jetty跟java的兼容

下了个jdk1.4.2_19和jetty7.2.2，一运行，然后报错：

 

 [Administrator] D:\jetty$ java -jar start.jar
Exception in thread "main" java.lang.UnsupportedClassVersionError: org/eclipse/j
etty/start/Main (Unsupported major.minor version 49.0)
        at java.lang.ClassLoader.defineClass0(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12
3)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)

 [Administrator] D:\jetty$

 

根据http://docs.codehaus.org/display/JETTY/Downloading+Jetty：

Version Java HTTP Servlet JSP Status Notes

Jetty-8 eclipse	1.6-	HTTP/1.1 RFC2616	3.0	2.2	Development	Standardized async
Jetty-7 eclipse	1.5-	HTTP/1.1 RFC2616	2.5	2.1	Stable	org.eclipse.jetty
Jetty-6.1	1.4-1.6	HTTP/1.1 RFC2616	2.5	2.1 or 2.0	Maintenance	Async SSL, AJP, cometd, testing
Jetty-6	1.4-1.5	HTTP/1.1 RFC2616	2.5	2.1 or 2.0	Deprecated	Continuations, IOC, NIO, dynamic buffers, smaller, faster, better
Jetty-5.1	1.2-1.5	HTTP/1.1 RFC2616	2.4	2.0	Deprecated	J2EE 1.4 Compliance tested, optimizations, geronimo integration.
Jetty-5.0	1.2-1.4	HTTP/1.1 RFC2616	2.4	2.0	Deprecated	Schema, JettyPlus
Jetty-4.2	1.2-1.4	HTTP/1.1 RFC2616	2.3+	1.2	Deprecated	JettyPlus
Jetty-4.1	1.2-1.4	HTTP/1.1 RFC2616	2.3	1.2	Deprecated	JAXP1.1, AJP13(mod_jk)
Jetty-4.0	1.2	HTTP/1.1 RFC2616	2.3	1.2	Deprecated
Jetty-3.1	1.2	HTTP/1.1 RFC2068	2.2	1.1	Ancient	JMX
Jetty-3.0	1.2	HTTP/1.1 RFC2068	2.2	1.1	Fossilized
Jetty-2.4	1.1	HTTP/1.0 RFC1945	2.1	1.0	Legendary
Jetty-1.0	1.0	HTTP/1.0 RFC1945	-	-	Mythical

 

jetty7至少需要jdk1.5。看来我还是下个jetty6.1.5玩玩的比较好。