I wouldn't try to make your application into one single jar file. IMHO, it's better to have *your* class files in a jar file whose manifest contains "Class-Path" entries pointing to the other jars your application requires. Then there's no confusion about who supplies which class file, versioning, etc...
Keith -----Original Message----- From: webhiker%tiscali.fr [mailto:[EMAIL PROTECTED]] Sent: 11 February 2003 09:34 To: [EMAIL PROTECTED] Subject: Missing & misleading documentation, help needed on advanced Jar functionality The problem : I want to combine all the jars required by my application into a single, executable jar file. Ant is good for this. However, the JavaBeans Activation Framework jar needs certain manifest info, else it generates an error : Exception in thread "main" java.lang.SecurityException: no manifiest section for signature file entry javax/activation/DataContentHandlerFactory.class sun.security.util.SignatureFileVerifier.verifySection(SignatureFileVerifier.java:260) The solution: Ant docs for jar task indicate it's possible to include manifest information from a jar file, and combine it with any other info you include. However, no example is given. It also states falsely, that "This element is identical to the manifest task". So I try : <jar... <manifest file="${activation.jar}"> <attribute name="Built-By" value="${user.name}"/> <attribute name="Main-class" value="mypackage.MyName"/> </manifest> </jar> Ant complains "org.apache.tools.ant.taskdefs.Manifest doesn't support the "file" attribute." So it's not identical. But I cannot find any other info which allows me to specify how to tell the jar task where to copy the manifest info from. It may be more complicated, since look at the contents of activation.jar manifest: META-INF/MANIFEST.MF META-INF/SUN_MICR.SF META-INF/SUN_MICR.RSA META-INF/ META-INF/mailcap.default META-INF/mimetypes.default Anyone have an idea? Thanks WH --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
