Fixed a concurrency bug where a java.util.ConcurrentModificationException could be thrown every once in a while.  
Fixed a concurrency bug where a java.util.ConcurrentModificationException could be thrown every once in a while.
 

svn path=/trunk/eXist/; revision=11440

jensopetersen/exist,MjAbuz/exist,opax/exist,jensopetersen/exist,dizzzz/exist,wolfgangmm/exist,kohsah/exist,joewiz/exist,wshager/exist,shabanovd/exist,shabanovd/exist,shabanovd/exist,joewiz/exist,jessealama/exist,RemiKoutcherawy/exist,lcahlander/exist,windauer/exist,shabanovd/exist,wshager/exist,jensopetersen/exist,zwobit/exist,lcahlander/exist,lcahlander/exist,shabanovd/exist,ljo/exist,adamretter/exist,opax/exist,ambs/exist,olvidalo/exist,joewiz/exist,dizzzz/exist,ambs/exist,jessealama/exist,RemiKoutcherawy/exist,hungerburg/exist,patczar/exist,wolfgangmm/exist,dizzzz/exist,adamretter/exist,adamretter/exist,windauer/exist,ljo/exist,jessealama/exist,eXist-db/exist,windauer/exist,ljo/exist,lcahlander/exist,hungerburg/exist,windauer/exist,windauer/exist,wolfgangmm/exist,eXist-db/exist,lcahlander/exist,wshager/exist,jensopetersen/exist,RemiKoutcherawy/exist,wolfgangmm/exist,wshager/exist,joewiz/exist,wolfgangmm/exist,wshager/exist,wshager/exist,zwobit/exist,hungerburg/exist,opax/exist,wolfgangmm/exist,adamretter/exist,MjAbuz/exist,olvidalo/exist,kohsah/exist,opax/exist,ambs/exist,eXist-db/exist,patczar/exist,jensopetersen/exist,jessealama/exist,RemiKoutcherawy/exist,jessealama/exist,patczar/exist,MjAbuz/exist,kohsah/exist,patczar/exist,windauer/exist,MjAbuz/exist,adamretter/exist,jessealama/exist,adamretter/exist,ambs/exist,RemiKoutcherawy/exist,eXist-db/exist,dizzzz/exist,shabanovd/exist,olvidalo/exist,kohsah/exist,joewiz/exist,RemiKoutcherawy/exist,olvidalo/exist,opax/exist,zwobit/exist,zwobit/exist,patczar/exist,ljo/exist,eXist-db/exist,lcahlander/exist,ambs/exist,jensopetersen/exist,ljo/exist,ljo/exist,zwobit/exist,eXist-db/exist,ambs/exist,patczar/exist,kohsah/exist,dizzzz/exist,hungerburg/exist,MjAbuz/exist,dizzzz/exist,kohsah/exist,olvidalo/exist,joewiz/exist,zwobit/exist,MjAbuz/exist,hungerburg/exist