java.lang.NoClassDefFoundError: com/i2group/apollo/externaldata/loader/IDataLoader


Samebug tips

Check if you didn't forget to instantiate your topic in the kafka broker.


7 months ago
Expert tip

A few things cause this exception:
1) Check if you have all jars and if they're in the correct path.
2) Your classpath might be broken, you can define it in the command line with java -cp yourClassPath or at your IDE if you're using one.


9 months ago
Expert tip

Solutions on the web

Solution icon of github
com/i2group/apollo/externaldata/loader/IDataLoader

Stack trace

java.lang.NoClassDefFoundError: com/i2group/apollo/externaldata/loader/IDataLoader
	at com.example.ExampleDataLoaderMain.main(ExampleDataLoaderMain.java:57)
Caused by: java.lang.ClassNotFoundException: com.i2group.apollo.externaldata.loader.IDataLoader
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	... 1 more

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