Hey everyone, thank you so much for your help through this. I think that I
have resolved my problem. I'll tell you how it happened. So this morning I
put a little extra debugging stuff into my Spider script, and realized that
there was one point in my script where I was checking to see if an Array object
was empty?, but sometimes this object wasn't returning as an Array, so I looked
up reflection in the Ruby Pragmatic Programmer manual and found out how to
determine the class of an object. I then implemented an if...end block that
checked whether my object was an array (if object.class == Array...) and found
out that I had about 200 null objects in my collection of arrays - that's a ton
- which I think I mentioned in my previous post. Well I went back through my
code and found out that I was making my collection too large. Here's where the
problem was - order of operations (they kill me sometimes):
collection = Array.new(otherCollection.length)
collection = otherCollection
collection.sort!
collection.uniq! # This is where my issue was, sort of
collection.each { ...
So the order of operations problem was in the order I was doing things in this
segment. Because I always knew that there were duplicates in my collection
object, I always purged that object, but what I should have done, and changed
to was this:
otherCollection.sort!
otherCollection.uniq!
collection = Array.new(otherCollection.length)
collection = otherCollection
collection.each { ...
Anyway, so I changed that around, and since then I haven't seen any problems -
IE doesn't close, my arrays don't throw a bunch of null pointer exceptions at
me, and my Spider actually completed its task. Coding problems are always the
most elusive. Order of operations is necessary to understand in almost every
coding situation. Even processors need to understand order of operations,
otherwise things would be crazy jumbled up!
Well thanks again for all of your help. I will call on you all again in the
future. Even though none of you had the right solution, you still all got me
thinking, and that's what I count on from other developers/testers!
Thanks,
Nathan
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