gwt-log is currently compiled with Java 1.5. See http://code.google.com/p/gwt-log/downloads/list, which contains a Java version column.
You may be able to recompile it with 1.4, but I'm not sure. You can start here: http://code.google.com/p/gwt-log/wiki/UsingSourceWithEclipse Fred On Mon, Feb 14, 2011 at 5:21 PM, razmaspaz <[email protected]> wrote: > I'm trying to run the remote logger in a JDK 1.4 App Server (WAS 6). > I get the following error: I'm used to seeing this when a class is > compiled in a newer version of the JDK than is supported. Is the > library compatible with JDK 1.4, and if so is there something I need > to do to get it to run the: > com.allen_sauer.gwt.log.server.ServerLogImplJDK14 implementation? > > java.lang.UnsupportedClassVersionError: (com/allen_sauer/gwt/log/ > server/RemoteLoggerServiceImpl) bad major version at offset=6 > at java.lang.ClassLoader.defineClassImpl(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:213) > at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java: > 147) > at > > com.ibm.ws.classloader.CompoundClassLoader._defineClass(CompoundClassLoader.java: > 518) > at > > com.ibm.ws.classloader.CompoundClassLoader.findClass(CompoundClassLoader.java: > 469) > at > > com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java: > 365) > at java.lang.ClassLoader.loadClass(ClassLoader.java:584) > at java.beans.Beans.instantiate(Beans.java:202) > at java.beans.Beans.instantiate(Beans.java:63) > at com.ibm.ws.webcontainer.servlet.ServletWrapper > $3.run(ServletWrapper.java:1903) > at > > com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java: > 118) > at > > com.ibm.ws.webcontainer.servlet.ServletWrapper.loadServlet(ServletWrapper.java: > 1898) > at > > com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java: > 616) > > -- > You received this message because you are subscribed to the Google Groups > "gwt-log" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/gwt-log?hl=en. > > -- Fred Sauer Developer Advocate Google Inc. 1600 Amphitheatre Parkway Mountain View, CA 94043 [email protected] -- You received this message because you are subscribed to the Google Groups "gwt-log" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/gwt-log?hl=en.
