哪位大神帮我看看 这个是什么错啊
Exception in thread "main" java.lang.NoClassDefFoundError: kafka/api/OffsetRequest
at storm.kafka.KafkaConfig.<init>(KafkaConfig.java:22)
at storm.kafka.SpoutConfig.<init>(SpoutConfig.java:15)
at com.storm.topology.MyTopology.main(MyTopology.java:24)
Caused by: java.lang.ClassNotFoundException: kafka.api.OffsetRequest
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)
... 3 more
Exception in thread "main" java.lang.NoSuchMethodError: storm.kafka.SpoutConfig.forceStartOffsetTime(J)V
at com.storm.topology.MyTopology.main(MyTopology.java:28)