遇到的異常：
java.lang.ClassNotFoundException: org.apache.commons.codec.DecoderException at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) at org.apache.commons.httpclient.HttpMethodBase.<init>(Unknown Source) at org.apache.commons.httpclient.methods.ExpectContinueMethod.<init>(Unknown Source) at org.apache.commons.httpclient.methods.EntityEnclosingMethod.<init>(Unknown Source) at org.apache.commons.httpclient.methods.PostMethod.<init>(Unknown Source) at org.becit.process.SMSHttpClient.getPostMethod(SMSHttpClient.java:132) at org.becit.process.SMSHttpClient.sendSMS(SMSHttpClient.java:39) at org.compiere.util.EMail.sendHtmlEmailWith73(EMail.java:114) at org.compiere.model.MCRMLead.afterSave(MCRMLead.java:158) at org.compiere.model.PO.saveFinish(PO.java:2055) at org.compiere.model.PO.saveNew(PO.java:2611) at org.compiere.model.PO.save(PO.java:1977) at org.compiere.model.MUser.createLead(MUser.java:1229)
解決辦法：
前往：http://commons.apache.org/proper/commons-codec/download_codec.cgi
選中途中的下載到本地，提取里面的jar包：（如圖所示）
將commons-codec-1.14.jar安裝到項目中，ok
本人親測沒問題!