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目录

1. 环境

2. 安装

3. 报错

4. 排查

5. mqnamesrv.cmd修改后的内容，供参考：

6. 同理修改runbroker.cmd

1. 环境

windows10

jdk17

rocketmq4.9.2

2. 安装

下载压缩包

https://www.apache.org/dyn/closer.cgi?path=rocketmq/4.9.2/rocketmq-all-4.9.2-bin-release.zip

3. 报错

3.1 报错一些Java opt属性错误，按照命令行提示，进行删除或注释，即可

3.2 找不到主类

4. 排查

4.1 检查java环境   =====》 正常

4.2 安装目录是否有空格  =====》 无

4.3 是否配置ROCKETMQ_HOME环境变量  =====》已经配置

4.4 经过以上几步后，没想到其他的情况，各种百度查，结果都是说，java安装目录有空格啥的，没用。

后来耐着性子，认真看了下mqnamesrv.cmd的文件，尝试着把classpath的lib包路径加上，就可以了。

5. mqnamesrv.cmd修改后的内容，供参考：

@echo off
rem Licensed to the Apache Software Foundation (ASF) under one or more
rem contributor license agreements.  See the NOTICE file distributed with
rem this work for additional information regarding copyright ownership.
rem The ASF licenses this file to You under the Apache License, Version 2.0
rem (the "License"); you may not use this file except in compliance with
rem the License.  You may obtain a copy of the License at
rem
rem     http://www.apache.org/licenses/LICENSE-2.0
rem
rem Unless required by applicable law or agreed to in writing, software
rem distributed under the License is distributed on an "AS IS" BASIS,
rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rem See the License for the specific language governing permissions and
rem limitations under the License.


if not exist "%JAVA_HOME%\bin\java.exe" echo Please set the JAVA_HOME variable in your environment, We need java(x64)! & EXIT /B 1
set "JAVA=%JAVA_HOME%\bin\java.exe"

setlocal

set BASE_DIR=%~dp0
set BASE_DIR=%BASE_DIR:~0,-1%
for %%d in (%BASE_DIR%) do set BASE_DIR=%%~dpd

set CLASSPATH=.;%BASE_DIR%\lib\*;%BASE_DIR%conf;"%CLASSPATH%"

set "JAVA_OPT=%JAVA_OPT% -server -Xms2g -Xmx2g -Xmn1g -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=320m"
rem set "JAVA_OPT=%JAVA_OPT% -XX:+UseConcMarkSweepGC -XX:+UseCMSCompactAtFullCollection -XX:CMSInitiatingOccupancyFraction=70 -XX:+CMSParallelRemarkEnabled -XX:SoftRefLRUPolicyMSPerMB=0 -XX:+CMSClassUnloadingEnabled -XX:SurvivorRatio=8 -XX:-UseParNewGC"
set "JAVA_OPT=%JAVA_OPT% -verbose:gc -Xloggc:"%USERPROFILE%\rmq_srv_gc.log" -XX:+PrintGCDetails"
set "JAVA_OPT=%JAVA_OPT% -XX:-OmitStackTraceInFastThrow"
set "JAVA_OPT=%JAVA_OPT% -XX:-UseLargePages"
rem set "JAVA_OPT=%JAVA_OPT% -Djava.ext.dirs=%BASE_DIR%lib;%JAVA_HOME%\jre\lib\ext"
set "JAVA_OPT=%JAVA_OPT% -cp "%CLASSPATH%""

"%JAVA%" %JAVA_OPT% %*

重点修改：set CLASSPATH=.;%BASE_DIR%\lib\*;%BASE_DIR%conf;”%CLASSPATH%”

6. 同理修改runbroker.cmd

@echo off
rem Licensed to the Apache Software Foundation (ASF) under one or more
rem contributor license agreements.  See the NOTICE file distributed with
rem this work for additional information regarding copyright ownership.
rem The ASF licenses this file to You under the Apache License, Version 2.0
rem (the "License"); you may not use this file except in compliance with
rem the License.  You may obtain a copy of the License at
rem
rem     http://www.apache.org/licenses/LICENSE-2.0
rem
rem Unless required by applicable law or agreed to in writing, software
rem distributed under the License is distributed on an "AS IS" BASIS,
rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rem See the License for the specific language governing permissions and
rem limitations under the License.

if not exist "%JAVA_HOME%\bin\java.exe" echo Please set the JAVA_HOME variable in your environment, We need java(x64)! & EXIT /B 1
set "JAVA=%JAVA_HOME%\bin\java.exe"

setlocal

set BASE_DIR=%~dp0
set BASE_DIR=%BASE_DIR:~0,-1%
for %%d in (%BASE_DIR%) do set BASE_DIR=%%~dpd

set CLASSPATH=.;%BASE_DIR%\lib\*;%BASE_DIR%conf;%CLASSPATH%

rem ===========================================================================================
rem  JVM Configuration
rem ===========================================================================================
set "JAVA_OPT=%JAVA_OPT% -server -Xms2g -Xmx2g"
set "JAVA_OPT=%JAVA_OPT% -XX:+UseG1GC -XX:G1HeapRegionSize=16m -XX:G1ReservePercent=25 -XX:InitiatingHeapOccupancyPercent=30 -XX:SoftRefLRUPolicyMSPerMB=0 -XX:SurvivorRatio=8"
set "JAVA_OPT=%JAVA_OPT% -verbose:gc -Xloggc:%USERPROFILE%\mq_gc.log -XX:+PrintGCDetails"
set "JAVA_OPT=%JAVA_OPT% -XX:-OmitStackTraceInFastThrow"
set "JAVA_OPT=%JAVA_OPT% -XX:+AlwaysPreTouch"
set "JAVA_OPT=%JAVA_OPT% -XX:MaxDirectMemorySize=15g"
set "JAVA_OPT=%JAVA_OPT% -XX:-UseLargePages -XX:-UseBiasedLocking"
rem set "JAVA_OPT=%JAVA_OPT% -Djava.ext.dirs=%BASE_DIR%lib;%JAVA_HOME%\jre\lib\ext"
set "JAVA_OPT=%JAVA_OPT% -cp %CLASSPATH%"

"%JAVA%" %JAVA_OPT% %*