rocketmq启动失败（nohupbinmqnamesrv），没有⽇志产⽣
问题: nohup bin/mqnamesrv &启动NameServer失败，使⽤tail -f ~/logs/rocketmqlogs/namesrv.log⽆⽇志
排除rocketmq⽬录下产⽣很多⽇志hs_err_pidxxx.log
重要信息：Out of Memory Error (os_linux.cpp:2640), pid=8937, tid=0x00007f923a086700
原因：
RocketMQ默认的虚拟机内存较⼤，启动Broker如果因为内存不⾜失败，需要编辑如下两个配置⽂件，修改JVM内存⼤⼩
编辑runbroker.sh和runserver.sh修改默认JVM⼤⼩
vi runserver.sh (配置NameServer)
vi runbroker.sh (配置Broker)
重启⼀下
参考设置：
JAVA_OPT="${JAVA_OPT} -server -Xms256m -Xmx256m -Xmn128m -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=320m"
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 2147483648 bytes for committing reserved memory.
# Possible reasons:
# The system is out of physical RAM or swap space
# In 32 bit mode, the process size limit was hit
# Possible solutions:
# Reduce memory load on the system
# Increase physical memory or swap space
# Check if swap backing store is full
# Use 64 bit Java on a 64 bit OS
# Decrease Java heap size (-Xmx/-Xms)
# Decrease number of Java threads
# Decrease Java thread stack sizes (-Xss)
# Set larger code cache with -XX:ReservedCodeCacheSize=
# This output file may be truncated or incomplete.
#
# Out of Memory Error (os_linux.cpp:2640), pid=8937, tid=0x00007f923a086700
#
# JRE version:(8.0_171-b11)(build )
# Java VM: Java HotSpot(TM)64-Bit Server VM (25.171-b11 mixed mode linux-amd64 compressed oops)
# Failed to write core dump. Core dumps have been disabled. To enable core dumping,try"ulimit -c unlimited" before starting Java again
#
中国橱柜十大品牌--------------- T H R E A D ---------------
Current thread (0x00007f923400a000): JavaThread "Unknown thread"[_thread_in_vm, id=8938,stack(0x00007f9239f87000,0x00007f923a087000)]
Stack:[0x00007f9239f87000,0x00007f923a087000], sp=0x00007f923a0853f0, free space=1016k
Native frames:(J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0xacfffa] VMError::report_and_die()+0x2ba
V [libjvm.so+0x5005cb]report_vm_out_of_memory(char const*,int, unsigned long, VMErrorType,char const*)+0x8b
V [libjvm.so+0x92dd93] os::Linux::commit_memory_impl(char*, unsigned long, bool)+0x123
V [libjvm.so+0x92dd93] os::Linux::commit_memory_impl(char*, unsigned long, bool)+0x123
V [libjvm.so+0x92dfb9] os::pd_commit_memory(char*, unsigned long, unsigned long, bool)+0x29
V [libjvm.so+0x92527a] os::commit_memory(char*, unsigned long, unsigned long, bool)+0x2a杉木家具的优缺点
V [libjvm.so+0xacbcd9] VirtualSpace::expand_by(unsigned long, bool)+0x199
V [libjvm.so+0xacc82e] VirtualSpace::initialize(ReservedSpace, unsigned long)+0xee
V [libjvm.so+0x5fe7ed] Generation::Generation(ReservedSpace, unsigned long,int)+0xbd
V [libjvm.so+0x505756] DefNewGeneration::DefNewGeneration(ReservedSpace, unsigned long,int,char const*)+0x46
V [libjvm.so+0x5fff85] GenerationSpec::init(ReservedSpace,int, GenRemSet*)+0x275暑假计划表 小学生
V [libjvm.so+0x5eebde] GenCollectedHeap::initialize()+0x1de
V [libjvm.so+0xa98033] Universe::initialize_heap()+0xf3
V [libjvm.so+0xa9859e]universe_init()+0x3e
V [libjvm.so+0x642105]init_globals()+0x65
V [libjvm.so+0xa7cd4e] Threads::create_vm(JavaVMInitArgs*, bool*)+0x23e
V [libjvm.so+0x6d6e44] JNI_CreateJavaVM+0x74
outlook怎么发邮件C [libjli.so+0x797e] JavaMain+0x9e
C [libpthread.so.0+0x7ea5] start_thread+0xc5
--------------- P R O C E S S ---------------
Java Threads:(=> current thread )
Other Threads:
=>0x00007f923400a000(exited) JavaThread "Unknown thread"[_thread_in_vm, id=8938,stack(0x00007f9239f87000,0x00007f923a087000)] VM state:not at safepoint (not fully initialized)
VM Mutex/Monitor currently owned by a thread: None
GC Heap History (0 events):
No events
Deoptimization events (0 events):
No events
Classes redefined (0 events):
No events
Internal exceptions (0 events):
No events
Events (0 events):
No events
Dynamic libraries:
00400000-00401000 r-xp 00000000 fd:01133224/usr/local/java/jdk1.8.0_171/bin/java
00600000-00601000 rw-p 00000000 fd:01133224/usr/local/java/jdk1.8.0_171/bin/java
020c1000-020e2000 rw-p 0000000000:000[heap]
76c800000-7ec800000 ---p 0000000000:000
7f9223835000-7f92239cd000 rw-p 0000000000:000
7f92239cd000-7f92241cd000 ---p 0000000000:000
7f92241cd000-7f92241d8000 rw-p 0000000000:000
7f92241d8000-7f922458e000---p 0000000000:000
7f922458e000-7f92247f e000 rwxp 0000000000:000
7f92247f e000-7f923358e000---p 0000000000:000
7f923358e000-7f92335a9000 r-xp 00000000 fd:01401077/usr/local/java/jdk1.8.0_171/jre/lib/amd64/libzip.so
7f92335a9000-7f92337a9000 ---p 0001b000 fd:01401077/usr/local/java/jdk1.8.0_171/jre/lib/amd64/libzip.so
7f92337a9000-7f92337aa000 rw-p 0001b000 fd:01401077/usr/local/java/jdk1.8.0_171/jre/lib/amd64/libzip.so
7f92337aa000-7f92337b6000 r-xp 00000000 fd:01663465/usr/lib64/libnss_files-2.17.so
7f92337b6000-7f92339b5000 ---p 0000c000 fd:01663465/usr/lib64/libnss_files-2.17.so
7f92339b5000-7f92339b6000 r--p 0000b000 fd:01663465/usr/lib64/libnss_files-2.17.so
7f92339b6000-7f92339b7000 rw-p 0000c000 fd:01663465/usr/lib64/libnss_files-2.17.so
7f92339b7000-7f92339bd000 rw-p 0000000000:000
7f92339bd000-7f92339e8000 r-xp 00000000 fd:01401071/usr/local/java/jdk1.8.0_171/jre/lib/amd64/libjava.so
7f92339bd000-7f92339e8000 r-xp 00000000 fd:01401071/usr/local/java/jdk1.8.0_171/jre/lib/amd64/libjava.so
7f92339e8000-7f9233be7000 ---p 0002b000 fd:01401071/usr/local/java/jdk1.8.0_171/jre/lib/amd64/libjava.so
7f9233be7000-7f9233be9000 rw-p 0002a000 fd:01401071/usr/local/java/jdk1.8.0_171/jre/lib/amd64/libjava.so
7f9233be9000-7f9233bf6000 r-xp 00000000 fd:01401076/usr/local/java/jdk1.8.0_171/jre/lib/amd64/libverify.so
7f9233bf6000-7f9233d f6000 ---p 0000d000 fd:01401076/usr/local/java/jdk1.8.0_171/jre/lib/amd64/libverify.so
7f9233d f6000-7f9233d f8000 rw-p 0000d000 fd:01401076/usr/local/java/jdk1.8.0_171/jre/lib/amd64/libverify.so
7f9233d f8000-7f9233d ff000 r-xp 00000000 fd:01663468/usr/lib64/librt-2.17.so
7f9233d ff000-7f9233f fe000 ---p 00007000 fd:01663468/usr/lib64/librt-2.17.so
7f9233f fe000-7f9233f ff000 r--p 00006000 fd:01663468/usr/lib64/librt-2.17.so
7f9233f ff000-7f9234000000 rw-p 00007000 fd:01663468/usr/lib64/librt-2.17.so
7f9234000000-7f9234032000 rw-p 0000000000:000
7f9234032000-7f9238000000---p 0000000000:000
7f9238080000-7f9238170000 rw-p 0000000000:000
7f9238170000-7f9238271000 r-xp 00000000 fd:01663462/usr/lib64/libm-2.17.so
7f9238271000-7f9238470000---p 00101000 fd:01663462/usr/lib64/libm-2.17.so
7f9238470000-7f9238471000 r--p 00100000 fd:01663462/usr/lib64/libm-2.17.so
7f9238471000-7f9238472000 rw-p 00101000 fd:01663462/usr/lib64/libm-2.17.so
7f9238472000-7f923914b000 r-xp 00000000 fd:01670356/usr/local/java/jdk1.8.0_171/jre/lib/amd64/server/libjvm.so
7f923914b000-7f923934a000 ---p 00cd9000 fd:01670356/usr/local/java/jdk1.8.0_171/jre/lib/amd64/server/libjvm.so
7f923934a000-7f9239424000 rw-p 00cd8000 fd:01670356/usr/local/java/jdk1.8.0_171/jre/lib/amd64/server/libjvm.so
7f9239424000-7f923946f000 rw-p 0000000000:000
7f923946f000-7f9239633000 r-xp 00000000 fd:01657568/usr/lib64/libc-2.17.so
7f9239633000-7f9239832000---p 001c4000 fd:01657568/usr/lib64/libc-2.17.so
7f9239832000-7f9239836000 r--p 001c3000 fd:01657568/usr/lib64/libc-2.17.so
7f9239836000-7f9239838000 rw-p 001c7000 fd:01657568/usr/lib64/libc-2.17.so
7f9239838000-7f923983d000 rw-p 0000000000:000
7f923983d000-7f923983f000 r-xp 00000000 fd:01663461/usr/lib64/libdl-2.17.so
7f923983f000-7f9239a3f000 ---p 00002000 fd:01663461/usr/lib64/libdl-2.17.so
7f9239a3f000-7f9239a40000 r--p 00002000 fd:01663461/usr/lib64/libdl-2.17.so
7f9239a40000-7f9239a41000 rw-p 00003000 fd:01663461/usr/lib64/libdl-2.17.so
7f9239a41000-7f9239a57000 r-xp 00000000 fd:01134367/usr/local/java/jdk1.8.0_171/lib/amd64/jli/libjli.so
7f9239a57000-7f9239c56000 ---p 00016000 fd:01134367/usr/local/java/jdk1.8.0_171/lib/amd64/jli/libjli.so
7f9239c56000-7f9239c57000 rw-p 00015000 fd:01134367/usr/local/java/jdk1.8.0_171/lib/amd64/jli/li
bjli.so
7f9239c57000-7f9239c6e000 r-xp 00000000 fd:01657594/usr/lib64/libpthread-2.17.so
7f9239c6e000-7f9239e6d000---p 00017000 fd:01657594/usr/lib64/libpthread-2.17.so
7f9239e6d000-7f9239e6e000 r--p 00016000 fd:01657594/usr/lib64/libpthread-2.17.so
7f9239e6e000-7f9239e6f000 rw-p 00017000 fd:01657594/usr/lib64/libpthread-2.17.so
7f9239e6f000-7f9239e73000 rw-p 0000000000:000
7f9239e73000-7f9239e95000 r-xp 00000000 fd:01657554/usr/lib64/ld-2.17.so
7f9239f7e000-7f9239f86000 rw-s 00000000 fd:01657587/tmp/hsperfdata_root/8937
7f9239f86000-7f9239f8a000 ---p 0000000000:000
7f9239f8a000-7f923a08b000 rw-p 0000000000:000
7f923a08d000-7f923a092000 rw-p 0000000000:000
7f923a092000-7f923a093000 r--p 0000000000:000
7f923a093000-7f923a094000 rw-p 0000000000:000
7f923a094000-7f923a095000 r--p 00021000 fd:01657554/usr/lib64/ld-2.17.so
7f923a095000-7f923a096000 rw-p 00022000 fd:01657554/usr/lib64/ld-2.17.so
7f923a096000-7f923a097000 rw-p 0000000000:000
7f fe3c045000-7f fe3c066000 rw-p 0000000000:000[stack]
7f fe3c0b1000-7f fe3c0b3000 r-xp 0000000000:000[vdso]
ffffffffff600000-ffffffffff601000 r-xp 0000000000:000[vsyscall]
VM Arguments:
jvm_args:-Xms4g -Xmx4g -Xmn2g -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=320m -XX:+UseConcMarkSweepGC -XX:+UseCMSCompactAtFull Collection -XX:CMSInitiatingOccupancyFraction=70-XX:+CMSParallelRemarkEnabled -XX:SoftRefLRUPolicyM
SPerMB=0-XX:+CMSClassUnloadingEnable d -XX:SurvivorRatio=8-XX:-UseParNewGC -verbose:gc -Xloggc:/dev/shm/rmq_srv_gc.log -XX:+PrintGCDetails -XX:-OmitStackTraceInFastThrow -XX:-Use LargePages -dirs=/usr/local/java/jdk1.8.0_171/jre/lib/ext:/usr/local/rocketmq/rocket-4.4/bin/../lib
java_command: ketmq.namesrv.NamesrvStartup
java_class_path (initial):.:/usr/local/rocketmq/rocket-4.4/bin/../conf:
高速路免费时间规定2023Launcher Type: SUN_STANDARD
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