elasticsearch - 在Digital Ocean的Droplet上更新了Elasticservice，Elasticsearch将不再启动

Question

尝试启动Elasticsearch时收到的错误

-- Unit elasticsearch.service has begun starting up.
Oct 08 23:54:05 ElasticSearch logstash[1064]: [2020-10-08T23:54:05,137][WARN ][logstash.outputs.elasticsearch][main] Attempted to resurrect connection to dead ES instance, but got an error. {:url=
Oct 08 23:54:05 ElasticSearch logstash[1064]: [2020-10-08T23:54:05,138][WARN ][logstash.outputs.elasticsearch][main] Attempted to resurrect connection to dead ES instance, but got an error. {:url=
Oct 08 23:54:05 ElasticSearch kernel: [UFW BLOCK] IN=eth0 OUT= MAC=76:67:e9:46:24:b8:fe:00:00:00:01:01:08:00 SRC=79.124.62.110 DST=206.189.196.214 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=52316 PROTO=
Oct 08 23:54:05 ElasticSearch systemd-entrypoint[14701]: Exception in thread "main" java.lang.RuntimeException: starting java failed with [1]
Oct 08 23:54:05 ElasticSearch systemd-entrypoint[14701]: output:
Oct 08 23:54:05 ElasticSearch systemd-entrypoint[14701]: error:
Oct 08 23:54:05 ElasticSearch systemd-entrypoint[14701]: Unrecognized VM option 'UseConcMarkSweepGC'
Oct 08 23:54:05 ElasticSearch systemd-entrypoint[14701]: Error: Could not create the Java Virtual Machine.
Oct 08 23:54:05 ElasticSearch systemd-entrypoint[14701]: Error: A fatal exception has occurred. Program will exit.
Oct 08 23:54:05 ElasticSearch systemd-entrypoint[14701]:         at org.elasticsearch.tools.launchers.JvmErgonomics.flagsFinal(JvmErgonomics.java:126)
Oct 08 23:54:05 ElasticSearch systemd-entrypoint[14701]:         at org.elasticsearch.tools.launchers.JvmErgonomics.finalJvmOptions(JvmErgonomics.java:88)
Oct 08 23:54:05 ElasticSearch systemd-entrypoint[14701]:         at org.elasticsearch.tools.launchers.JvmErgonomics.choose(JvmErgonomics.java:59)
Oct 08 23:54:05 ElasticSearch systemd-entrypoint[14701]:         at org.elasticsearch.tools.launchers.JvmOptionsParser.jvmOptions(JvmOptionsParser.java:137)
Oct 08 23:54:05 ElasticSearch systemd-entrypoint[14701]:         at org.elasticsearch.tools.launchers.JvmOptionsParser.main(JvmOptionsParser.java:95)

Answer 1

它看起来很像this reported issue和this one。
在jvm.options文件中，如果您替换此文件

-XX:+UseConcMarkSweepGC
-XX:CMSInitiatingOccupancyFraction=75
-XX:+UseCMSInitiatingOccupancyOnly

有了这个

8-13:-XX:+UseConcMarkSweepGC
8-13:-XX:CMSInitiatingOccupancyFraction=75
8-13:-XX:+UseCMSInitiatingOccupancyOnly

它应该再次工作。