Web application is deployed, but hits following error message.

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
	at org.apache.commons.httpclient.HttpClient.<clinit>(
	at com.mkyong.SimpleHttp.main(


This is caused by the missing of commons-logging-xxx.jar.

To fix it, download the commons logging library via, or Maven repository


Then include it into your project classpath.

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