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Re: tomcat and mysql
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Re: tomcat and mysql


  • Subject: Re: tomcat and mysql
  • From: Johan Henselmans <email@hidden>
  • Date: Sat, 29 Oct 2005 08:42:24 +0200


On Oct 28, 2005, at 5:29 PM, Jeremy Matthews wrote:

Anyone out there able to successfully hook up a database (MySQL would be nice) under Tomcat 5.5.x (maybe even 5.x.x) ?

If so, let me know how. The app works fine unless deployed under Tomcat, and then it logs this:

- Waiting for requests...
Saving new Course{values = {courseDescription = "lkj"; courseSemester = "lkj"; courseName = "lkj"; courseTeacher = "lkj"; courseDate = "lkj"; coursePeriod = "lkj"; teacherfid = <com.webobjects.foundation.NSKeyValueCoding$Null>; }; this = "<Courses 33d742 <EOTemporaryGlobalID: 0 0 10 0 1 2 0 0 -64 61 1 0 0 0 1 7 52 -83 -67 -49 -103 29 78 -69>>"; }
- An exception occurred while trying to open a channel: com.webobjects.jdbcadaptor.JDBCAdaptorException: Cannot create JDBC driver of class '' for connect URL 'null'

So, Tomcat won't play nice with MySQL. Anyone who knows how to get these kids together...well, let me know. Specific instructions would help, since Apache's and MySQL's don't seem to be working...


Any info here will be added to our Tomcat 5.5.12 distribution installer for mac...I'm sure others would appreciate it!

Download URL's:
http://www.versiontracker.com/dyn/moreinfo/macosx/27151
http://www.macupdate.com/info.php/id/18567
http://mac.softpedia.com/get/Development/Java/Tomcat-by-SW.shtml


Thanks, jeremy


I would suppose that the mysql jdbc connector is not installed. Somewhere in the tomcat path there should be a (`locate mysql | grep connector`) mysql-connector-java-3.1.10-bin.jar. If that is not available you get that kind of error messages.


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 >tomcat and mysql (From: Jeremy Matthews <email@hidden>)

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