catch里面用e.printStackTrace();看看具体哪里报什么错。
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at org.jdom.input.SAXBuilder.build(SAXBuilder.java:323)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:340)
at com.iacart.comm.SysInfo.init(SysInfo.java:34) //这一行是指定xml文件的地方
at com.iacart.comm.SysInfo.<init>(SysInfo.java:20)//上面一段程序是init()方法里面的,这一行是程序调用init()方法的地方.
at com.iacart.comm.SysInfo.main(SysInfo.java:68)//main方法
Root cause: java.net.MalformedURLException
at java.net.URL.<init>(URL.java:571)
at java.net.URL.<init>(URL.java:434)
at java.net.URL.<init>(URL.java:383)
at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown So
urce)
at org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:305)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:340)
at com.iacart.comm.SysInfo.init(SysInfo.java:34)
at com.iacart.comm.SysInfo.<init>(SysInfo.java:20)
at com.iacart.comm.SysInfo.main(SysInfo.java:68)
Root cause: java.net.MalformedURLException
at java.net.URL.<init>(URL.java:571)
at java.net.URL.<init>(URL.java:434)
at java.net.URL.<init>(URL.java:383)
at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown So
urce)
at org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:305)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:340)
at com.iacart.comm.SysInfo.init(SysInfo.java:34)
at com.iacart.comm.SysInfo.<init>(SysInfo.java:20)
at com.iacart.comm.SysInfo.main(SysInfo.java:68)Press any key to continue...
Document doc = sb.build("C:/config.xml");