我正在使用 Open J9，运行一段时间后我的应用程序停止响应。在生产中发生 2 小时后，本地管理使用 JMeter 进行模拟。应用程序（tomcat）只是停止响应，我需要重新启动才能恢复。问题是日志（catalina 和 log4j）中没有任何内容可以帮助我进行调查。我有核心转储和 GC 日志。
0SECTION TITLE subcomponent dump routine
NULL ===============================
1TICHARSET UTF-8
1TISIGINFO Dump Event "user" (00004000) received
1TIDATETIME Date: 2019/10/11 at 09:37:45:772
1TINANOTIME System nanotime: 227236303608900
1TIFILENAME Javacore filename: //javacore.20191011.093745.54545.0001.txt
1TIREQFLAGS Request Flags: 0x81 (exclusive+preempt)
1TIPREPSTATE Prep State: 0x104 (exclusive_vm_access+trace_disabled)
NULL ------------------------------------------------------------------------
0SECTION GPINFO subcomponent dump routine
NULL ================================
2XHOSLEVEL OS Level : Linux 4.9.184-linuxkit
2XHCPUS Processors -
3XHCPUARCH Architecture : amd64
3XHNUMCPUS How Many : 3
3XHNUMASUP NUMA is either not supported or has been disabled by user
NULL
1XHERROR2 Register dump section only produced for SIGSEGV, SIGILL or SIGFPE.
NULL
NULL ------------------------------------------------------------------------
0SECTION ENVINFO subcomponent dump routine
NULL =================================
1CIJAVAVERSION JRE 1.8.0 Linux amd64-64 (build 1.8.0_222-b10)
1CIVMVERSION 20190717_368
1CIJ9VMTAG openj9-0.15.1
1CIJ9VMVERSION 0f66c6431
1CIJITVERSION 0f66c6431
1CIOMRVERSION ec782f26_CMPRSS
1CIJCLVERSION f147086df1e based on jdk8u222-b10
1CIJITMODES JIT enabled, AOT enabled, FSD enabled, HCR enabled
1CIRUNNINGAS Running as a standalone JVM
1CIVMIDLESTATE VM Idle State: IDLE
1CICONTINFO Running in container : TRUE
1CICGRPINFO JVM support for cgroups enabled : TRUE
1CISTARTTIME JVM start time: 2019/10/10 at 18:55:29:459
1CISTARTNANO JVM start nanotime: 174300841862300
1CIPROCESSID Process ID: 54545 (0xD511)
1CICMDLINE [not available]
1CIJAVAHOMEDIR Java Home Dir: /usr/local/se/apps/java/jdk8u222-b10/jre
1CIJAVADLLDIR Java DLL Dir: /usr/local/se/apps/java/jdk8u222-b10/jre/bin
1CISYSCP Sys Classpath: /usr/local/se/apps/java/jdk8u222-b10/jre/lib/amd64/compressedrefs/jclSC180/vm.jar;/usr/local/se/apps/java/jdk8u222-b10/jre/lib/se-service.jar;/usr/local/se/apps/java/jdk8u222-b10/jre/lib/rt.jar;/usr/local/se/apps/java/jdk8u222-b10/jre/lib/resources.jar;/usr/local/se/apps/java/jdk8u222-b10/jre/lib/jsse.jar;/usr/local/se/apps/java/jdk8u222-b10/jre/lib/charsets.jar;/usr/local/se/apps/java/jdk8u222-b10/jre/lib/jce.jar;
1CIUSERARGS UserArgs:
2CIUSERARG -Xoptionsfile=/usr/local/se/apps/java/jdk8u222-b10/jre/lib/amd64/compressedrefs/options.default
2CIUSERARG -Xlockword:mode=default,noLockword=java/lang/String,noLockword=java/util/MapEntry,noLockword=java/util/HashMap$Entry,noLockword=org/apache/harmony/luni/util/ModifiedMap$Entry,noLockword=java/util/Hashtable$Entry,noLockword=java/lang/invoke/MethodType,noLockword=java/lang/invoke/MethodHandle,noLockword=java/lang/invoke/CollectHandle,noLockword=java/lang/invoke/ConstructorHandle,noLockword=java/lang/invoke/ConvertHandle,noLockword=java/lang/invoke/ArgumentConversionHandle,noLockword=java/lang/invoke/AsTypeHandle,noLockword=java/lang/invoke/ExplicitCastHandle,noLockword=java/lang/invoke/FilterReturnHandle,noLockword=java/lang/invoke/DirectHandle,noLockword=java/lang/invoke/ReceiverBoundHandle,noLockword=java/lang/invoke/DynamicInvokerHandle,noLockword=java/lang/invoke/FieldHandle,noLockword=java/lang/invoke/FieldGetterHandle,noLockword=java/lang/invoke/FieldSetterHandle,noLockword=java/lang/invoke/StaticFieldGetterHandle,noLockword=java/lang/invoke/StaticFieldSetterHandle,noLockword=java/lang/invoke/IndirectHandle,noLockword=java/lang/invoke/InterfaceHandle,noLockword=java/lang/invoke/VirtualHandle,noLockword=java/lang/invoke/PrimitiveHandle,noLockword=java/lang/invoke/InvokeExactHandle,noLockword=java/lang/invoke/InvokeGenericHandle,noLockword=java/lang/invoke/VarargsCollectorHandle,noLockword=java/lang/invoke/ThunkTuple
2CIUSERARG -Xjcl:jclse29
2CIUSERARG -Dcom.ibm.oti.vm.bootstrap.library.path=/usr/local/se/apps/java/jdk8u222-b10/jre/lib/amd64/compressedrefs:/usr/local/se/apps/java/jdk8u222-b10/jre/lib/amd64
2CIUSERARG -Dsun.boot.library.path=/usr/local/se/apps/java/jdk8u222-b10/jre/lib/amd64/compressedrefs:/usr/local/se/apps/java/jdk8u222-b10/jre/lib/amd64
2CIUSERARG -Djava.library.path=/usr/local/se/apps/java/jdk8u222-b10/jre/lib/amd64/compressedrefs:/usr/local/se/apps/java/jdk8u222-b10/jre/lib/amd64:/usr/local/se/apps/oracle-client:/usr/lib64:/usr/lib
2CIUSERARG -Djava.home=/usr/local/se/apps/java/jdk8u222-b10/jre
2CIUSERARG -Djava.ext.dirs=/usr/local/se/apps/java/jdk8u222-b10/jre/lib/ext
2CIUSERARG -Duser.dir=/
2CIUSERARG -Djava.class.path=.
2CIUSERARG -Djava.util.logging.config.file=/usr/local/se/apps/tomcat/conf/logging.properties
2CIUSERARG -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
2CIUSERARG -Xmx1024m
2CIUSERARG -XX:MaxMetaspaceSize=128m
2CIUSERARG -Djava.awt.headless=true
2CIUSERARG -Xdebug
2CIUSERARG -Xrunjdwp:transport=dt_socket,address=8001,server=y,suspend=n
2CIUSERARG -Dcom.sun.management.jmxremote=true
2CIUSERARG -Dcom.sun.management.jmxremote.port=9090
2CIUSERARG -Dcom.sun.management.jmxremote.rmi.port=9090
2CIUSERARG -Dcom.sun.management.jmxremote.local.only=false
2CIUSERARG -Dcom.sun.management.jmxremote.ssl=false
2CIUSERARG -Dcom.sun.management.jmxremote.authenticate=false
2CIUSERARG -Djava.rmi.server.hostname=localhost
2CIUSERARG -XX:ErrorFile=/usr/local/se/log/platform_err_crash_%p.log
2CIUSERARG -XX:+PrintGCDetails
2CIUSERARG -XX:+PrintGCDateStamps
2CIUSERARG -Xloggc:/usr/local/se/log/gclogs_%p.log
2CIUSERARG -Djava.endorsed.dirs=/usr/local/se/apps/tomcat/endorsed
2CIUSERARG -Djava.class.path=/usr/local/se/apps/tomcat/bin/bootstrap.jar:/usr/local/se/apps/tomcat/bin/tomcat-juli.jar
2CIUSERARG -Dcatalina.base=/usr/local/se/apps/tomcat
2CIUSERARG -Dcatalina.home=/usr/local/se/apps/tomcat
2CIUSERARG -Djava.io.tmpdir=/usr/local/se/apps/tomcat/temp
2CIUSERARG -Dsun.java.command=org.apache.catalina.startup.Bootstrap start
2CIUSERARG -Dsun.java.launcher=SUN_STANDARD
2CIUSERARG -Dsun.java.launcher.pid=54545
NULL
1CIUSERLIMITS User Limits (in bytes except for NOFILE and NPROC)
NULL ------------------------------------------------------------------------
NULL type soft limit hard limit
2CIUSERLIMIT RLIMIT_AS unlimited unlimited
2CIUSERLIMIT RLIMIT_CORE 0 unlimited
2CIUSERLIMIT RLIMIT_CPU unlimited unlimited
2CIUSERLIMIT RLIMIT_DATA unlimited unlimited
2CIUSERLIMIT RLIMIT_FSIZE unlimited unlimited
2CIUSERLIMIT RLIMIT_LOCKS unlimited unlimited
2CIUSERLIMIT RLIMIT_MEMLOCK 83968000 83968000
2CIUSERLIMIT RLIMIT_NOFILE 200000 200000
2CIUSERLIMIT RLIMIT_NPROC unlimited unlimited
2CIUSERLIMIT RLIMIT_RSS unlimited unlimited
2CIUSERLIMIT RLIMIT_STACK 8388608 unlimited
2CIUSERLIMIT RLIMIT_MSGQUEUE 819200 819200
2CIUSERLIMIT RLIMIT_NICE 0 0
2CIUSERLIMIT RLIMIT_RTPRIO 0 0
2CIUSERLIMIT RLIMIT_SIGPENDING 15638 15638
NULL
1CIENVVARS Environment Variables
NULL ------------------------------------------------------------------------
2CIENVVAR TERM=xterm
2CIENVVAR CATALINA_HOME=/usr/local/se/apps/tomcat
2CIENVVAR NLS_LANG=BRAZILIAN PORTUGUESE_BRAZIL.WE8MSWIN1252
2CIENVVAR SYSTEMCTL_SKIP_REDIRECT=
2CIENVVAR LC_ALL=pt_BR
2CIENVVAR JAVA_OPTS=-Xmx1024m -XX:MaxMetaspaceSize=128m -Djava.awt.headless=true
2CIENVVAR LD_LIBRARY_PATH=/usr/local/se/apps/oracle-client
2CIENVVAR TNS_ADMIN=/usr/local/se/apps/oracle-client
2CIENVVAR PATH=/sbin:/usr/sbin:/bin:/usr/bin
2CIENVVAR PWD=/
2CIENVVAR JAVA_HOME=/usr/local/se/apps/java/jdk8u222-b10
2CIENVVAR LANG=pt_BR
2CIENVVAR CATALINA_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,address=8001,server=y,suspend=n -Dcom.sun.management.jmxremote=true -Dcom.sun.management.jmxremote.port=9090 -Dcom.sun.management.jmxremote.rmi.port=9090 -Dcom.sun.management.jmxremote.local.only=false -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Djava.rmi.server.hostname=localhost -XX:ErrorFile=/usr/local/se/log/platform_err_crash_%p.log -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:/usr/local/se/log/gclogs_%p.log
2CIENVVAR SHLVL=2
2CIENVVAR LC_CTYPE=ISO-8859-1
2CIENVVAR SYSTEMCTL_IGNORE_DEPENDENCIES=
2CIENVVAR ORACLE_HOME=/usr/local/se/apps/oracle-client
2CIENVVAR _=/usr/local/se/apps/java/jdk8u222-b10/bin/java
2CIENVVAR HOME=
NULL
1CISYSINFO System Information
NULL ------------------------------------------------------------------------
2CISYSINFO Hypervisor name = Hyper-V
2CISYSINFO /proc/sys/kernel/core_pattern = core
2CISYSINFO /proc/sys/kernel/core_uses_pid = 0
NULL
1CICPUINFO CPU Information
NULL ------------------------------------------------------------------------
2CIPHYSCPU Physical CPUs: 3
2CIONLNCPU Online CPUs: 3
2CIBOUNDCPU Bound CPUs: 3
2CIACTIVECPU Active CPUs: 0
2CITARGETCPU Target CPUs: 3
NULL
1CICGRPINFO Cgroup Information
NULL ------------------------------------------------------------------------
2CICGRPINFO subsystem : cpuset
2CICGRPINFO cgroup name : /
3CICGRPINFO CPU exclusive : 0
3CICGRPINFO Mem exclusive : 0
3CICGRPINFO CPUs : 0-2
3CICGRPINFO Mems : 0
2CICGRPINFO subsystem : memory
2CICGRPINFO cgroup name : /
3CICGRPINFO Memory Limit : Not Set
3CICGRPINFO Memory + Swap Limit : Not Set
3CICGRPINFO Memory Usage : 2825285632 bytes
3CICGRPINFO Memory + Swap Usage : 2825281536 bytes
3CICGRPINFO Memory Max Usage : 3476606976 bytes
3CICGRPINFO Memory + Swap Max Usage : 3476606976 bytes
3CICGRPINFO Memory limit exceeded count : 0
3CICGRPINFO Memory + Swap limit exceeded count : 0
3CICGRPINFO OOM Killer Disabled : 0
3CICGRPINFO Under OOM : 0
2CICGRPINFO subsystem : cpu
2CICGRPINFO cgroup name : /
3CICGRPINFO CPU Period : 100000 microseconds
3CICGRPINFO CPU Quota : Not Set
3CICGRPINFO CPU Shares : 1024
3CICGRPINFO Period intervals elapsed count : 0
3CICGRPINFO Throttled count : 0
3CICGRPINFO Total throttle time : 0 nanoseconds
NULL
NULL ------------------------------------------------------------------------
0SECTION NATIVEMEMINFO subcomponent dump routine
NULL =================================
0MEMUSER
1MEMUSER JRE: 2,083,821,918 bytes / 93947 allocations
1MEMUSER |
2MEMUSER +--VM: 1,520,901,302 bytes / 88825 allocations
2MEMUSER | |
3MEMUSER | +--Classes: 189,760,160 bytes / 11927 allocations
2MEMUSER | |
3MEMUSER | +--Memory Manager (GC): 1,101,772,744 bytes / 3251 allocations
3MEMUSER | | |
4MEMUSER | | +--Java Heap: 1,073,803,264 bytes / 1 allocation
3MEMUSER | | |
4MEMUSER | | +--Other: 27,969,480 bytes / 3250 allocations
2MEMUSER | |
3MEMUSER | +--Threads: 83,974,742 bytes / 1321 allocations
3MEMUSER | | |
4MEMUSER | | +--Java Stack: 7,789,168 bytes / 259 allocations
3MEMUSER | | |
4MEMUSER | | +--Native Stack: 74,317,824 bytes / 260 allocations
3MEMUSER | | |
4MEMUSER | | +--Other: 1,867,750 bytes / 802 allocations
2MEMUSER | |
3MEMUSER | +--Trace: 2,262,616 bytes / 994 allocations
2MEMUSER | |
3MEMUSER | +--JVMTI: 6,806,024 bytes / 63280 allocations
3MEMUSER | | |
4MEMUSER | | +--JVMTI Allocate(): 6,761,576 bytes / 63249 allocations
3MEMUSER | | |
4MEMUSER | | +--Other: 44,448 bytes / 31 allocations
2MEMUSER | |
3MEMUSER | +--JNI: 2,431,312 bytes / 6094 allocations
2MEMUSER | |
3MEMUSER | +--Port Library: 130,819,968 bytes / 129 allocations
3MEMUSER | | |
4MEMUSER | | +--Unused <32bit allocation regions: 130,799,920 bytes / 1 allocation
3MEMUSER | | |
4MEMUSER | | +--Other: 20,048 bytes / 128 allocations
2MEMUSER | |
3MEMUSER | +--Other: 3,073,736 bytes / 1829 allocations
1MEMUSER |
2MEMUSER +--JIT: 460,598,208 bytes / 4838 allocations
2MEMUSER | |
3MEMUSER | +--JIT Code Cache: 268,435,456 bytes / 1 allocation
2MEMUSER | |
3MEMUSER | +--JIT Data Cache: 125,832,960 bytes / 60 allocations
2MEMUSER | |
3MEMUSER | +--Other: 66,329,792 bytes / 4777 allocations
1MEMUSER |
2MEMUSER +--Class Libraries: 102,322,408 bytes / 284 allocations
2MEMUSER | |
3MEMUSER | +--VM Class Libraries: 102,322,408 bytes / 284 allocations
3MEMUSER | | |
4MEMUSER | | +--sun.misc.Unsafe: 101,301,656 bytes / 36 allocations
4MEMUSER | | | |
5MEMUSER | | | +--Direct Byte Buffers: 40,232 bytes / 9 allocations
4MEMUSER | | | |
5MEMUSER | | | +--Other: 101,261,424 bytes / 27 allocations
3MEMUSER | | |
4MEMUSER | | +--Other: 1,020,752 bytes / 248 allocations
NULL
NULL