java 1.4 endorsed standards 2003-04-16 - By Alex_Fuller@(protected)
According to several of the posts I've seen here, a generally accepted
method of overriding the version of xalan/xerces in JDK1.4 is to use the
-Xbootclasspath/p: jvm setting. However,
http://java.sun.com/j2se/1.4.1/docs/tooldocs/windows/java.html appears to
say that doing so may violate the JVM license agreement. An alternative
would be to use the endorsed standard override mechanism,
-Djava.endorsed.dirs=.... As a side issue, I would have thought that the
classes in rt.jar would have still loaded first since they're in the
bootclasspath, but they didn't seem to in our testing.
Anyway, we found one article that recommended not overriding APIs within
Sun's JVM because Sun was far more thorough with testing and would have a
very good idea of how the classes interact with the rest of the platform.
Does this argument hold water with the xerces/xalan APIs? I guess I'm just
curious what other developers are doing. Is it better to be conservative
and keep to whatever's been endorsed by Sun, or do the new features/better
performance/bug fixes necessitate using newer versions?
Thanks,
Alex
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