# Curl: (7) Failed to connect to xn--localhost-499d port 9200: Connection refused **URL:** \ **Category:** Elasticsearch\ **Created:** [January 2, 2016, 5:09am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253 "2016-01-02T05:09:01Z")\ **Posts on this page:** 18\ **Page:** 1
**Author:** ![Dilip\_Dwivedi](https://avatars.discourse-cdn.com/v4/letter/d/c0e974/32.png) [@Dilip\_Dwivedi](https://discuss.elastic.co/u/Dilip_Dwivedi)\ **Post date:** [January 2, 2016, 5:09am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/1 "2016-01-02T05:09:01Z")
dilip@ubuntu:~/Desktop/ELK/e/bin$ curl ‘localhost:9200/\_cat/health?v’ curl: (7) Failed to connect to xn--localhost-499d port 9200: Connection refused ---
**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:** [January 2, 2016, 5:10am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/2 "2016-01-02T05:10:04Z")
Are you asking for help here? ---
**Author:** ![Dilip\_Dwivedi](https://avatars.discourse-cdn.com/v4/letter/d/c0e974/32.png) [@Dilip\_Dwivedi](https://discuss.elastic.co/u/Dilip_Dwivedi)\ **Post date:** [January 2, 2016, 5:10am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/3 "2016-01-02T05:10:58Z")
Yes curl commands are not working for me ,earlier it was working for me with same configuration ---
**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:** [January 2, 2016, 6:30am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/4 "2016-01-02T06:30:35Z")
Is ES running, can you see it with a ps or similar? ---
**Author:** ![Dilip\_Dwivedi](https://avatars.discourse-cdn.com/v4/letter/d/c0e974/32.png) [@Dilip\_Dwivedi](https://discuss.elastic.co/u/Dilip_Dwivedi)\ **Post date:** [January 2, 2016, 6:38am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/5 "2016-01-02T06:38:43Z")
I tried indexing a big log file in ES and it seems it ran out of memory .While starting ES getting error message . dilip@ubuntu:~/Desktop/ELK/e/bin$ ./elasticsearch [2016-01-01 22:37:00,278][INFO][node] [Felicia Hardy] version[1.7.3], pid[3479], build[05d4530/2015-10-15T09:14:17Z] [2016-01-01 22:37:00,279][INFO][node] [Felicia Hardy] initializing ... [2016-01-01 22:37:00,741][INFO][plugins] [Felicia Hardy] loaded [], sites [] [2016-01-01 22:37:01,098][INFO][env] [Felicia Hardy] using [1] data paths, mounts [[/ (/dev/sda1)]], net usable\_space [13.4gb], net total\_space [18.5gb], types [ext4] [2016-01-01 22:37:09,723][INFO][node] [Felicia Hardy] initialized [2016-01-01 22:37:09,724][INFO][node] [Felicia Hardy] starting ... [2016-01-01 22:37:10,054][INFO][transport] [Felicia Hardy] bound\_address {inet[/0:0:0:0:0:0:0:0:9303]}, publish\_address {inet[/192.168.161.136:9303]} [2016-01-01 22:37:10,148][INFO][discovery] [Felicia Hardy] elasticsearch/Mw78i0fzQVKU04bJb\_0X5w [2016-01-01 22:37:16,431][WARN][transport.netty] [Felicia Hardy] exception caught on transport layer [[id: 0xefeb618f]], closing connection java.net.NoRouteToHostException: No route to host at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:744) at org.elasticsearch.common.netty.channel.socket.nio.NioClientBoss.connect(NioClientBoss.java:152) at org.elasticsearch.common.netty.channel.socket.nio.NioClientBoss.processSelectedKeys(NioClientBoss.java:105) at org.elasticsearch.common.netty.channel.socket.nio.NioClientBoss.process(NioClientBoss.java:79) at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:337) at org.elasticsearch.common.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42) at org.elasticsearch.common.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at org.elasticsearch.common.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) [2016-01-01 22:37:16,465][WARN][transport.netty] [Felicia Hardy] exception caught on transport layer [[id: 0x55dc1597]], closing connection ---
**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:** [January 2, 2016, 8:11pm UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/6 "2016-01-02T20:11:05Z")
> [@Dilip\_Dwivedi](#): > > java.net.NoRouteToHostException: No route to host Looks like you have networking issues on the node. > [@Dilip\_Dwivedi](#): > > 192.168.161.136:9303 Do you have multiple ES instances on that host? ---
**Author:** ![Dilip\_Dwivedi](https://avatars.discourse-cdn.com/v4/letter/d/c0e974/32.png) [@Dilip\_Dwivedi](https://discuss.elastic.co/u/Dilip_Dwivedi)\ **Post date:** [January 3, 2016, 4:00am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/7 "2016-01-03T04:00:43Z")
No I have only one instance of ES ---
**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:** [January 3, 2016, 5:01am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/8 "2016-01-03T05:01:23Z")
Well you are curling 9200, but it's running on 9203 by the looks of things. Are you 100% sure there aren't multiple instances running? ---
**Author:** ![Dilip\_Dwivedi](https://avatars.discourse-cdn.com/v4/letter/d/c0e974/32.png) [@Dilip\_Dwivedi](https://discuss.elastic.co/u/Dilip_Dwivedi)\ **Post date:** [January 3, 2016, 10:59am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/9 "2016-01-03T10:59:11Z")
I have restarted again ,Please find elasticsearch new started ,curl commands and process running dilip@ubuntu:~/Desktop/ELK/e/bin$ curl ‘localhost:9200/\_cat/indices?v’ curl: (7) Failed to connect to xn--localhost-499d port 9200: Connection refused dilip@ubuntu:~/Desktop/ELK/e/bin$ ps -ef|grep elasticsearch dilip 2581 2474 0 01:39 pts/8 00:00:37 /usr/bin/java -Xms256m -Xmx1g -Djava.awt.headless=true -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+HeapDumpOnOutOfMemoryError -XX:+DisableExplicitGC -Dfile.encoding=UTF-8 -Delasticsearch -Des.foreground=yes -Des.path.home=/home/dilip/Desktop/ELK/e -cp :/home/dilip/Desktop/ELK/e/lib/elasticsearch-1.7.3.jar:/home/dilip/Desktop/ELK/e/lib/_:/home/dilip/Desktop/ELK/e/lib/sigar/_ org.elasticsearch.bootstrap.Elasticsearch dilip 3834 3426 0 02:12 pts/0 00:00:00 vi elasticsearch.yml dilip 3838 3426 0 02:16 pts/0 00:00:00 vi elasticsearch dilip 4258 3426 0 02:57 pts/0 00:00:00 grep --color=auto elasticsearch dilip@ubuntu:~/Desktop/ELK/e/bin$ ./elasticsearch [2016-01-02 20:14:24,369][INFO][node] [Stature] version[1.7.3], pid[2581], build[05d4530/2015-10-15T09:14:17Z] [2016-01-02 20:14:24,399][INFO][node] [Stature] initializing ... [2016-01-02 20:14:24,837][INFO][plugins] [Stature] loaded [], sites [] [2016-01-02 20:14:25,036][INFO][env] [Stature] using [1] data paths, mounts [[/ (/dev/sda1)]], net usable\_space [13.5gb], net total\_space [18.5gb], types [ext4] [2016-01-02 20:14:32,264][INFO][node] [Stature] initialized [2016-01-02 20:14:32,265][INFO][node] [Stature] starting ... [2016-01-02 20:14:32,548][INFO][transport] [Stature] bound\_address {inet[/0:0:0:0:0:0:0:0:9300]}, publish\_address {inet[/192.168.161.136:9300]} [2016-01-02 20:14:32,634][INFO][discovery] [Stature] elasticsearch/1zmp4ypjTXan4Rj09piJow [2016-01-02 20:14:36,471][INFO][cluster.service] [Stature] new\_master [Stature][1zmp4ypjTXan4Rj09piJow][ubuntu][inet[/192.168.161.136:9300]], reason: zen-disco-join (elected\_as\_master) [2016-01-02 20:14:36,565][INFO][http] [Stature] bound\_address {inet[/0:0:0:0:0:0:0:0:9200]}, publish\_address {inet[/192.168.161.136:9200]} [2016-01-02 20:14:36,566][INFO][node] [Stature] started [2016-01-02 20:14:36,752][INFO][gateway] [Stature] recovered [6] indices into cluster\_state [2016-01-02 20:14:39,705][WARN][index.mapper] [Stature] [test] Type [system.log] contains a '.', it is recommended not to include it within a type name ---
**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:** [January 3, 2016, 9:03pm UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/10 "2016-01-03T21:03:32Z")
Try `curl 192.168.161.136:9200`. ---
**Author:** ![Dilip\_Dwivedi](https://avatars.discourse-cdn.com/v4/letter/d/c0e974/32.png) [@Dilip\_Dwivedi](https://discuss.elastic.co/u/Dilip_Dwivedi)\ **Post date:** [January 4, 2016, 5:35am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/11 "2016-01-04T05:35:00Z")
It didn't worked either ---
**Author:** ![Dilip\_Dwivedi](https://avatars.discourse-cdn.com/v4/letter/d/c0e974/32.png) [@Dilip\_Dwivedi](https://discuss.elastic.co/u/Dilip_Dwivedi)\ **Post date:** [January 6, 2016, 5:03am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/12 "2016-01-06T05:03:45Z")
I have reinstalled elasticsearch and getting same error though I tried with publish address .Please find below screen shot of ES started and curl command with output **ES STARTED** dilip@ubuntu:~/Desktop/ELK2/e/bin$ ./elasticsearch --node.name Dilip [2016-01-05 20:57:12,926][INFO][node] [Dilip] version[1.7.3], pid[2584], build[05d4530/2015-10-15T09:14:17Z] [2016-01-05 20:57:12,927][INFO][node] [Dilip] initializing ... [2016-01-05 20:57:13,232][INFO][plugins] [Dilip] loaded [], sites [] [2016-01-05 20:57:13,484][INFO][env] [Dilip] using [1] data paths, mounts [[/ (/dev/sda1)]], net usable\_space [13.3gb], net total\_space [18.5gb], types [ext4] [2016-01-05 20:57:20,823][INFO][node] [Dilip] initialized [2016-01-05 20:57:20,824][INFO][node] [Dilip] starting ... [2016-01-05 20:57:21,165][INFO][transport] [Dilip] bound\_address {inet[/0:0:0:0:0:0:0:0:9300]}, publish\_address {inet[/192.168.161.138:9300]} [2016-01-05 20:57:21,271][INFO][discovery] [Dilip] elasticsearch/2uXlZQr6QKGSr4PweqeHJA [2016-01-05 20:57:25,132][INFO][cluster.service] [Dilip] new\_master [Dilip][2uXlZQr6QKGSr4PweqeHJA][ubuntu][inet[/192.168.161.138:9300]], reason: zen-disco-join (elected\_as\_master) [2016-01-05 20:57:25,333][INFO][http] [Dilip] bound\_address {inet[/0:0:0:0:0:0:0:0:9200]}, publish\_address {inet[/192.168.161.138:9200]} [2016-01-05 20:57:25,336][INFO][node] [Dilip] started [2016-01-05 20:57:25,477][INFO][gateway] [Dilip] recovered [0] indices into cluster\_state **CURL COMMAND** /Desktop/ELK2/e/bin$ curl ‘localhost:9200/\_cat/nodes?v’ curl: (7) Failed to connect to xn--localhost-499d port 9200: Connection refused dilip@ubuntu:~/Desktop/ELK2/e/bin$ curl ‘192.168.161.138:9200/\_cat/nodes?v’ curl: (7) Failed to connect to xn--192-mo0a.168.161.138 port 9200: Connection refused ---
**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:** [January 6, 2016, 5:30am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/13 "2016-01-06T05:30:18Z")
It looks like a local networking issue, why is `curl 192.168.161.138` being changed to `xn--192-mo0a.168.161.138`? ---
**Author:** ![Dilip\_Dwivedi](https://avatars.discourse-cdn.com/v4/letter/d/c0e974/32.png) [@Dilip\_Dwivedi](https://discuss.elastic.co/u/Dilip_Dwivedi)\ **Post date:** [January 6, 2016, 5:34am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/14 "2016-01-06T05:34:59Z")
I am a newbie in ES ,I am not sure why is curl 192.168.161.138 being changed to xn--192-mo0a.168.161.138? Please advise how I can trace this issue. ---
**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:** [January 6, 2016, 5:35am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/15 "2016-01-06T05:35:58Z")
I don't know either, you should ask one your admin people, this is not an ES problem. ---
**Author:** ![Dilip\_Kumar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dilip_kumar/32/15459_2.png) [@Dilip\_Kumar](https://discuss.elastic.co/u/Dilip_Kumar)\ **Post date:** [September 13, 2016, 9:52am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/16 "2016-09-13T09:52:55Z")
Check your java version should be 1.8.x ---
**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:** [September 13, 2016, 10:00am UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/17 "2016-09-13T10:00:31Z")
Why? ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 5, 2017, 10:20pm UTC](https://discuss.elastic.co/t/curl-7-failed-to-connect-to-xn-localhost-499d-port-9200-connection-refused/38253/18 "2017-07-05T22:20:49Z")