【Spring-Cloud】Nacos2.0.3版本 叢集部署問題彙總
阿新 • • 發佈:2022-01-16
1、強制要求JDK8版本 且 64位
C:\Users\Administrator\Desktop\Nacos-Server\Nacos-2.0.3-8848\bin>java -version java version "1.8.0_291" Java(TM) SE Runtime Environment (build 1.8.0_291-b10) Java HotSpot(TM) 64-Bit Server VM (build 25.291-b10, mixed mode)
如果裝的不是64位,對8起,請解除安裝然後安裝64位
不然啟動就會報這種錯誤
java.lang.UnsupportedOperationException: Cannot determine JNI library; name forARCH='x86' OS= 'windows 10' name= 'rocksdb'
安裝了64位的JDK還不行,還需要細緻的配置環境變數:
Java目錄變數
JAVA_HOME C:\Program Files\Java\jdk1.8.0_291
Path變數
%JAVA_HOME%jdk1.8.0_291
類路徑變數
CLASS_PATH
.;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\dt.jar
Nacos這裡給的提示資訊不夠,就是說JAVA_HOME要配置,其實包括CLASS_PATH也是要配置的:
Please set the JAVA_HOME variable in your enviroment, We need java(x64) ! jdk8 or later is better !
2、記憶體不夠?
一般涉及JVM多半是引數決定,那引數在哪?一看啟動指令碼,才發現要了這麼多記憶體
引數瞎改改就能跑
Java HotSpot(TM) 64-Bit Server VM warning: MaxNewSize (1048576k) is equal to or greater than the entire heap (1048576k). A new max generation size of 1048064k will be used.
3、叢集配置:
C:\Users\Administrator\Desktop\Nacos-Server\Nacos-2.0.3-8846\conf\cluster.conf
IP設定:
127.0.0.1:8848 127.0.0.1:8847 127.0.0.1:8846
4、資料來源配置和例項埠:
每個例項只配置自己的埠
server.port=8846
spring.datasource.platform=mysql db.num=1 db.url.0=jdbc:mysql://192.168.2.225:3308/nacos-config?characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true&useUnicode=true&useSSL=false&serverTimezone=UTC db.user.0=root db.password.0=123456
啟動成功!
2022-01-15 21:25:28,023 INFO Nacos started successfully in cluster mode. use external storage