Elasticsearch is not running on linux

Elastic Stack Elasticsearch
1

i am running elasticsearch-7.0.0 as ./elasticsearch on linux and getting below error.
it was working file till yesterday.

[2019-05-11T15:51:43.284+0000][341528][safepoint ] Application time: 0.0000275 seconds
[2019-05-11T15:51:43.284+0000][341528][safepoint ] Entering safepoint region: RevokeBias
[2019-05-11T15:51:43.284+0000][341528][safepoint ] Leaving safepoint region
[2019-05-11T15:51:43.284+0000][341528][safepoint ] Total time for which application threads were stopped: 0.0000316 seconds, Stopping threads took: 0.0000140 seconds
[2019-05-11T15:51:43.284+0000][341528][safepoint ] Application time: 0.0008288 seconds
[2019-05-11T15:51:43.284+0000][341528][safepoint ] Entering safepoint region: RevokeBias
[2019-05-11T15:51:43.284+0000][341528][safepoint ] Leaving safepoint region
[2019-05-11T15:51:43.284+0000][341528][safepoint ] Total time for which application threads were stopped: 0.0000428 seconds, Stopping threads took: 0.0000183 seconds
[2019-05-11T15:51:43.286+0000][341528][gc,heap,exit ] Heap
[2019-05-11T15:51:43.286+0000][341528][gc,heap,exit ] par new generation total 314560K, used 128643K [0x00000000c0000000, 0x00000000d5550000, 0x00000000d5550000)
[2019-05-11T15:51:43.286+0000][341528][gc,heap,exit ] eden space 279616K, 46% used [0x00000000c0000000, 0x00000000c7da0e68, 0x00000000d1110000)
[2019-05-11T15:51:43.286+0000][341528][gc,heap,exit ] from space 34944K, 0% used [0x00000000d1110000, 0x00000000d1110000, 0x00000000d3330000)
[2019-05-11T15:51:43.286+0000][341528][gc,heap,exit ] to space 34944K, 0% used [0x00000000d3330000, 0x00000000d3330000, 0x00000000d5550000)
[2019-05-11T15:51:43.286+0000][341528][gc,heap,exit ] concurrent mark-sweep generation total 699072K, used 0K [0x00000000d5550000, 0x0000000100000000, 0x0000000100000000)
[2019-05-11T15:51:43.286+0000][341528][gc,heap,exit ] Metaspace used 14137K, capacity 14719K, committed 14976K, reserved 1062912K
[2019-05-11T15:51:43.286+0000][341528][gc,heap,exit ] class space used 1663K, capacity 1875K, committed 1920K, reserved 1048576K
[2019-05-11T15:51:43.286+0000][341528][safepoint ] Application time: 0.0013228 seconds
[2019-05-11T15:51:43.286+0000][341528][safepoint ] Entering safepoint region: Halt

which thing needs to be corrected here?
please help

2

log file is showing below error

[2019-05-11T15:51:43,230][ERROR][o.e.b.Bootstrap ] [node-rest] Exception
java.lang.IllegalStateException: Node is started with node.data=false, but has shard data: [/home/switcrlh/elk/elasticsearch-7.0.0/data/nodes/0/indices/KVytJnunStyTahqrvwvBpQ/0]. Use 'elasticsearch-node repurpose' tool to clean up
at org.elasticsearch.env.NodeEnvironment.ensureNoShardData(NodeEnvironment.java:1060) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.env.NodeEnvironment.(NodeEnvironment.java:323) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.node.Node.(Node.java:271) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.node.Node.(Node.java:251) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Bootstrap$5.(Bootstrap.java:211) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:211) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:325) [elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) [elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) [elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) [elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) [elasticsearch-cli-7.0.0.jar:7.0.0]
at org.elasticsearch.cli.Command.main(Command.java:90) [elasticsearch-cli-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:115) [elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) [elasticsearch-7.0.0.jar:7.0.0]
[2019-05-11T15:51:43,250][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [node-rest] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: java.lang.IllegalStateException: Node is started with node.data=false, but has shard data: [/home/switcrlh/elk/elasticsearch-7.0.0/data/nodes/0/indices/KVytJnunStyTahqrvwvBpQ/0]. Use 'elasticsearch-node repurpose' tool to clean up
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:163) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) ~[elasticsearch-cli-7.0.0.jar:7.0.0]
at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:115) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) ~[elasticsearch-7.0.0.jar:7.0.0]
Caused by: java.lang.IllegalStateException: Node is started with node.data=false, but has shard data: [/home/switcrlh/elk/elasticsearch-7.0.0/data/nodes/0/indices/KVytJnunStyTahqrvwvBpQ/0]. Use 'elasticsearch-node repurpose' tool to clean up
at org.elasticsearch.env.NodeEnvironment.ensureNoShardData(NodeEnvironment.java:1060) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.env.NodeEnvironment.(NodeEnvironment.java:323) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.node.Node.(Node.java:271) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.node.Node.(Node.java:251) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Bootstrap$5.(Bootstrap.java:211) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:211) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:325) ~[elasticsearch-7.0.0.jar:7.0.0]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) ~[elasticsearch-7.0.0.jar:7.0.0]
... 6 more

3

1 more log file is saying below error

{"type": "server", "timestamp": "2019-05-11T15:51:43,230+0000", "level": "ERROR", "component": "o.e.b.Bootstrap", "cluster.name": "elk-cluster", "node.name": "node-rest", "message": "Exception" ,
"stacktrace": ["java.lang.IllegalStateException: Node is started with node.data=false, but has shard data: [/home/switcrlh/elk/elasticsearch-7.0.0/data/nodes/0/indices/KVytJnunStyTahqrvwvBpQ/0]. Use 'elasticsearch-node repurpose' tool to clean up",
"at org.elasticsearch.env.NodeEnvironment.ensureNoShardData(NodeEnvironment.java:1060) ~[elasticsearch-7.0.0.jar:7.0.0]",
"at org.elasticsearch.env.NodeEnvironment.(NodeEnvironment.java:323) ~[elasticsearch-7.0.0.jar:7.0.0]",
"at org.elasticsearch.node.Node.(Node.java:271) ~[elasticsearch-7.0.0.jar:7.0.0]",
"at org.elasticsearch.node.Node.(Node.java:251) ~[elasticsearch-7.0.0.jar:7.0.0]",
"at org.elasticsearch.bootstrap.Bootstrap$5.(Bootstrap.java:211) ~[elasticsearch-7.0.0.jar:7.0.0]",
"at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:211) ~[elasticsearch-7.0.0.jar:7.0.0]",
"at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:325) [elasticsearch-7.0.0.jar:7.0.0]",
"at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) [elasticsearch-7.0.0.jar:7.0.0]",
"at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) [elasticsearch-7.0.0.jar:7.0.0]",
"at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) [elasticsearch-7.0.0.jar:7.0.0]",
"at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) [elasticsearch-cli-7.0.0.jar:7.0.0]",
"at org.elasticsearch.cli.Command.main(Command.java:90) [elasticsearch-cli-7.0.0.jar:7.0.0]",
"at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:115) [elasticsearch-7.0.0.jar:7.0.0]",
"at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) [elasticsearch-7.0.0.jar:7.0.0]"] }

4

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