Gentoo Archives: gentoo-user

From: Grant <emailgrant@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] ebuild help: java main class?
Date: Sat, 24 Oct 2009 20:32:20
Message-Id: 49bf44f10910241332s3206494cp7220dd77c254d95c@mail.gmail.com
In Reply to: Re: [gentoo-user] ebuild help: java main class? by Alan McKinnon
1 >> I'm trying to fix up the JAlbum ebuild:
2 >>
3 >> http://bugs.gentoo.org/show_bug.cgi?id=128356
4 >>
5 >> and get it to use java-pkg-2.  Here's what I have so far:
6 >>
7 >> inherit java-pkg-2 eutils
8 >>
9 >> S="${WORKDIR}/Jalbum"
10 >> DESCRIPTION="Web photo album generator"
11 >> HOMEPAGE="http://jalbum.net/"
12 >> SRC_URI="http://jalbum.net/download/Jalbum${PV}.zip"
13 >>
14 >> LICENSE="as-is"
15 >> SLOT="0"
16 >> KEYWORDS="x86"
17 >> IUSE=""
18 >>
19 >> DEPEND=">=virtual/jre-1.5"
20 >> RDEPEND="${DEPEND}"
21 >>
22 >> src_install() {
23 >>     java-pkg_dojar JAlbum.jar
24 >>     java-pkg_dolauncher jalbum \
25 >>         --jar JAlbum.jar \
26 >>         --java_args -Xmx400M
27 >>
28 >>     local dest=/usr/lib/${PN}
29 >>     dodir ${dest}
30 >>     cp -R ${S}/* ${D}/${dest} || die "Install failed"
31 >>
32 >>     doicon ${FILESDIR}/Jalbum-icon.png
33 >>     make_desktop_entry ${PN}
34 >> }
35 >>
36 >> It executes just fine, but I get:
37 >>
38 >> $ jalbum
39 >> Error: se.datadosen.jalbum.JAlbum
40 >> java.lang.ClassNotFoundException: se.datadosen.jalbum.JAlbum
41 >>       at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
42 >>       at java.security.AccessController.doPrivileged(Native Method)
43 >>       at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
44 >>       at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
45 >>       at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
46 >>       at se.datadosen.jalbum.Main.main(Main.java:23)
47 >>
48 >> I was told I need to define the main class with --main.  Does anyone
49 >> know how to determine what the main class should be?
50 >
51 >
52 > What's the line normally used to launch the app at runtime? That, together
53 > with CLASSPATH will tell you what class should be executed as main()
54
55 There is a file called startjalbum.sh which is supposed to be used to
56 start the program. It contains:
57
58 #!/bin/sh
59 java -Xmx400M -jar JAlbum.jar
60
61 Does that tell you anything?
62
63 - Grant

Replies

Subject Author
Re: [gentoo-user] ebuild help: java main class? Alan McKinnon <alan.mckinnon@×××××.com>