Hi Keamas,

which version of Graylog are you using? What are the hardware specs of the 
machine(s) you're running Graylog and Elasticsearch on?
What kind of inputs are you talking about?

For Elasticsearch, 1 GB of heap memory is quite little and you should give 
it more memory (depending on how much memory that system has in total).


Cheers,
Jochen

On Friday, 8 July 2016 08:23:30 UTC+2, Keamas M wrote:
>
> Hey my Graylog just stoped processing messages from one input. But the 
> other Input is still working.
>
> Everything looks finde for me:
> I rebooted the Linux machine, Start Stop of the Input and so on. But 
> without success.
>
> root@ATLOG001:/var/log/graylog-server# top
> top - 08:14:49 up 16 min,  1 user,  load average: 2.69, 3.16, 2.63
> Tasks: 140 total,   1 running, 139 sleeping,   0 stopped,   0 zombie
> %Cpu(s): 59.8 us,  0.8 sy,  0.0 ni, 39.4 id,  0.0 wa,  0.0 hi,  0.0 si,  
> 0.0 st
> KiB Mem :  8175468 total,  5032380 free,  1899600 used,  1243488 buff/cache
> KiB Swap:  8386556 total,  8386556 free,        0 used.  6002424 avail Mem
>
>
> root@ATLOG001:/var/log/graylog-server# sudo service mongodb status
> ● mongodb.service - An object/document-oriented database
>    Loaded: loaded (/lib/systemd/system/mongodb.service; enabled; vendor 
> preset: enabled)
>    Active: active (running) since Fri 2016-07-08 07:58:27 CEST; 13min ago
>      Docs: man:mongod(1)
>  Main PID: 765 (mongod)
>     Tasks: 25
>    Memory: 88.0M
>       CPU: 3.748s
>    CGroup: /system.slice/mongodb.service
>            └─765 /usr/bin/mongod --config /etc/mongodb.conf
>
> Jul 08 07:58:27 ATLOG001 systemd[1]: Started An object/document-oriented 
> database.
> root@ATLOG001:/var/log/graylog-server#  sudo service elasticsearch status
> ● elasticsearch.service - Elasticsearch
>    Loaded: loaded (/usr/lib/systemd/system/elasticsearch.service; enabled; 
> vendor preset: enabled)
>    Active: active (running) since Fri 2016-07-08 07:58:30 CEST; 14min ago
>      Docs: http://www.elastic.co
>   Process: 994 
> ExecStartPre=/usr/share/elasticsearch/bin/elasticsearch-systemd-pre-exec 
> (code=exited, status=0/SUCCESS)
>  Main PID: 1011 (java)
>     Tasks: 50
>    Memory: 895.7M
>       CPU: 1min 45.260s
>    CGroup: /system.slice/elasticsearch.service
>            └─1011 /usr/bin/java -Xms256m -Xmx1g -Djava.awt.headless=true 
> -XX:+UseParNewGC -XX:+UseConcMarkSweepGC 
> -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly 
> -XX:+HeapD
>
> Jul 08 07:58:36 ATLOG001 elasticsearch[1011]: [2016-07-08 
> 07:58:36,790][INFO ][node                     ] [Jigsaw] initialized
> Jul 08 07:58:36 ATLOG001 elasticsearch[1011]: [2016-07-08 
> 07:58:36,791][INFO ][node                     ] [Jigsaw] starting ...
> Jul 08 07:58:36 ATLOG001 elasticsearch[1011]: [2016-07-08 
> 07:58:36,998][INFO ][transport                ] [Jigsaw] publish_address {
> 127.0.0.1:9300}, bound_addresses {[::1]:9300}, {127.0.0.1:9300}
> Jul 08 07:58:37 ATLOG001 elasticsearch[1011]: [2016-07-08 
> 07:58:37,003][INFO ][discovery                ] [Jigsaw] 
> graylog/aceP7uo1RTil41lYxtgDsA
> Jul 08 07:58:40 ATLOG001 elasticsearch[1011]: [2016-07-08 
> 07:58:40,067][INFO ][cluster.service          ] [Jigsaw] new_master 
> {Jigsaw}{aceP7uo1RTil41lYxtgDsA}{127.0.0.1}{127.0.0.1:9300}, reason: ze
> Jul 08 07:58:40 ATLOG001 elasticsearch[1011]: [2016-07-08 
> 07:58:40,114][INFO ][http                     ] [Jigsaw] publish_address {
> 127.0.0.1:9200}, bound_addresses {[::1]:9200}, {127.0.0.1:9200}
> Jul 08 07:58:40 ATLOG001 elasticsearch[1011]: [2016-07-08 
> 07:58:40,116][INFO ][node                     ] [Jigsaw] started
> Jul 08 07:58:40 ATLOG001 elasticsearch[1011]: [2016-07-08 
> 07:58:40,232][INFO ][gateway                  ] [Jigsaw] recovered [2] 
> indices into cluster_state
> Jul 08 07:58:42 ATLOG001 elasticsearch[1011]: [2016-07-08 
> 07:58:42,433][INFO ][cluster.routing.allocation] [Jigsaw] Cluster health 
> status changed from [RED] to [YELLOW] (reason: [shards started [[g
> Jul 08 07:58:48 ATLOG001 elasticsearch[1011]: [2016-07-08 
> 07:58:48,460][INFO ][cluster.service          ] [Jigsaw] added 
> {{graylog-e2b97d26-f84a-4a82-99ba-3bedfbb5b207}{FsfnwA3nRcuTXGNBY9mEdA}{127.
> lines 1-22/22 (END)
> root@ATLOG001:/var/log/graylog-server# sudo service graylog-server status
> ● graylog-server.service - Graylog server
>    Loaded: loaded (/usr/lib/systemd/system/graylog-server.service; 
> enabled; vendor preset: enabled)
>    Active: active (running) since Fri 2016-07-08 07:58:30 CEST; 14min ago
>      Docs: http://docs.graylog.org/
>  Main PID: 996 (graylog-server)
>     Tasks: 183
>    Memory: 1.6G
>       CPU: 22min 46.246s
>    CGroup: /system.slice/graylog-server.service
>            ├─ 996 /bin/sh /usr/share/graylog-server/bin/graylog-server
>            └─1014 /usr/bin/java -Xms1g -Xmx1g -XX:NewRatio=1 -server 
> -XX:+ResizeTLAB -XX:+UseConcMarkSweepGC -XX:+CMSConcurrentMTEnabled 
> -XX:+CMSClassUnloadingEnabled -XX:+UseParNewGC -XX:-OmitStac
>
> Jul 08 07:58:30 ATLOG001 systemd[1]: Started Graylog server.
> lines 1-13/13 (END)
>
>
> I received the last messages at 07/08/2016 7:26
> I found this in the log:
> This happened now multiple times it seems if I delete the input and create 
> a new one it works againg.
> But why does this happen and how can I reactivate to get messages again 
> without deleting the Input.
>
> 2016-07-08T07:01:30.077+02:00 INFO  [DashboardsResource] Deleted dashboard 
> <577e30f817fd3004026bf6e6>. Reason: REST request.
> 2016-07-08T07:02:21.433+02:00 ERROR [SearchResource] Field histogram query 
> failed. Make sure that field [Content_Length] is a numeric type.
> 2016-07-08T07:11:18.753+02:00 WARN  [SearchResource] Unable to execute 
> search: all shards failed
> 2016-07-08T07:13:31.818+02:00 WARN  [SearchResource] Unable to execute 
> search: all shards failed
> 2016-07-08T07:13:43.116+02:00 WARN  [SearchResource] Unable to execute 
> search: all shards failed
> 2016-07-08T07:16:23.267+02:00 WARN  [SearchResource] Unable to execute 
> search: all shards failed
> 2016-07-08T07:17:07.044+02:00 WARN  [SearchResource] Unable to execute 
> search: all shards failed
> 2016-07-08T07:31:38.253+02:00 WARN  [SearchResource] Unable to execute 
> search: all shards failed
> 2016-07-08T07:32:02.112+02:00 WARN  [SearchResource] Unable to execute 
> search: all shards failed
> 2016-07-08T07:32:02.113+02:00 ERROR [AnyExceptionClassMapper] Unhandled 
> exception in REST resource
> java.lang.NullPointerException
>         at 
> org.apache.lucene.queryparser.classic.ParseException.initialise(ParseException.java:120)
>  
> ~[graylog.jar:?]
>         at 
> org.apache.lucene.queryparser.classic.ParseException.<init>(ParseException.java:34)
>  
> ~[graylog.jar:?]
>         at 
> org.apache.lucene.queryparser.classic.QueryParser.generateParseException(QueryParser.java:698)
>  
> ~[graylog.jar:?]
>         at 
> org.graylog2.rest.resources.search.SearchResource.createRequestExceptionForParseFailure(SearchResource.java:248)
>  
> ~[graylog.jar:?]
>         at 
> org.graylog2.rest.resources.search.RelativeSearchResource.searchRelative(RelativeSearchResource.java:107)
>  
> ~[graylog.jar:?]
>         at sun.reflect.GeneratedMethodAccessor214.invoke(Unknown Source) 
> ~[?:?]
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> ~[?:1.8.0_91]
>         at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_91]
>         at 
> org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:205)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:326) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors.process(Errors.java:315) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors.process(Errors.java:297) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors.process(Errors.java:267) 
> [graylog.jar:?]
>         at 
> org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
>  
> [graylog.jar:?]
>         at 
> org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305) 
> [graylog.jar:?]
>         at 
> org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
>  
> [graylog.jar:?]
>         at 
> org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.service(GrizzlyHttpContainer.java:384)
>  
> [graylog.jar:?]
>         at 
> org.glassfish.grizzly.http.server.HttpHandler$1.run(HttpHandler.java:224) 
> [graylog.jar:?]
>         at 
> com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
>  
> [graylog.jar:?]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  
> [?:1.8.0_91]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  
> [?:1.8.0_91]
>         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
> 2016-07-08T07:32:26.164+02:00 WARN  [SearchResource] Unable to execute 
> search: all shards failed
> 2016-07-08T07:32:26.164+02:00 ERROR [AnyExceptionClassMapper] Unhandled 
> exception in REST resource
> java.lang.NullPointerException
>         at 
> org.apache.lucene.queryparser.classic.ParseException.initialise(ParseException.java:120)
>  
> ~[graylog.jar:?]
>         at 
> org.apache.lucene.queryparser.classic.ParseException.<init>(ParseException.java:34)
>  
> ~[graylog.jar:?]
>         at 
> org.apache.lucene.queryparser.classic.QueryParser.generateParseException(QueryParser.java:698)
>  
> ~[graylog.jar:?]
>         at 
> org.graylog2.rest.resources.search.SearchResource.createRequestExceptionForParseFailure(SearchResource.java:248)
>  
> ~[graylog.jar:?]
>         at 
> org.graylog2.rest.resources.search.RelativeSearchResource.searchRelative(RelativeSearchResource.java:107)
>  
> ~[graylog.jar:?]
>         at sun.reflect.GeneratedMethodAccessor214.invoke(Unknown Source) 
> ~[?:?]
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> ~[?:1.8.0_91]
>         at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_91]
>         at 
> org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:205)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:326) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors.process(Errors.java:315) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors.process(Errors.java:297) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors.process(Errors.java:267) 
> [graylog.jar:?]
>         at 
> org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
>  
> [graylog.jar:?]
>         at 
> org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305) 
> [graylog.jar:?]
>         at 
> org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
>  
> [graylog.jar:?]
>         at 
> org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.service(GrizzlyHttpContainer.java:384)
>  
> [graylog.jar:?]
>         at 
> org.glassfish.grizzly.http.server.HttpHandler$1.run(HttpHandler.java:224) 
> [graylog.jar:?]
>         at 
> com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
>  
> [graylog.jar:?]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  
> [?:1.8.0_91]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  
> [?:1.8.0_91]
>         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
> 2016-07-08T07:32:44.937+02:00 WARN  [SearchResource] Unable to execute 
> search: all shards failed
> 2016-07-08T07:32:44.937+02:00 ERROR [AnyExceptionClassMapper] Unhandled 
> exception in REST resource
> java.lang.NullPointerException
>         at 
> org.apache.lucene.queryparser.classic.ParseException.initialise(ParseException.java:120)
>  
> ~[graylog.jar:?]
>         at 
> org.apache.lucene.queryparser.classic.ParseException.<init>(ParseException.java:34)
>  
> ~[graylog.jar:?]
>         at 
> org.apache.lucene.queryparser.classic.QueryParser.generateParseException(QueryParser.java:698)
>  
> ~[graylog.jar:?]
>         at 
> org.graylog2.rest.resources.search.SearchResource.createRequestExceptionForParseFailure(SearchResource.java:248)
>  
> ~[graylog.jar:?]
>         at 
> org.graylog2.rest.resources.search.RelativeSearchResource.searchRelative(RelativeSearchResource.java:107)
>  
> ~[graylog.jar:?]
>         at sun.reflect.GeneratedMethodAccessor214.invoke(Unknown Source) 
> ~[?:?]
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> ~[?:1.8.0_91]
>         at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_91]
>         at 
> org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:205)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
>  
> ~[graylog.jar:?]
>         at 
> org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:326) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors.process(Errors.java:315) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors.process(Errors.java:297) 
> [graylog.jar:?]
>         at org.glassfish.jersey.internal.Errors.process(Errors.java:267) 
> [graylog.jar:?]
>         at 
> org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
>  
> [graylog.jar:?]
>         at 
> org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305) 
> [graylog.jar:?]
>         at 
> org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
>  
> [graylog.jar:?]
>         at 
> org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.service(GrizzlyHttpContainer.java:384)
>  
> [graylog.jar:?]
>         at 
> org.glassfish.grizzly.http.server.HttpHandler$1.run(HttpHandler.java:224) 
> [graylog.jar:?]
>         at 
> com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
>  
> [graylog.jar:?]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  
> [?:1.8.0_91]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  
> [?:1.8.0_91]
>         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
> 2016-07-08T07:44:06.963+02:00 WARN  [connection] Got socket exception on 
> connection [connectionId{localValue:14, serverValue:12}] to 
> localhost:27017. All connections to localhost:27017 will be closed.
> 2016-07-08T07:44:06.975+02:00 INFO  [connection] Closed connection 
> [connectionId{localValue:14, serverValue:12}] to localhost:27017 because 
> there was a socket exception raised by this connection.
> 2016-07-08T07:44:06.975+02:00 ERROR [StreamRouter] Stream router engine 
> update failed!
> com.mongodb.MongoSocketReadException: Prematurely reached end of stream
>         at com.mongodb.connection.SocketStream.read(SocketStream.java:88) 
> ~[graylog.jar:?]
>         at 
> com.mongodb.connection.InternalStreamConnection.receiveResponseBuffers(InternalStreamConnection.java:491)
>  
> ~[graylog.jar:?]
>         at 
> com.mongodb.connection.InternalStreamConnection.receiveMessage(InternalStreamConnection.java:221)
>  
> ~[graylog.jar:?]
>         at 
> com.mongodb.connection.UsageTrackingInternalConnection.receiveMessage(UsageTrackingInternalConnection.java:102)
>  
> ~[graylog.jar:?]
>         at 
> com.mongodb.connection.DefaultConnectionPool$PooledConnection.receiveMessage(DefaultConnectionPool.java:435)
>  
> ~[graylog.jar:?]
>         at 
> com.mongodb.connection.QueryProtocol.execute(QueryProtocol.java:297) 
> ~[graylog.jar:?]
>         at 
> com.mongodb.connection.QueryProtocol.execute(QueryProtocol.java:54) 
> ~[graylog.jar:?]
>         at 
> com.mongodb.connection.DefaultServer$DefaultServerProtocolExecutor.execute(DefaultServer.java:159)
>  
> ~[graylog.jar:?]
>         at 
> com.mongodb.connection.DefaultServerConnection.executeProtocol(DefaultServerConnection.java:286)
>  
> ~[graylog.jar:?]
>         at 
> com.mongodb.connection.DefaultServerConnection.query(DefaultServerConnection.java:209)
>  
> ~[graylog.jar:?]
>         at 
> com.mongodb.operation.FindOperation$1.call(FindOperation.java:496) 
> ~[graylog.jar:?]
>         at 
> com.mongodb.operation.FindOperation$1.call(FindOperation.java:482) 
> ~[graylog.jar:?]
>         at 
> com.mongodb.operation.OperationHelper.withConnectionSource(OperationHelper.java:239)
>  
> ~[graylog.jar:?]
>         at 
> com.mongodb.operation.OperationHelper.withConnection(OperationHelper.java:212)
>  
> ~[graylog.jar:?]
>         at 
> com.mongodb.operation.FindOperation.execute(FindOperation.java:482) 
> ~[graylog.jar:?]
>         at 
> com.mongodb.operation.FindOperation.execute(FindOperation.java:79) 
> ~[graylog.jar:?]
>         at com.mongodb.Mongo.execute(Mongo.java:772) ~[graylog.jar:?]
>         at com.mongodb.Mongo$2.execute(Mongo.java:759) ~[graylog.jar:?]
>         at com.mongodb.DBCursor.initializeCursor(DBCursor.java:851) 
> ~[graylog.jar:?]
>         at com.mongodb.DBCursor.hasNext(DBCursor.java:152) ~[graylog.jar:?]
>         at 
> org.graylog2.database.PersistedServiceImpl.cursorToList(PersistedServiceImpl.java:124)
>  
> ~[graylog.jar:?]
>         at 
> org.graylog2.database.PersistedServiceImpl.query(PersistedServiceImpl.java:67)
>  
> ~[graylog.jar:?]
>         at 
> org.graylog2.database.PersistedServiceImpl.query(PersistedServiceImpl.java:71)
>  
> ~[graylog.jar:?]
>         at 
> org.graylog2.streams.StreamServiceImpl.loadAll(StreamServiceImpl.java:140) 
> ~[graylog.jar:?]
>         at 
> org.graylog2.streams.StreamServiceImpl.loadAllEnabled(StreamServiceImpl.java:121)
>  
> ~[graylog.jar:?]
>         at 
> org.graylog2.streams.StreamServiceImpl.loadAllEnabled(StreamServiceImpl.java:114)
>  
> ~[graylog.jar:?]
>         at 
> org.graylog2.streams.StreamRouter$StreamRouterEngineUpdater.getNewEngine(StreamRouter.java:112)
>  
> ~[graylog.jar:?]
>         at 
> org.graylog2.streams.StreamRouter$StreamRouterEngineUpdater.run(StreamRouter.java:97)
>  
> [graylog.jar:?]
>         at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [?:1.8.0_91]
>         at 
> java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) 
> [?:1.8.0_91]
>         at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
>  
> [?:1.8.0_91]
>         at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
>  
> [?:1.8.0_91]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  
> [?:1.8.0_91]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  
> [?:1.8.0_91]
>         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
> 2016-07-08T07:44:07.039+02:00 INFO  [Server] SIGNAL received. Shutting 
> down.
> 2016-07-08T07:44:07.040+02:00 INFO  [cluster] No server chosen by 
> WritableServerSelector from cluster description 
> ClusterDescription{type=UNKNOWN, connectionMode=SINGLE, 
> all=[ServerDescription{address=localhost:27017, type=UNKNOWN, 
> state=CONNECTING}]}. Waiting for 30000 ms before timing out
> 2016-07-08T07:44:07.133+02:00 INFO  [zen] 
> [graylog-e2b97d26-f84a-4a82-99ba-3bedfbb5b207] master_left 
> [{Wong}{ZKvMBV5mSVGlG2HFGYQsYw}{127.0.0.1}{127.0.0.1:9300}], reason 
> [transport disconnected]
> 2016-07-08T07:44:07.133+02:00 WARN  [zen] 
> [graylog-e2b97d26-f84a-4a82-99ba-3bedfbb5b207] master left (reason = 
> transport disconnected), current nodes: 
> {{graylog-e2b97d26-f84a-4a82-99ba-3bedfbb5b207}{Rbzi7_fvSDGN9EnLCdB0Eg}{127.0.0.1}{127.0.0.1:9350}{client=true,
>  
> data=false, master=false},}
> 2016-07-08T07:44:07.134+02:00 INFO  [service] 
> [graylog-e2b97d26-f84a-4a82-99ba-3bedfbb5b207] removed 
> {{Wong}{ZKvMBV5mSVGlG2HFGYQsYw}{127.0.0.1}{127.0.0.1:9300},}, reason: 
> zen-disco-master_failed ({Wong}{ZKvMBV5mSVGlG2HFGYQsYw}{127.0.0.1}{
> 127.0.0.1:9300})
> 2016-07-08T07:44:07.134+02:00 WARN  [ClusterStateMonitor] No Elasticsearch 
> data nodes in cluster, cluster is completely offline.
> 2016-07-08T07:44:07.136+02:00 INFO  [cluster] No server chosen by 
> WritableServerSelector from cluster description 
> ClusterDescription{type=UNKNOWN, connectionMode=SINGLE, 
> all=[ServerDescription{address=localhost:27017, type=UNKNOWN, 
> state=CONNECTING}]}. Waiting for 30000 ms before timing out
> 2016-07-08T07:44:07.173+02:00 INFO  [cluster] No server chosen by 
> ReadPreferenceServerSelector{readPreference=primary} from cluster 
> description ClusterDescription{type=UNKNOWN, connectionMode=SINGLE, 
> all=[ServerDescription{address=localhost:27017, type=UNKNOWN, 
> state=CONNECTING}]}. Waiting for 30000 ms before timing out
> 2016-07-08T07:44:07.217+02:00 INFO  [cluster] No server chosen by 
> ReadPreferenceServerSelector{readPreference=primary} from cluster 
> description ClusterDescription{type=UNKNOWN, connectionMode=SINGLE, 
> all=[ServerDescription{address=localhost:27017, type=UNKNOWN, 
> state=CONNECTING}]}. Waiting for 30000 ms before timing out
> 2016-07-08T07:44:07.217+02:00 INFO  [cluster] No server chosen by 
> ReadPreferenceServerSelector{readPreference=primary} from cluster 
> description ClusterDescription{type=UNKNOWN, connectionMode=SINGLE, 
> all=[ServerDescription{address=localhost:27017, type=UNKNOWN, 
> state=CONNECTING}]}. Waiting for 30000 ms before timing out
> 2016-07-08T07:44:07.197+02:00 INFO  [cluster] Exception in monitor thread 
> while connecting to server localhost:27017
> com.mongodb.MongoSocketOpenException: Exception opening socket
>         at com.mongodb.connection.SocketStream.open(SocketStream.java:63) 
> ~[graylog.jar:?]
>         at 
> com.mongodb.connection.InternalStreamConnection.open(InternalStreamConnection.java:114)
>  
> ~[graylog.jar:?]
>         at 
> com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:128)
>  
> [graylog.jar:?]
>         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
> Caused by: java.net.ConnectException: Connection refused
>         at java.net.PlainSocketImpl.socketConnect(Native Method) 
> ~[?:1.8.0_91]
>         at 
> java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) 
> ~[?:1.8.0_91]
>         at 
> java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
>  
> ~[?:1.8.0_91]
>         at 
> java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) 
> ~[?:1.8.0_91]
>         at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) 
> ~[?:1.8.0_91]
>         at java.net.Socket.connect(Socket.java:589) ~[?:1.8.0_91]
>         at 
> com.mongodb.connection.SocketStreamHelper.initialize(SocketStreamHelper.java:50)
>  
> ~[graylog.jar:?]
>         at com.mongodb.connection.SocketStream.open(SocketStream.java:58) 
> ~[graylog.jar:?]
>         ... 3 more
>
>
>
>
>
>
>
>
>
>
>
>

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