How to run Storm Topology class through command prompt? - batch-file

Question

Hi i have a single topology class with main method in it. It starts zookeeper and run in eclispe right click run as java application. But i am trying it to be able to run through batch file i have tried
java -classpath jar-with-classes-and-dependency.jar com.demo.Topology
but this gives me exception like this.
Exception in thread "main" java.lang.NoClassDefFoundError:
backtype/storm/generated/AlreadyAliveException
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
at java.lang.Class.getMethod0(Unknown Source)
at java.lang.Class.getMethod(Unknown Source)
at sun.launcher.LauncherHelper.getMainMethod(Unknown Source)
at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source) Caused by: java.lang.ClassNotFoundException:
backtype.storm.generated.AlreadyAliveException
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
I think this is about missing any dependency.
Please help in running this topology class.

Answer 1

Try running like this...
pathToStorm/bin/storm jar ./target/jar-with-classes-and-dependency.jar com.demo.Topology.
And remember, you should build your jar before doing this step. You can build your jar by running
mvn clean install inside your storm project where your pom.xml file is located.