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problem with insert and select

 
Antony Amicone
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Hi i have 2 problem

when i do the select query
if i do SELECT * FROM Recipes, all is ok
if i do SELECT Recipes,timeToEat, all is ok
if i insert another column of my database, he took out an error

second problem
the insert doesnt run

Datab


TbEvent

 
Jeanne Boyarsky
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This is not a valid query in JDBC. Note that you really should use a PreparedStatement with "?" for the values. If you aren't, you need to add quotes around the string fields so the SQL is valid. One way to check for valid SQL is to run it at the database command line.

For your first problem with the select, what error message do you get?
 
Antony Amicone
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i did this but doesnt work, btw... bout the quotes, i putted them... can you please show me a good way to correct my code?


bout the select

i put a query
query = "SELECT Recipe,servings,timeToEat FROM Recipes"; and i have good result
if i put query = "SELECT Recipe,servings,timeToEat,ANOTHERFIELD FROM Recipes"; i have good result, but when i put my "level" field it has error
i changed fieldname, fieldtype, nothing...

java.sql.SQLException: [Microsoft][Driver ODBC Microsoft Access] Parametri insufficienti. Previsto 1.
at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6957)
at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7114)
at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(JdbcOdbc.java:3110)
at sun.jdbc.odbc.JdbcOdbcStatement.execute(JdbcOdbcStatement.java:338)
at sun.jdbc.odbc.JdbcOdbcStatement.executeQuery(JdbcOdbcStatement.java:253)
at desktopapplication1.Datab.<init>(Datab.java:27)
at desktopapplication1.TbEvent.actionPerformed(TbEvent.java:82)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
 
Rene Larsen
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Just to translate the error for the English reading people in here: "Parametri insufficienti. Previsto 1" = "Too few parameters. Expected 1"
 
Antony Amicone
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Rene Larsen wrote:Just to translate the error for the English reading people in here: "Parametri insufficienti. Previsto 1" = "Too few parameters. Expected 1"


loool i didnt noticed, thank you my wife is from san francisco so i read both languages naturally :P
are you italian?
 
Rene Larsen
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Antony Amicone wrote:loool i didnt noticed, thank you my wife is from san francisco so i read both languages naturally :P
are you italian?

No, I'm from Denmark - but I have some hidden talents
 
Rene Larsen
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Ok, back to your question...

This error occurs only with Microsoft Access when one of the column names specified in a select statement does not exist in the table being queried.

Are you sure that you have the level column in your Access DB - and that it is spelled correct??
 
Antony Amicone
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Rene Larsen wrote:Ok, back to your question...

This error occurs only with Microsoft Access when one of the column names specified in a select statement does not exist in the table being queried.

Are you sure that you have the level column in your Access DB - and that it is spelled correct??

yes i tried many time, i changed many names to that column
 
Antony Amicone
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helllp
 
Jeanne Boyarsky
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By quotes, I mean:

What error did you get when you tried this?

For your select problem, "level" is a reserved word in MS Access and cannot be the name of a column. Or worse, it can and will not work properly. See the list of reserved words and change that column name to something else.
 
Paul Clapham
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You haven't yet shown us what the SQL command is. You've shown us a Java statement which generates the command, but not the command itself.

Wouldn't you think that when you have an error message which says you have invalid SQL, the first thing to do would be to look at the SQL?
 
Antony Amicone
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yeah i got that level is a reserved word, so i changed the name of the column, but every name i use in that column, it show me that error

bout the error for the insert my sql code is the one made from that string.
INSERT INTO Recipes (Recipe,servings,timeToEat) VALUES (recipeName,servings,timeToEat);
this is the error i get, but i think that i made mistake in calling the query
at desktopapplication1.TbEvent.actionPerformed(TbEvent.java:67)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
 
Jan Cumps
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Doesn't your database expect:
?
 
Antony Amicone
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Jan Cumps wrote:Doesn't your database expect:
?


yes i did this, recipeName, servins and timeToEat, are the name of the variable containing the value for the database, and are the name of field of db too
 
Jeanne Boyarsky
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Antony Amicone wrote:yes i did this, recipeName, servins and timeToEat, are the name of the variable containing the value for the database, and are the name of field of db too

We understand that, but we need to see the *actual* SQL being passed. This is more similar to what Jan posted. You can still use variables to build the SQL, just do a System.out.println() after that to see what String is actually being passed. Also, there are still no quotes around the values in your example. These are needed.

For your select problem, please show the query and error you get when the keyword is not "level".
 
Antony Amicone
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java.lang.NullPointerException
VALORE: testsssss 5 4 15 Pasta Insert here your recipe
1
at desktopapplication1.TbEvent.actionPerformed(TbEvent.java:68)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
BUILD SUCCESSFUL (total time: 18 seconds)


So the first mistake is in the create statement



bout the select

java.sql.SQLException: [Microsoft][Driver ODBC Microsoft Access] Too few parameters. Expected 1.
at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6957)
at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7114)
at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(JdbcOdbc.java:3110)
at sun.jdbc.odbc.JdbcOdbcStatement.execute(JdbcOdbcStatement.java:338)
at sun.jdbc.odbc.JdbcOdbcStatement.executeQuery(JdbcOdbcStatement.java:253)
at desktopapplication1.Datab.<init>(Datab.java:27)
at desktopapplication1.TbEvent.actionPerformed(TbEvent.java:85)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
 
Antony Amicone
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INSERT INTO Recipes(Recipe,servings,timeToEat) VALUES (test,4,15)


this is the query that is made
 
Rene Larsen
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Antony Amicone wrote:INSERT INTO Recipes(Recipe,servings,timeToEat) VALUES (test,4,15)


this is the query that is made

And the DB data type of the 3 inserted values are??
 
Antony Amicone
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ok now it runs but i have an error yet

VALORE: enchilada 4 4 15 Pasta Insert here your recipe
INSERT INTO Recipes(ID,Recipe,servings,timeToEat,howTo) VALUES ('4','enchilada','4','15','Insert here your recipe')
java.sql.SQLException: No ResultSet was produced
at sun.jdbc.odbc.JdbcOdbcStatement.executeQuery(JdbcOdbcStatement.java:259)
at desktopapplication1.Datab.<init>(Datab.java:27)
at desktopapplication1.TbEvent.actionPerformed(TbEvent.java:73)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
BUILD SUCCESSFUL (total time: 15 seconds)
 
Jeanne Boyarsky
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What does the Datab class do? Note that it should call executeUpdate() and not return a result set since there is no query.
 
Antony Amicone
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i get this error


VALORE: test 5 4 15 Pasta Insert here your recipe
5
INSERT INTO Recipes(ID,Recipe,servings,timeToEat,howTo) VALUES ('6','test','4','15','Insert here your recipe')
java.sql.SQLException: General error
at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6986)
at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7114)
at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(JdbcOdbc.java:3110)
at sun.jdbc.odbc.JdbcOdbcStatement.execute(JdbcOdbcStatement.java:338)
at sun.jdbc.odbc.JdbcOdbcStatement.executeUpdate(JdbcOdbcStatement.java:288)
at desktopapplication1.Datab.<init>(Datab.java:27)
at desktopapplication1.TbEvent.actionPerformed(TbEvent.java:73)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
BUILD SUCCESSFUL (total time: 15 seconds)
 
Antony Amicone
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help please
 
Jeanne Boyarsky
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This is a problem. It calls both executeUpdate and executeQuery for an insert. I think you want to add an else here.
 
Antony Amicone
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Jeanne Boyarsky wrote:
This is a problem. It calls both executeUpdate and executeQuery for an insert. I think you want to add an else here.


corrected putting the execute in else
but always get this error

INSERT INTO Recipes(ID,Recipe,servings,timeToEat,howTo) VALUES ('6','test','4','15','Insert here your recipe')
java.sql.SQLException: General error
at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6986)
at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7114)
at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(JdbcOdbc.java:3110)
at sun.jdbc.odbc.JdbcOdbcStatement.execute(JdbcOdbcStatement.java:338)
at sun.jdbc.odbc.JdbcOdbcStatement.executeUpdate(JdbcOdbcStatement.java:288)
at desktopapplication1.Datab.<init>(Datab.java:27)
at desktopapplication1.TbEvent.actionPerformed(TbEvent.java:74)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
 
Sunil Tiwari
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a) The code should be modified a bit with else statement scope, as it will throw null pointer exception if run successfully



b) Regarding the General error we see, could you please let us know what are the data types of the fields in the table? It seems to be data type mismatch issue, still it needs more investigation.
 
Antony Amicone
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ID ( number )
Recipe ( text )
levela ( txt
timeToEat ( txt
Servings ( txt
howTo ( txt
Recipekind ( txt


btw HowTo should contain the path of a file on computer, you think is good to use text, or path?
 
Antony Amicone
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that was my database table, i corrected the code too, now the insert works but i get an error


20-lug-2010 12.14.46 org.jdesktop.application.SessionStorage restoreTree

AVVERTENZA: No saved state for javax.swing.JTable[jTable1,0,0,389x0,alignmentX=0.0,alignmentY=0.0,border=,flags=251658568,maximumSize=,minimumSize=,preferredSize=,autoCreateColumnsFromModel=true,autoResizeMode=AUTO_RESIZE_SUBSEQUENT_COLUMNS,cellSelectionEnabled=false,editingColumn=-1,editingRow=-1,gridColor=javax.swing.plaf.ColorUIResource[r=128,g=128,b=128],preferredViewportSize=java.awt.Dimension[width=450,height=400],rowHeight=16,rowMargin=1,rowSelectionAllowed=true,selectionBackground=javax.swing.plaf.ColorUIResource[r=51,g=153,b=255],selectionForeground=javax.swing.plaf.ColorUIResource[r=255,g=255,b=255],showHorizontalLines=true,showVerticalLines=true]
VALORE: Peanutbutter and banana 5 4 15 Pasta Insert here your recipe
6
INSERT INTO Recipes(ID,Recipe,Servings,timeToEat,howTo) VALUES ('7','Peanutbutter and banana','4','15','Insert here your recipe')
java.lang.NullPointerException
at desktopapplication1.Datab.getColumnCount(Datab.java:48)
at javax.swing.JTable.createDefaultColumnsFromModel(JTable.java:1261)
at javax.swing.JTable.tableChanged(JTable.java:4383)
at javax.swing.JTable.setModel(JTable.java:3685)
at desktopapplication1.TbEvent.actionPerformed(TbEvent.java:75)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
java.lang.NullPointerException
at desktopapplication1.Datab.getColumnCount(Datab.java:48)
at javax.swing.table.TableRowSorter$TableRowSorterModelWrapper.getColumnCount(TableRowSorter.java:244)
at javax.swing.DefaultRowSorter.updateUseToString(DefaultRowSorter.java:602)
at javax.swing.DefaultRowSorter.sort(DefaultRowSorter.java:556)
at javax.swing.DefaultRowSorter.allChanged(DefaultRowSorter.java:816)
at javax.swing.DefaultRowSorter.modelStructureChanged(DefaultRowSorter.java:826)
at javax.swing.JTable.tableChanged(JTable.java:4374)
at javax.swing.JTable.setModel(JTable.java:3685)
at desktopapplication1.TbEvent.actionPerformed(TbEvent.java:86)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
BUILD SUCCESSFUL (total time: 2 minutes 6 seconds)
 
Gaurav Sainii
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As you said the type of ID in database is as:-
ID ( number )


while you are trying to pass a string to this value from your jdbc as:-
INSERT INTO Recipes(ID,Recipe,Servings,timeToEat,howTo) VALUES ('7','Peanutbutter and banana','4','15','Insert here your recipe')


Remove quotes from ID='7' in insert statement so that your insert statement would look like this:-
INSERT INTO Recipes(ID,Recipe,Servings,timeToEat,howTo) VALUES (7,'Peanutbutter and banana','4','15','Insert here your recipe')
 
Antony Amicone
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tried but the same error...

VALORE: test 5 4 15 Pasta Insert here your recipe
9
INSERT INTO Recipes(ID,Recipe,Servings,timeToEat,howTo,Recipekind,picture,levela) VALUES (10,'test',4,15,'Insert here your recipe','Pasta','null',5)
java.sql.SQLException: General error
at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6986)
at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7114)
at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(JdbcOdbc.java:3110)
at sun.jdbc.odbc.JdbcOdbcStatement.execute(JdbcOdbcStatement.java:338)
at sun.jdbc.odbc.JdbcOdbcStatement.executeUpdate(JdbcOdbcStatement.java:288)
at desktopapplication1.Datab.<init>(Datab.java:27)
at desktopapplication1.TbEvent.actionPerformed(TbEvent.java:74)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
BUILD SUCCESSFUL (total time: 5 seconds)
 
Jeanne Boyarsky
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'null' - this is the string null
null - this is the value null

I think you want the later.
 
Antony Amicone
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yeah but is not that the error why it continue to give the error? it insert, but then it take this error
 
Antony Amicone
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INSERT INTO Recipes(ID,Recipe,Servings,timeToEat,howTo,Recipekind,picture,levela) VALUES (12,'faefaefaef',4,15,'Insert here your recipe','Pasta','null',5)
java.lang.NullPointerException
at desktopapplication1.Datab.getColumnCount(Datab.java:48)
at javax.swing.JTable.createDefaultColumnsFromModel(JTable.java:1261)
at javax.swing.JTable.tableChanged(JTable.java:4383)
at javax.swing.JTable.setModel(JTable.java:3685)
at desktopapplication1.TbEvent.actionPerformed(TbEvent.java:75)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
java.lang.NullPointerException
at desktopapplication1.Datab.getColumnCount(Datab.java:48)
at javax.swing.table.TableRowSorter$TableRowSorterModelWrapper.getColumnCount(TableRowSorter.java:244)
at javax.swing.DefaultRowSorter.updateUseToString(DefaultRowSorter.java:602)
at javax.swing.DefaultRowSorter.sort(DefaultRowSorter.java:556)
at javax.swing.DefaultRowSorter.allChanged(DefaultRowSorter.java:816)
at javax.swing.DefaultRowSorter.modelStructureChanged(DefaultRowSorter.java:826)
at javax.swing.JTable.tableChanged(JTable.java:4374)
at javax.swing.JTable.setModel(JTable.java:3685)
at desktopapplication1.TbEvent.actionPerformed(TbEvent.java:87)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
 
Jeanne Boyarsky
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What does you latest DataB class look like? It would make things easier for people helping you if you TellTheDetails. While you've shared that class twice, it had to have changed since the last one or you would be getting a different error.

The null pointer is on the result set metadata. Is it null? It should be since rs is null. You'll need to go through the entire DataB class and not call methods that operate on rs or rsmd for the update. Or better yet, create a DataBForUpdate class that doesn't have rs/rsmd in it at all.
 
Antony Amicone
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cant understand what you mean


this is the class
 
Antony Amicone
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help!!!

when i insert something, i got that nullpointerexception, but the insert works, how to fix?
 
Jeanne Boyarsky
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See PatienceIsAVirtue for why it can take up to 24 hours for a reply.

Back to your problem. Consider the following code:


The if statement doesn't protect fireTableStructureChanged. Which then calls your other methods that assume the result set and rsmd are set. Maybe fireTableStructureChanged() should be inside the else?
 
Sunil Tiwari
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That is what I fore-warned Antony!

I think, we are just resolving the errors rather than getting the code work straight(which totally depends on Antony's plan / thinking).
What exactly do you want to do Antony?
 
Antony Amicone
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i correct but now after the insert i want to show the table with new results, so i do a select *, but the code is not readed, i need to call another select with a button, to load it, is like the db needs time to update
 
Sunil Tiwari
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well, in that case,

Can you tell me, when your application starts up, does it loads up the data in the table on screen automatically or you need to press the Search button?
 
Antony Amicone
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after the button search
 
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