# Curl: (7) Failed to connect to localhost port 9200: Connection refused **URL:** \ **Category:** Elasticsearch\ **Created:** [October 26, 2018, 9:37pm UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-localhost-port-9200-connection-refused/154256 "2018-10-26T21:37:37Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![gentitope](https://avatars.discourse-cdn.com/v4/letter/g/edb3f5/32.png) [@gentitope](https://discuss.elastic.co/u/gentitope)\ **Post date:** [October 26, 2018, 9:37pm UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-localhost-port-9200-connection-refused/154256/1 "2018-10-26T21:37:38Z")
Someone help! $ curl -XGET [http://localhost:9200/\_cluster/health?pretty](http://localhost:9200/_cluster/health?pretty) curl: (7) Failed to connect to localhost port 9200: Connection refused Logs: [2018-10-26T21:16:10,548][DEBUG][o.e.t.ThreadPool] [ops\_es\_data-prod-5-a] created thread pool: name [warmer], core [1], max [1], keep alive [5m] [2018-10-26T21:16:10,554][DEBUG][o.e.c.u.c.QueueResizingEsThreadPoolExecutor] thread pool [ops\_es\_data-prod-5-a/search] will adjust queue by [50] when determining automatic queue size [2018-10-26T21:16:10,554][DEBUG][o.e.t.ThreadPool] [ops\_es\_data-prod-5-a] created thread pool: name [search], size [4], queue size [100k] [2018-10-26T21:16:10,554][DEBUG][o.e.t.ThreadPool] [ops\_es\_data-prod-5-a] created thread pool: name [flush], core [1], max [1], keep alive [5m] [2018-10-26T21:16:10,556][DEBUG][o.e.t.ThreadPool] [ops\_es\_data-prod-5-a] created thread pool: name [fetch\_shard\_store], core [1], max [4], keep alive [5m] [2018-10-26T21:16:10,557][DEBUG][o.e.t.ThreadPool] [ops\_es\_data-prod-5-a] created thread pool: name [management], core [1], max [5], keep alive [5m] [2018-10-26T21:16:10,557][DEBUG][o.e.t.ThreadPool] [ops\_es\_data-prod-5-a] created thread pool: name [ml\_utility], size [80], queue size [500] [2018-10-26T21:16:10,558][DEBUG][o.e.t.ThreadPool] [ops\_es\_data-prod-5-a] created thread pool: name [get], size [2], queue size [1k] [2018-10-26T21:16:10,559][DEBUG][o.e.t.ThreadPool] [ops\_es\_data-prod-5-a] created thread pool: name [analyze], size [1], queue size [16] [2018-10-26T21:16:10,559][DEBUG][o.e.t.ThreadPool] [ops\_es\_data-prod-5-a] created thread pool: name [write], size [2], queue size [500] [2018-10-26T21:16:10,560][DEBUG][o.e.t.ThreadPool] [ops\_es\_data-prod-5-a] created thread pool: name [snapshot], core [1], max [1], keep alive [5m] [2018-10-26T21:16:11,070][DEBUG][i.n.u.i.PlatformDependent0] -Dio.netty.noUnsafe: true [2018-10-26T21:16:11,071][DEBUG][i.n.u.i.PlatformDependent0] sun.misc.Unsafe: unavailable (io.netty.noUnsafe) [2018-10-26T21:16:11,073][DEBUG][i.n.u.i.PlatformDependent0] Java version: 10 [2018-10-26T21:16:11,073][DEBUG][i.n.u.i.PlatformDependent0] java.nio.DirectByteBuffer.(long, int): unavailable [2018-10-26T21:16:11,074][DEBUG][i.n.u.i.PlatformDependent] maxDirectMemory: 5351276544 bytes (maybe) [2018-10-26T21:16:11,075][DEBUG][i.n.u.i.PlatformDependent] -Dio.netty.tmpdir: /tmp/elasticsearch (java.io.tmpdir) [2018-10-26T21:16:11,075][DEBUG][i.n.u.i.PlatformDependent] -Dio.netty.bitMode: 64 (sun.arch.data.model) [2018-10-26T21:16:11,078][DEBUG][i.n.u.i.PlatformDependent] -Dio.netty.noPreferDirect: true [2018-10-26T21:16:11,079][DEBUG][i.n.u.i.PlatformDependent] -Dio.netty.maxDirectMemory: -1 bytes [2018-10-26T21:16:11,079][DEBUG][i.n.u.i.PlatformDependent] -Dio.netty.uninitializedArrayAllocationThreshold: -1 [2018-10-26T21:16:13,898][DEBUG][o.e.s.ScriptService] [ops\_es\_data-prod-5-a] using script cache with max\_size [100], expire [0s] [2018-10-26T21:16:15,083][DEBUG][o.e.m.j.JvmGcMonitorService] [ops\_es\_data-prod-5-a] enabled [true], interval [1s], gc\_threshold [{default=GcThreshold{name='default', warnThreshold=10000, infoThreshold=5000, debugThreshold=2000}, young=GcThreshold{name='young', warnThreshold=1000, infoThreshold=700, debugThreshold=400}, old=GcThreshold{name='old', warnThreshold=10000, infoThreshold=5000, debugThreshold=2000}}], overhead [50, 25, 10] [2018-10-26T21:16:15,088][DEBUG][o.e.m.o.OsService] [ops\_es\_data-prod-5-a] using refresh\_interval [1s] [2018-10-26T21:16:15,096][DEBUG][o.e.m.p.ProcessService] [ops\_es\_data-prod-5-a] using refresh\_interval [1s] [2018-10-26T21:16:15,121][DEBUG][o.e.m.j.JvmService] [ops\_es\_data-prod-5-a] using refresh\_interval [1s] [2018-10-26T21:16:15,122][DEBUG][o.e.m.f.FsService] [ops\_es\_data-prod-5-a] using refresh\_interval [1s] [2018-10-26T21:16:15,132][DEBUG][o.e.c.r.a.d.ClusterRebalanceAllocationDecider] [ops\_es\_data-prod-5-a] using [cluster.routing.allocation.allow\_rebalance] with [indices\_all\_active] [2018-10-26T21:16:15,133][DEBUG][o.e.c.r.a.d.ConcurrentRebalanceAllocationDecider] [ops\_es\_data-prod-5-a] using [cluster\_concurrent\_rebalance] with [2] [2018-10-26T21:16:15,154][DEBUG][o.e.c.r.a.d.ThrottlingAllocationDecider] [ops\_es\_data-prod-5-a] using node\_concurrent\_outgoing\_recoveries [2], node\_concurrent\_incoming\_recoveries [2], node\_initial\_primaries\_recoveries [4] [2018-10-26T21:16:16,214][DEBUG][o.e.i.IndicesQueryCache] [ops\_es\_data-prod-5-a] using [node] query cache with size [510.3mb] max filter count [10000] [2018-10-26T21:16:16,221][DEBUG][o.e.i.IndexingMemoryController] [ops\_es\_data-prod-5-a] using indexing buffer size [510.3mb] with indices.memory.shard\_inactive\_time [5m], indices.memory.interval [5s] [2018-10-26T21:16:26,576][DEBUG][o.a.h.i.c.PoolingHttpClientConnectionManager] Closing expired connections [2018-10-26T21:16:26,581][DEBUG][o.a.h.i.c.PoolingHttpClientConnectionManager] Closing connections idle longer than 10000 MILLISECONDS [2018-10-26T21:16:36,582][DEBUG][o.a.h.i.c.PoolingHttpClientConnectionManager] Closing expired connections [2018-10-26T21:16:36,582][DEBUG][o.a.h.i.c.PoolingHttpClientConnectionManager] Closing connections idle longer than 10000 MILLISECONDS [2018-10-26T21:16:46,582][DEBUG][o.a.h.i.c.PoolingHttpClientConnectionManager] Closing expired connections [2018-10-26T21:16:46,582][DEBUG][o.a.h.i.c.PoolingHttpClientConnectionManager] Closing connections idle longer than 10000 MILLISECONDS [2018-10-26T21:16:56,582][DEBUG][o.a.h.i.c.PoolingHttpClientConnectionManager] Closing expired connections [2018-10-26T21:16:56,583][DEBUG][o.a.h.i.c.PoolingHttpClientConnectionManager] Closing connections idle longer than 10000 MILLISECONDS [2018-10-26T21:17:06,583][DEBUG][o.a.h.i.c.PoolingHttpClientConnectionManager] Closing expired connections [2018-10-26T21:17:06,583][DEBUG][o.a.h.i.c.PoolingHttpClientConnectionManager] Closing connections idle longer than 10000 MILLISECONDS ---
**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:** [October 27, 2018, 12:41am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-localhost-port-9200-connection-refused/154256/2 "2018-10-27T00:41:33Z")
Please turn off debug logging, it won't help here. Please also provide your config and the version you are running. Finally, use the `` button to format the logs/configs as code so it's easier to read. ---
**Author:** ![gentitope](https://avatars.discourse-cdn.com/v4/letter/g/edb3f5/32.png) [@gentitope](https://discuss.elastic.co/u/gentitope)\ **Post date:** [October 27, 2018, 6:30am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-localhost-port-9200-connection-refused/154256/3 "2018-10-27T06:30:52Z")
ES version: 6..4.2 ES config: cluster.name: live-es-cluster node.name: "data-node-prod-5" # Allow this node to be eligible as a master node (enabled by default): node.master: false # Allow this node to store data (enabled by default) node.data: true #################################### Paths #################################### # Path to directory where to store index data allocated for this node. path.data: - /usr/share/elasticsearch/data # Path to log files: path.logs: /var/log/elasticsearch # Path to directory where we store the backup path.repo: /tmp/backup bootstrap.memory\_lock: true # Set the bind address specifically (IPv4 or IPv6): network.bind\_host: 0.0.0.0 # Set the address other nodes will use to communicate with this node. If not # set, it is automatically derived. It must point to an actual IP address. network.publish\_host: 0.0.0.0 # Set a custom port for the node to node communication (9300 by default): transport.tcp.port: 9300 # Enable compression for all communication between nodes (disabled by default): # transport.tcp.compress: true # Set a custom port to listen for HTTP traffic: # http.port: 9200 # Set a custom allowed content length: # http.max\_content\_length: 200mb # Disable HTTP completely: # http.enabled: true ################################## Discovery ################################## # Discovery infrastructure ensures nodes can be found within a cluster # and master node is elected. Multicast discovery is the default. # Set to ensure a node sees N other master eligible nodes to be considered # operational within the cluster. This should be set to a quorum/majority of # the master-eligible nodes in the cluster. # # minimum\_master\_nodes set to 2, to avoid split-brain discovery.zen.minimum\_master\_nodes: 2 #discovery.zen.ping.timeout: 3s discovery.zen.ping.unicast.hosts: [10.100.235.202,10.100.235.244,10.100.235.248] xpack.security.enabled: false xpack.monitoring.enabled: true ## Threadpool Settings thread\_pool.index.queue\_size: 100000 thread\_pool.bulk.queue\_size: 500 thread\_pool.search.queue\_size: 100000 thread\_pool.listener.queue\_size: 1000 Also if i set log level to ERROR i dont have log at all. This was working fine until i upgraded ES docker images to 6.4.2 from 6.4.1 version and even rolling back to 6.4.1 gives connection refused now. ---
**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:** [October 28, 2018, 7:58am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-localhost-port-9200-connection-refused/154256/4 "2018-10-28T07:58:35Z")
Please edit your post and use the `` button to format things. ---
**Author:** ![TimV](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/timv/32/13162_2.png) [@TimV](https://discuss.elastic.co/u/TimV)\ **Post date:** [October 29, 2018, 1:26am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-localhost-port-9200-connection-refused/154256/5 "2018-10-29T01:26:17Z")
> [@gentitope](#): > > Also if i set log level to ERROR i dont have log at all. Why are you trying to fiddle with the log level in the first place? Elasticsearch ships with most logs set to `INFO` which is the recommended level, you don't need to change it. ---
**Author:** ![TimV](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/timv/32/13162_2.png) [@TimV](https://discuss.elastic.co/u/TimV)\ **Post date:** [October 29, 2018, 1:28am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-localhost-port-9200-connection-refused/154256/6 "2018-10-29T01:28:31Z")
> [@gentitope](#): > > i upgraded ES docker images to 6.4.2 from 6.4.1 version and even rolling back to 6.4.1 gives connection refused now. If you are running docker, then you should say so from the start - it makes a significant different for diagnosing these sorts of issues. What does your docker setup look like? Do you have your own Dockerfile? How are you doing port mapping from the host to the container? From first glance that looks like it could be the problem. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [November 26, 2018, 1:42am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-localhost-port-9200-connection-refused/154256/7 "2018-11-26T01:42:57Z")
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