java - 在ant中运行java项目

Question

我正在尝试在 ant 中运行我的 java 项目(两个程序，服务器和客户端)。这是我的 build.xml

<project name="myproject" default="run" basedir=".">
<description>Client Server gui project</description>

<property name="srcdirserver" location="src/src_server"/>
<property name="srcdirclient" location="src/src_client"/>
<property name="lib" location="lib"/>
<property name="build" location="build"/>
<property name="buildserver" location="build/server"/>
<property name="buildclient" location="build/client"/>
<property name="dest_server" location="dest-server"/>
<property name="dest_client" location= "dest-client"/>
<property name="examples" location="examples"/>
<property name="doc" location="doc"/>




   <!-- CLEAN -->
   <target name="clean">
      <delete dir="${build}"/>
      <delete dir="${dest_server}"/>
     <delete dir="${dest_client}"/>
   </target>

   <!-- COMPILE (Dummy)-->
   <target name="compile" depends="clean,compileserver,compileclient,jarserver,jarclient,documentation">
   </target>

   <!-- DOCUMENTATION -->
   <target name="documentation">
   <javadoc sourcepath="${srcdirserver}" destdir="${doc}" encoding="UTF-8" charset="UTF-8"></javadoc>
   </target>

   <!-- COMPILE (Server code)-->
   <target name="compileserver" depends="clean">
      <mkdir dir="${buildserver}"/>
      <javac includeantruntime="false"
             srcdir="${srcdirserver}"
             destdir="${buildserver}" 
             encoding="UTF-8"
             classpath="${src}"/>
   </target>
   <!-- COMPILE (Client code)-->
   <target name="compileclient" depends="clean">
      <mkdir dir="${buildclient}"/>
      <javac includeantruntime="false"
             srcdir="${srcdirclient}"
             destdir="${buildclient}" 
             encoding="UTF-8"
             classpath="${lib}/swt.jar:${src}"/>
   </target> 
   <!-- BUILD JAR (server) -->
    <target name="jarserver" depends="clean,compileserver">
    <mkdir dir="${dest_server}"/>
    <jar destfile="${dest_server}/myserver.jar" 
         basedir="${buildserver}">
    <manifest>
    <attribute name="Main-Class"
    value="game_server.main.Init"/>
    </manifest>
    </jar>
    <mkdir dir="${dest_server}/examples"/>
    <copy todir="${dest_server}/examples" >  
        <fileset dir="${examples}" includes="**"/>  
    </copy>
    </target>

    <!-- BUILD JAR (client) -->
    <target name="jarclient" depends="clean,compileclient">
    <mkdir dir="${dest_client}"/>
    <jar destfile="${dest_client}/myclient.jar" 
         basedir="${buildclient}">
    <manifest>
    <attribute name="Main-Class"
    value="game_client.main.Gui"/>
    <attribute name="Class-Path"
    value="lib/swt.jar"/>
    </manifest>
    </jar>
    <mkdir dir="${dest_client}"/>
    <mkdir dir="${dest_client}/lib"/>
    <copy file="${lib}/swt.jar"
    todir="${dest_client}/lib"/>
    </target>

   <!-- RUN -->
    <target name="run" depends="compile,jarserver,jarclient">
       <parallel>
           <java jar="${dest_server}/myserver.jar" dir="${dest_server}" fork="true"/>
           <java jar="${dest_client}/myclient.jar" dir="${dest_client}" fork="true"/>
       </parallel>
    </target>
</project>

服务器工作正常，但带有 gui 的客户端已成功编译/存档到 jar 中，但当我运行它时，它会抛出此错误:/编辑:我发现我使用了错误的 swt.jar 版本，我现在下载了正确的版本，但仍然遇到类似的错误:/

run:
     [java] OpenJDK 64-Bit Server VM warning: You have loaded library /home/blackened/.swt/lib/linux/x86_64/libswt-gtk-4332.so which might have disabled stack guard. The VM will try to fix the stack guard now.
     [java] It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.
     [java] Exception in thread "main" java.lang.UnsatisfiedLinkError: Could not load SWT library. Reasons: 
     [java]     no swt-gtk-4332 in java.library.path
     [java]     no swt-gtk in java.library.path
     [java]     Can't load library: /home/blackened/.swt/lib/linux/x86_64/libswt-gtk-4332.so
     [java]     Can't load library: /home/blackened/.swt/lib/linux/x86_64/libswt-gtk.so
     [java]     /home/blackened/.swt/lib/linux/x86_64/libswt-gtk-4332.so: /home/blackened/.swt/lib/linux/x86_64/libswt-gtk-4332.so: Kódovanie dát v ELF súbore nie je little-endian (Possible cause: endianness mismatch)
     [java] 
     [java]     at org.eclipse.swt.internal.Library.loadLibrary(Unknown Source)
     [java]     at org.eclipse.swt.internal.Library.loadLibrary(Unknown Source)
     [java]     at org.eclipse.swt.internal.C.<clinit>(Unknown Source)
     [java]     at org.eclipse.swt.internal.Converter.wcsToMbcs(Unknown Source)
     [java]     at org.eclipse.swt.internal.Converter.wcsToMbcs(Unknown Source)
     [java]     at org.eclipse.swt.widgets.Display.<clinit>(Unknown Source)
     [java]     at game_client.main.Gui.open(Unknown Source)
     [java]     at game_client.main.Gui.main(Unknown Source)
     [java] Java Result: 1

我正在使用 Fedora 18(Spherical Cow)操作系统。如有任何建议，我们将不胜感激。

Answer 1

在我看来，SWT 正在寻找这 2 个 jar 的 32 位版本，但从路径中的 x86_64 来看，您安装的只是 64 位版本。

此外，您说您使用的是 Fedora，但它正在尝试加载看似与 Windows 相关的 jar 文件。

“链接不满足”错误可能是由于它试图查找不存在的 DLL，而不是它应该在 Linux 上查找的 .so 文件。

这可能有帮助: http://www.eclipse.org/swt/faq.php#missingdll