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Re: [platform-dev] JNLP and win32 - java.library.path
|
Hi Chad,
Please use the newsgroups instead of the developer mailing lists for
questions like this. For this one, please use the RCP newsgroup. There
are others with experience deploying SWT and RCP apps there who may be
able to help.
http://wiki.eclipse.org/index.php/Rich_Client_Platform#newsgroups
Regards,
Nick
Chad Oleary <oleary.chad@xxxxxxxxx>
Sent by: platform-dev-bounces@xxxxxxxxxxx
01/21/2006 08:14 PM
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Subject
[platform-dev] JNLP and win32 - java.library.path
Hi,
I hope this is the right place to post this. If not, could you point me in
the right direction? I'm having a problem that looks like a usual suspect
at first glance. However, I've done my homework, and this one isn't the
norm...
I'm trying to use JNLP to launch an application. It works fine for Linux
clients, but not Windows clients. I've been doing some testing, and the
problem still exists even in the SWT examples, like ControlExample.
Launches fine in Linux, but not Windows. If I run them as executable jars
on windows, both the examples and the application I'm trying to package
work fine.
Here's the error..
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke (Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.sun.javaws.Launcher.executeApplication(Unknown Source)
at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
at com.sun.javaws.Launcher.continueLaunch (Unknown Source)
at com.sun.javaws.Launcher.handleApplicationDesc(Unknown Source)
at com.sun.javaws.Launcher.handleLaunchFile(Unknown Source)
at com.sun.javaws.Launcher.run(Unknown Source)
at java.lang.Thread.run (Unknown Source)
Caused by: java.lang.UnsatisfiedLinkError: no swt-win32-3139 in
java.library.path
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary (Unknown Source)
at org.eclipse.swt.internal.Library.loadLibrary(Library.java:123)
at org.eclipse.swt.internal.win32.OS.<clinit>(OS.java:18)
at org.eclipse.swt.widgets.Display.<clinit>(Display.java :125)
at
org.eclipse.swt.examples.controlexample.ControlExample.main(ControlExample.java:184)
... 11 more
Looks pretty standard, right? java.library.path issue. However, I've dealt
with that in the past. I went so far as to set java.library.path to "."
using System.setProperty("java.library.path", "."); Then I created an
inital executable jar that's sole job was to unpack the swt dll's into
".". I also tried setting java.library.path in my .jnlp as a resource
property. Also, I've tried setting java.library.path using a -D passed to
the vm, nothing.. I'm pretty sure that java is setting the
java.library.path correctly, or else I'd expect the exectable jars to
fail.
Now, I'm at the point where I'm doing it word for word from the very well
documented FAQ's. I've found two of them, both nearly identical, on the
main swt website. Here are the main .jnlp I'm using...
<?xml version="1.0" encoding="utf-8"?>
<jnlp
spec="1.0+"
codebase= http://www.foo.com/bar
href="swtexamples.jnlp">
<information>
<title>SWT Examples</title>
<vendor>Your website</vendor>
<homepage href=" http://eclipse.org/swt"/ >
<description>SWT ControlExample</description>
<offline-allowed/>
</information>
<security>
<all-permissions/>
</security>
<resources>
<j2se version="1.3+"/>
<jar href="swtexamples.jar"/>
<extension name="swt" href="swt/swt.jnlp"/>
</resources>
<application-desc main-class="
org.eclipse.swt.examples.controlexample.ControlExample"/>
</jnlp>
Here's the SWT extension jnlp:
<?xml version="1.0" encoding="utf-8"?>
<jnlp
spec="1.0+"
codebase=" http://www.foo.com/bar/swt"
href="swt.jnlp ">
<information>
<title>SWT Libraries</title>
<homepage href=" http://www.eclipse.org/swt"/>
<description>SWT Libraries</description>
<offline-allowed/>
<vendor>Your website</vendor>
</information>
<security>
<all-permissions/>
</security>
<resources os="Windows" arch="x86">
<jar href="os/win32/x86/swt.jar"/>
<nativelib href="os/win32/x86/swtNativeLib.jar"/>
</resources>
<resources os="Linux" arch="i386">
<jar href="os/linux/x86/swt.jar"/>
<nativelib href="os/linux/x86/swtNativeLib.jar"/>
</resources>
<component-desc/>
</jnlp>
And, here's the directory structure:
4 ./swt/swt.jnlp
1236 ./swt/os/linux/x86/swt.jar
244 ./swt/os/linux/x86/swtNativeLib.jar
1484 ./swt/os/linux/x86
1488 ./swt/os/linux
1304 ./swt/os/win32/x86/swt.jar
88 ./swt/os/win32/x86/swtNativeLib.jar
1396 ./swt/os/win32/x86
1400 ./swt/os/win32
2892 ./swt/os
2900 ./swt
4 ./swtexamples.jnlp
208 ./swtexamples.jar
Any thoughts, pointing out typos, comments, etc.. would be welcomed. If
there's anything else I can provide, please let me know. Also, if anyone
knows how to get a console for a JNLP launched app, that would help me
greatly.
Thanks,
--Chad
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