I am running kafka consumer in windows and getting below ClassNotFoundException while reading from __consumer_offsets topic.
kafka\bin\windows>kafka-console-consumer.bat --bootstrap-server localhost:9092 --topic __consumer_offsets --from-beginning --consumer-property "exclude.internal.topics":"false" --formatter "kafka.coordinator.group.GroupMetadataManager\$OffsetsMessageFormatter"
Exception in thread "main" java.lang.ClassNotFoundException: kafka.coordinator.group.GroupMetadataManager\$OffsetsMessageFormatter
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at kafka.tools.ConsoleConsumer$ConsumerConfig.<init>(ConsoleConsumer.scala:297)
at kafka.tools.ConsoleConsumer$.main(ConsoleConsumer.scala:52)
at kafka.tools.ConsoleConsumer.main(ConsoleConsumer.scala)