strom和kafka整合报java.lang.ClassNotFoundException: com.google.common.base.Strings异常

java.lang.NoClassDefFoundError: com/google/common/base/Strings
at org.apache.storm.kafka.KafkaSpout.declareOutputFields(KafkaSpout.java:206) ~[storm-kafka-1.1.0.jar:1.1.0]
at org.apache.storm.topology.TopologyBuilder.getComponentCommon(TopologyBuilder.java:432) ~[storm-core-1.1.0.jar:1.1.0]
at org.apache.storm.topology.TopologyBuilder.createTopology(TopologyBuilder.java:136) ~[storm-core-1.1.0.jar:1.1.0]
at cn.yuli.storm.wordCount.KafkaTopo.main(KafkaTopo.java:34) ~[classes/:?]
Caused by: java.lang.ClassNotFoundException: com.google.common.base.Strings
at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_112]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_112]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~[?:1.8.0_112]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_112]
... 4 more

<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>23.0</version>
</dependency>