Hi, I am using nuxeo 9.1 with the configuration of MongoDB and Postgres.I have configured 1 primary and 3 secondary replication server of MongoDB. While adding any permission on workspace I am getting below error.

earch.ElasticSearchFilter.doFilter(ElasticSearchFilter.java:55)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.nuxeo.ecm.webengine.jaxrs.session.SessionCleanupFilter.run(SessionCleanupFilter.java:50)
        at org.nuxeo.ecm.webengine.jaxrs.HttpFilter.doFilter(HttpFilter.java:49)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.nuxeo.ecm.webengine.app.WebEngineFilter$UnitOfWork.doFilter(WebEngineFilter.java:102)
        at org.nuxeo.ecm.webengine.app.WebEngineFilter$UnitOfWork.access$1(WebEngineFilter.java:98)
        at org.nuxeo.ecm.webengine.app.WebEngineFilter.doFilter(WebEngineFilter.java:76)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.nuxeo.ecm.webengine.jaxrs.context.RequestContextFilter.run(RequestContextFilter.java:48)
        at org.nuxeo.ecm.webengine.jaxrs.HttpFilter.doFilter(HttpFilter.java:49)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoThreadTrackerFilter.doFilter(NuxeoThreadTrackerFilter.java:43)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.nuxeo.ecm.core.management.jtajca.internal.Log4jWebFilter.doFilter(Log4jWebFilter.java:69)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.nuxeo.ecm.platform.ui.web.rest.FancyURLFilter.doFilter(FancyURLFilter.java:120)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoRequestControllerFilter.doFilter(NuxeoRequestControllerFilter.java:175)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.nuxeo.ecm.webdav.service.WIRequestFilter.doFilter(WIRequestFilter.java:61)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.nuxeo.ecm.platform.ui.web.auth.NuxeoAuthenticationFilter.doFilterInternal(NuxeoAuthenticationFilter.java:630)
        at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:51)
        at org.nuxeo.ecm.platform.ui.web.auth.oauth.NuxeoOAuthFilter.doFilter(NuxeoOAuthFilter.java:122)
        at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:49)
        at org.nuxeo.ecm.platform.ui.web.auth.oauth2.NuxeoOAuth2Filter.doFilter(NuxeoOAuth2Filter.java:83)
        at org.nuxeo.ecm.platform.ui.web.auth.service.NuxeoAuthFilterChain.doFilter(NuxeoAuthFilterChain.java:49)
        at org.nuxeo.ecm.platform.ui.web.auth.NuxeoAuthenticationFilter.doFilter(NuxeoAuthenticationFilter.java:419)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoCorsFilter.doFilter(NuxeoCorsFilter.java:51)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:67)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:75)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:748)
Caused by: org.nuxeo.ecm.automation.OperationException: Failed to invoke operation Document.AddPermission with aliases [Document.AddACL]
        at org.nuxeo.ecm.automation.core.impl.InvokableMethod.invoke(InvokableMethod.java:188)
        at org.nuxeo.ecm.automation.core.impl.OperationChainCompiler$OperationMethod.invoke(OperationChainCompiler.java:128)
        at org.nuxeo.ecm.automation.core.impl.OperationChainCompiler$CompiledChainImpl.invoke(OperationChainCompiler.java:196)
        at org.nuxeo.ecm.automation.core.impl.OperationServiceImpl.run(OperationServiceImpl.java:119)
        at org.nuxeo.ecm.automation.core.impl.OperationServiceImpl.run(OperationServiceImpl.java:107)
        at org.nuxeo.ecm.automation.server.jaxrs.OperationResource.execute(OperationResource.java:58)
        at org.nuxeo.ecm.automation.server.jaxrs.ExecutableResource.doPost(ExecutableResource.java:71)
        ... 93 more
Caused by: com.mongodb.MongoSocketReadException: Prematurely reached end of stream
        at com.mongodb.connection.SocketStream.read(SocketStream.java:88)
        at com.mongodb.connection.InternalStreamConnection.receiveResponseBuffers(InternalStreamConnection.java:492)
        at com.mongodb.connection.InternalStreamConnection.receiveMessage(InternalStreamConnection.java:222)
        at com.mongodb.connection.UsageTrackingInternalConnection.receiveMessage(UsageTrackingInternalConnection.java:105)
        at com.mongodb.connection.DefaultConnectionPool$PooledConnection.receiveMessage(DefaultConnectionPool.java:438)
        at com.mongodb.connection.CommandProtocol.execute(CommandProtocol.java:112)
        at com.mongodb.connection.DefaultServer$DefaultServerProtocolExecutor.execute(DefaultServer.java:168)
        at com.mongodb.connection.DefaultServerConnection.executeProtocol(DefaultServerConnection.java:289)
        at com.mongodb.connection.DefaultServerConnection.command(DefaultServerConnection.java:176)
        at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:216)
        at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:207)
        at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:113)
        at com.mongodb.operation.FindOperation$1.call(FindOperation.java:488)
        at com.mongodb.operation.FindOperation$1.call(FindOperation.java:483)
        at com.mongodb.operation.OperationHelper.withConnectionSource(OperationHelper.java:241)
        at com.mongodb.operation.OperationHelper.withConnection(OperationHelper.java:214)
        at com.mongodb.operation.FindOperation.execute(FindOperation.java:483)
        at com.mongodb.operation.FindOperation.execute(FindOperation.java:80)
        at com.mongodb.Mongo.execute(Mongo.java:818)
        at com.mongodb.Mongo$2.execute(Mongo.java:805)
        at com.mongodb.DBCollection.findOne(DBCollection.java:777)
        at com.mongodb.DBCollection.findOne(DBCollection.java:747)
        at com.mongodb.DBCollection.findOne(DBCollection.java:694)
        at org.nuxeo.ecm.core.storage.mongodb.MongoDBRepository.findOne(MongoDBRepository.java:532)
        at org.nuxeo.ecm.core.storage.mongodb.MongoDBRepository.readState(MongoDBRepository.java:363)
        at org.nuxeo.ecm.core.storage.dbs.DBSCachingRepository.readState(DBSCachingRepository.java:180)
        at org.nuxeo.ecm.core.storage.dbs.DBSTransactionState.getStateForUpdate(DBSTransactionState.java:160)
        at org.nuxeo.ecm.core.storage.dbs.DBSTransactionState.updateDocumentReadAcls(DBSTransactionState.java:421)
        at java.lang.Iterable.forEach(Iterable.java:75)
        at org.nuxeo.ecm.core.storage.dbs.DBSTransactionState.updateTreeReadAcls(DBSTransactionState.java:413)
        at org.nuxeo.ecm.core.storage.dbs.DBSSession.setACP(DBSSession.java:1250)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.nuxeo.ecm.core.storage.dbs.DBSRepositoryBase$DBSSessionInvoker.invoke(DBSRepositoryBase.java:487)
        at com.sun.proxy.$Proxy54.setACP(Unknown Source)
        at org.nuxeo.ecm.core.api.AbstractSession.setACP(AbstractSession.java:578)
        at org.nuxeo.ecm.core.api.AbstractSession.setACP(AbstractSession.java:566)
        at org.nuxeo.ecm.core.api.impl.DocumentModelImpl.setACP(DocumentModelImpl.java:760)
        at org.nuxeo.ecm.automation.core.operations.document.AddPermission.addPermission(AddPermission.java:147)
        at org.nuxeo.ecm.automation.core.operations.document.AddPermission.run(AddPermission.java:96)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.nuxeo.ecm.automation.core.impl.InvokableMethod.doInvoke(InvokableMethod.java:171)
        at org.nuxeo.ecm.automation.core.impl.InvokableMethod.invoke(InvokableMethod.java:176)
        ... 99 more
2018-02-09 15:27:14,439 ERROR [pool-2-thread-1] [com.novemberain.quartz.mongodb.cluster.CheckinTask] Node hydprdmsapp31518157199352 could not check-in: Timed
out after 30000 ms while waiting for a server that matches WritableServerSelector. Client view of cluster state is {type=REPLICA_SET, servers=[{address=hydprd
msdb1:27017, type=REPLICA_SET_SECONDARY, roundTripTime=0.6 ms, state=CONNECTED}, {address=hydprdmsdb2:27018, type=UNKNOWN, state=CONNECTING, exception={com.mo
ngodb.MongoSocketOpenException: Exception opening socket}, caused by {java.net.ConnectException: Connection refused (Connection refused)}}, {address=hydprdmsd
b3:27019, type=UNKNOWN, state=CONNECTING, exception={com.mongodb.MongoSocketOpenException: Exception opening socket}, caused by {java.net.ConnectException: Co
nnection refused (Connection refused)}}, {address=hydprdmsdb4:27020, type=REPLICA_SET_SECONDARY, roundTripTime=0.6 ms, state=CONNECTED}]
com.mongodb.MongoTimeoutException: Timed out after 30000 ms while waiting for a server that matches WritableServerSelector. Client view of cluster state is {t
ype=REPLICA_SET, servers=[{address=hydprdmsdb1:27017, type=REPLICA_SET_SECONDARY, roundTripTime=0.6 ms, state=CONNECTED}, {address=hydprdmsdb2:27018, type=UNK
NOWN, state=CONNECTING, exception={com.mongodb.MongoSocketOpenException: Exception opening socket}, caused by {java.net.ConnectException: Connection refused (
Connection refused)}}, {address=hydprdmsdb3:27019, type=UNKNOWN, state=CONNECTING, exception={com.mongodb.MongoSocketOpenException: Exception opening socket},
 caused by {java.net.ConnectException: Connection refused (Connection refused)}}, {address=hydprdmsdb4:27020, type=REPLICA_SET_SECONDARY, roundTripTime=0.6 ms
, state=CONNECTED}]
        at com.mongodb.connection.BaseCluster.createTimeoutException(BaseCluster.java:375)
        at com.mongodb.connection.BaseCluster.selectServer(BaseCluster.java:104)
        at com.mongodb.binding.ClusterBinding$ClusterBindingConnectionSource.<init>(ClusterBinding.java:75)
        at com.mongodb.binding.ClusterBinding$ClusterBindingConnectionSource.<init>(ClusterBinding.java:71)
        at com.mongodb.binding.ClusterBinding.getWriteConnectionSource(ClusterBinding.java:68)
        at com.mongodb.operation.OperationHelper.withConnection(OperationHelper.java:221)
        at com.mongodb.operation.MixedBulkWriteOperation.execute(MixedBulkWriteOperation.java:169)
        at com.mongodb.operation.MixedBulkWriteOperation.execute(MixedBulkWriteOperation.java:75)
        at com.mongodb.Mongo.execute(Mongo.java:827)
        at com.mongodb.Mongo$2.execute(Mongo.java:810)
        at com.mongodb.MongoCollectionImpl.executeSingleWriteRequest(MongoCollectionImpl.java:515)
        at com.mongodb.MongoCollectionImpl.update(MongoCollectionImpl.java:508)
        at com.mongodb.MongoCollectionImpl.updateOne(MongoCollectionImpl.java:355)
        at com.novemberain.quartz.mongodb.dao.SchedulerDao.checkIn(SchedulerDao.java:71)
        at com.novemberain.quartz.mongodb.cluster.CheckinTask.run(CheckinTask.java:46)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)