Troubleshooting the IoT Java SDK

This section provides instructions for debugging common issues.

If you are getting the following error when trying to link the IoT Java Agent, it's because of a dependency on log4j.

CODE 
loader constraint violation: when resolving method "org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;" the class loader (instance of com/intellij/ide/plugins/cl/PluginClassLoader) of the current class, org/slf4j/LoggerFactory, and the class loader (instance of com/intellij/util/lang/UrlClassLoader) for the method's defining class, org/slf4j/impl/StaticLoggerBinder, have different Class objects for the type org/slf4j/ILoggerFactory used in the signature
java.lang.LinkageError: loader constraint violation: when resolving method "org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;" the class loader (instance of com/intellij/ide/plugins/cl/PluginClassLoader) of the current class, org/slf4j/LoggerFactory, and the class loader (instance of com/intellij/util/lang/UrlClassLoader) for the method's defining class, org/slf4j/impl/StaticLoggerBinder, have different Class objects for the type org/slf4j/ILoggerFactory used in the signature
	at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:273)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:241)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:254)
	at com.appdynamics.iot.Instrumentation.<clinit>(Instrumentation.java:39)
	...

To correct the problem, you need to remove the dependency that you added to enable logging. Thus, remove the line specifying the group org.slf4j shown below from dependencies:

JSON 
dependencies {
   ....
   runtime group: 'org.slf4j', name: 'slf4j-jdk14', version: '1.7.25'
   ....
}