mmogley,
Can you answer some more questions for me?
1. Installation Details.Please copy paste your installation details here from the menu MyEclipse > Installation Summary > Installation Details .
2.How many projects do you have in your workspace?
3.Does your xml file have XSD references?
4.Do you have the memory arguments set in the eclipse.ini file ?
5. Are you connected to a network?
Can you please try some steps for me?
1.Please try cleaning your workspace with -clean command arg. Here is how it can be done :
https://www.genuitec.com/forums/topic/troubleshoot-using-the-clean-command-line-argument/
2. Switch to a new workspace import your file and check.
3. If you are connected to a network, disconnect from it and check.
Let us know how it works for you.