I have a problem elasticsearch

I have this problem and I have no idea what it is.
Can someone help me?

Follow the log.

[2022-09-28T02:21:14,224][WARN ][o.e.m.j.JvmGcMonitorService] [VM-Elasticsearch] [gc][young][365947][70063] duration [1.5s], collections [1]/[1.5s], total [1.5s]/[4.4h], memory [5.2gb]->[4.9gb]/[7.9gb], all_pools {[young] [252.1mb]->[1.3mb]/[2$
[2022-09-28T02:21:14,224][WARN ][o.e.m.j.JvmGcMonitorService] [VM-Elasticsearch] [gc][365947] overhead, spent [1.5s] collecting in the last [1.5s]
[2022-09-28T02:21:21,240][INFO ][o.e.m.j.JvmGcMonitorService] [VM-Elasticsearch] [gc][365954] overhead, spent [362ms] collecting in the last [1s]
[2022-09-28T02:21:28,243][INFO ][o.e.m.j.JvmGcMonitorService] [VM-Elasticsearch] [gc][365961] overhead, spent [379ms] collecting in the last [1s]
[2022-09-28T02:21:42,078][WARN ][o.e.m.j.JvmGcMonitorService] [VM-Elasticsearch] [gc][young][365968][70066] duration [7.5s], collections [1]/[7.8s], total [7.5s]/[4.4h], memory [5.2gb]->[5gb]/[7.9gb], all_pools {[young] [259.3mb]->[395.5kb]/[2$
[2022-09-28T02:21:42,078][WARN ][o.e.m.j.JvmGcMonitorService] [VM-Elasticsearch] [gc][365968] overhead, spent [7.5s] collecting in the last [7.8s]
[2022-09-28T02:22:53,664][WARN ][o.e.m.j.JvmGcMonitorService] [VM-Elasticsearch] [gc][young][365978][70067] duration [1m], collections [1]/[1m], total [1m]/[4.4h], memory [5.2gb]->[5gb]/[7.9gb], all_pools {[young] [263.4mb]->[17.7mb]/[266.2mb]$
[2022-09-28T02:22:53,665][WARN ][o.e.m.j.JvmGcMonitorService] [VM-Elasticsearch] [gc][365978] overhead, spent [1m] collecting in the last [1m]
[2022-09-28T02:22:55,276][DEBUG][o.e.a.a.c.n.t.c.TransportCancelTasksAction] [VM-Elasticsearch] Received ban for the parent [NhfmEp7-RMus7H3lIFTA7Q:56775001] on the node [NhfmEp7-RMus7H3lIFTA7Q], reason: [by user request]
[2022-09-28T02:22:55,431][DEBUG][o.e.a.a.c.n.t.c.TransportCancelTasksAction] [VM-Elasticsearch] Sending remove ban for tasks with the parent [NhfmEp7-RMus7H3lIFTA7Q:56775001] to the node [NhfmEp7-RMus7H3lIFTA7Q]
[2022-09-28T02:22:55,431][DEBUG][o.e.a.a.c.n.t.c.TransportCancelTasksAction] [VM-Elasticsearch] Removing ban for the parent [NhfmEp7-RMus7H3lIFTA7Q:56775001] on the node [NhfmEp7-RMus7H3lIFTA7Q]
[2022-09-28T02:22:55,645][DEBUG][o.e.a.a.c.n.t.c.TransportCancelTasksAction] [VM-Elasticsearch] failed to execute on node [NhfmEp7-RMus7H3lIFTA7Q]
org.elasticsearch.transport.RemoteTransportException: [VM-Elasticsearch][127.0.0.1:9300][cluster:admin/tasks/cancel[n]]
Caused by: org.elasticsearch.ResourceNotFoundException: task [NhfmEp7-RMus7H3lIFTA7Q:56774813] doesn't support cancellation
at org.elasticsearch.action.admin.cluster.node.tasks.cancel.TransportCancelTasksAction.processTasks(TransportCancelTasksAction.java:93) ~[elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.action.admin.cluster.node.tasks.cancel.TransportCancelTasksAction.processTasks(TransportCancelTasksAction.java:60) ~[elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.action.support.tasks.TransportTasksAction.nodeOperation(TransportTasksAction.java:102) ~[elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.action.support.tasks.TransportTasksAction.access$900(TransportTasksAction.java:64) ~[elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.action.support.tasks.TransportTasksAction$NodeTransportHandler.messageReceived(TransportTasksAction.java:330) ~[elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.action.support.tasks.TransportTasksAction$NodeTransportHandler.messageReceived(TransportTasksAction.java:326) ~[elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.xpack.security.transport.SecurityServerTransportInterceptor$ProfileSecuredRequestHandler$1.doRun(SecurityServerTransportInterceptor.java:257) [x-pack-security-7.5.2.jar:7.5.2]
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.xpack.security.transport.SecurityServerTransportInterceptor$ProfileSecuredRequestHandler.messageReceived(SecurityServerTransportInterceptor.java:315) [x-pack-security-7.5.2.jar:7.5.2]
at org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:63) [elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.transport.TransportService$7.doRun(TransportService.java:752) [elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:773) [elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.5.2.jar:7.5.2]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
at java.lang.Thread.run(Thread.java:830) [?:?]
[2022-09-28T02:22:55,706][DEBUG][o.e.a.a.c.n.t.c.TransportCancelTasksAction] [VM-Elasticsearch] failed to execute on node [NhfmEp7-RMus7H3lIFTA7Q]
org.elasticsearch.transport.RemoteTransportException: [VM-Elasticsearch][127.0.0.1:9300][cluster:admin/tasks/cancel[n]]
Caused by: org.elasticsearch.ResourceNotFoundException: task [NhfmEp7-RMus7H3lIFTA7Q:56774719] doesn't support cancellation
at org.elasticsearch.action.admin.cluster.node.tasks.cancel.TransportCancelTasksAction.processTasks(TransportCancelTasksAction.java:93) ~[elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.action.admin.cluster.node.tasks.cancel.TransportCancelTasksAction.processTasks(TransportCancelTasksAction.java:60) ~[elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.action.support.tasks.TransportTasksAction.nodeOperation(TransportTasksAction.java:102) ~[elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.action.support.tasks.TransportTasksAction.access$900(TransportTasksAction.java:64) ~[elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.action.support.tasks.TransportTasksAction$NodeTransportHandler.messageReceived(TransportTasksAction.java:330) ~[elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.action.support.tasks.TransportTasksAction$NodeTransportHandler.messageReceived(TransportTasksAction.java:326) ~[elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.xpack.security.transport.SecurityServerTransportInterceptor$ProfileSecuredRequestHandler$1.doRun(SecurityServerTransportInterceptor.java:257) [x-pack-security-7.5.2.jar:7.5.2]
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.5.2.jar:7.5.2]
at org.elasticsearch.xpack.security.transport.SecurityServerTransportInterceptor$ProfileSecuredRequestHandler.messageReceived(SecurityServerTransportInterceptor.java:315) [x-pack-security-7.5.2.jar:7.5.2]
at org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:63) [elasticsearch-7.5.2.jar:7.5.2]

Hi @Marcelo_F_Costa

Is your elasticsearch working in standalone or cluster mode? the service is up or down. what is the status of the cluster?

to help check cluster health using API:
[Cluster health API | Elasticsearch Guide [8.4] | Elastic] Cluster health API | Elasticsearch Guide [7.5] | Elastic

Hi,
standalone.

The service is live, but my C# application is unable to save the data at this time of the error.

Thank you.

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