# Why there are always a couple of exceptions on the master instance in the beginning of starting elasticsearch

**URL:** <https://discuss.elastic.co/t/why-there-are-always-a-couple-of-exceptions-on-the-master-instance-in-the-beginning-of-starting-elasticsearch/119146>\
**Category:** Elasticsearch\
**Created:** [February 9, 2018, 1:29am UTC](https://discuss.elastic.co/t/why-there-are-always-a-couple-of-exceptions-on-the-master-instance-in-the-beginning-of-starting-elasticsearch/119146 "2018-02-09T01:29:18Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![ahrtr](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ahrtr/32/29551_2.png) [@ahrtr](https://discuss.elastic.co/u/ahrtr)\
**Post date:** [February 9, 2018, 1:29am UTC](https://discuss.elastic.co/t/why-there-are-always-a-couple-of-exceptions-on-the-master-instance-in-the-beginning-of-starting-elasticsearch/119146/1 "2018-02-09T01:29:19Z")

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I setup a elasticsearch cluster with 3 instances(nodes), it works well so far. But each time when I starting the cluster, I can always see a couple of exceptions in the master elasticsearch instance, although the cluster status changes from YELLOW to GREEN later.

> [2018-02-08T07:28:17,529][ERROR][o.e.x.m.c.i.IndexStatsCollector] [elasticsearch-0-default] collector [index-stats] failed to collect data  
> org.elasticsearch.cluster.block.ClusterBlockException: blocked by: [SERVICE\_UNAVAILABLE/1/state not recovered / initialized];  
> at org.elasticsearch.cluster.block.ClusterBlocks.globalBlockedException(ClusterBlocks.java:165) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.admin.indices.stats.TransportIndicesStatsAction.checkGlobalBlock(TransportIndicesStatsAction.java:68) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.admin.indices.stats.TransportIndicesStatsAction.checkGlobalBlock(TransportIndicesStatsAction.java:45) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction$AsyncAction.(TransportBroadcastByNodeAction.java:256) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction.doExecute(TransportBroadcastByNodeAction.java:234) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction.doExecute(TransportBroadcastByNodeAction.java:79) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:167) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.lambda$apply$0(SecurityActionFilter.java:103) ~[?:?]  
> at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:60) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.lambda$authorizeRequest$4(SecurityActionFilter.java:188) ~[?:?]  
> at org.elasticsearch.xpack.security.authz.AuthorizationUtils$AsyncAuthorizer.maybeRun(AuthorizationUtils.java:182) ~[?:?]  
> at org.elasticsearch.xpack.security.authz.AuthorizationUtils$AsyncAuthorizer.setRunAsRoles(AuthorizationUtils.java:176) ~[?:?]  
> at org.elasticsearch.xpack.security.authz.AuthorizationUtils$AsyncAuthorizer.authorize(AuthorizationUtils.java:158) ~[?:?]  
> at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.authorizeRequest(SecurityActionFilter.java:190) ~[?:?]  
> at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.lambda$applyInternal$3(SecurityActionFilter.java:166) ~[?:?]  
> at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:60) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$writeAuthToContext$23(AuthenticationService.java:453) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.writeAuthToContext(AuthenticationService.java:462) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$handleNullToken$16(AuthenticationService.java:355) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.handleNullToken(AuthenticationService.java:362) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.consumeToken(AuthenticationService.java:277) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$extractToken$7(AuthenticationService.java:249) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.extractToken(AuthenticationService.java:266) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$null$0(AuthenticationService.java:201) ~[?:?]  
> at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:60) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.xpack.security.authc.TokenService.getAndValidateToken(TokenService.java:239) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$authenticateAsync$2(AuthenticationService.java:197) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$lookForExistingAuthentication$4(AuthenticationService.java:228) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lookForExistingAuthentication(AuthenticationService.java:239) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.authenticateAsync(AuthenticationService.java:193) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.access$000(AuthenticationService.java:147) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService.authenticate(AuthenticationService.java:116) ~[?:?]  
> at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.applyInternal(SecurityActionFilter.java:165) ~[?:?]  
> at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.apply(SecurityActionFilter.java:124) ~[?:?]  
> at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:165) ~[elasticsearch-6.1.3.jar:6.1.3]  
> ......

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<div class="post-metadata">

**Author:** ![ahrtr](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ahrtr/32/29551_2.png) [@ahrtr](https://discuss.elastic.co/u/ahrtr)\
**Post date:** [February 9, 2018, 1:29am UTC](https://discuss.elastic.co/t/why-there-are-always-a-couple-of-exceptions-on-the-master-instance-in-the-beginning-of-starting-elasticsearch/119146/2 "2018-02-09T01:29:42Z")

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> [2018-02-08T07:28:17,589][ERROR][o.e.x.m.c.c.ClusterStatsCollector] [elasticsearch-0-default] collector [cluster\_stats] failed to collect data  
> java.lang.NullPointerException: null  
> at org.elasticsearch.xpack.monitoring.collector.cluster.ClusterStatsCollector.doCollect(ClusterStatsCollector.java:119) ~[x-pack-6.1.3.jar:6.1.3]  
> at org.elasticsearch.xpack.monitoring.collector.Collector.collect(Collector.java:100) [x-pack-6.1.3.jar:6.1.3]  
> at org.elasticsearch.xpack.monitoring.MonitoringService$MonitoringExecution$1.doRun(MonitoringService.java:222) [x-pack-6.1.3.jar:6.1.3]  
> at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-6.1.3.jar:6.1.3]  
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0\_161]  
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0\_161]  
> at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:568) [elasticsearch-6.1.3.jar:6.1.3]  
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0\_161]  
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0\_161]  
> at java.lang.Thread.run(Thread.java:748) [?:1.8.0\_161]

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<div class="post-metadata">

**Author:** ![ahrtr](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ahrtr/32/29551_2.png) [@ahrtr](https://discuss.elastic.co/u/ahrtr)\
**Post date:** [February 9, 2018, 1:30am UTC](https://discuss.elastic.co/t/why-there-are-always-a-couple-of-exceptions-on-the-master-instance-in-the-beginning-of-starting-elasticsearch/119146/3 "2018-02-09T01:30:40Z")

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> [2018-02-08T07:28:17,591][ERROR][o.e.x.m.c.i.IndexRecoveryCollector] [elasticsearch-0-default] collector [index\_recovery] failed to collect data  
> org.elasticsearch.cluster.block.ClusterBlockException: blocked by: [SERVICE\_UNAVAILABLE/1/state not recovered / initialized];  
> at org.elasticsearch.cluster.block.ClusterBlocks.globalBlockedException(ClusterBlocks.java:165) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.admin.indices.recovery.TransportRecoveryAction.checkGlobalBlock(TransportRecoveryAction.java:114) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.admin.indices.recovery.TransportRecoveryAction.checkGlobalBlock(TransportRecoveryAction.java:52) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction$AsyncAction.(TransportBroadcastByNodeAction.java:256) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction.doExecute(TransportBroadcastByNodeAction.java:234) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction.doExecute(TransportBroadcastByNodeAction.java:79) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:167) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.lambda$apply$0(SecurityActionFilter.java:103) ~[?:?]  
> at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:60) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.lambda$authorizeRequest$4(SecurityActionFilter.java:188) ~[?:?]  
> at org.elasticsearch.xpack.security.authz.AuthorizationUtils$AsyncAuthorizer.maybeRun(AuthorizationUtils.java:182) ~[?:?]  
> at org.elasticsearch.xpack.security.authz.AuthorizationUtils$AsyncAuthorizer.setRunAsRoles(AuthorizationUtils.java:176) ~[?:?]  
> at org.elasticsearch.xpack.security.authz.AuthorizationUtils$AsyncAuthorizer.authorize(AuthorizationUtils.java:158) ~[?:?]  
> at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.authorizeRequest(SecurityActionFilter.java:190) ~[?:?]  
> at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.lambda$applyInternal$3(SecurityActionFilter.java:166) ~[?:?]  
> at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:60) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$writeAuthToContext$23(AuthenticationService.java:453) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.writeAuthToContext(AuthenticationService.java:462) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$handleNullToken$16(AuthenticationService.java:355) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.handleNullToken(AuthenticationService.java:362) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.consumeToken(AuthenticationService.java:277) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$extractToken$7(AuthenticationService.java:249) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.extractToken(AuthenticationService.java:266) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$null$0(AuthenticationService.java:201) ~[?:?]  
> at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:60) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.xpack.security.authc.TokenService.getAndValidateToken(TokenService.java:239) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$authenticateAsync$2(AuthenticationService.java:197) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$lookForExistingAuthentication$4(AuthenticationService.java:228) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lookForExistingAuthentication(AuthenticationService.java:239) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.authenticateAsync(AuthenticationService.java:193) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.access$000(AuthenticationService.java:147) ~[?:?]  
> at org.elasticsearch.xpack.security.authc.AuthenticationService.authenticate(AuthenticationService.java:116) ~[?:?]  
> at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.applyInternal(SecurityActionFilter.java:165) ~[?:?]  
> at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.apply(SecurityActionFilter.java:124) ~[?:?]  
> at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:165) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:139) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:81) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.client.node.NodeClient.executeLocally(NodeClient.java:83) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.client.node.NodeClient.doExecute(NodeClient.java:72) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.client.support.AbstractClient.execute(AbstractClient.java:405) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.client.support.AbstractClient.execute(AbstractClient.java:394) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.client.support.AbstractClient$IndicesAdmin.execute(AbstractClient.java:1247) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.ActionRequestBuilder.execute(ActionRequestBuilder.java:46) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.action.ActionRequestBuilder.get(ActionRequestBuilder.java:60) ~[elasticsearch-6.1.3.jar:6.1.3]  
> at org.elasticsearch.xpack.monitoring.collector.indices.IndexRecoveryCollector.doCollect(IndexRecoveryCollector.java:88) ~[x-pack-6.1.3.jar:6.1.3]  
> ......

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<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [February 9, 2018, 1:34am UTC](https://discuss.elastic.co/t/why-there-are-always-a-couple-of-exceptions-on-the-master-instance-in-the-beginning-of-starting-elasticsearch/119146/4 "2018-02-09T01:34:17Z")

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Moving this to X-Pack, as they are Monitoring related 🙂

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<div class="post-metadata">

**Author:** ![ahrtr](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ahrtr/32/29551_2.png) [@ahrtr](https://discuss.elastic.co/u/ahrtr)\
**Post date:** [February 11, 2018, 6:46am UTC](https://discuss.elastic.co/t/why-there-are-always-a-couple-of-exceptions-on-the-master-instance-in-the-beginning-of-starting-elasticsearch/119146/5 "2018-02-11T06:46:16Z")

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Could anyone provide some comments on this issue?

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 11, 2018, 6:46am UTC](https://discuss.elastic.co/t/why-there-are-always-a-couple-of-exceptions-on-the-master-instance-in-the-beginning-of-starting-elasticsearch/119146/6 "2018-03-11T06:46:24Z")

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