java.lang.OutOfMemoryError

[Jason Marshall]

Hi Partners,

If I run Roberto Perillo Test case more than say 70 times as shown below.

 /* 
              * Practically, it is not necessary to execute this loop more than 1 
              * time, but if you want, you can increase the controller variable, 
              * so it is executed as many times as you want 
              */  
             for (int i = 0; i < 70; i++) {  
                 Thread updatingRandom = new UpdatingRandomRecordThread();  
                 updatingRandom.start();  
                 Thread updatingRecord1 = new UpdatingRecord1Thread();  
                 updatingRecord1.start();  
                 Thread creatingRecord = new CreatingRecordThread();  
                 creatingRecord.start();  
                 Thread deletingRecord = new DeletingRecord1Thread();  
                 deletingRecord.start();  
                 Thread findingRecords = new FindingRecordsThread();  
                 findingRecords.start();          
             }     

I get the below error message.. Is this normal, I am doing calls to System.gc() and I know we cannot control this, I have tried to null all variables inside of my functions. Is this happening due to the share number of threads being created? I am working on a Dell Inspiron, XP3, 1GB Memory.

Exception in thread "Thread-264" java.lang.OutOfMemoryError: Java heap space
at suncertify.db.RoomFileAccess.updateRoomList(RoomFileAccess.java:140)
at suncertify.db.RoomFileAccess.deleteRecord(RoomFileAccess.java:461)
at suncertify.db.Data.deleteRecord(Data.java:91)
at suncertify.db.DataClassTest$DeletingRecord1Thread.run(DataClassTest.java:253)
BUILD STOPPED (total time: 1 minute 2 seconds)


Thanks Jason

[Roel De Nijs]

Jason,

If your program throws such an exception, is it always originating in the same method (updateRoomList) or is it just randomly.

Regards,
Roel