Re: [gentoo-user] ebuild help: java main class?

[Grant <emailgrant@gmail.com>]

>> I'm trying to fix up the JAlbum ebuild:
>>
>> http://bugs.gentoo.org/show_bug.cgi?id=128356
>>
>> and get it to use java-pkg-2.  Here's what I have so far:
>>
>> inherit java-pkg-2 eutils
>>
>> S="${WORKDIR}/Jalbum"
>> DESCRIPTION="Web photo album generator"
>> HOMEPAGE="http://jalbum.net/"
>> SRC_URI="http://jalbum.net/download/Jalbum${PV}.zip"
>>
>> LICENSE="as-is"
>> SLOT="0"
>> KEYWORDS="x86"
>> IUSE=""
>>
>> DEPEND=">=virtual/jre-1.5"
>> RDEPEND="${DEPEND}"
>>
>> src_install() {
>>     java-pkg_dojar JAlbum.jar
>>     java-pkg_dolauncher jalbum \
>>         --jar JAlbum.jar \
>>         --java_args -Xmx400M
>>
>>     local dest=/usr/lib/${PN}
>>     dodir ${dest}
>>     cp -R ${S}/* ${D}/${dest} || die "Install failed"
>>
>>     doicon ${FILESDIR}/Jalbum-icon.png
>>     make_desktop_entry ${PN}
>> }
>>
>> It executes just fine, but I get:
>>
>> $ jalbum
>> Error: se.datadosen.jalbum.JAlbum
>> java.lang.ClassNotFoundException: se.datadosen.jalbum.JAlbum
>>       at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
>>       at java.security.AccessController.doPrivileged(Native Method)
>>       at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>>       at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
>>       at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
>>       at se.datadosen.jalbum.Main.main(Main.java:23)
>>
>> I was told I need to define the main class with --main.  Does anyone
>> know how to determine what the main class should be?
>
>
> What's the line normally used to launch the app at runtime? That, together
> with CLASSPATH will tell you what class should be executed as main()

There is a file called startjalbum.sh which is supposed to be used to
start the program.  It contains:

#!/bin/sh
java -Xmx400M -jar JAlbum.jar

Does that tell you anything?

- Grant