problem in retrieving data via RMS

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Join Date: Jul 2009
Posts: 47
Reputation: Dajer is an unknown quantity at this point 
Solved Threads: 2
Dajer Dajer is offline Offline
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problem in retrieving data via RMS

 
0
  #1
Aug 30th, 2009
hi friends...
I have Written some codes for adding and retrieving data from RMS:
Java Syntax (Toggle Plain Text) 
  1. public void commandAction(Command command, Displayable displayable) {
  2.         if(command==exit)
  3.         {
  4.             destroyApp(true);
  5.             notifyDestroyed();
  6.         }
  7.         else if(command==start)
  8.         {
  9.             try
  10.             {
  11.                 recordstore=RecordStore.openRecordStore("My RecordStore",true);
  12.             }
  13.             catch(Exception error)
  14.             {
  15.                 alert=new Alert("Error Creating",error.toString(),null,AlertType.WARNING);
  16.                 alert.setTimeout(Alert.FOREVER);
  17.                 display.setCurrent(alert);
  18.             }
  19.             try
  20.             {
  21.                 String outPutData[]={"Mary","Bob","Adam"};
  22.                 for(int x=0;x<3;x++)
  23.                 {
  24.                 byte[] byteOutPutData=outPutData[x].getBytes();
  25.                 recordstore.addRecord(byteOutPutData,0,byteOutPutData.length);
  26.                 }
  27.             }
  28.  
  29.             catch(Exception error)
  30.             {
  31.                     alert=new Alert("Error Waiting",error.toString(),null,AlertType.WARNING);
  32.                     alert.setTimeout(Alert.FOREVER);
  33.                     display.setCurrent(alert);
  34.             }
  35.             try 
  36.             {
  37.                 byte[] byteInputData=new byte[1];
  38.                 int length=0;
  39.                 for(int x=1;x<=recordstore.getNumRecords();x++)
  40.                 {
  41.                     if(recordstore.getRecordSize(x)>byteInputData.length)
  42.                     {
  43.                         byteInputData=new byte[recordstore.getRecordSize(x)];
  44.                     }
  45.                     length=recordstore.getRecord(1,byteInputData,0);
  46.                 }
  47.                 alert = new Alert("Reading", new String(byteInputData, 0,length), null, AlertType.WARNING);
  48.                 alert.setTimeout(Alert.FOREVER);
  49.                 display.setCurrent(alert);
  50.  
  51.  
  52.             }
  53.             catch (Exception error)
  54.             {
  55.                alert = new Alert("Error Reading", error.toString(),null, AlertType.WARNING);
  56.                alert.setTimeout(Alert.FOREVER);
  57.                display.setCurrent(alert); 
  58.             }
  59.             try
  60.             {
  61.                 recordstore.closeRecordStore();
  62.             }
  63.             catch (Exception error) 
  64.             {
  65.                 alert = new Alert("Error Closing", error.toString(),null, AlertType.WARNING);
  66.                 alert.setTimeout(Alert.FOREVER);
  67.                 display.setCurrent(alert);
  68.             }
  69.             if (RecordStore.listRecordStores() != null)
  70.             {
  71.                 try
  72.                 {
  73.                     recordstore.deleteRecordStore("MY RecordStore");
  74.                 }
  75.                 catch (Exception error)
  76.                 {
  77.                     alert = new Alert("Error Removing", error.toString(),null, AlertType.WARNING);
  78.                     alert.setTimeout(Alert.FOREVER);
  79.                     display.setCurrent(alert);
  80.                 }
  81.             }
  82.         }
  83.     }

but when i run it , instead of my record i see this error :
Attached Thumbnails
Error.JPG  
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Join Date: Nov 2007
Posts: 121
Reputation: puneetkay is on a distinguished road 
Solved Threads: 23
puneetkay's Avatar
puneetkay puneetkay is offline Offline
Junior Poster

Re: problem in retrieving data via RMS

 
1
  #2
Aug 30th, 2009
Java Syntax (Toggle Plain Text) 
  1. public void commandAction(Command command, Displayable displayable) {
  2.         if(command==exit)
  3.         {
  4.             destroyApp(true);
  5.             notifyDestroyed();
  6.         }
  7.         else if(command==start)
  8.         {
  9.             try
  10.             {
  11.                 recordstore=RecordStore.openRecordStore("My RecordStore",true); // LINE 1 
  12.             }
  13.             catch(Exception error)
  14.             {
  15.                 alert=new Alert("Error Creating",error.toString(),null,AlertType.WARNING);
  16.                 alert.setTimeout(Alert.FOREVER);
  17.                 display.setCurrent(alert);
  18.             }
  19.             try
  20.             {
  21.                 String outPutData[]={"Mary","Bob","Adam"};
  22.                 for(int x=0;x<3;x++)
  23.                 {
  24.                 byte[] byteOutPutData=outPutData[x].getBytes();
  25.                 recordstore.addRecord(byteOutPutData,0,byteOutPutData.length);
  26.                 }
  27.             }
  28.  
  29.             catch(Exception error)
  30.             {
  31.                     alert=new Alert("Error Waiting",error.toString(),null,AlertType.WARNING);
  32.                     alert.setTimeout(Alert.FOREVER);
  33.                     display.setCurrent(alert);
  34.             }
  35.             try 
  36.             {
  37.                 byte[] byteInputData=new byte[1];
  38.                 int length=0;
  39.                 for(int x=1;x<=recordstore.getNumRecords();x++)
  40.                 {
  41.                     if(recordstore.getRecordSize(x)>byteInputData.length)
  42.                     {
  43.                         byteInputData=new byte[recordstore.getRecordSize(x)];
  44.                     }
  45.                     length=recordstore.getRecord(1,byteInputData,0);
  46.                 }
  47.                 alert = new Alert("Reading", new String(byteInputData, 0,length), null, AlertType.WARNING);
  48.                 alert.setTimeout(Alert.FOREVER);
  49.                 display.setCurrent(alert);
  50.  
  51.  
  52.             }
  53.             catch (Exception error)
  54.             {
  55.                alert = new Alert("Error Reading", error.toString(),null, AlertType.WARNING);
  56.                alert.setTimeout(Alert.FOREVER);
  57.                display.setCurrent(alert); 
  58.             }
  59.             try
  60.             {
  61.                 recordstore.closeRecordStore();
  62.             }
  63.             catch (Exception error) 
  64.             {
  65.                 alert = new Alert("Error Closing", error.toString(),null, AlertType.WARNING);
  66.                 alert.setTimeout(Alert.FOREVER);
  67.                 display.setCurrent(alert);
  68.             }
  69.             if (RecordStore.listRecordStores() != null)
  70.             {
  71.                 try
  72.                 {
  73.                     recordstore.deleteRecordStore("MY RecordStore"); // LINE 2
  74.                 }
  75.                 catch (Exception error)
  76.                 {
  77.                     alert = new Alert("Error Removing", error.toString(),null, AlertType.WARNING);
  78.                     alert.setTimeout(Alert.FOREVER);
  79.                     display.setCurrent(alert);
  80.                 }
  81.             }
  82.         }
  83.     }

Check "Line 1" and "Line 2" tags.

"My RecordStore" and "MY RecordStore" both are different names.

Theres no RS with name "MY RecordStore". Thats why its showing error.

Regards,
Puneet Kalra
www.PuneetK.com
Sun Certified Java Programmer

Admin of Pikk - Object Relational Mapping Framework
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