First day with java: and first problem

Hi friends,
may be i'm hurrying a bit. But i really don't have time. I'm a PHP programmer , trying to shift to java, and i have one week to learn core java, j2ee and blah blah! And here i'm with a confusion.
When i tried implementing servlet , i didn't get any output:
public void init(ServletConfig config) throws ServletException {
System.out.println("init");
but when i tried extending httpServlet , that worked.
whats the problem?
and will be happy to get a few tips.
Thanks.

Your best bet would be to get someone with years of java experience at your side and have him set up your environment and will stand by when you get stuck. There is a LOT to learn that will take far far longer than one week to learn (more like years to get any good). Its a totally unrealistic expectation.
Here's a rundown for a quick start:
* Download and install JDK
* Download and install Eclipse Ganymede IDE
* Download and install Tomcat
* Download and install Tomcat plugin for Eclipse
* Build a hello world JSP page and run it in tomcat
* Build a hello world Servlet and run it in tomcat
* Install a free database such as Oracle Lite or MySql.
* learn how to use the database's free utility to create database tables and grant permission to read/write to them.
* Learn JDBC and get your program to connect to the database and query it.
* Learn MVC design

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Oracle has released a Java 7 Update 11 to address security vulnerabilities and you should update to that version.
*https://support.mozilla.org/kb/how-to-use-java-if-its-been-blocked
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Here's what I got. I don't see anything that helps but I'm kinda new to using SQL and java together.
D:\javatemp\viddb>java videodb
Problem with SQL java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver
] Syntax error in CREATE TABLE statement.
Driver Error Number-3551
java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver] Syntax error in
CREATE TABLE statement.
at sun.jdbc.odbc.JdbcOdbc.createSQLException(Unknown Source)
at sun.jdbc.odbc.JdbcOdbc.standardError(Unknown Source)
at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(Unknown Source)
at sun.jdbc.odbc.JdbcOdbcStatement.execute(Unknown Source)
at sun.jdbc.odbc.JdbcOdbcStatement.executeUpdate(Unknown Source)
at videodb.main(videodb.java:31)
D:\javatemp\viddb>

Sir i am using datasocket read ,i am communicating with java but my problem is that bcz im using while loop to see if value has changed my labview consumes all the processors time ,sir i want a event like thing so that while loop is not in continuous loop

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sir i am using datasocket read ,i am communicating with java but my problem is that bcz im using while loop to see if value has changed my labview consumes all the processors time ,sir i want a event like thing so that while loop is not in continuous loopHi Sam,
I want to pass along a couple of tips that will get you more and better response on this list.
1) There is an un-written rule that says more "stars" is better than just one star. Giving a one star rating will probably eliminate that responder from individuals that are willing to anser your question.
2) If someone gives you an answer that meets your needs, reply to that answer and say that it worked.
3) If someone suggests that you look at an example, DO IT! LV comes with a wonderful set of examples that demonstate almost all of the core functionality of LV. Familiarity with all of the LV examples will get you through about 80% of the Certified LabVIEW Developer exam.
4) If you have a question first search the examples for something tha
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5) Some of the greatest LabVIEW minds offer there services and advice for free on this exchange. If you treat them good, they can get you through almost every challenge that can be encountered in LV.
6) If English is not your native language, post your question in the language you favor. There is probably someone around that can help. "We're big, we're bad, we're international!"
Trying to help,
Welcome to the forum!
Ben
Ben Rayner
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azedor wrote:
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>
>
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Hi all. Not sure if I should ask this here or in an SQL forum. I�m trying to manipulate an access database through java via the JDBC-ODBC bridge driver. The program compiles ok but when I try to execute it I get an error. According to the error there is a syntax problem in my SQL create table statement but it doesn�t tell what the problem is and I�ve looked over the create statement and can�t find anything wrong with it. There is, however, an error code from the driver but I have no way of referencing it. Anyone here know why otherwise normal SQL code would cause a syntax error with java or how I can track the error to get a hint at what�s going wrong? Here is the code and the error:
// java program to create an access database through JDBC
import java.sql.*;
public class videodb {
public static void main(String args[]) {
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Error:
Problem with SQL: java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver] Syntax error in CREATE TABLE statement.
Driver Error Number-3551

Here's what I got. I don't see anything that helps but I'm kinda new to using SQL and java together.
D:\javatemp\viddb>java videodb
Problem with SQL java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver
] Syntax error in CREATE TABLE statement.
Driver Error Number-3551
java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver] Syntax error in
CREATE TABLE statement.
at sun.jdbc.odbc.JdbcOdbc.createSQLException(Unknown Source)
at sun.jdbc.odbc.JdbcOdbc.standardError(Unknown Source)
at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(Unknown Source)
at sun.jdbc.odbc.JdbcOdbcStatement.execute(Unknown Source)
at sun.jdbc.odbc.JdbcOdbcStatement.executeUpdate(Unknown Source)
at videodb.main(videodb.java:31)
D:\javatemp\viddb>

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I did download the latest version of Java to my computer and this problem exists using both the Netscape and Internet Explorer latest browsers.
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I have contacted technical support at http://www.gay.com to no avail.
Please write me back directly to [email protected]
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An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x6D07014F
Function=Java_sun_awt_windows_WColor_getDefaultColor+0x28D4
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0x77D40000 - 0x77DC6000      C:\WINDOWS\system32\USER32.dll
0x77C70000 - 0x77CB0000      C:\WINDOWS\system32\GDI32.dll
0x77DD0000 - 0x77E5D000      C:\WINDOWS\system32\ADVAPI32.dll
0x78000000 - 0x7807F000      C:\WINDOWS\system32\RPCRT4.dll
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0x773D0000 - 0x77BC2000      C:\WINDOWS\system32\SHELL32.dll
0x77340000 - 0x773CB000      C:\WINDOWS\system32\comctl32.dll
0x771B0000 - 0x772D1000      C:\WINDOWS\system32\ole32.dll
0x5AD70000 - 0x5ADA4000      C:\WINDOWS\System32\uxtheme.dll
0x75F80000 - 0x7607C000      C:\WINDOWS\System32\BROWSEUI.dll
0x72430000 - 0x72442000      C:\WINDOWS\System32\browselc.dll
0x75F40000 - 0x75F5F000      C:\WINDOWS\system32\appHelp.dll
0x76FD0000 - 0x77048000      C:\WINDOWS\System32\CLBCATQ.DLL
0x77120000 - 0x771AB000      C:\WINDOWS\system32\OLEAUT32.dll
0x77050000 - 0x77115000      C:\WINDOWS\System32\COMRes.dll
0x77C00000 - 0x77C07000      C:\WINDOWS\system32\VERSION.dll
0x76200000 - 0x76298000      C:\WINDOWS\system32\WININET.dll
0x762C0000 - 0x76348000      C:\WINDOWS\system32\CRYPT32.dll
0x762A0000 - 0x762AF000      C:\WINDOWS\system32\MSASN1.dll
0x76F90000 - 0x76FA0000      C:\WINDOWS\System32\Secur32.dll
0x76620000 - 0x7666E000      C:\WINDOWS\System32\cscui.dll
0x76600000 - 0x7661B000      C:\WINDOWS\System32\CSCDLL.dll
0x76670000 - 0x76757000      C:\WINDOWS\System32\SETUPAPI.dll
0x10000000 - 0x1001C000      C:\Program Files\Norton SystemWorks\Norton AntiVirus\NavShExt.dll
0x01470000 - 0x0148A000      C:\WINDOWS\System32\ccTrust.dll
0x55900000 - 0x55961000      C:\WINDOWS\System32\MSVCP60.dll
0x76B20000 - 0x76B35000      C:\WINDOWS\System32\ATL.DLL
0x014D0000 - 0x016D1000      C:\WINDOWS\System32\msi.dll
0x016E0000 - 0x01704000      C:\Program Files\Microsoft Money\System\mnyviewer.dll
0x763B0000 - 0x763F5000      C:\WINDOWS\system32\comdlg32.dll
0x1A400000 - 0x1A47A000      C:\WINDOWS\system32\urlmon.dll
0x76170000 - 0x761F8000      C:\WINDOWS\System32\shdoclc.dll
0x74770000 - 0x747FF000      C:\WINDOWS\System32\mlang.dll
0x71AD0000 - 0x71AD8000      C:\WINDOWS\System32\wsock32.dll
0x71AB0000 - 0x71AC5000      C:\WINDOWS\System32\WS2_32.dll
0x71AA0000 - 0x71AA8000      C:\WINDOWS\System32\WS2HELP.dll
0x71A50000 - 0x71A8B000      C:\WINDOWS\system32\mswsock.dll
0x71A90000 - 0x71A98000      C:\WINDOWS\System32\wshtcpip.dll
0x76EE0000 - 0x76F17000      C:\WINDOWS\System32\RASAPI32.DLL
0x76E90000 - 0x76EA1000      C:\WINDOWS\System32\rasman.dll
0x71C20000 - 0x71C6E000      C:\WINDOWS\System32\NETAPI32.dll
0x76EB0000 - 0x76EDB000      C:\WINDOWS\System32\TAPI32.dll
0x76E80000 - 0x76E8D000      C:\WINDOWS\System32\rtutils.dll
0x76B40000 - 0x76B6C000      C:\WINDOWS\System32\WINMM.dll
0x5CD70000 - 0x5CD77000      C:\WINDOWS\System32\serwvdrv.dll
0x5B0A0000 - 0x5B0A7000      C:\WINDOWS\System32\umdmxfrm.dll
0x75E90000 - 0x75F37000      C:\WINDOWS\System32\SXS.DLL
0x76F20000 - 0x76F45000      C:\WINDOWS\System32\DNSAPI.dll
0x76D60000 - 0x76D77000      C:\WINDOWS\System32\iphlpapi.dll
0x76FB0000 - 0x76FB7000      C:\WINDOWS\System32\winrnr.dll
0x76F60000 - 0x76F8C000      C:\WINDOWS\system32\WLDAP32.dll
0x722B0000 - 0x722B5000      C:\WINDOWS\System32\sensapi.dll
0x75A70000 - 0x75B15000      C:\WINDOWS\system32\USERENV.dll
0x0FFD0000 - 0x0FFF3000      C:\WINDOWS\System32\rsaenh.dll
0x76FC0000 - 0x76FC5000      C:\WINDOWS\System32\rasadhlp.dll
0x63580000 - 0x6382C000      C:\WINDOWS\System32\mshtml.dll
0x746F0000 - 0x74716000      C:\WINDOWS\System32\msimtf.dll
0x74720000 - 0x74764000      C:\WINDOWS\System32\MSCTF.dll
0x76390000 - 0x763AC000      C:\WINDOWS\System32\IMM32.DLL
0x32520000 - 0x32532000      C:\Program Files\Microsoft Office\Office10\msohev.dll
0x02430000 - 0x0244B000      C:\Program Files\Common Files\Symantec Shared\Script Blocking\scrauth.dll
0x02560000 - 0x0257E000      C:\Program Files\Common Files\Symantec Shared\Script Blocking\ScrBlock.dll
0x76C30000 - 0x76C5B000      C:\WINDOWS\System32\wintrust.dll
0x76C90000 - 0x76CB2000      C:\WINDOWS\system32\IMAGEHLP.dll
0x73D50000 - 0x73D60000      C:\WINDOWS\System32\cryptnet.dll
0x6B700000 - 0x6B790000      c:\windows\system32\jscript.dll
0x746C0000 - 0x746E7000      C:\WINDOWS\System32\MSLS31.DLL
0x73300000 - 0x73375000      c:\windows\system32\vbscript.dll
0x03380000 - 0x03509000      C:\WINDOWS\System32\macromed\flash\Flash.ocx
0x72D20000 - 0x72D29000      C:\WINDOWS\System32\wdmaud.drv
0x72D10000 - 0x72D18000      C:\WINDOWS\System32\msacm32.drv
0x77BE0000 - 0x77BF4000      C:\WINDOWS\System32\MSACM32.dll
0x77BD0000 - 0x77BD7000      C:\WINDOWS\System32\midimap.dll
0x65000000 - 0x65009000      C:\WINDOWS\System32\ddrawex.dll
0x51000000 - 0x51047000      C:\WINDOWS\System32\DDRAW.dll
0x73BC0000 - 0x73BC6000      C:\WINDOWS\System32\DCIMAN32.dll
0x6BDD0000 - 0x6BE03000      C:\WINDOWS\System32\dxtrans.dll
0x6BE10000 - 0x6BE65000      C:\WINDOWS\System32\dxtmsft.dll
0x74CB0000 - 0x74D1F000      C:\WINDOWS\System32\mshtmled.dll
0x05230000 - 0x05237000      C:\Program Files\Microsoft Money\System\urlmapps.dll
0x71B20000 - 0x71B31000      C:\WINDOWS\system32\MPR.dll
0x75F60000 - 0x75F66000      C:\WINDOWS\System32\drprov.dll
0x71C10000 - 0x71C1D000      C:\WINDOWS\System32\ntlanman.dll
0x71CD0000 - 0x71CE6000      C:\WINDOWS\System32\NETUI0.dll
0x71C90000 - 0x71CCC000      C:\WINDOWS\System32\NETUI1.dll
0x71C80000 - 0x71C86000      C:\WINDOWS\System32\NETRAP.dll
0x71BF0000 - 0x71C01000      C:\WINDOWS\System32\SAMLIB.dll
0x75F70000 - 0x75F79000      C:\WINDOWS\System32\davclnt.dll
0x75970000 - 0x75A61000      C:\WINDOWS\System32\MSGINA.dll
0x76360000 - 0x7636F000      C:\WINDOWS\System32\WINSTA.dll
0x1F7B0000 - 0x1F7E1000      C:\WINDOWS\System32\ODBC32.dll
0x1F850000 - 0x1F866000      C:\WINDOWS\System32\odbcint.dll
0x767F0000 - 0x76814000      C:\WINDOWS\System32\schannel.dll
0x0FFA0000 - 0x0FFC1000      C:\WINDOWS\System32\dssenh.dll
0x66E50000 - 0x66E8B000      C:\WINDOWS\System32\iepeers.dll
0x73000000 - 0x73023000      C:\WINDOWS\System32\WINSPOOL.DRV
0x71D40000 - 0x71D5B000      C:\WINDOWS\System32\actxprxy.dll
0x6CC60000 - 0x6CC6B000      C:\WINDOWS\System32\dispex.dll
0x6D820000 - 0x6D82F000      C:\Program Files\Java\j2re1.4.1_02\bin\npjpi141_02.dll
0x6D780000 - 0x6D796000      C:\Program Files\Java\j2re1.4.1_02\bin\jpiexp32.dll
0x6D7C0000 - 0x6D7D4000      C:\Program Files\Java\j2re1.4.1_02\bin\jpishare.dll
0x6D340000 - 0x6D46A000      C:\PROGRA~1\Java\J2RE14~1.1_0\bin\client\jvm.dll
0x6D1E0000 - 0x6D1E7000      C:\PROGRA~1\Java\J2RE14~1.1_0\bin\hpi.dll
0x6D310000 - 0x6D31E000      C:\PROGRA~1\Java\J2RE14~1.1_0\bin\verify.dll
0x6D220000 - 0x6D239000      C:\PROGRA~1\Java\J2RE14~1.1_0\bin\java.dll
0x6D330000 - 0x6D33D000      C:\PROGRA~1\Java\J2RE14~1.1_0\bin\zip.dll
0x6D000000 - 0x6D105000      C:\Program Files\Java\j2re1.4.1_02\bin\awt.dll
0x6D190000 - 0x6D1E0000      C:\Program Files\Java\j2re1.4.1_02\bin\fontmanager.dll
0x5C000000 - 0x5C0C8000      C:\WINDOWS\System32\D3DIM700.DLL
0x6D720000 - 0x6D731000      C:\Program Files\Java\j2re1.4.1_02\bin\jpicom32.dll
0x6D2E0000 - 0x6D2EE000      C:\Program Files\Java\j2re1.4.1_02\bin\net.dll
0x6D140000 - 0x6D162000      C:\Program Files\Java\j2re1.4.1_02\bin\dcpr.dll
0x67F00000 - 0x67F07000      C:\Program Files\America Online 8.0\idleproc.dll
0x05420000 - 0x05427000      C:\Program Files\Yahoo!\Messenger\idle.dll
0x1FCF0000 - 0x1FFBE000      C:\WINDOWS\System32\wmploc.dll
0x732E0000 - 0x732E5000      C:\WINDOWS\System32\RICHED32.DLL
0x74E30000 - 0x74E9A000      C:\WINDOWS\System32\RICHED20.dll
0x6D2B0000 - 0x6D2D1000      C:\Program Files\Java\j2re1.4.1_02\bin\jsound.dll
0x6D290000 - 0x6D2AE000      C:\Program Files\Java\j2re1.4.1_02\bin\jpeg.dll
0x6D510000 - 0x6D58D000      C:\WINDOWS\system32\DBGHELP.dll
0x76BF0000 - 0x76BFB000      C:\WINDOWS\System32\PSAPI.DLL
Local Time = Sun Apr 20 21:23:14 2003
Elapsed Time = 30584
# The exception above was detected in native code outside the VM
# Java VM: Java HotSpot(TM) Client VM (1.4.1_02-b06 mixed mode)

Having closely scrutinised your code for many hours, I am at a loss with this one. The one thing that is suspicious is the exclamation mark after Yahoo in the 8th line from the bottom.
Get rid of it and give it a try.

First day with java: and first problem

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