java.util.ConcurrentModificationException
   at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
   at java.util.ArrayList$Itr.next(ArrayList.java:851)
   at de.foopara.phpcsmd.threads.QAThread.qarun(QAThread.java:114)
   at de.foopara.phpcsmd.threads.QAThread.run(QAThread.java:93)