Results 1 to 3 of 3
  1. #1
    tascoa is offline Member
    Join Date
    Oct 2008
    Posts
    16
    Rep Power
    0

    Default Error creating JDBC connection in Eclipse

    Hello.

    I have problem with creating jdbc connection in Eclipse 3.1. This connection I want to use in J2EE application.

    message:
    Error creating JDBC Connection connection to xxx@oracle. (Error: Bad version number in .class file)

    exception:

    java.lang.UnsupportedClassVersionError: Bad version number in .class file
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(Unknown Source)
    at java.security.SecureClassLoader.defineClass(Unknow n Source)
    at java.net.URLClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.access$100(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.net.FactoryURLClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at org.eclipse.datatools.connectivity.drivers.jdbc.JD BCConnection.createConnection(JDBCConnection.java: 205)
    at org.eclipse.datatools.connectivity.DriverConnectio nBase.internalCreateConnection(DriverConnectionBas e.java:104)
    at org.eclipse.datatools.connectivity.DriverConnectio nBase.open(DriverConnectionBase.java:53)
    at org.eclipse.datatools.connectivity.drivers.jdbc.JD BCConnection.open(JDBCConnection.java:72)
    at org.eclipse.datatools.enablement.internal.oracle.J DBCOracleConnectionFactory.createConnection(JDBCOr acleConnectionFactory.java:27)
    at org.eclipse.datatools.connectivity.internal.Connec tionFactoryProvider.createConnection(ConnectionFac toryProvider.java:83)
    at org.eclipse.datatools.connectivity.internal.Connec tionProfile.createConnection(ConnectionProfile.jav a:355)
    at org.eclipse.datatools.connectivity.internal.Manage dConnection.createConnection(ManagedConnection.jav a:166)
    at org.eclipse.datatools.connectivity.internal.Create ConnectionJob.run(CreateConnectionJob.java:56)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.j ava:55)


    Does anyone help me with it?

    Thanks.

  2. #2
    r035198x is offline Senior Member
    Join Date
    Aug 2009
    Posts
    2,388
    Rep Power
    7

    Default

    Check that
    1.) Your database driver is compatible with the Java version you are using.
    2.) You are running the program with a java version compatible with the compiler version that generated the .class files

  3. #3
    tascoa is offline Member
    Join Date
    Oct 2008
    Posts
    16
    Rep Power
    0

    Default

    Thanks a lot. The problem is I used for connect ojdbc6.jar. I try a ojdbc5.jar and it is OK. Thanks a lot once more.

Similar Threads

  1. JDBC Connection...
    By onlysumitg in forum JDBC
    Replies: 3
    Last Post: 08-21-2009, 11:34 AM
  2. Help me this error in JDBC-ODBC connection
    By lordelf in forum Java Servlet
    Replies: 3
    Last Post: 04-04-2009, 08:37 AM
  3. Replies: 0
    Last Post: 04-01-2008, 10:17 AM
  4. JDBC connection
    By Java Tip in forum Java Tip
    Replies: 0
    Last Post: 11-10-2007, 07:39 PM
  5. Replies: 0
    Last Post: 09-28-2007, 12:56 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •