Do not print exception

java.nio.channels.ClosedByInterruptException
			at java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:202)
			at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:200)
			at com.enea.jcarder.common.contexts.ContextFileWriter.writeBuffer(ContextFileWriter.java:80)
			at com.enea.jcarder.common.contexts.ContextFileWriter.assureBufferCapacity(ContextFileWriter.java:117)
			at com.enea.jcarder.common.contexts.ContextFileWriter.writeString(ContextFileWriter.java:103)
			at com.enea.jcarder.common.contexts.ContextFileWriter.writeContext(ContextFileWriter.java:139)
			at com.enea.jcarder.agent.LockingContextIdCache.acquireContextId(LockingContextIdCache.java:80)
			at com.enea.jcarder.agent.EventListener.lockEvent(EventListener.java:198)
			at com.enea.jcarder.agent.EventListener.handleEvent(EventListener.java:110)
			at com.enea.jcarder.agent.StaticEventListener.handleEvent(StaticEventListener.java:81)