Exception in thread "pool-1-thread-1" java.lang.AbstractMethodError at dareka.processor.impl.RewriterProcessor.onRequest(RewriterProcessor.java:117) at dareka.ConnectionManager.useProcessor(ConnectionManager.java:147) at dareka.ConnectionManager.processAPairOfMessages(ConnectionManager.java:135) at dareka.ConnectionManager.run(ConnectionManager.java:42) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)