要打包发布java程序了，遇到了问题

程序小，总共就2个文件，其中的classpath是：<classpath>
<classpathentry kind="src" path="src"/>
<classpathentry exported="true" kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry exported="true" kind="lib" path="E:/eclipse/eclipse/plugins/org.eclipse.osgi_3.3.2.R33x_v20080105.jar" sourcepath="E:/eclipse/eclipse/plugins/org.eclipse.rcp.source_3.3.3.r33x_r20080129-8y8eE9UEUWI6qujeED0xT7bc/src/org.eclipse.osgi_3.3.2.R33x_v20080105/src.zip"/>
<classpathentry exported="true" kind="lib" path="E:/eclipse/eclipse/plugins/org.eclipse.ui.forms_3.3.0.v20070511.jar" sourcepath="E:/eclipse/eclipse/plugins/org.eclipse.platform.source_3.3.3.r33x_r20080129-_19UEl7Ezk_gXF1kouft/src/org.eclipse.ui.forms_3.3.0.v20070511/src.zip"/>
<classpathentry exported="true" kind="lib" path="E:/eclipse/eclipse/plugins/org.eclipse.core.commands_3.3.0.I20070605-0010.jar" sourcepath="E:/eclipse/eclipse/plugins/org.eclipse.rcp.source_3.3.3.r33x_r20080129-8y8eE9UEUWI6qujeED0xT7bc/src/org.eclipse.core.commands_3.3.0.I20070605-0010/src.zip"/>
<classpathentry exported="true" kind="lib" path="E:/eclipse/eclipse/plugins/org.eclipse.equinox.common_3.3.0.v20070426.jar" sourcepath="E:/eclipse/eclipse/plugins/org.eclipse.rcp.source_3.3.3.r33x_r20080129-8y8eE9UEUWI6qujeED0xT7bc/src/org.eclipse.equinox.common_3.3.0.v20070426/src.zip"/>
<classpathentry exported="true" kind="lib" path="E:/eclipse/eclipse/plugins/org.eclipse.equinox.registry_3.3.1.R33x_v20070802.jar" sourcepath="E:/eclipse/eclipse/plugins/org.eclipse.rcp.source_3.3.3.r33x_r20080129-8y8eE9UEUWI6qujeED0xT7bc/src/org.eclipse.equinox.registry_3.3.1.R33x_v20070802/src.zip"/>
<classpathentry exported="true" kind="lib" path="E:/eclipse/eclipse/plugins/org.eclipse.core.runtime_3.3.100.v20070530.jar" sourcepath="E:/eclipse/eclipse/plugins/org.eclipse.rcp.source_3.3.3.r33x_r20080129-8y8eE9UEUWI6qujeED0xT7bc/src/org.eclipse.core.runtime_3.3.100.v20070530/src.zip"/>
<classpathentry exported="true" kind="lib" path="E:/eclipse/eclipse/plugins/org.eclipse.text_3.3.0.v20070606-0010.jar" sourcepath="E:/eclipse/eclipse/plugins/org.eclipse.platform.source_3.3.3.r33x_r20080129-_19UEl7Ezk_gXF1kouft/src/org.eclipse.text_3.3.0.v20070606-0010/src.zip"/>
<classpathentry exported="true" kind="lib" path="E:/eclipse/eclipse/plugins/org.eclipse.swt.win32.win32.x86_3.3.3.v3349.jar" sourcepath="E:/eclipse/eclipse/plugins/org.eclipse.rcp.source.win32.win32.x86_3.3.3.r33x_r20080129-8y8eE9UEUWI6qujeED0xT7bc/src/org.eclipse.swt.win32.win32.x86_3.3.3.v3349/src.zip"/>
<classpathentry exported="true" kind="lib" path="E:/eclipse/eclipse/plugins/org.eclipse.jface_3.3.2.M20080207-0800.jar" sourcepath="E:/eclipse/eclipse/plugins/org.eclipse.rcp.source_3.3.3.r33x_r20080129-8y8eE9UEUWI6qujeED0xT7bc/src/org.eclipse.jface_3.3.2.M20080207-0800/src.zip"/>
<classpathentry exported="true" kind="lib" path="E:/eclipse/eclipse/plugins/org.eclipse.jface.text_3.3.2.r332_20071017-0800.jar" sourcepath="E:/eclipse/eclipse/plugins/org.eclipse.platform.source_3.3.3.r33x_r20080129-_19UEl7Ezk_gXF1kouft/src/org.eclipse.jface.text_3.3.2.r332_20071017-0800/src.zip"/>
<classpathentry exported="true" kind="lib" path="E:/eclipse/eclipse/plugins/org.eclipse.ui.workbench_3.3.2.M20080207-0800.jar" sourcepath="E:/eclipse/eclipse/plugins/org.eclipse.rcp.source_3.3.3.r33x_r20080129-8y8eE9UEUWI6qujeED0xT7bc/src/org.eclipse.ui.workbench_3.3.2.M20080207-0800/src.zip"/>
<classpathentry exported="true" kind="lib" path="lib/poi-bin-3.1-FINAL-20080629/poi-3.1-FINAL/poi-3.1-FINAL-20080629.jar"/>
<classpathentry exported="true" kind="lib" path="lib/poi-bin-3.1-FINAL-20080629/poi-3.1-FINAL/poi-contrib-3.1-FINAL-20080629.jar"/>
<classpathentry exported="true" kind="lib" path="lib/poi-bin-3.1-FINAL-20080629/poi-3.1-FINAL/poi-scratchpad-3.1-FINAL-20080629.jar"/>
<classpathentry exported="true" kind="lib" path="E:/eclipse/eclipse/plugins/org.eclipse.core.runtime.compatibility.registry_3.2.100.v20070316/runtime_registry_compatibility.jar"/>
<classpathentry exported="true" kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
<classpathentry kind="output" path="bin"/>
</classpath>
我该怎么写manifest.mf？我试过好多方法了都没用，总是报错。
谢谢！