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Questiontools.jar Pin
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QuestionTroubles in launching a java application at MS windows system startup (user login) [modified] Pin
Fire-Dragon-DoL2-Nov-09 15:12
Fire-Dragon-DoL2-Nov-09 15:12 
Hi to all,this is my first post...
I've built a java program which retrive some datas from a website and organize them in a JTable... nothing too complicated

The "bigger" problem was that I need to make it start at system startup (it's a desktop application for some users)
I build a dll with JNI and created some functions to interact with registry, after that was easy to write on the system register and yes I managed to run the application at system startup.
Actually I'm using a wrapper for my jar files called "launch4j", which simply call my jar file (I don't need to wrap or something like it... just the users are more "user-friendly" with an exe file instead of a jar (I don't need a JVM check because i'm doing it at installation time, with another tool)...

However, the exe is called but I got these errors
Problemi nella creazione della GUI: null
java.lang.NumberFormatException: null
        at java.lang.Integer.parseInt(Unknown Source)
        at java.lang.Integer.<init>(Unknown Source)
        at gui.Home.<init>(Home.java:52)
        at cittanascostauc.Main$1.run(Main.java:22)
        at java.awt.event.InvocationEvent.dispatch(Unknown Source)
        at java.awt.EventQueue.dispatchEvent(Unknown Source)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)


And if I disable the part of that integer (the problem is that is read from a file, so the problem is the file reading and not exactly the cast), so I have only the part referred to the DLL I receive this error:

Exception in thread "AWT-EventQueue-0" java.lang.UnsatisfiedLinkError: no AutoSt
artChecker 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 core.AutoStartChecker.<clinit>(AutoStartChecker.java:35)
        at gui.Home.<init>(Home.java:72)
        at cittanascostauc.Main$1.run(Main.java:22)
        at java.awt.event.InvocationEvent.dispatch(Unknown Source)
        at java.awt.EventQueue.dispatchEvent(Unknown Source)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)


Actually if I manually run the exe file, everything goes fine... it's something like no dll are loaded... In fact if I disable everything about File reading and DLL Management, the GUI comes up and everything works fine (even if the user call some operations which read/write on file)

How can I resolve this problem?any suggestion?

EDIT: New discover!
I've build this batch file:
cd "C:\Documents and Settings\Administrator\Desktop"
MyWrapperForApp.exe


If I run this on system startup everything works... (yes that's not what I want) I've understood why this happen: it looks like that when I run my jar app at startup, the "dir" where it's run from it's not (currently is on my desktop) the desktop, but somewhere else (probably C:\WINDOWS\system32 ?Or where the jre is, more probably). So actually my jar file starts (infact I "arrive" inside my main function) and then I got some bugs... The solution could be simply changing the current working dir of my jar file, do someone know how to do this? It will be very appreciated a help

modified on Monday, November 2, 2009 9:33 PM

AnswerRe: Troubles in launching a java application at MS windows system startup (user login) Pin
Nagy Vilmos2-Nov-09 22:08
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AnswerRe: Troubles in launching a java application at MS windows system startup (user login) Pin
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Questionjava server socket connection Pin
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