Hey Dennis,

Actually I only have one elasticsearch node. Everything is in a box. I can 
access the REST API and also I can see my data on Graylog web interface.
I don't get any errors when I start Graylog server (except those that I 
mentioned in my first post).

2016-05-03T00:23:30.147Z INFO  [CmdLineTool] Loaded plugins: [Anonymous 
Usage Statistics 2.0.0 
[org.graylog.plugins.usagestatistics.UsageStatsPlugin], Pipeline Processor 
Plugin 1.0.0-beta.2 [org.graylog.$
2016-05-03T00:23:30.226Z INFO  [CmdLineTool] Running with JVM arguments: 
-Xms1g -Xmx1g -XX:NewRatio=1 -XX:+ResizeTLAB -XX:+UseConcMarkSweepGC 
-XX:+CMSConcurrentMTEnabled -XX:+CMSClassUnloadingEnabled -XX$
2016-05-03T00:23:32.113Z INFO  [InputBufferImpl] Message journal is enabled.
2016-05-03T00:23:32.295Z INFO  [LogManager] Loading logs.
2016-05-03T00:23:32.381Z INFO  [LogManager] Logs loading complete.
2016-05-03T00:23:32.381Z INFO  [KafkaJournal] Initialized Kafka based 
journal at /var/lib/graylog-server/journal
2016-05-03T00:23:32.403Z INFO  [InputBufferImpl] Initialized 
InputBufferImpl with ring size <65536> and wait strategy 
<BlockingWaitStrategy>, running 2 parallel message handlers.
2016-05-03T00:23:32.430Z INFO  [cluster] Cluster created with settings 
{hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, 
serverSelectionTimeout='30000 ms', maxWaitQueueSize=5000}
2016-05-03T00:23:32.485Z INFO  [cluster] No server chosen by 
ReadPreferenceServerSelector{readPreference=primary} from cluster 
description ClusterDescription{type=UNKNOWN, connectionMode=SINGLE, 
all=[Ser$
2016-05-03T00:23:32.494Z INFO  [connection] Opened connection 
[connectionId{localValue:1, serverValue:40}] to localhost:27017
2016-05-03T00:23:32.495Z INFO  [cluster] Monitor thread successfully 
connected to server with description 
ServerDescription{address=localhost:27017, type=STANDALONE, 
state=CONNECTED, ok=true, version=Ser$
2016-05-03T00:23:32.510Z INFO  [connection] Opened connection 
[connectionId{localValue:2, serverValue:41}] to localhost:27017
2016-05-03T00:23:32.789Z INFO  [NodeId] Node ID: 
658f36aa-bca4-4596-80e5-837dabf0aa61
2016-05-03T00:23:32.897Z INFO  [node] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] version[2.3.1], pid[1167], 
build[bd98092/2016-04-04T12:25:05Z]
2016-05-03T00:23:32.897Z INFO  [node] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] initializing ...
2016-05-03T00:23:32.903Z INFO  [plugins] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] modules [], plugins 
[graylog-monitor], sites []
2016-05-03T00:23:34.321Z INFO  [node] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] initialized
2016-05-03T00:23:34.390Z INFO  [Version] HV000001: Hibernate Validator 
5.2.4.Final
2016-05-03T00:23:34.514Z INFO  [ProcessBuffer] Initialized ProcessBuffer 
with ring size <65536> and wait strategy <BlockingWaitStrategy>.
2016-05-03T00:23:36.150Z INFO  [RulesEngineProvider] No static rules file 
loaded.
2016-05-03T00:23:36.274Z WARN  [GeoIpResolverEngine] GeoIP database file 
does not exist: /tmp/GeoLite2-City.mmdb
2016-05-03T00:23:36.278Z INFO  [OutputBuffer] Initialized OutputBuffer with 
ring size <65536> and wait strategy <BlockingWaitStrategy>.
2016-05-03T00:23:30.147Z INFO  [CmdLineTool] Loaded plugins: [Anonymous 
Usage Statistics 2.0.0 
[org.graylog.plugins.usagestatistics.UsageStatsPlugin], Pipeline Processor 
Plugin 1.0.0-beta.2 [org.graylog.$
2016-05-03T00:23:30.226Z INFO  [CmdLineTool] Running with JVM arguments: 
-Xms1g -Xmx1g -XX:NewRatio=1 -XX:+ResizeTLAB -XX:+UseConcMarkSweepGC 
-XX:+CMSConcurrentMTEnabled -XX:+CMSClassUnloadingEnabled -XX$
2016-05-03T00:23:32.113Z INFO  [InputBufferImpl] Message journal is enabled.
2016-05-03T00:23:32.295Z INFO  [LogManager] Loading logs.
2016-05-03T00:23:32.381Z INFO  [LogManager] Logs loading complete.
2016-05-03T00:23:32.381Z INFO  [KafkaJournal] Initialized Kafka based 
journal at /var/lib/graylog-server/journal
2016-05-03T00:23:32.403Z INFO  [InputBufferImpl] Initialized 
InputBufferImpl with ring size <65536> and wait strategy 
<BlockingWaitStrategy>, running 2 parallel message handlers.
2016-05-03T00:23:32.430Z INFO  [cluster] Cluster created with settings 
{hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, 
serverSelectionTimeout='30000 ms', maxWaitQueueSize=5000}
2016-05-03T00:23:32.485Z INFO  [cluster] No server chosen by 
ReadPreferenceServerSelector{readPreference=primary} from cluster 
description ClusterDescription{type=UNKNOWN, connectionMode=SINGLE, 
all=[Ser$
2016-05-03T00:23:32.494Z INFO  [connection] Opened connection 
[connectionId{localValue:1, serverValue:40}] to localhost:27017
2016-05-03T00:23:32.495Z INFO  [cluster] Monitor thread successfully 
connected to server with description 
ServerDescription{address=localhost:27017, type=STANDALONE, 
state=CONNECTED, ok=true, version=Ser$
2016-05-03T00:23:32.510Z INFO  [connection] Opened connection 
[connectionId{localValue:2, serverValue:41}] to localhost:27017
2016-05-03T00:23:32.789Z INFO  [NodeId] Node ID: 
658f36aa-bca4-4596-80e5-837dabf0aa61
2016-05-03T00:23:32.897Z INFO  [node] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] version[2.3.1], pid[1167], 
build[bd98092/2016-04-04T12:25:05Z]
2016-05-03T00:23:32.897Z INFO  [node] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] initializing ...
2016-05-03T00:23:32.903Z INFO  [plugins] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] modules [], plugins 
[graylog-monitor], sites []
2016-05-03T00:23:34.321Z INFO  [node] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] initialized
2016-05-03T00:23:34.390Z INFO  [Version] HV000001: Hibernate Validator 
5.2.4.Final
2016-05-03T00:23:34.514Z INFO  [ProcessBuffer] Initialized ProcessBuffer 
with ring size <65536> and wait strategy <BlockingWaitStrategy>.
2016-05-03T00:23:36.150Z INFO  [RulesEngineProvider] No static rules file 
loaded.
2016-05-03T00:23:36.274Z WARN  [GeoIpResolverEngine] GeoIP database file 
does not exist: /tmp/GeoLite2-City.mmdb
2016-05-03T00:23:36.278Z INFO  [OutputBuffer] Initialized OutputBuffer with 
ring size <65536> and wait strategy <BlockingWaitStrategy>.
2016-05-03T00:23:36.828Z INFO  [ServerBootstrap] Graylog server 2.0.0 
(2dc6c03) starting up
2016-05-03T00:23:36.829Z INFO  [ServerBootstrap] JRE: Oracle Corporation 
1.8.0_65 on Linux 4.4.5-15.26.amzn1.x86_64
2016-05-03T00:23:36.829Z INFO  [ServerBootstrap] Deployment: rpm
2016-05-03T00:23:36.832Z WARN  [DeadEventLoggingListener] Received 
unhandled event of type <org.graylog2.plugin.lifecycles.Lifecycle> from 
event bus <AsyncEventBus{graylog-eventbus}>
2016-05-03T00:23:36.859Z INFO  [PeriodicalsService] Starting 24 periodicals 
...
2016-05-03T00:23:36.859Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.ThroughputCalculator] periodical in [0s], polling 
every [1s].
2016-05-03T00:23:36.861Z INFO  [node] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] starting ...
2016-05-03T00:23:36.862Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.AlertScannerThread] periodical in [10s], polling 
every [60s].
2016-05-03T00:23:36.863Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.BatchedElasticSearchOutputFlushThread] periodical 
in [0s], polling every [1s].
2016-05-03T00:23:36.863Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.ClusterHealthCheckThread] periodical in [0s], 
polling every [20s].
2016-05-03T00:23:36.864Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.ContentPackLoaderPeriodical] periodical, running 
forever.
2016-05-03T00:23:36.865Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.GarbageCollectionWarningThread] periodical, 
running forever.
2016-05-03T00:23:36.866Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.IndexerClusterCheckerThread] periodical in [0s], 
polling every [30s].
2016-05-03T00:23:36.870Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.IndexRetentionThread] periodical in [0s], polling 
every [300s].
2016-05-03T00:23:36.878Z INFO  [IndexRetentionThread] Elasticsearch cluster 
not available, skipping index retention checks.
2016-05-03T00:23:36.879Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.IndexRotationThread] periodical in [0s], polling 
every [10s].
2016-05-03T00:23:36.879Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.NodePingThread] periodical in [0s], polling every 
[1s].
2016-05-03T00:23:36.879Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.VersionCheckThread] periodical in [300s], polling 
every [1800s].
2016-05-03T00:23:36.879Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.ThrottleStateUpdaterThread] periodical in [1s], 
polling every [1s].
2016-05-03T00:23:36.880Z INFO  [Periodicals] Starting 
[org.graylog2.events.ClusterEventPeriodical] periodical in [0s], polling 
every [1s].
2016-05-03T00:23:36.880Z INFO  [Periodicals] Starting 
[org.graylog2.events.ClusterEventCleanupPeriodical] periodical in [0s], 
polling every [300s].
2016-05-03T00:23:36.881Z INFO  [connection] Opened connection 
[connectionId{localValue:3, serverValue:42}] to localhost:27017
2016-05-03T00:23:36.829Z INFO  [ServerBootstrap] Deployment: rpm
2016-05-03T00:23:36.832Z WARN  [DeadEventLoggingListener] Received 
unhandled event of type <org.graylog2.plugin.lifecycles.Lifecycle> from 
event bus <AsyncEventBus{graylog-eventbus}>
2016-05-03T00:23:36.859Z INFO  [PeriodicalsService] Starting 24 periodicals 
...
2016-05-03T00:23:36.859Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.ThroughputCalculator] periodical in [0s], polling 
every [1s].
2016-05-03T00:23:36.861Z INFO  [node] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] starting ...
2016-05-03T00:23:36.862Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.AlertScannerThread] periodical in [10s], polling 
every [60s].
2016-05-03T00:23:36.863Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.BatchedElasticSearchOutputFlushThread] periodical 
in [0s], polling every [1s].
2016-05-03T00:23:36.863Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.ClusterHealthCheckThread] periodical in [0s], 
polling every [20s].
2016-05-03T00:23:36.864Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.ContentPackLoaderPeriodical] periodical, running 
forever.
2016-05-03T00:23:36.865Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.GarbageCollectionWarningThread] periodical, 
running forever.
2016-05-03T00:23:36.866Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.IndexerClusterCheckerThread] periodical in [0s], 
polling every [30s].
2016-05-03T00:23:36.870Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.IndexRetentionThread] periodical in [0s], polling 
every [300s].
2016-05-03T00:23:36.878Z INFO  [IndexRetentionThread] Elasticsearch cluster 
not available, skipping index retention checks.
2016-05-03T00:23:36.879Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.IndexRotationThread] periodical in [0s], polling 
every [10s].
2016-05-03T00:23:36.879Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.NodePingThread] periodical in [0s], polling every 
[1s].
2016-05-03T00:23:36.879Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.VersionCheckThread] periodical in [300s], polling 
every [1800s].
2016-05-03T00:23:36.879Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.ThrottleStateUpdaterThread] periodical in [1s], 
polling every [1s].
2016-05-03T00:23:36.880Z INFO  [Periodicals] Starting 
[org.graylog2.events.ClusterEventPeriodical] periodical in [0s], polling 
every [1s].
2016-05-03T00:23:36.880Z INFO  [Periodicals] Starting 
[org.graylog2.events.ClusterEventCleanupPeriodical] periodical in [0s], 
polling every [300s].
2016-05-03T00:23:36.881Z INFO  [connection] Opened connection 
[connectionId{localValue:3, serverValue:42}] to localhost:27017
2016-05-03T00:23:36.881Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.ClusterIdGeneratorPeriodical] periodical, running 
forever.
2016-05-03T00:23:36.881Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.IndexRangesMigrationPeriodical] periodical, 
running forever.
2016-05-03T00:23:36.881Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.IndexRangesCleanupPeriodical] periodical in [15s], 
polling every [3600s].
2016-05-03T00:23:36.885Z INFO  [connection] Opened connection 
[connectionId{localValue:4, serverValue:43}] to localhost:27017
2016-05-03T00:23:36.895Z INFO  [connection] Opened connection 
[connectionId{localValue:5, serverValue:44}] to localhost:27017
2016-05-03T00:23:36.897Z INFO  [connection] Opened connection 
[connectionId{localValue:6, serverValue:45}] to localhost:27017
2016-05-03T00:23:36.920Z INFO  [IndexerClusterCheckerThread] Indexer not 
fully initialized yet. Skipping periodic cluster check.
2016-05-03T00:23:36.924Z INFO  [connection] Opened connection 
[connectionId{localValue:7, serverValue:46}] to localhost:27017
2016-05-03T00:23:36.958Z INFO  [PeriodicalsService] Not starting 
[org.graylog2.periodical.UserPermissionMigrationPeriodical] periodical. Not 
configured to run on this node.
2016-05-03T00:23:36.958Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.AlarmCallbacksMigrationPeriodical] periodical, 
running forever.
2016-05-03T00:23:36.962Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.ConfigurationManagementPeriodical] periodical, 
running forever.
2016-05-03T00:23:36.975Z INFO  [connection] Opened connection 
[connectionId{localValue:8, serverValue:47}] to localhost:27017
2016-05-03T00:23:36.976Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.LdapGroupMappingMigration] periodical, running 
forever.
2016-05-03T00:23:36.990Z INFO  [Periodicals] Starting 
[org.graylog.plugins.usagestatistics.UsageStatsNodePeriodical] periodical 
in [300s], polling every [21600s].
2016-05-03T00:23:36.995Z INFO  [Periodicals] Starting 
[org.graylog.plugins.usagestatistics.UsageStatsClusterPeriodical] 
periodical in [300s], polling every [21600s].
2016-05-03T00:23:36.995Z INFO  [Periodicals] Starting 
[org.graylog.plugins.collector.periodical.PurgeExpiredCollectorsThread] 
periodical in [0s], polling every [3600s].
2016-05-03T00:23:37.243Z INFO  [transport] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] publish_address 
{127.0.0.1:9350}, bound_addresses {[::1]:9350}, {127.0.0.1:9350}
2016-05-03T00:23:37.247Z INFO  [discovery] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] 
graylog/Nwc4NipXTLafbvhtvhEKMA
2016-05-03T00:23:37.312Z INFO  [AbstractJerseyService] Enabling CORS for 
HTTP endpoint
2016-05-03T00:23:39.906Z INFO  [NetworkListener] Started listener bound to 
[0.0.0.0:9000]
2016-05-03T00:23:39.908Z INFO  [HttpServer] [HttpServer] Started.
2016-05-03T00:23:39.910Z INFO  [WebInterfaceService] Started Web Interface 
at <http://0.0.0.0:9000/>
2016-05-03T00:23:40.256Z WARN  [discovery] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] waited for 3s and no initial 
state was set by the discovery
2016-05-03T00:23:40.256Z INFO  [node] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] started
2016-05-03T00:23:36.881Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.IndexRangesCleanupPeriodical] periodical in [15s], 
polling every [3600s].
2016-05-03T00:23:36.885Z INFO  [connection] Opened connection 
[connectionId{localValue:4, serverValue:43}] to localhost:27017
2016-05-03T00:23:36.895Z INFO  [connection] Opened connection 
[connectionId{localValue:5, serverValue:44}] to localhost:27017
2016-05-03T00:23:36.897Z INFO  [connection] Opened connection 
[connectionId{localValue:6, serverValue:45}] to localhost:27017
2016-05-03T00:23:36.920Z INFO  [IndexerClusterCheckerThread] Indexer not 
fully initialized yet. Skipping periodic cluster check.
2016-05-03T00:23:36.924Z INFO  [connection] Opened connection 
[connectionId{localValue:7, serverValue:46}] to localhost:27017
2016-05-03T00:23:36.958Z INFO  [PeriodicalsService] Not starting 
[org.graylog2.periodical.UserPermissionMigrationPeriodical] periodical. Not 
configured to run on this node.
2016-05-03T00:23:36.958Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.AlarmCallbacksMigrationPeriodical] periodical, 
running forever.
2016-05-03T00:23:36.962Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.ConfigurationManagementPeriodical] periodical, 
running forever.
2016-05-03T00:23:36.975Z INFO  [connection] Opened connection 
[connectionId{localValue:8, serverValue:47}] to localhost:27017
2016-05-03T00:23:36.976Z INFO  [Periodicals] Starting 
[org.graylog2.periodical.LdapGroupMappingMigration] periodical, running 
forever.
2016-05-03T00:23:36.990Z INFO  [Periodicals] Starting 
[org.graylog.plugins.usagestatistics.UsageStatsNodePeriodical] periodical 
in [300s], polling every [21600s].
2016-05-03T00:23:36.995Z INFO  [Periodicals] Starting 
[org.graylog.plugins.usagestatistics.UsageStatsClusterPeriodical] 
periodical in [300s], polling every [21600s].
2016-05-03T00:23:36.995Z INFO  [Periodicals] Starting 
[org.graylog.plugins.collector.periodical.PurgeExpiredCollectorsThread] 
periodical in [0s], polling every [3600s].
2016-05-03T00:23:37.243Z INFO  [transport] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] publish_address 
{127.0.0.1:9350}, bound_addresses {[::1]:9350}, {127.0.0.1:9350}
2016-05-03T00:23:37.247Z INFO  [discovery] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] 
graylog/Nwc4NipXTLafbvhtvhEKMA
2016-05-03T00:23:37.312Z INFO  [AbstractJerseyService] Enabling CORS for 
HTTP endpoint
2016-05-03T00:23:39.906Z INFO  [NetworkListener] Started listener bound to 
[0.0.0.0:9000]
2016-05-03T00:23:39.908Z INFO  [HttpServer] [HttpServer] Started.
2016-05-03T00:23:39.910Z INFO  [WebInterfaceService] Started Web Interface 
at <http://0.0.0.0:9000/>
2016-05-03T00:23:40.256Z WARN  [discovery] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] waited for 3s and no initial 
state was set by the discovery
2016-05-03T00:23:40.256Z INFO  [node] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] started
2016-05-03T00:23:40.382Z INFO  [service] 
[graylog-658f36aa-bca4-4596-80e5-837dabf0aa61] detected_master 
{node-1}{T_ovHAiwT5i-HGSSDvml2A}{127.0.0.1}{127.0.0.1:9300}, added 
{{node-1}{T_ovHAiwT5i-HGSSDvml2A$
2016-05-03T00:23:43.530Z INFO  [NetworkListener] Started listener bound to 
[0.0.0.0:12900]
2016-05-03T00:23:43.531Z INFO  [HttpServer] [HttpServer-1] Started.
2016-05-03T00:23:43.531Z INFO  [RestApiService] Started REST API at 
<http://0.0.0.0:12900/>
2016-05-03T00:23:43.532Z INFO  [ServiceManagerListener] Services are healthy
2016-05-03T00:23:43.532Z INFO  [ServerBootstrap] Services started, startup 
times in ms: {OutputSetupService [RUNNING]=36, BufferSynchronizerService 
[RUNNING]=37, MetricsReporterService [RUNNING]=37, Jour$
2016-05-03T00:23:43.532Z INFO  [InputSetupService] Triggering launching 
persisted inputs, node transitioned from Uninitialized [LB:DEAD] to Running 
[LB:ALIVE]
2016-05-03T00:23:43.536Z INFO  [ServerBootstrap] Graylog server up and 
running.
2016-05-03T00:23:43.553Z INFO  [InputStateListener] Input [GELF 
UDP/57231a1d3746db645c165d16] is now STARTING
2016-05-03T00:23:43.594Z WARN  [NettyTransport] receiveBufferSize 
(SO_RCVBUF) for input GELFUDPInput{title=source-field, 
type=org.graylog2.inputs.gelf.udp.GELFUDPInput, 
nodeId=658f36aa-bca4-4596-80e5-837$
2016-05-03T00:23:43.599Z INFO  [InputStateListener] Input [GELF 
UDP/57231a1d3746db645c165d16] is now RUNNING

*[ And then **if I browse the interface, I get lots of these: ]*

2016-05-03T00:28:12.666Z WARN  [ProxiedResource] Unable to call 
https://something:12900/system/metrics/multiple on node 
<658f36aa-bca4-4596-80e5-837dabf0aa61>, caught exception: connect timed o$
2016-05-03T00:28:13.512Z WARN  [ProxiedResource] Unable to call 
https://something:12900/system/metrics/multiple on node 
<658f36aa-bca4-4596-80e5-837dabf0aa61>, caught exception: connect timed o$
2016-05-03T00:28:16.092Z WARN  [ProxiedResource] Unable to call 
https://something:12900/system/metrics/multiple on node 
<658f36aa-bca4-4596-80e5-837dabf0aa61>, caught exception: connect timed o$
2016-05-03T00:28:22.690Z WARN  [ProxiedResource] Unable to call 
https://something:12900/system/metrics/multiple on node 
<658f36aa-bca4-4596-80e5-837dabf0aa61>, caught exception: connect timed o$
2016-05-03T00:28:22.726Z WARN  [ProxiedResource] Unable to call 
https://something:12900/system/metrics/multiple on node 
<658f36aa-bca4-4596-80e5-837dabf0aa61>, caught exception: connect timed o$
2016-05-03T00:28:23.498Z WARN  [ProxiedResource] Unable to call 
https://something:12900/system/metrics/multiple on node 
<658f36aa-bca4-4596-80e5-837dabf0aa61>, caught exception: connect timed o$
....



On Monday, May 2, 2016 at 6:05:18 PM UTC+10, Dennis Oelkers wrote:
>
> Hey Adel, 
>
> are your Graylog nodes able to connect to each other’s REST interface? It 
> seems like the node your web interface is using is not able to connect to 
> the REST interface of a node you want to view node details of. 
>
> Kr, 
>         D. 
>
> -- 
> Tel.: +49 (0)40 609 452 077 
> Fax.: +49 (0)40 609 452 078 
>
> TORCH GmbH - A Graylog company 
> Steckelhörn 11 
> 20457 Hamburg 
> Germany 
>
> Commercial Reg. (Registergericht): Amtsgericht Hamburg, HRB 125175 
> Geschäftsführer: Lennart Koopmann (CEO) 
>
> > On 02.05.2016, at 08:02, Adel K. <[email protected] <javascript:>> 
> wrote: 
> > 
> > Hi, 
> > 
> > After upgrading from version 1 to version 2, I get some errors related 
> to web interface and I can't find the reason (main web interface functions 
> work without any problems, but e.g. I can't see the nodes data in the 
> interface. I can open system > nodes, but when I click on the node I get an 
> error (screenshot). Also, in the upper right of the page it's always 
> "Loading...". 
> > And I get lots of these warning messages in graylog log file: 
> > 
> > 2016-05-02T05:08:05.276Z WARN  [ProxiedResource] Unable to call 
> https://something:12900/system/metrics/multiple on node 
> <658f36aa-bca4-4596-80e5-837dabf0aa61>, caught exception: connect timed out 
> (class java.net.SocketTimeoutException) 
> > 
> > 
> > 
> > 2016-05-02T05:08:05.862Z WARN  [ProxiedResource] Unable to call 
> https://something:12900/system on node 
> <658f36aa-bca4-4596-80e5-837dabf0aa61>, caught exception: connect timed out 
> (class java.net.SocketTimeoutException) 
> > 
> > 
> > 
> > 2016-05-02T05:08:05.862Z WARN  [ProxiedResource] Unable to call 
> https://something:12900/system/metrics/multiple on node 
> <658f36aa-bca4-4596-80e5-837dabf0aa61>, caught exception: connect timed out 
> (class java.net.SocketTimeoutException) 
> > 
> > 
> > 
> > 
> > 2016-05-02T05:08:05.878Z WARN  [ProxiedResource] Unable to call 
> https://something:12900/system/metrics/multiple on node 
> <658f36aa-bca4-4596-80e5-837dabf0aa61>, caught exception: connect timed out 
> (class java.net.SocketTimeoutException) 
> > 
> > 
> > 
> > Cheers, 
> > 
> > 
> > -- 
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> https://groups.google.com/d/msgid/graylog2/4f8ad25a-991b-4706-83c0-8fc412115a24%40googlegroups.com.
>  
>
> > For more options, visit https://groups.google.com/d/optout. 
> > <graylog.jpg><system-nodes.jpg> 
>
>

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