hello friends.i have a problem on applet.i didnt teach database exactly.my english is bad.called as so sory friends.i can take data from mysql via eclipse.but i cant take data from mysql via html(localhost:).thank you friends .
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hello friends.i have a problem on applet.i didnt teach database exactly.my english is bad.called as so sory friends.i can take data from mysql via eclipse.but i cant take data from mysql via html(localhost:).thank you friends .
Are there any error messages? Look in the browser's java console.
Copy and paste them here.
no.i didnt take any error mssages on eclipse. i cant see error messages on firefox
What messages are in the java console?
Do all the catch blocks in the code call the printStackTrace() method?
com.mysql.jdbc.JDBC4ResultSet@ad89ecinit(): messages in ECLİPSE
other hand my code :
Code:public void baglantiAc() throws Exception {
String query="select * from kullanici";
Class.forName("com.mysql.jdbc.Driver");
baglanti=DriverManager.getConnection("jdbc:mysql://localhost/egitim","root","123456");
Statement statement=baglanti.createStatement();
if (baglanti == null){
System.out.print("Bağlanti sağlanamadi");
}
ResultSet result=statement.executeQuery(query);
ResultSetMetaData meta=result.getMetaData();
for(int i=1;i<=meta.getColumnCount();i++)
System.out.printf( "%-8s\t", meta.getColumnName( i ) );
System.out.println();
while(result.next())
{
int k=1;
id=String.valueOf(result.getObject(k));
k++;
kullanici=String.valueOf(result.getObject(k));
k++;
pass=String.valueOf(result.getObject(k));
k++;
okul=String.valueOf(result.getObject(k));
k++;
yas=String.valueOf(result.getObject(k));
}
System.out.print(result);
}
If you do not get an error message, there is no way to know what the problem is.
Add a println("Applet started") to your code that you will see on the java console and know that the program is executing.
What messages are in the browser's java console?
hmm. so i get null value of a String data.
Do you understand your problem now?
so so.thank you :):) Thank you for your help...
hoş geldiniz
:) hoş bulduk
what are errors this:
Detected from bootclasspath: C:\\PROGRA~1\\Java\\jre7\\lib\\deploy.jar
java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
at sun.plugin2.applet.Applet2ClassLoader.findClass(Un known Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(U nknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Un known Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Un known Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at ayy.init(ayy.java:37)
at com.sun.deploy.uitoolkit.impl.awt.AWTAppletAdapter .init(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionR unnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
The Class.forName() method can not find the class it is trying to load.Quote:
java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
..
at java.lang.Class.forName(Unknown Source)
at ayy.init(ayy.java:37)
You need to find the jar file with this class: com.mysql.jdbc.Driver and put it on the classpath so the java program can find it.
There must be an error message. You are missing it somehow.
Read the whole thread before posting a response. The error message/trace is at #12.Quote:
Originally Posted by Alstair
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