此java文件生成蚂蚁构建错误，如下
Buildfile: /home/masa/Public/git/jaydle-project/build.xml
Initialize:
[delete] Deleting directory /home/masa/Public/git/jaydle-project/bin
[delete] Deleting directory /home/masa/Public/git/jaydle-project/jar
[mkdir] Created dir: /home/masa/Public/git/jaydle-project/bin
[mkdir] Created dir: /home/masa/Public/git/jaydle-project/jar
Compile:
[javac] Compiling 6 source files to /home/masa/Public/git/jaydle-project/bin
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:241: error: cannot find symbol
[javac] class MenuListenerListMp3Files implements ActionListener
[javac] ^
[javac] symbol: class ActionListener
[javac] location: class JaydlePrototype
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:224: error: cannot find symbol
[javac] class MenuListenerListDirectory implements ActionListener
[javac] ^
[javac] symbol: class ActionListener
[javac] location: class JaydlePrototype
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:206: error: cannot find symbol
[javac] class MenuListenerClearDisplay implements ActionListener
[javac] ^
[javac] symbol: class ActionListener
[javac] location: class JaydlePrototype
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:187: error: cannot find symbol
[javac] class MenuListenerDisplayCurrentDir implements ActionListener
[javac] ^
[javac] symbol: class ActionListener
[javac] location: class JaydlePrototype
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:150: error: cannot find symbol
[javac] class MenuListenerSaveDir implements ActionListener
[javac] ^
[javac] symbol: class ActionListener
[javac] location: class JaydlePrototype
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:133: error: cannot find symbol
[javac] class ButtonListener implements ActionListener
[javac] ^
[javac] symbol: class ActionListener
[javac] location: class JaydlePrototype
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:117: error: cannot find symbol
[javac] public static class saveDirClass implements Serializable // Named as serObj instance
[javac] ^
[javac] symbol: class Serializable
[javac] location: class JaydlePrototype
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:94: error: method addActionListener in class AbstractButton cannot be applied to given types;
[javac] menuItem1.addActionListener(new MenuListenerSaveDir());
[javac] ^
[javac] required: ActionListener
[javac] found: JaydlePrototype.MenuListenerSaveDir
[javac] reason: argument mismatch; JaydlePrototype.MenuListenerSaveDir cannot be converted to ActionListener
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:95: error: method addActionListener in class AbstractButton cannot be applied to given types;
[javac] menuItem2Display.addActionListener(new MenuListenerDisplayCurrentDir());
[javac] ^
[javac] required: ActionListener
[javac] found: JaydlePrototype.MenuListenerDisplayCurrentDir
[javac] reason: argument mismatch; JaydlePrototype.MenuListenerDisplayCurrentDir cannot be converted to ActionListener
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:96: error: method addActionListener in class AbstractButton cannot be applied to given types;
[javac] menuItem3ClearDisplay.addActionListener(new MenuListenerClearDisplay());
[javac] ^
[javac] required: ActionListener
[javac] found: JaydlePrototype.MenuListenerClearDisplay
[javac] reason: argument mismatch; JaydlePrototype.MenuListenerClearDisplay cannot be converted to ActionListener
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:97: error: method addActionListener in class AbstractButton cannot be applied to given types;
[javac] menuItem4ListDirectory.addActionListener(new MenuListenerListDirectory());
[javac] ^
[javac] required: ActionListener
[javac] found: JaydlePrototype.MenuListenerListDirectory
[javac] reason: argument mismatch; JaydlePrototype.MenuListenerListDirectory cannot be converted to ActionListener
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:98: error: method addActionListener in class AbstractButton cannot be applied to given types;
[javac] menuItem5ListMp3Files.addActionListener(new MenuListenerListMp3Files());
[javac] ^
[javac] required: ActionListener
[javac] found: JaydlePrototype.MenuListenerListMp3Files
[javac] reason: argument mismatch; JaydlePrototype.MenuListenerListMp3Files cannot be converted to ActionListener
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:104: error: method addActionListener in class AbstractButton cannot be applied to given types;
[javac] button.addActionListener(new ButtonListener());
[javac] ^
[javac] required: ActionListener
[javac] found: JaydlePrototype.ButtonListener
[javac] reason: argument mismatch; JaydlePrototype.ButtonListener cannot be converted to ActionListener
[javac] /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java:169: error: method store in class Utilities cannot be applied to given types;
[javac] store(serObj, jaydleSerFile);
[javac] ^
[javac] required: Serializable,File
[javac] found: saveDirClass,File
[javac] reason: argument mismatch; saveDirClass cannot be converted to Serializable
[javac] 14 errors
BUILD FAILED
/home/masa/Public/git/jaydle-project/build.xml:38: Compile failed; see the compiler error output for details.
Total time: 1 second
源Java代码是
package jaydle;
/*180512(Sat)
* Youtube-Dl-Extended用のプロセスビルダーを書く
*
*/
import java.lang.ProcessBuilder;
import static jaydle.Main.*;
import static jaydle.Utilities.*;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;
import java.io.Serializable;
import java.util.*;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
public class JaydlePrototype extends JFrame
{
static JFrame frame;
static JTextArea textOut=new JTextArea();
static JScrollPane scrollpane=new JScrollPane(
textOut,JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
static String initText=("Please input URL");
static JTextField textIn=new JTextField(initText);
static JPanel panel =new JPanel();
static String strIn=null;
static List<String> cmdList= new ArrayList<>
(Arrays.asList(
"youtube-dl",
"--no-playlist",
"--extract-audio",
"--audio-format",
"mp3",
"-o",
"'%(title)s.%(ext)s'"
));
static String url;//="https://www.youtube.com/watch?v=FqVTzr3CfEg";
static BackgroundTask bgt; //Child class of SwingWorker
static ProcessBuilder pbNew;
static File jaydleSerFile=new File("jaydle.ser");
//Variables for ListMp3Files Method
static String TargetText;
static String TargetTextNohead;
static String TargetTextNoheadNoTail;
static String patternStr;
static String patternStrHead;
static String patternStrTail;
static String[] TargetTextSplitArray;
static File file;
static File fileStore;
static int n=0;
//For JTable
static Object[][] data;
static Object dataRow[];
static String[] columnNames= {
"FileName",
"Artist",
"Title",
};
public void initGuiApp()
{
JLabel text =new JLabel(""JAva Youtube-DL Exteded implementation by Masataka Nakamura"");
frame = new JFrame("Jaydle");
JMenuBar menuBar=new JMenuBar();
JMenu menu1=new JMenu("Store");
menuBar.add(menu1);
JMenuItem menuItem1=new JMenuItem("Change save directory");
JMenuItem menuItem2Display=new JMenuItem("Display current saving directory");
JMenuItem menuItem3ClearDisplay=new JMenuItem("Clear Display");
JMenuItem menuItem4ListDirectory=new JMenuItem("List Directory");
JMenuItem menuItem5ListMp3Files=new JMenuItem("List MP3 Files");
menu1.add(menuItem1);
menu1.add(menuItem2Display);
menu1.add(menuItem3ClearDisplay);
menu1.add(menuItem4ListDirectory);
menu1.add(menuItem5ListMp3Files);
menuItem1.addActionListener(new MenuListenerSaveDir());
menuItem2Display.addActionListener(new MenuListenerDisplayCurrentDir());
menuItem3ClearDisplay.addActionListener(new MenuListenerClearDisplay());
menuItem4ListDirectory.addActionListener(new MenuListenerListDirectory());
menuItem5ListMp3Files.addActionListener(new MenuListenerListMp3Files());
frame.setJMenuBar(menuBar);
textOut.setLineWrap(true);
JButton button=new JButton("Download");
button.setPreferredSize(new Dimension(100, 30));
button.addActionListener(new ButtonListener());
panel.setLayout(new BorderLayout());//このコードがパネルのレイアウト変更には必要
panel.add(BorderLayout.NORTH,text);//"Youtube-DL Exteded Java Implementation by Masataka Nakamura"
panel.add(BorderLayout.SOUTH,textIn);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(BorderLayout.CENTER,scrollpane);
frame.getContentPane().add(BorderLayout.NORTH,panel);
frame.getContentPane().add(BorderLayout.SOUTH,button);
frame.setSize(800,600);
frame.setVisible(true);
}
//End of init()
public static class saveDirClass implements Serializable // Named as serObj instance
{
private File saveDirSerializable;
public void setPath(File path)
{
saveDirSerializable=path;
}
public File getPath()
{
return saveDirSerializable;
}
}
class ButtonListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
strIn=textIn.getText();
if(strIn.length()>13)
url=strIn;
cmdListSetter(strIn);
printList(cmdList);
//dlAudio(strIn);
bgt=new BackgroundTask();
bgt.execute();
}
}
class MenuListenerSaveDir implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
JFileChooser filechooser=new JFileChooser();
filechooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
//int retFileChooser=filechooser.showOpenDialog(this);
//(this)だとエラーになる
int retFileChooser=filechooser.showOpenDialog(panel);
//https://www.javadrive.jp/tutorial/jfilechooser/index2.html
//からコピペ
if (retFileChooser == JFileChooser.APPROVE_OPTION)
{
saveDirectory = filechooser.getSelectedFile();
saveDirString=filechooser.getSelectedFile().toString();
serObj.setPath(saveDirectory);
try
{
println("serObj.getPath().toString returns "+serObj.getPath().toString());
store(serObj, jaydleSerFile);
}
catch(IOException ex)
{
println("IOException, jaydle.ser around wrong...");
}
}
else if (retFileChooser == JFileChooser.CANCEL_OPTION)
{
//label.setText("キャンセルされました");
}
else if (retFileChooser == JFileChooser.ERROR_OPTION)
{
//label.setText("エラー又は取消しがありました");
}
}
}
class MenuListenerDisplayCurrentDir implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
println("Display current saving directory clicked!");
try
{
//saveDirectory=pbNew.directory();
//println("saveDirectory is "+saveDirectory.toString()); This statement made error.
//saveDirectory.toString(); this also bad.
textOut.append(serObj.getPath().toString()+"n");
}
catch(NullPointerException exc){
println("File type something null pointer.");
exc.printStackTrace();
}
}
}
class MenuListenerClearDisplay implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
println("Clear Display command clicked!");
try
{
textOut.selectAll();
textOut.replaceSelection("");
}
catch(NullPointerException exc)
{
println("File type something null pointer.");
exc.printStackTrace();
}
}
}
class MenuListenerListDirectory implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
println("List Directory command clicked!");
try
{
jls(serObj.getPath().toString());
}
catch(NullPointerException exc)
{
println("File type something null pointer.");
exc.printStackTrace();
}
}
}
class MenuListenerListMp3Files implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
Id3Tagger gui=new Id3Tagger();
gui.initGuiId3Tagger();
}
}
static void jls(String file)
{
try
{
File homeDir = new File(file);
String[] homeDirList=homeDir.list(); //ファイルオブジェクトのリストメソッドをつかう
//結果をストリングス配列に格納
Arrays.sort(homeDirList);
for (String i : homeDirList)
{
if (i.charAt(0) == '.') ;
else
{
System.out.print(i + ",");
System.out.println();
textOut.append(i);
textOut.append("n");
}
}
System.out.println();
}
catch(NullPointerException e)
{
e.printStackTrace(); // IMPORTANT
}
}//jlsおわり
public void printDoubleDimentionArray()
{
for(int i=0;i<data.length;i++)
{
for(int j=0;j<data[i].length;j++)
{
println(data[i][j]);
}
}
}
public static List<String> toList(String[] strArray)
{
try
{
//List<String> cmdList=new ArrayList<String>();
for(String s:strArray)
{
cmdList.add(s);
}
return cmdList;
}catch(Exception e)
{
e.printStackTrace();
}
return null;
}
public static void cmdListSetter(String url)
{
//String[] audioDl= {"youtube-dl","--no-playlist","--extract-audio","--audio-format","mp3",url,"-o","'%(title)s.%(ext)s'"};
println("From cmdListGenerator: content of variable url = "+url);
//cmdList.set(5,url);
//printList(audioDl);
cmdList.add(5,url);
}
}
//end of class ProcessBuild
我是蚂蚁的新手，但使用ActionListener应用程序检查了另一个，这是成功的。我检查了导入语句并谷歌搜索错误代码，但找不到案例" Eclipse可以，但没有通过Ant"案例。
。还检查了ant build.xml文件，但我似乎还可以。
<?xml version="1.0" encoding="UTF-8" ?>
<project name="jaydle-project" basedir="." default="Main Build">
<property name="bin" location="bin"/>
<property name="src" location="src"/>
<property name="srcdir" location="${src}/jaydle"/>
<property name="resources" location="resources"/>
<property name="jardir" location="jar"/>
<property name="jarjaydledl" location="${jardir}/JaydleDownloader.jar"/>
<property name="jarjaydlemm" location="${jardir}/JaydleMusicManager.jar"/>
<property name="main-class" location="Main"/>
<path id="classpath">
<fileset dir="${resources}" includes="**/*.jar"/>
</path>
<target name = "Main Build" depends="Initialize,Compile">
<echo message = "Ant at work!" />
</target>
<target name="Initialize">
<delete dir="${bin}"/>
<delete dir="${jardir}"/>
<mkdir dir="${bin}"/>
<mkdir dir="${jardir}"/>
</target>
<target name="Compile" depends="Initialize">
<javac
classpathref="classpath"
srcdir="${src}"
destdir="${bin}"
includeantruntime="false"
source="1.8"
target="1.8"
fork="true"
debug="true"
>
<compilerarg value="-Xdiags:verbose"/>
</javac>
</target>
</project>
为什么蚂蚁抱怨符号和类型？
因为...
Eclipse使用EJC（Eclipse Java编译器），比标准Java编译器更容易编译错误。因此，使用ANT构建脚本的EJC解决了此问题。
put
org.eclipse.jdt.core_xxx.jar
jdtCompilerAdapter.jar
root项目目录下的蚂蚁lib目录并运行>外部工具>外部工具配置> JRE>在与工作区相同的JRE中运行
将下面的代码添加到build.xml文件。
<typedef name="ecj" classname="org.eclipse.jdt.core.JDTCompilerAdapter">
<classpath>
<fileset dir="ant-lib" includes="*.jar" />
</classpath>
</typedef>
添加
compiler="org.eclipse.jdt.core.JDTCompilerAdapter"
to
<target name="Compile" depends="Initialize">
<javac
classpathref="classpath"
srcdir="${src}"
destdir="${bin}"
...
执行build.xml ...
Buildfile: /home/masa/Public/git/jaydle-project/build.xml
Initialize:
[delete] Deleting directory /home/masa/Public/git/jaydle-project/bin
[delete] Deleting directory /home/masa/Public/git/jaydle-project/jar
[mkdir] Created dir: /home/masa/Public/git/jaydle-project/bin
[mkdir] Created dir: /home/masa/Public/git/jaydle-project/jar
Compile:
[javac] Since compiler setting isn't classic or modern, ignoring fork setting.
[javac] Since compiler setting isn't classic or modern, ignoring fork setting.
[javac] Compiling 6 source files to /home/masa/Public/git/jaydle-project/bin
[javac] Since compiler setting isn't classic or modern, ignoring fork setting.
[javac] ----------
[javac] 1. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/Id3Tagger.java (at line 3)
[javac] import java.util.ArrayList;
[javac] ^^^^^^^^^^^^^^^^^^^
[javac] The import java.util.ArrayList is never used
[javac] ----------
[javac] 2. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/Id3Tagger.java (at line 5)
[javac] import java.util.List;
[javac] ^^^^^^^^^^^^^^
[javac] The import java.util.List is never used
[javac] ----------
[javac] 3. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/Id3Tagger.java (at line 22)
[javac] import static jaydle.BackgroundTask.*;
[javac] ^^^^^^^^^^^^^^^^^^^^^
[javac] The import jaydle.BackgroundTask is never used
[javac] ----------
[javac] 4. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/Id3Tagger.java (at line 25)
[javac] public class Id3Tagger extends JFrame
[javac] ^^^^^^^^^
[javac] The serializable class Id3Tagger does not declare a static final serialVersionUID field of type long
[javac] ----------
[javac] 5. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/Id3Tagger.java (at line 32)
[javac] private boolean DEBUG = true;
[javac] ^^^^^
[javac] The value of the field Id3Tagger.DEBUG is not used
[javac] ----------
[javac] 6. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/Id3Tagger.java (at line 49)
[javac] Matcher matcher=pattern.matcher(TargetText);
[javac] ^^^^^^^
[javac] The value of the local variable matcher is not used
[javac] ----------
[javac] ----------
[javac] 7. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/JaydleMusicManager.java (at line 7)
[javac] import java.util.ArrayList;
[javac] ^^^^^^^^^^^^^^^^^^^
[javac] The import java.util.ArrayList is never used
[javac] ----------
[javac] 8. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/JaydleMusicManager.java (at line 8)
[javac] import java.util.Arrays;
[javac] ^^^^^^^^^^^^^^^^
[javac] The import java.util.Arrays is never used
[javac] ----------
[javac] 9. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/JaydleMusicManager.java (at line 10)
[javac] import java.util.regex.Matcher;
[javac] ^^^^^^^^^^^^^^^^^^^^^^^
[javac] The import java.util.regex.Matcher is never used
[javac] ----------
[javac] 10. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/JaydleMusicManager.java (at line 11)
[javac] import java.util.regex.Pattern;
[javac] ^^^^^^^^^^^^^^^^^^^^^^^
[javac] The import java.util.regex.Pattern is never used
[javac] ----------
[javac] 11. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/JaydleMusicManager.java (at line 14)
[javac] import com.mpatric.mp3agic.ID3v2;
[javac] ^^^^^^^^^^^^^^^^^^^^^^^^^
[javac] The import com.mpatric.mp3agic.ID3v2 is never used
[javac] ----------
[javac] 12. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/JaydleMusicManager.java (at line 15)
[javac] import com.mpatric.mp3agic.Mp3File;
[javac] ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[javac] The import com.mpatric.mp3agic.Mp3File is never used
[javac] ----------
[javac] 13. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/JaydleMusicManager.java (at line 17)
[javac] import jaydle.JaydlePrototype.ButtonListener;
[javac] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[javac] The import jaydle.JaydlePrototype.ButtonListener is never used
[javac] ----------
[javac] 14. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/JaydleMusicManager.java (at line 21)
[javac] import static jaydle.BackgroundTask.*;
[javac] ^^^^^^^^^^^^^^^^^^^^^
[javac] The import jaydle.BackgroundTask is never used
[javac] ----------
[javac] 15. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/JaydleMusicManager.java (at line 47)
[javac] private boolean DEBUG = true;
[javac] ^^^^^
[javac] The value of the field JaydleMusicManager.DEBUG is not used
[javac] ----------
[javac] ----------
[javac] 16. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java (at line 31)
[javac] public class JaydlePrototype extends JFrame
[javac] ^^^^^^^^^^^^^^^
[javac] The serializable class JaydlePrototype does not declare a static final serialVersionUID field of type long
[javac] ----------
[javac] 17. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/JaydlePrototype.java (at line 117)
[javac] public static class saveDirClass implements Serializable // Named as serObj instance
[javac] ^^^^^^^^^^^^
[javac] The serializable class saveDirClass does not declare a static final serialVersionUID field of type long
[javac] ----------
[javac] ----------
[javac] 18. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/Main.java (at line 4)
[javac] import static jaydle.JaydlePrototype.*;
[javac] ^^^^^^^^^^^^^^^^^^^^^^
[javac] The import jaydle.JaydlePrototype is never used
[javac] ----------
[javac] 19. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/Main.java (at line 5)
[javac] import static jaydle.BackgroundTask.*;
[javac] ^^^^^^^^^^^^^^^^^^^^^
[javac] The import jaydle.BackgroundTask is never used
[javac] ----------
[javac] ----------
[javac] 20. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/Utilities.java (at line 2)
[javac] import static jaydle.Utilities.println;
[javac] ^^^^^^^^^^^^^^^^^^^^^^^^
[javac] The import jaydle.Utilities.println is never used
[javac] ----------
[javac] 21. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/Utilities.java (at line 3)
[javac] import static jaydle.Utilities.regexFilterFileArray;
[javac] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[javac] The import jaydle.Utilities.regexFilterFileArray is never used
[javac] ----------
[javac] 22. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/Utilities.java (at line 4)
[javac] import static jaydle.Utilities.regexFilterList;
[javac] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[javac] The import jaydle.Utilities.regexFilterList is never used
[javac] ----------
[javac] 23. WARNING in /home/masa/Public/git/jaydle-project/src/jaydle/Utilities.java (at line 134)
[javac] ObjectInputStream ois = new ObjectInputStream(fis);
[javac] ^^^
[javac] Resource leak: 'ois' is never closed
[javac] ----------
[javac] 23 problems (23 warnings)
Main Build:
[echo] Ant at work!
BUILD SUCCESSFUL
Total time: 674 milliseconds
生成警告，但建立成功。
，但仍必须修改为标准Java编译器...