Nexus Repository Manager OSS 2.14.11-01

hi my health check fails for remote repo 

2019-03-28 16:24:27,022+0530 INFO [qtp475933366-59] admin com.sonatype.nexus.plugins.healthcheck.service.impl.HealthCheckTaskManagerImpl - Enabled health check for repository MYREPO
2019-03-28 16:24:31,970+0530 INFO [pxpool-1-thread-6] *TASK org.sonatype.nexus.configuration.application.DefaultNexusConfiguration - Applying Nexus Configuration due to changes in [Scheduled Tasks] made by *TASK...
2019-03-28 16:24:32,005+0530 INFO [pxpool-1-thread-6] *TASK com.sonatype.nexus.plugins.healthcheck.task.HealthCheckTask - Scheduled task (HealthCheckTask) started :: Health Check Management for Repository MYREPO
2019-03-28 16:24:36,375+0530 WARN [pxpool-1-thread-6] *TASK com.sonatype.nexus.plugins.healthcheck.task.HealthCheckTask - Scheduled task (HealthCheckTask) failed :: Health Check Management for Repository MYREPO(started 2019-03-28T16:24:32+05:30, runtime 0:00:04.370)
org.apache.http.conn.HttpHostConnectException: Connect to rhc.sonatype.com:443 [rhc.sonatype.com/23.21.12.144, rhc.sonatype.com/52.6.66.220, rhc.sonatype.com/34.200.179.124, rhc.sonatype.com/34.226.110.181] failed: Connection refused: connect
at org.apache.http.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:142)
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:319)
at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:363)
at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:219)
at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:195)
at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:86)
at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:108)
at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:106)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57)
at com.sonatype.nexus.plugins.healthcheck.service.impl.InsightServiceImpl.execute(InsightServiceImpl.java:250)
at com.sonatype.nexus.plugins.healthcheck.service.impl.InsightServiceImpl.doGet(InsightServiceImpl.java:204)
at com.sonatype.nexus.plugins.healthcheck.service.impl.InsightServiceImpl.getNextRunDeltas(InsightServiceImpl.java:81)
at com.sonatype.nexus.plugins.healthcheck.task.HealthCheckTask.doDeltaCheck(HealthCheckTask.java:375)
at com.sonatype.nexus.plugins.healthcheck.task.HealthCheckTask.doRunSafe(HealthCheckTask.java:174)
at com.sonatype.nexus.plugins.healthcheck.task.HealthCheckTask.doRun(HealthCheckTask.java:132)
at org.sonatype.nexus.scheduling.AbstractNexusTask.call(AbstractNexusTask.java:163)
at org.sonatype.scheduling.DefaultScheduledTask.call(DefaultScheduledTask.java:418)
at org.sonatype.nexus.threads.MDCAwareCallable.call(MDCAwareCallable.java:44)
at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at sun.security.ssl.SSLSocketImpl.connect(Unknown Source)
at org.sonatype.nexus.apachehttpclient.NexusSSLConnectionSocketFactory.connectSocket(NexusSSLConnectionSocketFactory.java:146)
at org.apache.http.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:125)
... 27 common frames omitted
2019-03-28 16:24:36,591+0530 WARN [pxpool-1-thread-6] *TASK org.sonatype.scheduling.DefaultScheduledTask - Exception in call method of scheduled task Health Check: MYREPO
org.apache.http.conn.HttpHostConnectException: Connect to rhc.sonatype.com:443 [rhc.sonatype.com/23.21.12.144, rhc.sonatype.com/52.6.66.220, rhc.sonatype.com/34.200.179.124, rhc.sonatype.com/34.226.110.181] failed: Connection refused: connect
at org.apache.http.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:142)
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:319)
at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:363)
at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:219)
at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:195)
at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:86)
at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:108)
at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:106)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57)
at com.sonatype.nexus.plugins.healthcheck.service.impl.InsightServiceImpl.execute(InsightServiceImpl.java:250)
at com.sonatype.nexus.plugins.healthcheck.service.impl.InsightServiceImpl.doGet(InsightServiceImpl.java:204)
at com.sonatype.nexus.plugins.healthcheck.service.impl.InsightServiceImpl.getNextRunDeltas(InsightServiceImpl.java:81)
at com.sonatype.nexus.plugins.healthcheck.task.HealthCheckTask.doDeltaCheck(HealthCheckTask.java:375)
at com.sonatype.nexus.plugins.healthcheck.task.HealthCheckTask.doRunSafe(HealthCheckTask.java:174)
at com.sonatype.nexus.plugins.healthcheck.task.HealthCheckTask.doRun(HealthCheckTask.java:132)
at org.sonatype.nexus.scheduling.AbstractNexusTask.call(AbstractNexusTask.java:163)
at org.sonatype.scheduling.DefaultScheduledTask.call(DefaultScheduledTask.java:418)
at org.sonatype.nexus.threads.MDCAwareCallable.call(MDCAwareCallable.java:44)
at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at sun.security.ssl.SSLSocketImpl.connect(Unknown Source)
at org.sonatype.nexus.apachehttpclient.NexusSSLConnectionSocketFactory.connectSocket(NexusSSLConnectionSocketFactory.java:146)
at org.apache.http.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:125)
... 27 common frames omitted