The error message "class file has wrong version 48.0, should be 47.0" indicates that you're trying to run Java 1.4 code in a Java 1.3 JVM. I know you said your dev server is running JDK 1.4.2_17 but apparently that's not really the case.
I wasn't able to find an official list of class file version numbers from Sun, but here are a couple of 3rd-party references: http://www.rgagnon.com/javadetails/java-0544.html http://en.wikipedia.org/wiki/Class_(file_format) -- Len On Tue, Apr 8, 2008 at 6:35 PM, Eric B <[EMAIL PROTECTED]> wrote: > Hi, all. > > I've got a problem that may be with one of three different components, but > the error message is appearing in Tomcat, so I'm posting it here. :-) > > I've got two machines, one for Development, and one that acts as a > Development Server: > > Dev: > Windows XP Pro > Ant 1.6.5 > JDK 1.4.2_17 (Used for building application) > JDK 1.6.0_05 (Used for running Eclipse) > All environment variables set to use the 1.4.2 JDK > > Server: > Windows 2000 Pro > JDK 1.4.2_17 > Tomcat 4.1.30 (Runs as a service, using the "server" version of jvm.dll") > All environment variables set to use the 1.4.2 JDK > > I can build my project on the Dev machine with no problems, but when I ship > the .war over to the Server and attempt to run it, I get the following > error: > An error occurred at line: 24 in the jsp file: /ivr/dialogs/get_dnis.jsp > > Generated servlet error: > bad class file: C:\jdk142_17\jre\lib\rt.jar(java/lang/Object.class) > class file has wrong version 48.0, should be 47.0 > Please remove or make sure it appears in the correct subdirectory of > the classpath. > > Now, I've tried putting a target="1.4" entry into the <javac> tag in > my build file, but it's still happening. Is there something wrong > with my Tomcat setup, or am I just completely clueless with Ant? > > Thanks for the help! > Eric B > --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]