Question

我创建了一个需要将mail.jar添加到Classpath的项目...所以我做到了，并且在IDE中运行后，所有内容都可以工作... a

尝试使用launch4j编译具有自定义类路径的.exe文件后，得到以下输出：

    Executing: C:\Users\resti\Desktop\tic-tac-toe.exe
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: javax/mail/Authenticator
    at mail.FileListing.Listuj(FileListing.java:54)
    at mail.GUI.jButton1ActionPerformed(GUI.java:147)
    at mail.GUI.access$000(GUI.java:16)
    at mail.GUI$1.actionPerformed(GUI.java:51)
    at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
    at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
    at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
    at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
    at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
    at java.awt.Component.processMouseEvent(Unknown Source)
    at javax.swing.JComponent.processMouseEvent(Unknown Source)
    at java.awt.Component.processEvent(Unknown Source)
    at java.awt.Container.processEvent(Unknown Source)
    at java.awt.Component.dispatchEventImpl(Unknown Source)
    at java.awt.Container.dispatchEventImpl(Unknown Source)
    at java.awt.Component.dispatchEvent(Unknown Source)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
    at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
    at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
    at java.awt.Container.dispatchEventImpl(Unknown Source)
    at java.awt.Window.dispatchEventImpl(Unknown Source)
    at java.awt.Component.dispatchEvent(Unknown Source)
    at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
    at java.awt.EventQueue.access$500(Unknown Source)
    at java.awt.EventQueue$3.run(Unknown Source)
    at java.awt.EventQueue$3.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    at java.awt.EventQueue$4.run(Unknown Source)
    at java.awt.EventQueue$4.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    at java.awt.EventQueue.dispatchEvent(Unknown Source)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
    at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: javax.mail.Authenticator
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 40 more

因此，我推断在构建过程中添加类路径时会出错，尽管设置了类路径，但有人不应该提示如何修复它。

-PLS忽略项目名称-

Answer 1

Launch4j在Windows和Linux / Mac上均可使用。但是，如果您正在运行Linux / Mac，则有一种方法可以将jar嵌入到为您执行自动启动的shell脚本中，因此您只有一个可运行文件：

exestub.sh:

#!/bin/sh
MYSELF=`which "$0" 2>/dev/null`
[ $? -gt  0 -a -f "$0" ] && MYSELF="./$0"
JAVA_OPT=""
PROG_OPT=""
# Parse options to determine which ones are for Java and which ones are for the Program
while [ $# -gt 0 ] ; do
    case $1 in
        -Xm*) JAVA_OPT="$JAVA_OPT $1" ;;
        -D*)  JAVA_OPT="$JAVA_OPT $1" ;;
        *)    PROG_OPT="$PROG_OPT $1" ;;
    esac
    shift
done
exec java $JAVA_OPT -jar $MYSELF $PROG_OPT

然后您从jar中创建可运行文件：

$ cat exestub.sh myrunnablejar.jar > myrunnable
$ chmod +x myrunnable

它与launch4j的工作方式相同：因为一个jar有一个zip format，它的头位于文件的 end 处。您可以拥有所需的任何标头（二进制可执行文件或Shell脚本），然后运行java -jar <myexe>，因为<myexe>是有效的zip / jar文件。

将.jar转换为.exe

1 个答案: