thanks. just to be clear -- my concern is not that the installer
requires java 5, but that, even when invoked with a java 5 jvm, the
installer seems to want to spawn it's own jvm, and when it does so, it
doesn't use the one which was used to invoke it in the first place, but
seems to default to the default one in the user's path, which, in my
case, was not the correct one.
jon
Perry, Steve wrote:
> Jon: I got the same error when attempting to install on my Windows (XP Pro) box. That made me recall the JDK 5 dependency that JAX 2.0 has, so I installed JDK 5 (1.5_0_05) and it worked great.
>
> -----Original Message-----
> From: jonathan gold [mailto:dev_at_samizdatdigital.org]
> Sent: Wed 10/5/2005 11:28 PM
> To: users_at_jaxb.dev.java.net
> Cc:
> Subject: does the RI installer invoke a jvm with "java"?
> i was getting the following from $JAVA_HOME/bin/java -jar
> JAXB_RI_20050622.jar on my powerbook with both jdk 1.5:
>
> Exception in thread "main" java.lang.UnsupportedClassVersionError:
> com/sun/tools/xjc/installer/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:123)
> 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)
>
> the java in /usr/bin/ is in fact 1.4.2_05 (standard apple port of
> hotspot), so this made sense. i confirmed the same on my linux machine
> -- the installer seemed to invoke /usr/bin/java, which doesn't work.
>
> not sure how the installer works, but if there's an exec of
> "/usr/bin/java", or if it allows the shell to pick the "best" java from
> the user's $PATH, i think that might be worth a look. maybe try to use
> $JAVA_HOME/bin/java first, if that variable is set?
>
> incidentally, i got the installer to run by creating a fake
> /usr/bin/java that symlinked to my $JAVA_HOME/bin/java, and then fixing
> the link after the installer ran. couldn't have done that if i didn't
> have sudo though...
>
> i tried a couple of queries on issue tracker, but everything came back
> with no results (i'm still a bit bewildered by those types of query
> forms:), so my apologies if this is a dup.
>
>
> jon
>
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