This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
When i start the ActiveMQ, it gives me the same error message each 10 seconds:
INFO| Database D:\ActiveMQ 5.3.0\bin\..\data\kahadb\lock is locked... waiting 10 seconds for the database to be unlocked. Reason: java.io.IOException: File 'D:\ActiveMQ 5.3.0\bin\..\data\kahdb\lock' could not be locked.