B4J Question JAR file is OK on WIN7(64bit) but NOK on WIN7(32bit)

[petr4ppc]

Dear friends,

please help me.

I have b4j installed on my win7-64bit and my app (JAR file) I can run on this system,
but I can't run it on win7-32bit.

Please I have read forum but I have not found the clear solution.

I am trying b4j with this version of JDK:
:\Program Files (x86)\Java\jdk1.7.0_11\bin\javac.exe
:\Program Files (x86)\Java\jdk1.7.0_65\bin\javac.exe

Everything is OK on 64 bit but not on 32bit
Which version of JDK is correct for both version of system = 64bit and 32bit?
Thank you very much
p4ppc

 

[Erel]

It doesn't matter whether you use 32bit or 64bit JRE.

Run the app from the command line with java -jar <yourjar> and see the error message.

 

[billzhan]

I had similar issues before, jar apps crashed when started on an old laptop. It turned out that RAM was broken(tested by Memtest86+)

 

[petr4ppc]

Dear Bilizhan - thank you for your reply

Dear Erel - the error message is:

dbutils._executetableview (java line: 368)
java.sql.SQLException: [SQLITE_ERROR] SQL error or missing database (no such tab
le: files)
        at org.sqlite.DB.newSQLException(DB.java:383)
        at org.sqlite.DB.newSQLException(DB.java:387)
        at org.sqlite.DB.throwex(DB.java:374)
        at org.sqlite.NativeDB.prepare(Native Method)
        at org.sqlite.DB.prepare(DB.java:123)
        at org.sqlite.PrepStmt.<init>(PrepStmt.java:42)
        at org.sqlite.Conn.prepareStatement(Conn.java:404)
        at org.sqlite.Conn.prepareStatement(Conn.java:399)
        at org.sqlite.Conn.prepareStatement(Conn.java:383)
        at anywheresoftware.b4j.objects.SQL.ExecQuery2(SQL.java:243)
        at b4j.example.dbutils._executetableview(dbutils.java:368)
        at b4j.example.main._formatfiles(main.java:1736)
        at b4j.example.main._appstart(main.java:244)
        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 anywheresoftware.b4a.BA.raiseEvent2(BA.java:93)
        at anywheresoftware.b4a.BA.raiseEvent(BA.java:84)
        at b4j.example.main.start(main.java:35)
        at com.sun.javafx.application.LauncherImpl$5.run(Unknown Source)
        at com.sun.javafx.application.PlatformImpl$5.run(Unknown Source)
        at com.sun.javafx.application.PlatformImpl$4$1.run(Unknown Source)
        at com.sun.javafx.application.PlatformImpl$4$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at com.sun.javafx.application.PlatformImpl$4.run(Unknown Source)
        at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)
        at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
        at com.sun.glass.ui.win.WinApplication.access$100(Unknown Source)
        at com.sun.glass.ui.win.WinApplication$3$1.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)

I took the file *.jar from PC with 64 bit and I am trying run this file on pc with 32 bit...
I get this message

Thank you very much
Best regards
p4ppc

 

[Erel]

The database is probably missing.

It has nothing to do with 32bit vs. 64bit.

 

[petr4ppc]

Thank you Erel and friends,

I am doing something wrong. I have read on forum, that I can take the compiled file *.jar from OBJECTS folder and I can use this file on other computers. If I run myapp.jar on another comupter, then I see only new created DATA folder, but BIN and SRC folder is not created.

But it looks, that I must take all data from OBJECTS folder=
- BIN folder with files
- DATA folder with files
- SRC folder with files
- and files in OBJECTS folder with myapp.jar

This everything I need for running my app on other computers? It is true?
It does it mean that I cant use only myapp.jar.

Thank you very much
Best regards
p4ppc

 

[billzhan]

It depends on your project, the resources(DB,img,text) accessed by your jar should also be copied to the right directories.

SQLmainlogin.InitializeSQLite("f://, "mydb.db",False)
contmap = File.ReadMap(File.DirApp, "cont.txt")

mydb.db (F disk) and cont.txt(File.DirApp->OBJECTS folder) should be copied to right directories

dbutils._executetableview

This will help you to find out which resource is missing or if there is any bug (Line: xxx).

 

[Erel]

The bin and src folders should never be distributed.

If you have created your own file structure then you will need to recreate it on the customer computer. It will not be copied automatically.

You can add the database to the Files tab and then copy it when your app starts for the first time.