Google Groups no longer supports new Usenet posts or subscriptions. Historical content remains viewable.
Dismiss

Errors connecting to PostgreSQL from applets

3 views
Skip to first unread message

waweru

unread,
Jan 28, 2001, 7:42:26 AM1/28/01
to
Please help me

I am trying to connect to a PostgreSQL (ver. 7.02) database
running on a Redhat Linux server. The applet runs properly when
using "main args" but will not run on the Netscape browser on
the machine hosting the database and the webserver. Please see
the errors I get on the Java console

Java console trace:

Netscape Communications Corporation -- Java 1.1.5
Type '?' for options.
# Applet exception: class sampled could not be loaded
java.lang.ClassNotFoundException: sampled
at netscape.applet.AppletClassLoader.findClass
(AppletClassLoader.java:821)
at netscape.applet.AppletClassLoader.loadClass1
(AppletClassLoader.java:688)
* at netscape.applet.AppletClassLoader.loadClass
(AppletClassLoader.java:652)
at netscape.applet.AppletClassLoader.loadClass
(AppletClassLoader.java:629)
at netscape.applet.DerivedAppletFrame$LoadAppletEvent.dispatch
(DerivedAppletFrame.java:438)
at java.awt.EventDispatchThread$EventPump.dispatchEvents
(EventDispatchThread.java:81)
at java.awt.EventDispatchThread.run
(EventDispatchThread.java:135)
at
netscape.applet.DerivedAppletFrame$AppletEventDispatchThread.run
(DerivedAppletFrame.java:911)
After class loading
# Verifier error org/postgresql/jdbc2/ResultSet.getBlob(I)
Ljava/sql/Blob;: Cannot find class java/sql/Blob
java.lang.VerifyError: org/postgresql/jdbc2/ResultSet
at java.lang.ClassLoader.resolveClass(ClassLoader.java:269)
at java.lang.ClassLoader.loadClassInternal
(ClassLoader.java:349)
at org.postgresql.Connection.ExecSQL(Connection.java:426)
at org.postgresql.Connection.openConnection
(Connection.java:254)
at org.postgresql.Driver.connect(Driver.java:116)
at java.sql.DriverManager.getConnection(DriverManager.java:90)
at java.sql.DriverManager.getConnection(DriverManager.java:132)
at JDBCtest.init(JDBCtest.java:32)
* at netscape.applet.DerivedAppletFrame$InitAppletEvent.dispatch
(DerivedAppletFrame.java:553)
at java.awt.EventDispatchThread$EventPump.dispatchEvents
(EventDispatchThread.java:81)
at java.awt.EventDispatchThread.run
(EventDispatchThread.java:135)
at
netscape.applet.DerivedAppletFrame$AppletEventDispatchThread.run
(DerivedAppletFrame.java:911)
After class loading
java.lang.NoClassDefFoundError: org/postgresql/jdbc2/ResultSet
at java.lang.ClassLoader.resolveClass(ClassLoader.java:269)
at java.lang.ClassLoader.loadClassInternal
(ClassLoader.java:349)
at org.postgresql.Connection.ExecSQL(Connection.java:426)
at org.postgresql.Connection.openConnection
(Connection.java:254)
at org.postgresql.Driver.connect(Driver.java:116)
at java.sql.DriverManager.getConnection(DriverManager.java:90)
at java.sql.DriverManager.getConnection(DriverManager.java:132)
at JDBCtest.init(JDBCtest.java:32)
* at netscape.applet.DerivedAppletFrame$InitAppletEvent.dispatch
(DerivedAppletFrame.java:553)
at java.awt.EventDispatchThread$EventPump.dispatchEvents
(EventDispatchThread.java:81)
at java.awt.EventDispatchThread.run
(EventDispatchThread.java:135)
at
netscape.applet.DerivedAppletFrame$AppletEventDispatchThread.run
(DerivedAppletFrame.java:911)


0 new messages