Search DaniWeb - nullpointerexception

Null Pointer Exception in Java Application – Need Fixing 2 Months Ago by YashSmith My Java application crashes with a NullPointerException when trying to access an object property. Here's the …(String[] args) { String text = null; System.out.println(text.length()); // NullPointerException here } } How can I properly handle this scenario? NullPointerexception ?? 17 Years Ago by arkaprava … project 1stly it takes value from the console den a NullPointerException was happened at the following line of the entity class… the ENTITY class but the same `NullPointerException` (in the same line)is happening throwing of `NullPointerException` did not result any fruitful Plz… NullPointerException 12 Years Ago by wallet123 …: i passed here Test12: i passed here java.lang.NullPointerException at app.util.DatabaseConnect.connectMeToDatabase(DatabaseConnect.java:22) at app….run(Unknown Source) Test8: i passed here java.lang.NullPointerException at app.util.DatabaseConnect.connectMeToDatabase(DatabaseConnect.java:22) at app… NullPointerException....Please help me..... 15 Years Ago by bthug211 Please help me ... a NullPointerException appears here's the codes import java.util.Random; public … help me..why when I run the MainGameV1 class, a NullPointerException appears?please solve this error..tnx NullPointerException 15 Years Ago by benregn Hi, I'm getting this NullPointerException in one of my classes (state). This design is done …: [code]Exception in thread "Thread-3" java.lang.NullPointerException at hotdrinksmachine.MessageDelay.run(InsertMoney.java:102) at java.lang… NullPointerException 13 Years Ago by Dexxta27 … to interact with a databse but I keep getting a NullPOinterException. I know it means that something is set to null…: Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at AKDatabase.CSubmitActionPerformed(AKDatabase.java:193) at AKDatabase.access$000… Re: NullPointerException 13 Years Ago by NormR1 …; Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at AKDatabase.CSubmitActionPerformed(AKDatabase.java:193) Look at line 193… Re: NullPointerException 13 Years Ago by Dexxta27 …: Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at dbproject.DBProject.jButton4ActionPerformed(DBProject.java:425) at dbproject.DBProject… Re: NullPointerException 13 Years Ago by NormR1 Did you add the printStackTrace() calls to all the catch blocks? I would expect to see the trace from that before the NullPointerException error. What variable is null at line 425? Why is it null? Re: NullPointerException 13 Years Ago by Dexxta27 ….prepareStatement(sql); When I add printStackTrace(), instead of giving a NullPointerException when the button is triggered, it just gives an SQLException… NullPointerException: 18 Years Ago by cassyjack Does anyone know why I am getting an NullPointerException:Null error for this method? [CODE] public int[] checkISBN() { String … Re: NullPointerException: 18 Years Ago by aniseed Your post does not indicate any reason for getting a NullPointerException. My guess is that the [B]isbn[/B] String is null but that's just a guess. Could you print out the stack trace and see what line it is occurring at? That would help you locate the exact cause. nullpointerexception 16 Years Ago by JConnor135 … then display the updated list, but I keep getting a nullpointerexception, does anyone know where I went wrong? [ICODE]import java… nullPointerException 15 Years Ago by nam5a … continues to iterate and I believe this is when the nullPointerException is invoked. I've looked over this and cannot figure… Re: nullPointerException 15 Years Ago by nam5a Exception in thread "main" java.lang.NullPointerException at Check.containsFile(Check.java:70) at Check.searchForFile(Check.java:55) at Check.searchForFile(Check.java:61) at Check.main(Check.java:107) Re: nullPointerException 15 Years Ago by nam5a … of code Exception in thread "main" java.lang.NullPointerException at Check.containsFile --> for (int i = 0; i <… Re: nullPointerException 15 Years Ago by nam5a When the method searchForFile() is ran, it prints out that the file is found (if you created it), once this happens the method should terminate but it does not. I don't understand why the method searchForFile() does not terminate. It continues iterating and this is when the nullPointerException is returned. NullPointerException.....WHY!? 15 Years Ago by lrolsto1 … line while searching currentLine = bread.readLine(); index = currentLine.indexOf(searchString); //NULLPOINTEREXCEPTION if(index > 0){ // positive index if found System.out… Re: NullPointerException.....WHY!? 15 Years Ago by BhagatS Hello lrolsto1. You need to consider the values your variables are getting in every iteration through the while loop. The problem is, that a variable is taking null value in some iteration of the while loop, thus resulting in a NullPointerException being thrown. So you need to check the values your variables are taking. NullPointerException 15 Years Ago by bigsurya I am getting a NullPointerException in the statement which I've hidden. Can some1 tell … Re: NullPointerException 15 Years Ago by BestJewSinceJC … to reference (call a method on) null gives you a NullPointerException, hence your error initially. If this info is a lot… NullPointerException 15 Years Ago by idlackage I've got a NullPointerException at line 50 (and the init on line 12). Can'… NullPointerException 14 Years Ago by XxPKMNxX … [CODE]"Exception in thread "main" java.lang.NullPointerException at useCADSL.main(useCADSL.java:5)"[/CODE] i know… NullPointerException 14 Years Ago by ahmed_fawzy …;'"); } catch(SQLException ex) { ex.printStackTrace(); } return Rs; }[/CODE] give NullPointerException at [CODE]getOrders_st = Conn.createStatement();[/CODE] If Any One Know… NullPointerException 14 Years Ago by manish250 …;.But when assigning the string to mesg it is giving nullpointerexception NullPointerException Help 13 Years Ago by TTTHXC … string conmtains more than 2 words, my program crashes with NullPointerException. public static boolean checkOpcode(String opcode) { StringTokenizer st = new StringTokenizer… NullPointerException 11 Years Ago by simran_4 Hello all, I am stuck with a nullpointerException at line 41 and 60.Can someone please help me … NullPointerException On a Calling a Function 14 Years Ago by Nathan Campos …the problem is that it's calling a [b]NullPointerException[/b]. My code is like this(of course it … menu: [code]TRACE: <at java.lang.NullPointerException: 0>, Exception caught in Display class java.lang….NullPointerException: 0 at mp.releaser.MPReleaser.FirstPart(MPReleaser.java… Re: NullPointerException On a Calling a Function 14 Years Ago by Nathan Campos … what I got now: [code]TRACE: <at java.lang.NullPointerException: 0>, Exception caught in Display class java.lang….NullPointerException: 0 at mp.releaser.MPReleaser.commandAction(MPReleaser.java:130) at … NullPointerException in Servlet. 13 Years Ago by slasherpunk … but I'm getting the following error. I thought that NullPointerException was because there were no cookies at all in the… () that prevented it from fulfilling this request. exception java.lang.NullPointerException PageCount.doGet(PageCount.java:24) javax.servlet.http.HttpServlet.service…