java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory

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,
via github.com by Unknown author

This is because SLF4J jar file needs to be added into your application's classpath. In order to fix this issue you have to provide one of the various SLF4J implementation .jar files in the classpath, as well as the interface .jar file.

,
via oracle.com by Unknown author

App tries to load in a class through its string name using forName method in class Class, findSystemClass method in class ClassLoader, loadClass method in class ClassLoader but no definition for the class with the specified name could be found.

Solutions on the web

via Stack Overflow by Tiya
, 1 year ago
org/slf4j/LoggerFactory
java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at com.blackbear.flatworm.ConversionHelper.(ConversionHelper.java:47)
at com.blackbear.flatworm.FileFormat.(FileFormat.java:50)
at com.blackbear.flatworm.ConfigurationReader.traverse(ConfigurationReader.java:200)
at com.blackbear.flatworm.ConfigurationReader.loadConfigurationFile(ConfigurationReader.java:89)
at com.blackbear.flatworm.ConfigurationReader.loadConfigurationFile(ConfigurationReader.java:63)
at undefined.MyConverter.getObjects(MyConverter.java:39)
at undefined.MyConverter.main(MyConverter.java:30)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)

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