Re: ClassDefNotFound error with xpath.evaluate...
<drakaan@gmail.com> wrote in message
news:1176298309.163159.38250@b75g2000hsg.googlegroups.com...
...okay...keeping in mind that I'm pretty new to Java, I have three
questions:
First, does "Sun JDK" mean the same thing as "Java SDK" (which is what
sun refers to on java.sun.com)?
More or less, yes. "Sun JDK" is to put emphasis on the fact that
BozoBits was recommending you use Sun's implementation of the JDK in
particular, as opposed to GNU's implementation. The term "Java SDK" loses
this emphasis, as Sun's JDK and Gnu's JDK are both Java SDKs.
Second, is javax.xml.* the sun equivalent of gnu.xml.* ?
Maybe. And more like the other way around. Sun invented Java, so
they're more or less the defacto standard around which all other Java
implementations are compared. GNU didn't like the fact that Java wasn't
open source, so they tried to make an open source alternative. Whether or
not they did a "good" job (in the sense that you can replace all
occurrences of gnu.xml.* with javax.xml.* and not uncover any bugs)
depends entirely on GNU.
Third, (and this may be more of a Linux question than a Java
question), since I haven't specified gnu.xml.xpath.* as an import, is
there some kind of translation going on behind the scenes to use gnu.*
in place of javax.* ?
I don't know. I'm not familiar with the GNU class path.
Looking at the packages and classes in the gcj jre library in Eclipse,
I see both javax packages and gnu packages and classes (including the
"not found" one...and this is in my default workspace runtime
library).
I'm downloading java_ee_sdk-5_02-linux.bin as I write this. I'll try
making that my default library and cross my fingers.
If you're not sure whether or not you need EE, you probably don't need
EE (EE stands for Enterprise Edition). It might make your life simpler to
get SE (Standard Edition) instead. Certainly, you don't need EE to do XML
manipulation. You'll need EE if you're working with Tomcat, JSP, servlets,
or other web-app/web-service type stuff.
- Oliver