日期:2014-05-18  浏览次数:20822 次

500分求解dom4j装载30M左右XML文件内存溢出,分不够我开号给
代码如下,我是用的sax为什么也会内存溢出?是不是哪里内存没释放,请高手帮忙看看
import   java.io.*;
import   java.net.MalformedURLException;
import   java.util.Iterator;
import   java.util.List;

import   org.dom4j.*;
import   org.dom4j.io.SAXReader;

public   class   ReadAndInsert   {
public   static   void   main(String   args[])
{
SAXReader   sax   =   new   SAXReader();
sax.addHandler( "/DATA/user01 ",   new   UserHandler());
try   {
sax.read(new   File( "c:/exp/friend.xml "));
}   catch   (DocumentException   e)   {
e.printStackTrace();
}
}
public   static   class   UserHandler   implements   ElementHandler
{
Element   e   =   null;
public   void   onStart(ElementPath   path)   {
e   =   path.getCurrent();
path.addHandler( "USERID ",   new   NameHandler());
path.addHandler( "FNAME ",   new   NameHandler());
path.addHandler( "ORGID ",   new   NameHandler());
path.addHandler( "ORGNAME ",   new   NameHandler());
path.addHandler( "FROMORG ",   new   NameHandler());
System.out.println(path.getPath()+ "*************************** ");
//System.out.println(e.getName()+ ": "+e.getText());  

}
public   void   onEnd(ElementPath   path)   {
path.removeHandler( "USERID ");
path.removeHandler( "FNAME ");
path.removeHandler( "ORGID ");
path.removeHandler( "ORGNAME ");
path.removeHandler( "FROMORG ");
}

}
public   static   class   NameHandler   implements   ElementHandler
{
Element   e   =   null;

public   void   onStart(ElementPath   path)   {

System.out.println(path.getPath());
}
public   void   onEnd(ElementPath   path)   {
        e   =   path.getCurrent();
System.out.println(e.getName()+ ": "+e.getText());

}

}

}


------解决方案--------------------
调调jvm的虚拟内存试试
------解决方案--------------------
默认是 <=512M吧?不太清楚了。
程序本身好像没什么问题