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From "Benjamin M. Ohloff" <benjamin.ohl...@wwl.de>
Subject AW: jdbc, oracle, connection problem
Date Fri, 12 May 2000 08:07:10 GMT
Thanks to all!

It was the wrong driver classe from oracle. Now everything is working fine,
even the connection pooling with DBConnectionBroker.

Thanks for your hints.

Benjamin M. Ohloff

> Do you change your computing enviornment?
> It seems to me the JDBC driver is not working or not the correct
> version for your computing enviornment.
>
> Try the JDBC driver version for 8.1.5. In most case it works.
>
>
> Antony
>
> -----Original Message-----
> From:	Benjamin M. Ohloff [SMTP:benjamin.ohloff@wwl.de]
> Sent:	Wednesday, May 10, 2000 3:24 PM
> To:	tomcat-user@jakarta.apache.org
> Subject:	jdbc, oracle, connection problem
>
> Hi!
>
> I want to connect from a servlet to my oracle-db. in the old days (with
> apache and jserv) everything worked fine. now under tomcat i get
> after a few
> seconds an error message (see below). it is no problem with the driver i
> think (thin driver) and no username/passwort problem. the oracle listener
> listens on port 1521 and seems to work fine. is there any problem with
> tomcat and jdbc/oracle ??? does it work different from
> apache/jserv in case
> of connecting to a database???
>
> error: No more data to read from socket
>
> StackTrace: java.sql.SQLException: No more data to read from socket at
> oracle.jdbc.dbaccess.DBError.check_error(DBError.java) at
> oracle.jdbc.ttc7.MAREngine.unmarshalUB1(MAREngine.java) at
> oracle.jdbc.ttc7.MAREngine.unmarshalSB1(MAREngine.java) at
> oracle.jdbc.ttc7.Oclose.receive(Oclose.java) at
> oracle.jdbc.ttc7.TTC7Protocol.close(TTC7Protocol.java) at
> oracle.jdbc.driver.OracleStatement.close(OracleStatement.java) at
> oracle.jdbc.driver.OracleConnection.initUserName(OracleConnection.java) at
> oracle.jdbc.driver.OracleConnection.(OracleConnection.java) at
> oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver
> .java) at
> oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java) at
> java.sql.DriverManager.getConnection(DriverManager.java:83) at
> java.sql.DriverManager.getConnection(DriverManager.java:126) at
> test2.doGet(test2.java:41) at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:740) at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at
> org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper
> .java:503)
> at
> org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper
> .java:597)
> at
> org.apache.tomcat.servlets.InvokerServlet.service(InvokerServlet.java:257)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at
> org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper
> .java:503)
> at
> org.apache.tomcat.core.ContextManager.service(ContextManager.java:559) at
> org.apache.tomcat.service.connector.Ajp12ConnectionHandler.process
> Connection
> (Ajp12ConnectionHandler.java:156) at
> org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoin
> t.java:338
> ) at java.lang.Thread.run(Thread.java)
>
>
> Sincerly
> Benjamin M. Ohloff
>
> Benjamin M. Ohloff, M.A.    benjamin.ohloff@wwl.de
> Development wwl interactive
>
> WWL Internet GmbH
> Magdeburger Stra?e 13                http://wwl.de
> 4. Boden               Tel: ++49/ 40/ 303 793 9-17
> D-20457 Hamburg        Fax: ++49/ 40/ 303 793 9-11
> Germany                Mobile: +49/ 172/ 301 65 97
>
>
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