The XWPFWordTextExtractor seems to handle the output of complex fields pretty well. The simple ones (fldSimple tag) are ommitted. The patch tries to include their content in the output.
Created attachment 25605 [details] a patch
Created attachment 25606 [details] a test case
Comment on attachment 25605 [details] a patch Enabled the "patch" checkbox on the poi-fldsimple.patch attachment.
Applied in r979538 Thanks, Yegor