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java.util.NoSuchElementException: 	at scala.collection.TraversableLike$$anonfun$2.apply(TraversableLike.scala:372)	at scala.collection.TraversableLike$$anonfun$2.apply(TraversableLike.scala:372)	at scala.collection.TraversableLike$class.head(TraversableLike.scala:379)	at org.neo4j.cypher.pipes.Pipe.head(Pipe.scala:31)	at org.neo4j.cypher.pipes.SlicePipe.foreach(SlicePipe.scala:30)	at org.neo4j.cypher.pipes.ColumnFilterPipe.foreach(ColumnFilterPipe.scala:35)	at scala.collection.TraversableLike$class.map(TraversableLike.scala:194)	at org.neo4j.cypher.pipes.Pipe.map(Pipe.scala:31)	at org.neo4j.cypher.ExecutionResult$class.javaIterator(ExecutionResult.scala:49)	at org.neo4j.cypher.pipes.ColumnFilterPipe.javaIterator(ColumnFilterPipe.scala:25)	at org.neo4j.cypher.javacompat.ExecutionResult.iterator(ExecutionResult.java:51)	at org.springframework.data.neo4j.conversion.QueryResultBuilder$1.iterator(QueryResultBuilder.java:112)	at org.neo4j.helpers.collection.IteratorUtil.addToCollection(IteratorUtil.java:339)	at org.springframework.data.neo4j.repository.query.GraphRepositoryQuery.createPage(GraphRepositoryQuery.java:107)	at org.springframework.data.neo4j.repository.query.GraphRepositoryQuery.dispatchQuery(GraphRepositoryQuery.java:88)	at org.springframework.data.neo4j.repository.query.GraphRepositoryQuery.execute(GraphRepositoryQuery.java:70)	at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:301)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:155)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)	at $Proxy50.findFriendsOfFriends(Unknown Source)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:196)	at $Proxy52.findFriendsOfFriends(Unknown Source)	at com.perfectworldprogramming.eventgate.user.UserDBTests.testFindFriendsOfFriends(UserDBTests.java:155)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231)	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174)	at org.junit.runner.JUnitCore.run(JUnitCore.java:157)	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:71)	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:202)	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:63)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)