| Strange problem trying to use LDT on second machine [message #1072350] |
Mon, 22 July 2013 15:19  |
 Burt Bicksler
Messages: 9
Registered: July 2013 |
Junior Member |
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Hi,
I'm new to Lua, and LDT. What I've seen with LDT is great but I'm having some challenges, the the current frustration is trying to duplicate the configuration for a project on my notebook that I finally got running on my desktop machine.
Both machines are running Ubuntu 12.04 LTS. I'm working with a project that uses lgi, and because I couldn't get the internal interpreters to work and play well with lgi I followed a suggestion to use the Lua version that is installed on my system.
I set up both Lua 5.2 and Lua 5.1 which I have on my desktop.
Note that from the command line I was able to build and test some simple GUI LUA programs with no problems. And after much fiddling I was able to get things set up with the external interpreters so that I could build using Lua 5.2 and run the application with no problem from LDT.
Of course I couldn't debug since I don't have a luasocket module for 5.2 yet, but I could run the applications in LDT.
So next I wanted to set up the same thing on the notebook where I'm doing most of the actual devlopment work.
As far as I can see I've duplicated the configuration the same as on the desktop but I'm hitting some issues on the notebook:
When I attempt to run a program that previously worked in LDT (non-Gui, just hello world) If I use internal Lua 5.1 it works, including debugging as before. But if I use the internal Lua 5.1 I get the following error:
Exception in thread "main" java.lang.UnsatisfiedLinkError: /home/bbick/.eclipse/org.eclipse.platform_3.7.0_155965261/configuration/org.eclipse.osgi/bundles/202/1/.cp/lib/libjnlua52.so: liblua52.so: cannot open shared object file: No such file or directory
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1750)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1675)
at java.lang.Runtime.loadLibrary0(Runtime.java:840)
at java.lang.System.loadLibrary(System.java:1047)
at com.naef.jnlua.NativeSupport$DefaultLoader.load(NativeSupport.java:76)
at com.naef.jnlua.LuaState.<clinit>(LuaState.java:134)
at org.eclipse.koneki.ldt.support.lua52.internal.interpreter.JNLua52Launcher.run(JNLua52Launcher.java:29)
at org.eclipse.koneki.ldt.support.lua52.internal.interpreter.JNLua52Launcher.main(JNLua52Launcher.java:142)
I've searched and liblua52.so is found here:
/home/me/.eclipse/org.eclipse.platform_3.7.0_155965261/configuration/org.eclipse.osgi/bundles/202/1/.cp/lib/liblua52.so
Note that this particular problem happens on both the desktop and the notebook. If I use the Ubuntu Lua 5.2 it runs fine in LDT.
Also there is no issue using the Ubuntu Lua 5.2 from the command line. How do I go about tracking down the source of this particular problem?
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The other problem is that the lgi test GUI application.
I can now get that to run fine in LDT on the desktop and notebook using the external Ubuntu Lua 5.2.
But with the LDT internal Lua 5.2 I get the same error as above, and possible others if that is fixed. Is there a chance that with the build path set that I could get lgi working with the internal Lua 5.2 to get debugging working, or is it not worth exploring?
Thanks for any suggestions. (I had done a search for anything related to liblua52.so in the forum and on Goole but haven't found anything useful).
Burt
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