My code is given below. Its a program that adds leaves to the database.I am getting the Fatal Error has been detected by java runtime environment and I am not understanding why. I am new to Java, so I am very confused about this. Can anybody tell me why is this happening? I am putting up the error file as well. I tried understanding that too but couldn't find where is the error located.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.lang.String;
import java.io.*;
import java.sql.*;
public class AddLeave extends JFrame implements ActionListener
{
JFrame frame;
JPanel panel,panel1;
JLabel empid,name1,name2,department,designation;
JTextField txtempid,txtname1,txtname2,txtdepartment,txtdesignation;
JButton find,ok,cancel;
String txtname1_1 = "";
String txtname2_1 = "";
String txtdepartment_1 = "";
String txtdesignation_1 = "";
String txtempid1="";
Connection conn;
public AddLeave()
{
frame=new JFrame("ADD LEAVE");
frame.setLayout(new BorderLayout());
panel=new JPanel();
panel.setLayout(new GridLayout(5,2,5,5));
panel.setBackground(Color.RED);
panel1=new JPanel();
//panel1.setLayout(new GridLayout(1,3,10,10));
panel1.setBackground(Color.GREEN);
empid=new JLabel("Employee Id:");
name1=new JLabel("First Name:");
name2=new JLabel("Last Name:");
department=new JLabel("Department:");
designation=new JLabel("Designation:");
txtempid = new JTextField();
txtname1 = new JTextField();
txtname1.setEditable(false);
txtname2 = new JTextField();
txtname2.setEditable(false);
txtdepartment = new JTextField();
txtdesignation = new JTextField();
txtdesignation.setEditable(false);
find=new JButton("FIND");
find.addActionListener(this);
ok=new JButton("OK");
ok.addActionListener(this);
cancel=new JButton("CANCEL");
cancel.addActionListener(this);
panel.add(empid);
panel.add(txtempid);
panel.add(name1);
panel.add(txtname1);
panel.add(name2);
panel.add(txtname2);
panel.add(department);
panel.add(txtdepartment);
panel.add(designation);
panel.add(txtdesignation);
panel1.add(find);
panel1.add(ok);
panel1.add(cancel);
frame.add(panel,BorderLayout.CENTER);
frame.add(panel1,BorderLayout.SOUTH);
frame.setVisible(true);
frame.pack();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
connect();
}
public void connect()
{
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
conn=DriverManager.getConnection("jdbc:odbc:demo","system","scott");
}
catch(Exception e)
{
System.out.println("Error : "+e);
}
}
public void actionPerformed(ActionEvent event)
{
Object source= event.getSource();
if(source.equals(find))
{
find();
}
if(source.equals(ok))
{
System.out.println("Leave added");
}
if(source.equals(cancel))
{
System.out.println("Canceled");
}
}
public void find()
{
txtempid1=txtempid.getText();
try
{
if(txtempid1.isEmpty())
{
JOptionPane.showMessageDialog(null,"ID REQUIRED!!!","warning",JOptionPane.WARNING_MESSAGE);
}
else
{
Statement stmt = conn.createStatement();
String query = "SELECT * FROM demo WHERE empid='"+txtempid1+"'";
ResultSet rs = stmt.executeQuery(query);
int foundrec = 0;
while (rs.next())
{
txtname1_1 = rs.getString(2);
txtname2_1 = rs.getString(3);
txtdesignation_1 = rs.getString(4);
foundrec =foundrec+ 1;
}
if(foundrec==1)
{
JOptionPane.showMessageDialog(null,"**Record Found**"," Message",JOptionPane.PLAIN_MESSAGE);
txtname1.setText(txtname1_1);
txtname2.setText(txtname2_1);
txtdesignation.setText(txtdesignation_1);
}
else
{
JOptionPane.showMessageDialog(null,"!!!!EMPLOYEE DOES NOT EXIST!!!!"," ERROR",JOptionPane.ERROR_MESSAGE);
}
}
conn.close();
}
catch(Exception e)
{
System.out.println("Error : "+e);
}
}
public static void main(String[] args)
{
new AddLeave();
}
}
this is the error file
# # A fatal error has been detected by the Java Runtime Environment: # # EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x7c901010, pid=3052, tid=3732 # # JRE version: 6.0_31-b05 # Java VM: Java HotSpot(TM) Client VM (20.6-b01 mixed mode, sharing windows-x86 ) # Problematic frame: # C [ntdll.dll+0x1010] # # If you would like to submit a bug report, please visit: # http://java.sun.com/webapps/bugreport/crash.jsp # The crash happened outside the Java Virtual Machine in native code. # See problematic frame for where to report the bug. # --------------- T H R E A D --------------- Current thread (0x03054400): JavaThread "AWT-EventQueue-0" [_thread_in_native, id=3732, stack(0x03250000,0x032a0000)] siginfo: ExceptionCode=0xc0000005, reading address 0x00000018 Registers: EAX=0x00000004, EBX=0x329ab298, ECX=0x7ffad000, EDX=0x00000004 ESP=0x0329ea48, EBP=0x0329ea60, ESI=0x00000000, EDI=0x03401590 EIP=0x7c901010, EFLAGS=0x00010246 Top of Stack: (sp=0x0329ea48) 0x0329ea48: 74355a16 00000004 034015b4 7432139f 0x0329ea58: 034015b4 03401590 0329ea70 74322c5d 0x0329ea68: 034015b4 03054528 0329ea84 74325fa0 0x0329ea78: 03401590 74350000 0329f1ac 0329eaa0 0x0329ea88: 7432740e 03401590 0329eac0 00000003 0x0329ea98: 0312cd28 03054528 0329eab8 6d36124e 0x0329eaa8: 03401590 0329eac0 03054400 329ab298 0x0329eab8: 0329eb04 00919fc7 00000000 0329eb20 Instructions: (pc=0x7c901010) 0x7c900ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7c901000: 90 90 90 90 90 64 8b 0d 18 00 00 00 8b 54 24 04 0x7c901010: 83 7a 14 00 75 4f f0 ff 42 04 75 19 8b 41 24 89 0x7c901020: 42 0c c7 42 08 01 00 00 00 33 c0 c2 04 00 8d a4 Register to memory mapping: EAX=0x00000004 is an unknown value EBX=0x329ab298 is an oop {method} - klass: {other class} ECX=0x7ffad000 is an unknown value EDX=0x00000004 is an unknown value ESP=0x0329ea48 is pointing into the stack for thread: 0x03054400 EBP=0x0329ea60 is pointing into the stack for thread: 0x03054400 ESI=0x00000000 is an unknown value EDI=0x03401590 is an unknown value Stack: [0x03250000,0x032a0000], sp=0x0329ea48, free space=314k Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code) C [ntdll.dll+0x1010] RtlEnterCriticalSection+0xb C [ODBC32.dll+0x2c5d] MpHeapAlloc+0x452 C [ODBC32.dll+0x5fa0] SQLSetStmtAttrW+0xfeb C [ODBC32.dll+0x740e] SQLAllocStmt+0x21 C [JdbcOdbc.dll+0x124e] Java_sun_jdbc_odbc_JdbcOdbc_allocStmt+0x28 j sun.jdbc.odbc.JdbcOdbc.allocStmt(J[B)J+0 j sun.jdbc.odbc.JdbcOdbc.SQLAllocStmt(J)J+47 j sun.jdbc.odbc.JdbcOdbcConnection.createStatement(II)Ljava/sql/Statement;+27 j sun.jdbc.odbc.JdbcOdbcConnection.createStatement()Ljava/sql/Statement;+7 j AddLeave.find()V+37 j AddLeave.actionPerformed(Ljava/awt/event/ActionEvent;)V+17 j javax.swing.AbstractButton.fireActionPerformed(Ljava/awt/event/ActionEvent;)V+84 j javax.swing.AbstractButton$Handler.actionPerformed(Ljava/awt/event/ActionEvent;)V+5 j javax.swing.DefaultButtonModel.fireActionPerformed(Ljava/awt/event/ActionEvent;)V+35 j javax.swing.DefaultButtonModel.setPressed(Z)V+117 j javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Ljava/awt/event/MouseEvent;)V+35 j java.awt.Component.processMouseEvent(Ljava/awt/event/MouseEvent;)V+64 j javax.swing.JComponent.processMouseEvent(Ljava/awt/event/MouseEvent;)V+23 j java.awt.Component.processEvent(Ljava/awt/AWTEvent;)V+81 j java.awt.Container.processEvent(Ljava/awt/AWTEvent;)V+18 j java.awt.Component.dispatchEventImpl(Ljava/awt/AWTEvent;)V+570 j java.awt.Container.dispatchEventImpl(Ljava/awt/AWTEvent;)V+42 j java.awt.Component.dispatchEvent(Ljava/awt/AWTEvent;)V+2 j java.awt.LightweightDispatcher.retargetMouseEvent(Ljava/awt/Component;ILjava/awt/event/Mous eEvent;)V+320 j java.awt.LightweightDispatcher.processMouseEvent(Ljava/awt/event/MouseEvent;)Z+139 j java.awt.LightweightDispatcher.dispatchEvent(Ljava/awt/AWTEvent;)Z+50 j java.awt.Container.dispatchEventImpl(Ljava/awt/AWTEvent;)V+12 j java.awt.Window.dispatchEventImpl(Ljava/awt/AWTEvent;)V+65 j java.awt.Component.dispatchEvent(Ljava/awt/AWTEvent;)V+2 j java.awt.EventQueue.dispatchEventImpl(Ljava/awt/AWTEvent;Ljava/lang/Object;)V+41 j java.awt.EventQueue.access$000(Ljava/awt/EventQueue;Ljava/awt/AWTEvent;Ljava/lang/Object;)V+3 j java.awt.EventQueue$1.run()Ljava/lang/Void;+12 j java.awt.EventQueue$1.run()Ljava/lang/Object;+1 v ~StubRoutines::call_stub V [jvm.dll+0xfac3b] V [jvm.dll+0x18c3a1] V [jvm.dll+0xfacbd] V [jvm.dll+0xbb654] C [java.dll+0x102f] Java_java_security_AccessController_doPrivileged__Ljava_security_PrivilegedAction_2Ljava_security_AccessControlContext_2+0x17 j java.security.AccessControlContext$1.doIntersectionPrivilege(Ljava/security/PrivilegedActio n;Ljava/security/AccessControlContext;Ljava/security/AccessControlContext;)Ljava/lang/Objec t;+28 j java.security.AccessControlContext$1.doIntersectionPrivilege(Ljava/security/PrivilegedActio n;Ljava/security/AccessControlContext;)Ljava/lang/Object;+6 j java.awt.EventQueue$2.run()Ljava/lang/Void;+11 j java.awt.EventQueue$2.run()Ljava/lang/Object;+1 v ~StubRoutines::call_stub V [jvm.dll+0xfac3b] V [jvm.dll+0x18c3a1] V [jvm.dll+0xfacbd] V [jvm.dll+0xbb654] C [java.dll+0x102f] Java_java_security_AccessController_doPrivileged__Ljava_security_PrivilegedAction_2Ljava_se curity_AccessControlContext_2+0x17 j java.security.AccessControlContext$1.doIntersectionPrivilege(Ljava/security/PrivilegedAction;Ljava/security/AccessControlContext;Ljava/security/AccessControlContext;)Ljava/lang/Object;+28 j java.awt.EventQueue.dispatchEvent(Ljava/awt/AWTEvent;)V+73 j java.awt.EventDispatchThread.pumpOneEventForFilters(I)Z+204 j java.awt.EventDispatchThread.pumpEventsForFilter(ILjava/awt/Conditional;Ljava/awt/EventFilter;)V+30 j java.awt.EventDispatchThread.pumpEventsForHierarchy(ILjava/awt/Conditional;Ljava/awt/Component;)V+11 j java.awt.EventDispatchThread.pumpEvents(ILjava/awt/Conditional;)V+4 j java.awt.EventDispatchThread.pumpEvents(Ljava/awt/Conditional;)V+3 j java.awt.EventDispatchThread.run()V+9 v ~StubRoutines::call_stub V [jvm.dll+0xfac3b] V [jvm.dll+0x18c3a1] V [jvm.dll+0xfade1] V [jvm.dll+0xfae3b] V [jvm.dll+0xb5569] V [jvm.dll+0x118f14] V [jvm.dll+0x140ffc] C [msvcr71.dll+0x9565] endthreadex+0xa0 C [kernel32.dll+0xb50b] GetModuleFileNameA+0x1b4 Java frames: (J=compiled Java code, j=interpreted, Vv=VM code) j sun.jdbc.odbc.JdbcOdbc.allocStmt(J[B)J+0 j sun.jdbc.odbc.JdbcOdbc.SQLAllocStmt(J)J+47 j sun.jdbc.odbc.JdbcOdbcConnection.createStatement(II)Ljava/sql/Statement;+27 j sun.jdbc.odbc.JdbcOdbcConnection.createStatement()Ljava/sql/Statement;+7 j AddLeave.find()V+37 j AddLeave.actionPerformed(Ljava/awt/event/ActionEvent;)V+17 j javax.swing.AbstractButton.fireActionPerformed(Ljava/awt/event/ActionEvent;)V+84 j javax.swing.AbstractButton$Handler.actionPerformed(Ljava/awt/event/ActionEvent;)V+5 j javax.swing.DefaultButtonModel.fireActionPerformed(Ljava/awt/event/ActionEvent;)V+35 j javax.swing.DefaultButtonModel.setPressed(Z)V+117 j javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Ljava/awt/event/MouseEvent;)V+35 j java.awt.Component.processMouseEvent(Ljava/awt/event/MouseEvent;)V+64 j javax.swing.JComponent.processMouseEvent(Ljava/awt/event/MouseEvent;)V+23 j java.awt.Component.processEvent(Ljava/awt/AWTEvent;)V+81 j java.awt.Container.processEvent(Ljava/awt/AWTEvent;)V+18 j java.awt.Component.dispatchEventImpl(Ljava/awt/AWTEvent;)V+570 j java.awt.Container.dispatchEventImpl(Ljava/awt/AWTEvent;)V+42 j java.awt.Component.dispatchEvent(Ljava/awt/AWTEvent;)V+2 j java.awt.LightweightDispatcher.retargetMouseEvent(Ljava/awt/Component;ILjava/awt/event/MouseEvent;)V+320 j java.awt.LightweightDispatcher.processMouseEvent(Ljava/awt/event/MouseEvent;)Z+139 j java.awt.LightweightDispatcher.dispatchEvent(Ljava/awt/AWTEvent;)Z+50 j java.awt.Container.dispatchEventImpl(Ljava/awt/AWTEvent;)V+12 j java.awt.Window.dispatchEventImpl(Ljava/awt/AWTEvent;)V+65 j java.awt.Component.dispatchEvent(Ljava/awt/AWTEvent;)V+2 j java.awt.EventQueue.dispatchEventImpl(Ljava/awt/AWTEvent;Ljava/lang/Object;)V+41 j java.awt.EventQueue.access$000(Ljava/awt/EventQueue;Ljava/awt/AWTEvent;Ljava/lang/Object;)V+3 j java.awt.EventQueue$1.run()Ljava/lang/Void;+12 j java.awt.EventQueue$1.run()Ljava/lang/Object;+1 v ~StubRoutines::call_stub j java.security.AccessController.doPrivileged(Ljava/security/PrivilegedAction;Ljava/security/ AccessControlContext;)Ljava/lang/Object;+0 j java.security.AccessControlContext$1.doIntersectionPrivilege(Ljava/security/PrivilegedAction;Ljava/security/AccessControlContext;Ljava/security/AccessControlContext;)Ljava/lang/Object;+28 j java.security.AccessControlContext$1.doIntersectionPrivilege(Ljava/security/PrivilegedAction;Ljava/security/AccessControlContext;)Ljava/lang/Object;+6 j java.awt.EventQueue$2.run()Ljava/lang/Void;+11 j java.awt.EventQueue$2.run()Ljava/lang/Object;+1 v ~StubRoutines::call_stub j java.security.AccessController.doPrivileged(Ljava/security/PrivilegedAction;Ljava/security/AccessControlContext;)Ljava/lang/Object;+0 j java.security.AccessControlContext$1.doIntersectionPrivilege(Ljava/security/PrivilegedAction;Ljava/security/AccessControlContext;Ljava/security/AccessControlContext;)Ljava/lang/Object;+28 j java.awt.EventQueue.dispatchEvent(Ljava/awt/AWTEvent;)V+73 j java.awt.EventDispatchThread.pumpOneEventForFilters(I)Z+204 j java.awt.EventDispatchThread.pumpEventsForFilter(ILjava/awt/Conditional;Ljava/awt/EventFilter;)V+30 j java.awt.EventDispatchThread.pumpEventsForHierarchy(ILjava/awt/Conditional;Ljava/awt/Component;)V+11 j java.awt.EventDispatchThread.pumpEvents(ILjava/awt/Conditional;)V+4 j java.awt.EventDispatchThread.pumpEvents(Ljava/awt/Conditional;)V+3 j java.awt.EventDispatchThread.run()V+9 v ~StubRoutines::call_stub --------------- P R O C E S S --------------- Java Threads: ( => current thread ) 0x0312dc00 JavaThread "TimerQueue" daemon [_thread_blocked, id=3508, stack(0x03540000,0x03590000)] 0x002a6400 JavaThread "DestroyJavaVM" [_thread_blocked, id=3588, stack(0x008c0000,0x00910000)] 0x0308f400 JavaThread "D3D Screen Updater" daemon [_thread_blocked, id=3808, stack(0x03370000,0x033c0000)] =>0x03054400 JavaThread "AWT-EventQueue-0" [_thread_in_native, id=3732, stack(0x03250000,0x032a0000)] 0x02b8f800 JavaThread "AWT-Windows" daemon [_thread_in_native, id=380, stack(0x02f90000,0x02fe0000)] 0x02b8e400 JavaThread "AWT-Shutdown" [_thread_blocked, id=3368, stack(0x02f40000,0x02f90000)] 0x02b8cc00 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=972, stack(0x02ef0000,0x02f40000)] 0x02b48800 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=1524, stack(0x02dc0000,0x02e10000)] 0x02b43400 JavaThread "C1 CompilerThread0" daemon [_thread_blocked, id=3272, stack(0x02d70000,0x02dc0000)] 0x02b41000 JavaThread "Attach Listener" daemon [_thread_blocked, id=1364, stack(0x02d20000,0x02d70000)] 0x02b3f800 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=2804, stack(0x02cd0000,0x02d20000)] 0x02b38400 JavaThread "Finalizer" daemon [_thread_blocked, id=3164, stack(0x02c80000,0x02cd0000)] 0x02b36c00 JavaThread "Reference Handler" daemon [_thread_blocked, id=1656, stack(0x02c30000,0x02c80000)] Other Threads: 0x02afa000 VMThread [stack: 0x02be0000,0x02c30000] [id=1988] 0x02b4b400 WatcherThread [stack: 0x02e10000,0x02e60000] [id=956] VM state:not at safepoint (normal execution) VM Mutex/Monitor currently owned by a thread: None Heap def new generation total 4928K, used 2084K [0x22970000, 0x22ec0000, 0x27ec0000) eden space 4416K, 47% used [0x22970000, 0x22b791d8, 0x22dc0000) from space 512K, 0% used [0x22dc0000, 0x22dc0000, 0x22e40000) to space 512K, 0% used [0x22e40000, 0x22e40000, 0x22ec0000) tenured generation total 10944K, used 0K [0x27ec0000, 0x28970000, 0x32970000) the space 10944K, 0% used [0x27ec0000, 0x27ec0000, 0x27ec0200, 0x28970000) compacting perm gen total 12288K, used 764K [0x32970000, 0x33570000, 0x36970000) the space 12288K, 6% used [0x32970000, 0x32a2f0f0, 0x32a2f200, 0x33570000) ro space 10240K, 51% used [0x36970000, 0x36e9e318, 0x36e9e400, 0x37370000) rw space 12288K, 55% used [0x37370000, 0x37a0a088, 0x37a0a200, 0x37f70000) Code Cache [0x00910000, 0x009b0000, 0x02910000) total_blobs=316 nmethods=92 adapters=160 free_code_cache=32927040 largest_free_block=0 Dynamic libraries: 0x00400000 - 0x00425000 C:\WINDOWS\system32\java.exe 0x7c900000 - 0x7c9b0000 C:\WINDOWS\system32\ntdll.dll 0x7c800000 - 0x7c8f4000 C:\WINDOWS\system32\kernel32.dll 0x77dd0000 - 0x77e6b000 C:\WINDOWS\system32\ADVAPI32.dll 0x77e70000 - 0x77f01000 C:\WINDOWS\system32\RPCRT4.dll 0x7c340000 - 0x7c396000 C:\Program Files\Java\jre6\bin\msvcr71.dll 0x6d7f0000 - 0x6da9f000 C:\Program Files\Java\jre6\bin\client\jvm.dll 0x77d40000 - 0x77dd0000 C:\WINDOWS\system32\USER32.dll 0x77f10000 - 0x77f56000 C:\WINDOWS\system32\GDI32.dll 0x76b40000 - 0x76b6d000 C:\WINDOWS\system32\WINMM.dll 0x6d7a0000 - 0x6d7ac000 C:\Program Files\Java\jre6\bin\verify.dll 0x6d320000 - 0x6d33f000 C:\Program Files\Java\jre6\bin\java.dll 0x6d7e0000 - 0x6d7ef000 C:\Program Files\Java\jre6\bin\zip.dll 0x6d000000 - 0x6d14c000 C:\Program Files\Java\jre6\bin\awt.dll 0x73000000 - 0x73026000 C:\WINDOWS\system32\WINSPOOL.DRV 0x77c10000 - 0x77c68000 C:\WINDOWS\system32\msvcrt.dll 0x76390000 - 0x763ad000 C:\WINDOWS\system32\IMM32.dll 0x774e0000 - 0x7761c000 C:\WINDOWS\system32\ole32.dll 0x773d0000 - 0x774d2000 C:\WINDOWS\WinSxS\x86_Microsoft.Windows.Common- Controls_6595b64144ccf1df_6.0.2600.2180_x-ww_a84f1ff9\COMCTL32.dll 0x77f60000 - 0x77fd6000 C:\WINDOWS\system32\SHLWAPI.dll 0x5ad70000 - 0x5ada8000 C:\WINDOWS\system32\uxtheme.dll 0x6d230000 - 0x6d27f000 C:\Program Files\Java\jre6\bin\fontmanager.dll 0x74720000 - 0x7476b000 C:\WINDOWS\system32\MSCTF.dll 0x4fdd0000 - 0x4ff76000 C:\WINDOWS\system32\d3d9.dll 0x03020000 - 0x03026000 C:\WINDOWS\system32\d3d8thk.dll 0x77c00000 - 0x77c08000 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"Demo" is the name of the database which has 4 columns namely empid,Fname,Lname,designation. The working of the program is that when I enter the employee ID it retrieves the remaining data from the database. As I have not added the department Id column I am not getting that from the database.