Hi there,
I am running ElasticSearch on a single node, and it was working fine but now I'm getting Service unavailable exceptions which I'm not quite sure of. Please help. Below is the exception log.
[2017-05-04T09:21:52,023][INFO ][o.e.n.Node ] [node-1] initializing ...
[2017-05-04T09:21:52,383][INFO ][o.e.e.NodeEnvironment ] [node-1] using [1] data paths, mounts [[/ (rootfs)]], net usable_space [20.3gb], net total_space [29.4gb], spins? [unknown], types [rootfs]
[2017-05-04T09:21:52,390][INFO ][o.e.e.NodeEnvironment ] [node-1] heap size [2.9gb], compressed ordinary object pointers [true]
[2017-05-04T09:21:52,786][INFO ][o.e.n.Node ] [node-1] node name [node-1], node ID [uAtu2VR_Rt-eLxccrcDipg]
[2017-05-04T09:21:52,794][INFO ][o.e.n.Node ] [node-1] version[5.2.2], pid[11233], build[f9d9b74/2017-02-24T17:26:45.835Z], OS[Linux/3.10.0-514.16.1.el7.x86_64/amd64], JVM[Oracle Corporation/Java HotSpot(TM) 64-Bit Server VM/1.8.0_91/25.91-b14]
[2017-05-04T09:21:59,441][INFO ][o.e.p.PluginsService ] [node-1] loaded module [aggs-matrix-stats]
[2017-05-04T09:21:59,441][INFO ][o.e.p.PluginsService ] [node-1] loaded module [ingest-common]
[2017-05-04T09:21:59,441][INFO ][o.e.p.PluginsService ] [node-1] loaded module [lang-expression]
[2017-05-04T09:21:59,441][INFO ][o.e.p.PluginsService ] [node-1] loaded module [lang-groovy]
[2017-05-04T09:21:59,441][INFO ][o.e.p.PluginsService ] [node-1] loaded module [lang-mustache]
[2017-05-04T09:21:59,447][INFO ][o.e.p.PluginsService ] [node-1] loaded module [lang-painless]
[2017-05-04T09:21:59,448][INFO ][o.e.p.PluginsService ] [node-1] loaded module [percolator]
[2017-05-04T09:21:59,448][INFO ][o.e.p.PluginsService ] [node-1] loaded module [reindex]
[2017-05-04T09:21:59,448][INFO ][o.e.p.PluginsService ] [node-1] loaded module [transport-netty3]
[2017-05-04T09:21:59,448][INFO ][o.e.p.PluginsService ] [node-1] loaded module [transport-netty4]
[2017-05-04T09:21:59,448][INFO ][o.e.p.PluginsService ] [node-1] loaded plugin [x-pack]
[2017-05-04T09:22:08,354][INFO ][o.e.n.Node ] [node-1] initialized
[2017-05-04T09:22:08,354][INFO ][o.e.n.Node ] [node-1] starting ...
[2017-05-04T09:22:09,197][INFO ][o.e.t.TransportService ] [node-1] publish_address {10.200.128.28:9300}, bound_addresses {10.200.128.28:9300}
[2017-05-04T09:22:09,217][INFO ][o.e.b.BootstrapChecks ] [node-1] bound or publishing to a non-loopback or non-link-local address, enforcing bootstrap checks
[2017-05-04T09:22:12,436][INFO ][o.e.c.s.ClusterService ] [node-1] new_master {node-1}{uAtu2VR_Rt-eLxccrcDipg}{yEeh2pBEQmebGWoZa0VmaA}{asc-ana-uss-pr-di-qa-centos72-elk-00-0}{10.200.128.28:9300}, reason: zen-disco-elected-as-master ([0] nodes joined)
[2017-05-04T09:22:12,494][INFO ][o.e.h.HttpServer ] [node-1] publish_address {10.200.128.28:9200}, bound_addresses {10.200.128.28:9200}
[2017-05-04T09:22:12,495][INFO ][o.e.n.Node ] [node-1] started
[2017-05-04T09:22:14,624][INFO ][o.e.m.j.JvmGcMonitorService] [node-1] [gc][6] overhead, spent [269ms] collecting in the last [1s]
[2017-05-04T09:22:15,453][WARN ][r.suppressed ] path: /.reporting-*/esqueue/_search, params: {index=.reporting-*, type=esqueue, version=true}
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-5.2.2.jar:5.2.2]
at org.elasticsearch.cluster.block.ClusterBlocks.globalBlockedRaiseException(ClusterBlocks.java:151) ~[elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.action.search.TransportSearchAction.doExecute(TransportSearchAction.java:116) ~[elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.action.search.TransportSearchAction.doExecute(TransportSearchAction.java:53) ~[elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:173) ~[elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:145) ~[elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:87) ~[elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.client.node.NodeClient.executeLocally(NodeClient.java:75) ~[elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.client.node.NodeClient.doExecute(NodeClient.java:64) ~[elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.client.support.AbstractClient.execute(AbstractClient.java:403) ~[elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.client.support.AbstractClient.search(AbstractClient.java:530) ~[elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.rest.action.search.RestSearchAction.lambda$prepareRequest$1(RestSearchAction.java:81) ~[elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.rest.BaseRestHandler.handleRequest(BaseRestHandler.java:82) [elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.rest.RestController.dispatchRequest(RestController.java:162) [elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.http.HttpServer.dispatchRequest(HttpServer.java:115) [elasticsearch-5.2.2.jar:5.2.2]
at org.elasticsearch.http.netty4.Netty4HttpServerTransport.dispatchRequest(Netty4HttpServerTransport.java:515) [transport-netty4-5.2.2.jar:5.2.2]
at org.elasticsearch.http.netty4.Netty4HttpRequestHandler.channelRead0(Netty4HttpRequestHandler.java:70) [transport-netty4-5.2.2.jar:5.2.2]
at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:341) [netty-transport-4.1.7.Final.jar:4.1.7.Final]
at org.elasticsearch.http.netty4.pipelining.HttpPipeliningHandler.channelRead(HttpPipeliningHandler.java:65) [transport-netty4-5.2.2.jar:5.2.2]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) [netty-transport-4.1.7.Final.jar:4.1.7.Final]