java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory

at net.sf.json.AbstractJSON.<clinit>(AbstractJSON.java:54)

at day10.JsonToMap.getMapFromJsonObjStr(JsonToMap.java:17)

at day10.JsonToMap.main(JsonToMap.java:13)

Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory

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

原因：没有导入commons-logging-1.0.4包！