023/08/28 07:20:01.413 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at com.google.inject.internal.ProviderMethodsModule.getProviderMethods(ProviderMethodsModule.java:132)
2023/08/28 07:20:01.413 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at com.google.inject.internal.ProviderMethodsModule.configure(ProviderMethodsModule.java:123)
2023/08/28 07:20:01.413 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at com.google.inject.spi.Elements$RecordingBinder.install(Elements.java:340)
2023/08/28 07:20:01.413 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at com.google.inject.spi.Elements$RecordingBinder.install(Elements.java:349)
2023/08/28 07:20:01.413 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at com.google.inject.spi.Elements.getElements(Elements.java:110)
2023/08/28 07:20:01.413 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at com.google.inject.internal.InjectorShell$Builder.build(InjectorShell.java:138)
2023/08/28 07:20:01.414 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:104)
2023/08/28 07:20:01.414 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at com.google.inject.Guice.createInjector(Guice.java:99)
2023/08/28 07:20:01.414 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at com.google.inject.Guice.createInjector(Guice.java:73)
2023/08/28 07:20:01.414 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at com.google.inject.Guice.createInjector(Guice.java:62)
2023/08/28 07:20:01.414 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at azkaban.webapp.AzkabanWebServer.main(AzkabanWebServer.java:263)
2023/08/28 07:20:01.414 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban] Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.conf.Configuration
2023/08/28 07:20:01.414 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
2023/08/28 07:20:01.415 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
2023/08/28 07:20:01.415 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
2023/08/28 07:20:01.415 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
2023/08/28 07:20:01.415 +0000 ERROR [StdOutErrRedirect] [main] [Azkaban]    ... 14 more
OneCricketeer
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fahad qazi
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  • Could you please explain in more detail what you are doing, what your problem is and provide some code and not just 200 lines of error messages! – Oberwalder Sven Aug 28 '23 at 08:01
  • @OberwalderSven i am trying to install azkaban which is a scheduler but when i am trying to start its webserver by executing the following commands . cd ~/azkaban/azkaban-web-server/build/install/azkaban-web-server ./bin/start-web.sh i am getting the mentioned error. – fahad qazi Aug 28 '23 at 08:07
  • @OberwalderSven for souce. code you. can refer azkaban official repository – fahad qazi Aug 28 '23 at 08:14
  • The error suggests you're missing Hadoop libraries on your classpath. So, install Hadoop first and try again? – OneCricketeer Aug 28 '23 at 13:05
  • Related https://github.com/azkaban/azkaban/issues/2884 – OneCricketeer Aug 28 '23 at 13:09

0 Answers0