java - 第一个 QT Jambi 应用程序中存在多个运行时异常？

Question

嗯......这是我的第一个 QT Jambi 应用程序，几乎只是尝试打开一个窗口。
这是我使用过的终端命令:

java -XstartOnFirstThread -cp qtjambi-4.6.3.jar:qtjambi-examples-4.6.3.jar:qtjambi-macosx-gcc-4.6.3.jar:. GUI

顺便说一句，我在 MacBook 上运行 Mac OS X Lion 64 位。
以下是上述命令的结果:

Exception in thread "main" java.lang.ExceptionInInitializerError at com.trolltech.qt.gui.QApplication.(QApplication.java:12) at GUI.main(GUI.java:9) Caused by: java.lang.RuntimeException: Loading library failed, progress so far: Unpacking .jar file: 'qtjambi-macosx-gcc-4.6.3.jar' Checking Archive 'qtjambi-macosx-gcc-4.6.3.jar' - cache key='gcc-20100817-1815' - adding 'libQtCore.4.dylib' to library map - library: name='lib/libQtCore.4.dylib', - adding 'libQtGui.4.dylib' to library map - library: name='lib/libQtGui.4.dylib', - adding 'libQtXml.4.dylib' to library map - library: name='lib/libQtXml.4.dylib', - adding 'libQtSql.4.dylib' to library map - library: name='lib/libQtSql.4.dylib', - adding 'libQtSvg.4.dylib' to library map - library: name='lib/libQtSvg.4.dylib', - adding 'libQtHelp.4.dylib' to library map - library: name='lib/libQtHelp.4.dylib', - adding 'libQtScript.4.dylib' to library map - library: name='lib/libQtScript.4.dylib', - adding 'libQtScriptTools.4.dylib' to library map - library: name='lib/libQtScriptTools.4.dylib', - adding 'libQtMultimedia.4.dylib' to library map - library: name='lib/libQtMultimedia.4.dylib', - adding 'libQtNetwork.4.dylib' to library map - library: name='lib/libQtNetwork.4.dylib', - adding 'libQtOpenGL.4.dylib' to library map - library: name='lib/libQtOpenGL.4.dylib', - adding 'libQtWebKit.4.dylib' to library map - library: name='lib/libQtWebKit.4.dylib', - adding 'libQtXmlPatterns.4.dylib' to library map - library: name='lib/libQtXmlPatterns.4.dylib', - adding 'libphonon.4.dylib' to library map - library: name='lib/libphonon.4.dylib', - adding 'libQtDBus.4.dylib' to library map - library: name='lib/libQtDBus.4.dylib', - library: name='plugins/phonon_backend/libphonon_qt7.dylib', never load - library: name='plugins/imageformats/libqjpeg.dylib', never load - library: name='plugins/imageformats/libqgif.dylib', never load - library: name='plugins/imageformats/libqmng.dylib', never load - library: name='plugins/imageformats/libqtiff.dylib', never load - library: name='plugins/imageformats/libqsvg.dylib', never load - library: name='plugins/iconengines/libqsvgicon.dylib', never load - library: name='plugins/codecs/libqcncodecs.dylib', never load - library: name='plugins/codecs/libqjpcodecs.dylib', never load - library: name='plugins/codecs/libqkrcodecs.dylib', never load - library: name='plugins/codecs/libqtwcodecs.dylib', never load - library: name='plugins/accessible/libqtaccessiblewidgets.dylib', never load - library: name='plugins/sqldrivers/libqsqlite.dylib', never load - adding 'libqtjambi.jnilib' to library map - library: name='lib/libqtjambi.jnilib', - adding 'libcom_trolltech_qt_core.jnilib' to library map - library: name='lib/libcom_trolltech_qt_core.jnilib', - adding 'libcom_trolltech_qt_gui.jnilib' to library map - library: name='lib/libcom_trolltech_qt_gui.jnilib',

• adding 'libcom_trolltech_qt_xml.jnilib' to library map
• library: name='lib/libcom_trolltech_qt_xml.jnilib',
• adding 'libcom_trolltech_qt_sql.jnilib' to library map
• library: name='lib/libcom_trolltech_qt_sql.jnilib',
• adding 'libcom_trolltech_qt_svg.jnilib' to library map
• library: name='lib/libcom_trolltech_qt_svg.jnilib',
• adding 'libcom_trolltech_qt_help.jnilib' to library map
• library: name='lib/libcom_trolltech_qt_help.jnilib',
• adding 'libcom_trolltech_qt_script.jnilib' to library map
• library: name='lib/libcom_trolltech_qt_script.jnilib',
• adding 'libcom_trolltech_qt_scripttools.jnilib' to library map
• library: name='lib/libcom_trolltech_qt_scripttools.jnilib',
• adding 'libcom_trolltech_qt_multimedia.jnilib' to library map
• library: name='lib/libcom_trolltech_qt_multimedia.jnilib',
• adding 'libcom_trolltech_qt_network.jnilib' to library map
• library: name='lib/libcom_trolltech_qt_network.jnilib',
• adding 'libcom_trolltech_qt_opengl.jnilib' to library map
• library: name='lib/libcom_trolltech_qt_opengl.jnilib',
• adding 'libcom_trolltech_qt_phonon.jnilib' to library map
• library: name='lib/libcom_trolltech_qt_phonon.jnilib',
• adding 'libcom_trolltech_qt_webkit.jnilib' to library map
• library: name='lib/libcom_trolltech_qt_webkit.jnilib',
• adding 'libcom_trolltech_qt_xmlpatterns.jnilib' to library map
• library: name='lib/libcom_trolltech_qt_xmlpatterns.jnilib',
• adding 'classes.nib' to library map
• library: name='lib/Resources/qt_menu.nib/classes.nib',
• adding 'info.nib' to library map
• library: name='lib/Resources/qt_menu.nib/info.nib',
• adding 'keyedobjects.nib' to library map
• library: name='lib/Resources/qt_menu.nib/keyedobjects.nib',
• plugin path='plugins'
• using cache directory: '/var/folders/4p/s98fh7114t5g3y05fh59ctpm0000gn/T/QtJambi_b-dahse_x86_64_4.6.3_gcc-20100817-1815'
• cache directory exists Loading library: 'libQtCore.4.dylib'...
• using deployment spec
• ok! Loading library: 'libqtjambi.jnilib'...
• using deployment spec
• ok! Loading library: 'libQtCore.4.dylib'...
• already loaded, skipping... Loading library: 'libcom_trolltech_qt_core.jnilib'...
• using deployment spec
• ok! Loading library: 'libQtGui.4.dylib'...

• using deployment spec

  at com.trolltech.qt.internal.NativeLibraryManager.loadNativeLibrary(NativeLibraryManager.java:431) at com.trolltech.qt.internal.NativeLibraryManager.loadQtLibrary(NativeLibraryManager.java:355) at com.trolltech.qt.Utilities.loadQtLibrary(Utilities.java:145) at com.trolltech.qt.Utilities.loadQtLibrary(Utilities.java:141) at com.trolltech.qt.gui.QtJambi_LibraryInitializer.(QtJambi_LibraryInitializer.java:7) ... 2 more Caused by: java.lang.UnsatisfiedLinkError: /private/var/folders/4p/s98fh7114t5g3y05fh59ctpm0000gn/T/QtJambi_b-dahse_x86_64_4.6.3_gcc-20100817-1815/lib/libQtGui.4.dylib: Library not loaded: /opt/local/lib/libpng12.0.dylib Referenced from: /private/var/folders/4p/s98fh7114t5g3y05fh59ctpm0000gn/T/QtJambi_b-dahse_x86_64_4.6.3_gcc-20100817-1815/lib/libQtGui.4.dylib Reason: image not found

  at java.lang.ClassLoader$NativeLibrary.load(Native Method) at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1827) at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1703) at java.lang.Runtime.load0(Runtime.java:770) at java.lang.Runtime.load(Runtime.java:758) at com.trolltech.qt.internal.NativeLibraryManager.loadLibrary_helper(NativeLibraryManager.java:458) at com.trolltech.qt.internal.NativeLibraryManager.loadNativeLibrary(NativeLibraryManager.java:426) ... 6 more

这是GUI.java的源代码:

import gui.ViewWindow;
import com.trolltech.qt.gui.QApplication;

public class GUI {

    public static ViewWindow viewWindow;

    public static void main(String[] args) {
        QApplication.initialize(args);
        viewWindow = new ViewWindow();
        QApplication.exec();
    }
}

这是 ViewWindow.java:

package gui;

import com.trolltech.qt.gui.QWidget;

public class ViewWindow extends QWidget {

    public ViewWindow() {
        setWindowTitle("Level editor for Ben's Great Escape");

        resize(1000, 600);
        move(0, 0);
        show();
    }
}

我现在非常困惑和不知所措，所以以前看过这个的人请看一下并发布您可能有的任何意见。

Answer 1

您需要/opt/local/lib/libpng12.0.dylib

指示这一点的错误消息部分引用如下:

由以下原因引起:/选择/local/lib/libpng12.0.dylib

.

看起来构建和打包该版本 QtJambi 的人正在使用第 3 方 libpng 库。不幸的是我无法告诉你从哪里得到它(说实话它在/opt/local 意味着它可能是自制的)。

你试试 http://sourceforge.net/projects/qtjambi/files/4.7.0-beta1/ 怎么样？如果这有助于或阻碍您的进步，请在此处发表评论。

(不幸的是)QtJambi 的各种版本存在已知的不一致之处，但我希望将来当我最终自己发布一些版本时这些问题能够得到解决。