Re: Database jdbc

2011-03-07 Thread Mohammed Magdi
when i compiled my code i get this Exception :

Exception in thread main java.lang.NoSuchMethodError:
org.mortbay.thread.Timeout.init(Ljava/lang/Object;)V
at
org.mortbay.io.nio.SelectorManager$SelectSet.init(SelectorManager.java:306)
at org.mortbay.io.nio.SelectorManager.doStart(SelectorManager.java:223)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
at
org.mortbay.jetty.nio.SelectChannelConnector.doStart(SelectChannelConnector.java:303)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
at org.mortbay.jetty.Server.doStart(Server.java:233)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
at
com.google.gwt.dev.shell.jetty.JettyLauncher.start(JettyLauncher.java:565)
at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:494)
at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1058)
at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:800)
at com.google.gwt.dev.DevMode.main(DevMode.java:304)

i attached the code :)
TestDbc,DataBaseConn,DataBaseConnAsync   (client code)
DataBaseConnImpl , DAO (server code)
web.xml



thanks magdi

On Sat, Mar 5, 2011 at 10:42 PM, Juan Pablo Gardella 
gardellajuanpa...@gmail.com wrote:

 Post the stacktrace if you want help.

 Juan

 2011/3/4 Mohammed Magdi moh_ma...@acm.org

 i write the conn part in server part and it run and failed to access the
 db and i tried the java code only and he can access the data base in java
 project not GWT ??!!

 magdi
 thanks

 On Fri, Mar 4, 2011 at 12:44 PM, Paul Robinson ukcue...@gmail.comwrote:

 You cannot access JDBC directly from the client (GWT) code. You can only
 do it in the server (regular java) code.


 On 04/03/11 08:59, Mohammed Magdi wrote:

 hi
 thanks for the link i do the conn but when i compile the project i get
 that erorr


 Compiling module com.test.dbc.TestDbC
Validating newly compiled units
   [ERROR] Errors in

 'file:/C:/Users/Magdi/Documents/MYWORK/WorkSpace/testDbC/src/com/test/dbc/client/DataBaseConn.java'
  [ERROR] Line 7: No source code is available for type
 java.lang.ClassNotFoundException; did you forget to inherit a required
 module?
  [ERROR] Line 7: No source code is available for type
 java.sql.SQLException; did you forget to inherit a required module?
   [ERROR] Errors in

 'file:/C:/Users/Magdi/Documents/MYWORK/WorkSpace/testDbC/src/com/test/dbc/client/DataBaseConnAsync.java'
  [ERROR] Line 10: No source code is available for type
 java.lang.ClassNotFoundException; did you forget to inherit a required
 module?
  [ERROR] Line 10: No source code is available for type
 java.sql.SQLException; did you forget to inherit a required module?
Finding entry point classes
   [ERROR] Unable to find type 'com.test.dbc.client.TestDbC'
  [ERROR] Hint: Previous compiler errors may have made this
 type unavailable
  [ERROR] Hint: Check the inheritance chain from your module;
 it may not be inheriting a required module or a module may not be
 adding its source path entries properly


 thanks
 magdi

 On 3/3/11, Ben Impbenlee...@gmail.com  wrote:

 Server-side GWT is just plain old java.  I'd suggest reading up on the
 JDBC documentation.

 http://download.oracle.com/javase/6/docs/technotes/guides/jdbc/

 -Ben

 On Mar 3, 3:14 pm, Mohammed Magdimoh_ma...@acm.org  wrote:

 yes in Java

 thanks
 magdi

 On Thu, Mar 3, 2011 at 6:06 PM, Juan Pablo Gardella



 gardellajuanpa...@gmail.com  wrote:

 Is Java. You must implement layers to connect with a database.
 Juan
 2011/3/3 Mohammed Magdiacm.ma...@gmail.com

 hi
 i waht tow know how to connect database into GWT project
 thanks
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 Third Year - CS dept

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Re: Database jdbc

2011-03-07 Thread Juan Pablo Gardella
I paste the error in google ahd found this:

http://blog.elitecoderz.net/org-mortbay-thread-timeout-exception-on-new-gwt-webapplication-with-instantiations-gwt-designer-or-windowbuilder-pro/2010/05/

http://blog.elitecoderz.net/org-mortbay-thread-timeout-exception-on-new-gwt-webapplication-with-instantiations-gwt-designer-or-windowbuilder-pro/2010/05/Tell
me if resolve your problem. Search in google: Exception in thread main
java.lang.NoSuchMethodError:
org.mortbay.thread.Timeout.init(Ljava/lang/Object;)V and found similar
solutions.

Juan

2011/3/7 Mohammed Magdi moh_ma...@acm.org

 when i compiled my code i get this Exception :

 Exception in thread main java.lang.NoSuchMethodError:
 org.mortbay.thread.Timeout.init(Ljava/lang/Object;)V
  at
 org.mortbay.io.nio.SelectorManager$SelectSet.init(SelectorManager.java:306)
 at org.mortbay.io.nio.SelectorManager.doStart(SelectorManager.java:223)
  at
 org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
 at
 org.mortbay.jetty.nio.SelectChannelConnector.doStart(SelectChannelConnector.java:303)
  at
 org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
 at org.mortbay.jetty.Server.doStart(Server.java:233)
  at
 org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
 at
 com.google.gwt.dev.shell.jetty.JettyLauncher.start(JettyLauncher.java:565)
  at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:494)
 at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1058)
  at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:800)
 at com.google.gwt.dev.DevMode.main(DevMode.java:304)

 i attached the code :)
 TestDbc,DataBaseConn,DataBaseConnAsync   (client code)
 DataBaseConnImpl , DAO (server code)
 web.xml



 thanks magdi

 On Sat, Mar 5, 2011 at 10:42 PM, Juan Pablo Gardella 
 gardellajuanpa...@gmail.com wrote:

 Post the stacktrace if you want help.

 Juan

 2011/3/4 Mohammed Magdi moh_ma...@acm.org

 i write the conn part in server part and it run and failed to access the
 db and i tried the java code only and he can access the data base in java
 project not GWT ??!!

 magdi
 thanks

 On Fri, Mar 4, 2011 at 12:44 PM, Paul Robinson ukcue...@gmail.comwrote:

 You cannot access JDBC directly from the client (GWT) code. You can only
 do it in the server (regular java) code.


 On 04/03/11 08:59, Mohammed Magdi wrote:

 hi
 thanks for the link i do the conn but when i compile the project i get
 that erorr


 Compiling module com.test.dbc.TestDbC
Validating newly compiled units
   [ERROR] Errors in

 'file:/C:/Users/Magdi/Documents/MYWORK/WorkSpace/testDbC/src/com/test/dbc/client/DataBaseConn.java'
  [ERROR] Line 7: No source code is available for type
 java.lang.ClassNotFoundException; did you forget to inherit a required
 module?
  [ERROR] Line 7: No source code is available for type
 java.sql.SQLException; did you forget to inherit a required module?
   [ERROR] Errors in

 'file:/C:/Users/Magdi/Documents/MYWORK/WorkSpace/testDbC/src/com/test/dbc/client/DataBaseConnAsync.java'
  [ERROR] Line 10: No source code is available for type
 java.lang.ClassNotFoundException; did you forget to inherit a required
 module?
  [ERROR] Line 10: No source code is available for type
 java.sql.SQLException; did you forget to inherit a required module?
Finding entry point classes
   [ERROR] Unable to find type 'com.test.dbc.client.TestDbC'
  [ERROR] Hint: Previous compiler errors may have made this
 type unavailable
  [ERROR] Hint: Check the inheritance chain from your module;
 it may not be inheriting a required module or a module may not be
 adding its source path entries properly


 thanks
 magdi

 On 3/3/11, Ben Impbenlee...@gmail.com  wrote:

 Server-side GWT is just plain old java.  I'd suggest reading up on the
 JDBC documentation.

 http://download.oracle.com/javase/6/docs/technotes/guides/jdbc/

 -Ben

 On Mar 3, 3:14 pm, Mohammed Magdimoh_ma...@acm.org  wrote:

 yes in Java

 thanks
 magdi

 On Thu, Mar 3, 2011 at 6:06 PM, Juan Pablo Gardella



 gardellajuanpa...@gmail.com  wrote:

 Is Java. You must implement layers to connect with a database.
 Juan
 2011/3/3 Mohammed Magdiacm.ma...@gmail.com

 hi
 i waht tow know how to connect database into GWT project
 thanks
 --
 You received this message because you are subscribed to the Google
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Re: Database jdbc

2011-03-05 Thread Juan Pablo Gardella
Post the stacktrace if you want help.

Juan

2011/3/4 Mohammed Magdi moh_ma...@acm.org

 i write the conn part in server part and it run and failed to access the db
 and i tried the java code only and he can access the data base in java
 project not GWT ??!!

 magdi
 thanks

 On Fri, Mar 4, 2011 at 12:44 PM, Paul Robinson ukcue...@gmail.com wrote:

 You cannot access JDBC directly from the client (GWT) code. You can only
 do it in the server (regular java) code.


 On 04/03/11 08:59, Mohammed Magdi wrote:

 hi
 thanks for the link i do the conn but when i compile the project i get
 that erorr


 Compiling module com.test.dbc.TestDbC
Validating newly compiled units
   [ERROR] Errors in

 'file:/C:/Users/Magdi/Documents/MYWORK/WorkSpace/testDbC/src/com/test/dbc/client/DataBaseConn.java'
  [ERROR] Line 7: No source code is available for type
 java.lang.ClassNotFoundException; did you forget to inherit a required
 module?
  [ERROR] Line 7: No source code is available for type
 java.sql.SQLException; did you forget to inherit a required module?
   [ERROR] Errors in

 'file:/C:/Users/Magdi/Documents/MYWORK/WorkSpace/testDbC/src/com/test/dbc/client/DataBaseConnAsync.java'
  [ERROR] Line 10: No source code is available for type
 java.lang.ClassNotFoundException; did you forget to inherit a required
 module?
  [ERROR] Line 10: No source code is available for type
 java.sql.SQLException; did you forget to inherit a required module?
Finding entry point classes
   [ERROR] Unable to find type 'com.test.dbc.client.TestDbC'
  [ERROR] Hint: Previous compiler errors may have made this
 type unavailable
  [ERROR] Hint: Check the inheritance chain from your module;
 it may not be inheriting a required module or a module may not be
 adding its source path entries properly


 thanks
 magdi

 On 3/3/11, Ben Impbenlee...@gmail.com  wrote:

 Server-side GWT is just plain old java.  I'd suggest reading up on the
 JDBC documentation.

 http://download.oracle.com/javase/6/docs/technotes/guides/jdbc/

 -Ben

 On Mar 3, 3:14 pm, Mohammed Magdimoh_ma...@acm.org  wrote:

 yes in Java

 thanks
 magdi

 On Thu, Mar 3, 2011 at 6:06 PM, Juan Pablo Gardella



 gardellajuanpa...@gmail.com  wrote:

 Is Java. You must implement layers to connect with a database.
 Juan
 2011/3/3 Mohammed Magdiacm.ma...@gmail.com

 hi
 i waht tow know how to connect database into GWT project
 thanks
 --
 You received this message because you are subscribed to the Google
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 To unsubscribe from this group, send email to
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 --
 Eng Mohammed Magdi Mohammed
 Third Year - CS dept

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 Third Year - CS dept

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Re: Database jdbc

2011-03-04 Thread Mohammed Magdi
hi
thanks for the link i do the conn but when i compile the project i get
that erorr


Compiling module com.test.dbc.TestDbC
   Validating newly compiled units
  [ERROR] Errors in
'file:/C:/Users/Magdi/Documents/MYWORK/WorkSpace/testDbC/src/com/test/dbc/client/DataBaseConn.java'
 [ERROR] Line 7: No source code is available for type
java.lang.ClassNotFoundException; did you forget to inherit a required
module?
 [ERROR] Line 7: No source code is available for type
java.sql.SQLException; did you forget to inherit a required module?
  [ERROR] Errors in
'file:/C:/Users/Magdi/Documents/MYWORK/WorkSpace/testDbC/src/com/test/dbc/client/DataBaseConnAsync.java'
 [ERROR] Line 10: No source code is available for type
java.lang.ClassNotFoundException; did you forget to inherit a required
module?
 [ERROR] Line 10: No source code is available for type
java.sql.SQLException; did you forget to inherit a required module?
   Finding entry point classes
  [ERROR] Unable to find type 'com.test.dbc.client.TestDbC'
 [ERROR] Hint: Previous compiler errors may have made this
type unavailable
 [ERROR] Hint: Check the inheritance chain from your module;
it may not be inheriting a required module or a module may not be
adding its source path entries properly


thanks
magdi

On 3/3/11, Ben Imp benlee...@gmail.com wrote:
 Server-side GWT is just plain old java.  I'd suggest reading up on the
 JDBC documentation.

 http://download.oracle.com/javase/6/docs/technotes/guides/jdbc/

 -Ben

 On Mar 3, 3:14 pm, Mohammed Magdi moh_ma...@acm.org wrote:
 yes in Java

 thanks
 magdi

 On Thu, Mar 3, 2011 at 6:06 PM, Juan Pablo Gardella 



 gardellajuanpa...@gmail.com wrote:
  Is Java. You must implement layers to connect with a database.

  Juan

  2011/3/3 Mohammed Magdi acm.ma...@gmail.com

  hi

  i waht tow know how to connect database into GWT project

  thanks

  --
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 Third Year - CS dept

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Third Year - CS dept

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Re: Database jdbc

2011-03-04 Thread Alex D.
GWT library supports a limited subset of JRE. Some classes and packages are 
not and will never be supported. Those two are probably not supported, check 
this link: http://www.gwtapps.com/doc/html/jre.html

And besides, when you're developing a client you wouldn't want to handle 
ClassNotFoundException, no? That makes no sense, this exception is probably 
thrown by the db connector implementation, you need to hide it. Same deal 
goes with the other exception. Try to have event-based exceptions (say, 
NotLoggedInException, InvalidInputException etc). 

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Re: Database jdbc

2011-03-04 Thread Paul Robinson

You cannot access JDBC directly from the client (GWT) code. You can only do it 
in the server (regular java) code.

On 04/03/11 08:59, Mohammed Magdi wrote:

hi
thanks for the link i do the conn but when i compile the project i get
that erorr


Compiling module com.test.dbc.TestDbC
Validating newly compiled units
   [ERROR] Errors in
'file:/C:/Users/Magdi/Documents/MYWORK/WorkSpace/testDbC/src/com/test/dbc/client/DataBaseConn.java'
  [ERROR] Line 7: No source code is available for type
java.lang.ClassNotFoundException; did you forget to inherit a required
module?
  [ERROR] Line 7: No source code is available for type
java.sql.SQLException; did you forget to inherit a required module?
   [ERROR] Errors in
'file:/C:/Users/Magdi/Documents/MYWORK/WorkSpace/testDbC/src/com/test/dbc/client/DataBaseConnAsync.java'
  [ERROR] Line 10: No source code is available for type
java.lang.ClassNotFoundException; did you forget to inherit a required
module?
  [ERROR] Line 10: No source code is available for type
java.sql.SQLException; did you forget to inherit a required module?
Finding entry point classes
   [ERROR] Unable to find type 'com.test.dbc.client.TestDbC'
  [ERROR] Hint: Previous compiler errors may have made this
type unavailable
  [ERROR] Hint: Check the inheritance chain from your module;
it may not be inheriting a required module or a module may not be
adding its source path entries properly


thanks
magdi

On 3/3/11, Ben Impbenlee...@gmail.com  wrote:

Server-side GWT is just plain old java.  I'd suggest reading up on the
JDBC documentation.

http://download.oracle.com/javase/6/docs/technotes/guides/jdbc/

-Ben

On Mar 3, 3:14 pm, Mohammed Magdimoh_ma...@acm.org  wrote:

yes in Java

thanks
magdi

On Thu, Mar 3, 2011 at 6:06 PM, Juan Pablo Gardella



gardellajuanpa...@gmail.com  wrote:

Is Java. You must implement layers to connect with a database.
Juan
2011/3/3 Mohammed Magdiacm.ma...@gmail.com

hi
i waht tow know how to connect database into GWT project
thanks
--
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Third Year - CS dept

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Re: Database jdbc

2011-03-04 Thread Mohammed Magdi
i write the conn part in server part and it run and failed to access the db
and i tried the java code only and he can access the data base in java
project not GWT ??!!

magdi
thanks

On Fri, Mar 4, 2011 at 12:44 PM, Paul Robinson ukcue...@gmail.com wrote:

 You cannot access JDBC directly from the client (GWT) code. You can only do
 it in the server (regular java) code.


 On 04/03/11 08:59, Mohammed Magdi wrote:

 hi
 thanks for the link i do the conn but when i compile the project i get
 that erorr


 Compiling module com.test.dbc.TestDbC
Validating newly compiled units
   [ERROR] Errors in

 'file:/C:/Users/Magdi/Documents/MYWORK/WorkSpace/testDbC/src/com/test/dbc/client/DataBaseConn.java'
  [ERROR] Line 7: No source code is available for type
 java.lang.ClassNotFoundException; did you forget to inherit a required
 module?
  [ERROR] Line 7: No source code is available for type
 java.sql.SQLException; did you forget to inherit a required module?
   [ERROR] Errors in

 'file:/C:/Users/Magdi/Documents/MYWORK/WorkSpace/testDbC/src/com/test/dbc/client/DataBaseConnAsync.java'
  [ERROR] Line 10: No source code is available for type
 java.lang.ClassNotFoundException; did you forget to inherit a required
 module?
  [ERROR] Line 10: No source code is available for type
 java.sql.SQLException; did you forget to inherit a required module?
Finding entry point classes
   [ERROR] Unable to find type 'com.test.dbc.client.TestDbC'
  [ERROR] Hint: Previous compiler errors may have made this
 type unavailable
  [ERROR] Hint: Check the inheritance chain from your module;
 it may not be inheriting a required module or a module may not be
 adding its source path entries properly


 thanks
 magdi

 On 3/3/11, Ben Impbenlee...@gmail.com  wrote:

 Server-side GWT is just plain old java.  I'd suggest reading up on the
 JDBC documentation.

 http://download.oracle.com/javase/6/docs/technotes/guides/jdbc/

 -Ben

 On Mar 3, 3:14 pm, Mohammed Magdimoh_ma...@acm.org  wrote:

 yes in Java

 thanks
 magdi

 On Thu, Mar 3, 2011 at 6:06 PM, Juan Pablo Gardella



 gardellajuanpa...@gmail.com  wrote:

 Is Java. You must implement layers to connect with a database.
 Juan
 2011/3/3 Mohammed Magdiacm.ma...@gmail.com

 hi
 i waht tow know how to connect database into GWT project
 thanks
 --
 You received this message because you are subscribed to the Google
 Groups
 Google Web Toolkit group.
 To post to this group, send email to
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 To unsubscribe from this group, send email to
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Re: Database jdbc

2011-03-04 Thread Jens
You receive these errors because you have defined one or more methods in 
your DataBaseConn service to throw a ClassNotFoundException and a 
SQLException. Because these service interfaces are in the client package, 
GWT tries to compile them into javascript. But the GWT compiler only 
supports java classes listed at 
http://code.google.com/intl/en-EN/webtoolkit/doc/latest/RefJreEmulation.html

You have to define your own exception, something like public class 
DatabaseException extends Throwable and use this exception instead of 
ClassNotFoundException and SQLException. So in your server implementation of 
your DataBaseConn service you have to catch these two exceptions and throw 
your DatabaseException with a meaningful exception message.

Well and just make sure your database jdbc jar is in war 
directory/WEB-INF/lib.

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Re: Database jdbc

2011-03-03 Thread Juan Pablo Gardella
Is Java. You must implement layers to connect with a database.

Juan

2011/3/3 Mohammed Magdi acm.ma...@gmail.com

 hi

 i waht tow know how to connect database into GWT project

 thanks

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Re: Database jdbc

2011-03-03 Thread Ben Imp
Server-side GWT is just plain old java.  I'd suggest reading up on the
JDBC documentation.

http://download.oracle.com/javase/6/docs/technotes/guides/jdbc/

-Ben

On Mar 3, 3:14 pm, Mohammed Magdi moh_ma...@acm.org wrote:
 yes in Java

 thanks
 magdi

 On Thu, Mar 3, 2011 at 6:06 PM, Juan Pablo Gardella 



 gardellajuanpa...@gmail.com wrote:
  Is Java. You must implement layers to connect with a database.

  Juan

  2011/3/3 Mohammed Magdi acm.ma...@gmail.com

  hi

  i waht tow know how to connect database into GWT project

  thanks

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 Third Year - CS dept

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