環境:jdk-10.0.1 + centos 7.14
報錯:
# # A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x00007f88722978d6, pid=23611, tid=24302 # # JRE version: Java(TM) SE Runtime Environment (10.0.1+10) (build 10.0.1+10) # Java VM: Java HotSpot(TM) 64-Bit Server VM (10.0.1+10, mixed mode, tiered, compressed oops, concurrent mark sweep gc, linux-amd64) # Problematic frame: # J 14628 c2 org.apache.lucene.util.MergedIterator.pullTop()V (135 bytes) @ 0x00007f88722978d6 [0x00007f88722972e0+0x00000000000005f6] # # No core dump will be written. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again # # If you would like to submit a bug report, please visit: # http://bugreport.java.com/bugreport/crash.jsp # --------------- S U M M A R Y ------------ Command Line: -Xms8g -Xmx8g -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+AlwaysPreTouch -Xss1m -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Djna.nosys=true -XX:-OmitStackTraceInFastThrow -Dio.netty.noUnsafe=true -Dio.netty.noKeySetOptimization=true -Dio.netty.recycler.maxCapacityPerThread=0 -Dlog4j.shutdownHookEnabled=false -Dlog4j2.disable.jmx=true -Djava.io.tmpdir=/elasticsearch/elasticsearch-6.2.3/tmp -XX:+HeapDumpOnOutOfMemoryError -Xlog:gc*,gc+age=trace,safepoint:file=logs/gc.log:utctime,pid,tags:filecount=32,filesize=64m -Djava.locale.providers=COMPAT -Des.path.home=/elasticsearch/elasticsearch-6.2.3 -Des.path.conf=/elasticsearch/elasticsearch-6.2.3/config org.elasticsearch.bootstrap.Elasticsearch -d Host: Virtual CPU 82d9ed4018dd, 6 cores, 15G, CentOS Linux release 7.4.1708 (Core) Time: Tue Apr 24 12:52:15 2018 UTC elapsed time: 1209 seconds (0d 0h 20m 9s)
定位 原因:
J 14628 c2 org.apache.lucene.util.MergedIterator.pullTop()
搜索不出什么結果.
崩潰前 GC 不斷的執行，日志，使用的數據量很少。查詢很少。
最后忽然有靈感，會不會jdk 版本太高了。換 jdk8.
果然 解決了問題