1 java.lang.NoClassDefFoundError: backtype/storm/topology/IRichSpout
 2     at java.lang.Class.getDeclaredMethods0(Native Method)
 3     at java.lang.Class.privateGetDeclaredMethods(Class.java:2625)
 4     at java.lang.Class.getMethod0(Class.java:2866)
 5     at java.lang.Class.getMethod(Class.java:1676)
 6     at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:494)
 7     at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:486)
 8 Caused by: java.lang.ClassNotFoundException: backtype.storm.topology.IRichSpout
 9     at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
10     at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
11     at java.security.AccessController.doPrivileged(Native Method)
12     at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
13     at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
14     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
15     at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
16     ... 6 more
17 Exception in thread "main"
18 Process finished with exit code 1

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.bie</groupId><artifactId>storm</artifactId><version>1.0-SNAPSHOT</version><!-- storm的依赖关系 --><dependencies><dependency><groupId>org.apache.storm</groupId><artifactId>storm-core</artifactId><version>0.9.5</version><!--<scope>provided</scope>--></dependency></dependencies><!--如果依赖外部包，就打不进去外部包，所以需要引入下面所示--><build><plugins><plugin><!--把其他外部依赖的jar包打成一个大jar包--><artifactId>maven-assembly-plugin</artifactId><configuration><descriptorRefs><descriptorRef>jar-with-dependencies</descriptorRef></descriptorRefs><archive><manifest><mainClass>com.bie.wordcount.WordCountTopologyMain</mainClass></manifest></archive></configuration><executions><execution><id>make-assembly</id><phase>package</phase><goals><goal>single</goal></goals></execution></executions></plugin><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><configuration><source>1.7</source><target>1.7</target></configuration></plugin></plugins></build></project>