Hi Felix,
Thank you very much for your helpful answer. > The bundles use generics and I would even assume Java 5 API. So yes, > these bundles only work with 1.5 and newer. Oh, is that right... I got it. > The compiler setting is the parent pom of the http bundles inside > trunk/http. You might want to change the target setting to the largely > undocumented jsr14 setting, which generates Java 1.4 class files while > still supporting Java 5 syntax if at all possible. I could find it. Thanks! > Of course you still have the problems with used Java 5 API. > In addition, for the Jetty case: I am not sure whether the included > Jetty 6 runs on pre-Java 5 platforms. Thank you for the information. Anyway I will try. Best regards, Shigekuni Kondo On Thu, 3 Feb 2011 12:14:56 +0100 Felix Meschberger <[email protected]> wrote: > Hi, > > Am Donnerstag, den 03.02.2011, 11:09 +0000 schrieb Shigekuni Kondo: > > Dear Felix Experts, > > > > > > I would like to run Felix OSGi framework and bundles > > on JVM 1.4 or CDC FP1.1. > > > > However, following bundles cannot be started on JVM 1.4 > > because "java.lang.UnsupportedClassVersionError" is occurred. > > It seems that the bundles are compiled to be compatible with JAVA 5. > > > > Apache Felix Http Jetty (Version 2.0.4) > > Apache Felix Http Bundle (Version 2.0.4) > > Apache Felix Http Bridge (Version 2.0.4) > > Apache Felix Http Whiteboard (Version 2.0.4) > > > > ----- > > ERROR: Error starting file:./bundles/org.apache.felix.http.bundle-2.0.4.jar > > (org.osgi.framework.BundleException: Activator start error in bundle > > org.apache.felix.http.bundle [20].) > > java.lang.UnsupportedClassVersionError: > > org/apache/felix/http/bundle/internal/CombinedActivator (Unsupported > > major.minor version 49.0) > > ----- > > > > [Question] > > 1. Are the bundles implemented to be compatible with only > > JVM 1.5 or JVM 1.6? > > The bundles use generics and I would even assume Java 5 API. So yes, > these bundles only work with 1.5 and newer. > > > > > 2. If the answer of 1 is "NO", I will compile them to be > > compatible with JVM 1.4 on Maven. However, I cannot find > > the setting file for maven compiler plugin in felix trunk. > > (In fact, I don't know how to.) > > Could you please inform me the procedure? I use Maven 3.0.1. > > The compiler setting is the parent pom of the http bundles inside > trunk/http. You might want to change the target setting to the largely > undocumented jsr14 setting, which generates Java 1.4 class files while > still supporting Java 5 syntax if at all possible. > > Of course you still have the problems with used Java 5 API. > > In addition, for the Jetty case: I am not sure whether the included > Jetty 6 runs on pre-Java 5 platforms. > > Hope this helps ... and please report back if you have success. Thanks. > > Regards > Felix > > > > > > > Best regards, > > > > Shigekuni Kondo > > > > _____________________________________________ > > > > Shigekuni Kondo > > > > Promotion Project 1 > > NTT Cyber Solutions Laboratories > > NIPPON TELEGRAPH AND TELEPHONE CORPORATION > > > > 1-1 Hikarinooka Yokosuka > > Kanagawa 239-0847 Japan > > TEL:+81-46-859-3444 > > FAX:+81-46-855-1282 > > E-mail:[email protected] > > _____________________________________________ > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > _____________________________________________ Shigekuni Kondo Promotion Project 1 NTT Cyber Solutions Laboratories NIPPON TELEGRAPH AND TELEPHONE CORPORATION 1-1 Hikarinooka Yokosuka Kanagawa 239-0847 Japan TEL:+81-46-859-3444 FAX:+81-46-855-1282 E-mail:[email protected] _____________________________________________ --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
