2019-11-24 13:45:08.736 ERROR 1 --- [EventNotifier-1] t.i.f.esl.inbound.inbound.Client         : Error caught notifying listener of event [EslEvent: name=[CHANNEL_HANGUP_COMPLETE] headers=2, eventHeaders=234, eventBody=0 lines.]

java.lang.IllegalStateException: state should be: open
    at com.mongodb.assertions.Assertions.isTrue(Assertions.java:70) ~[mongo-java-driver-3.8.2.jar!/:na]
    at com.mongodb.internal.connection.BaseCluster.getDescription(BaseCluster.java:164) ~[mongo-java-driver-3.8.2.jar!/:na]
    at com.mongodb.internal.connection.MultiServerCluster.getDescription(MultiServerCluster.java:54) ~[mongo-java-driver-3.8.2.jar!/:na]
    at com.mongodb.client.internal.MongoClientDelegate.getConnectedClusterDescription(MongoClientDelegate.java:136) ~[mongo-java-driver-3.8.2.jar!/:na]
    at com.mongodb.client.internal.MongoClientDelegate.createClientSession(MongoClientDelegate.java:94) ~[mongo-java-driver-3.8.2.jar!/:na]
    at com.mongodb.client.internal.MongoClientDelegate$DelegateOperationExecutor.getClientSession(MongoClientDelegate.java:249) ~[mongo-java-driver-3.8.2.jar!/:na]
    at com.mongodb.client.internal.MongoClientDelegate$DelegateOperationExecutor.execute(MongoClientDelegate.java:172) ~[mongo-java-driver-3.8.2.jar!/:na]
    at com.mongodb.client.internal.MongoIterableImpl.execute(MongoIterableImpl.java:132) ~[mongo-java-driver-3.8.2.jar!/:na]
    at com.mongodb.client.internal.MongoIterableImpl.iterator(MongoIterableImpl.java:86) ~[mongo-java-driver-3.8.2.jar!/:na]
    at org.springframework.data.mongodb.core.MongoTemplate.executeFindMultiInternal(MongoTemplate.java:2649) ~[spring-data-mongodb-2.1.3.RELEASE.jar!/:2.1.3.RELEASE]
    at org.springframework.data.mongodb.core.MongoTemplate.doFind(MongoTemplate.java:2409) ~[spring-data-mongodb-2.1.3.RELEASE.jar!/:2.1.3.RELEASE]
    at org.springframework.data.mongodb.core.ExecutableFindOperationSupport$ExecutableFindSupport.doFind(ExecutableFindOperationSupport.java:214) ~[spring-data-mongodb-2.1.3.RELEASE.jar!/:2.1.3.RELEASE]
    at org.springframework.data.mongodb.core.ExecutableFindOperationSupport$ExecutableFindSupport.oneValue(ExecutableFindOperationSupport.java:126) ~[spring-data-mongodb-2.1.3.RELEASE.jar!/:2.1.3.RELEASE]
    at org.springframework.data.mongodb.repository.query.AbstractMongoQuery.lambda$getExecution$4(AbstractMongoQuery.java:126) ~[spring-data-mongodb-2.1.3.RELEASE.jar!/:2.1.3.RELEASE]
    at org.springframework.data.mongodb.repository.query.AbstractMongoQuery.execute(AbstractMongoQuery.java:99) ~[spring-data-mongodb-2.1.3.RELEASE.jar!/:2.1.3.RELEASE]
    at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:605) ~[spring-data-commons-2.1.3.RELEASE.jar!/:2.1.3.RELEASE]
    at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.lambda$invoke$3(RepositoryFactorySupport.java:595) ~[spring-data-commons-2.1.3.RELEASE.jar!/:2.1.3.RELEASE]
    at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:595) ~[spring-data-commons-2.1.3.RELEASE.jar!/:2.1.3.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.3.RELEASE.jar!/:5.1.3.RELEASE]
    at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:59) ~[spring-data-commons-2.1.3.RELEASE.jar!/:2.1.3.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.3.RELEASE.jar!/:5.1.3.RELEASE]
    at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93) ~[spring-aop-5.1.3.RELEASE.jar!/:5.1.3.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.3.RELEASE.jar!/:5.1.3.RELEASE]
    at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:61) ~[spring-data-commons-2.1.3.RELEASE.jar!/:2.1.3.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.3.RELEASE.jar!/:5.1.3.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.1.3.RELEASE.jar!/:5.1.3.RELEASE]
    at com.sun.proxy.$Proxy71.findOneByCallUuid(Unknown Source) ~[na:na]
    at tech.ivoice.platform.sipsystem.service.impl.ChannelHangupCompleteEventListener.onEvent(ChannelHangupCompleteEventListener.java:33) ~[classes!/:0.0.9-SNAPSHOT]
    at tech.ivoice.platform.sipsystem.service.impl.FreeswitchManager.lambda$eventReceived$0(FreeswitchManager.java:56) ~[classes!/:0.0.9-SNAPSHOT]
    at java.util.ArrayList.forEach(ArrayList.java:1257) ~[na:1.8.0_192]
    at tech.ivoice.platform.sipsystem.service.impl.FreeswitchManager.eventReceived(FreeswitchManager.java:56) ~[classes!/:0.0.9-SNAPSHOT]
    at tech.ivoice.freeswitch.esl.inbound.inbound.Client$3$2.run(Client.java:452) ~[freeswitch-esl-inbound-client-0.0.9-SNAPSHOT.jar!/:na]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_192]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_192]
    at java.lang.Thread.run(Thread.java:748) [na:1.8.0_192]