13.03.2014 11:56:43.910 *ERROR* [Statistics write back] org.apache.jackrabbit.core.observation.ObservationDispatcher Synchronous EventConsumer threw exception. java.lang.OutOfMemoryError: unable to create new native thread
	at java.lang.Thread.start0(Native Method)
	at java.lang.Thread.start(Thread.java:713)
	at org.apache.lucene.index.ConcurrentMergeScheduler.merge(ConcurrentMergeScheduler.java:369)
	at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2740)
	at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2734)
	at org.apache.lucene.index.IndexWriter.flush(IndexWriter.java:3546)
	at org.apache.lucene.index.IndexWriter.closeInternal(IndexWriter.java:1852)
	at org.apache.lucene.index.IndexWriter.close(IndexWriter.java:1812)
	at org.apache.lucene.index.IndexWriter.close(IndexWriter.java:1776)
	at org.apache.jackrabbit.core.query.lucene.AbstractIndex.getIndexReader(AbstractIndex.java:249)
	at org.apache.jackrabbit.core.query.lucene.VolatileIndex.removeDocument(VolatileIndex.java:108)
	at org.apache.jackrabbit.core.query.lucene.MultiIndex$DeleteNode.execute(MultiIndex.java:2005)
	at org.apache.jackrabbit.core.query.lucene.MultiIndex.executeAndLog(MultiIndex.java:1131)
	at org.apache.jackrabbit.core.query.lucene.MultiIndex.update(MultiIndex.java:439)
	at org.apache.jackrabbit.core.query.lucene.SearchIndex.updateNodes(SearchIndex.java:676)
	at org.apache.jackrabbit.core.SearchManager.onEvent(SearchManager.java:408)
	at org.apache.jackrabbit.core.observation.EventConsumer.consumeEvents(EventConsumer.java:249)
	at org.apache.jackrabbit.core.observation.ObservationDispatcher.dispatchEvents(ObservationDispatcher.java:225)
	at org.apache.jackrabbit.core.observation.EventStateCollection.dispatch(EventStateCollection.java:475)
	at org.apache.jackrabbit.core.state.SharedItemStateManager$Update.end(SharedItemStateManager.java:856)
	at org.apache.jackrabbit.core.state.SharedItemStateManager.update(SharedItemStateManager.java:1537)
	at org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:400)
	at org.apache.jackrabbit.core.state.XAItemStateManager.update(XAItemStateManager.java:354)
	at org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:375)
	at org.apache.jackrabbit.core.state.SessionItemStateManager.update(SessionItemStateManager.java:275)
	at org.apache.jackrabbit.core.ItemSaveOperation.perform(ItemSaveOperation.java:258)
	at org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:216)
	at org.apache.jackrabbit.core.ItemImpl.perform(ItemImpl.java:91)
	at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:329)
	at org.apache.jackrabbit.core.session.SessionSaveOperation.perform(SessionSaveOperation.java:65)
	at org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:216)
	at org.apache.jackrabbit.core.SessionImpl.perform(SessionImpl.java:361)
	at org.apache.jackrabbit.core.SessionImpl.save(SessionImpl.java:812)
	at com.day.crx.core.CRXSessionImpl.save(CRXSessionImpl.java:142)
	at com.day.crx.statistics.Statistics.run(Statistics.java:202)
	at java.lang.Thread.run(Thread.java:744)
13.03.2014 11:56:43.921 *ERROR* [DynamicPooledExecutor] org.apache.sling.extensions.threaddump.internal.Activator Uncaught exception in Thread Thread[DynamicPooledExecutor,5,main] java.lang.OutOfMemoryError: unable to create new native thread
	at java.lang.Thread.start0(Native Method)
	at java.lang.Thread.start(Thread.java:713)
	at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
	at java.util.concurrent.ThreadPoolExecutor.processWorkerExit(ThreadPoolExecutor.java:1017)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1163)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)