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java.lang.reflect.InvocationTargetException
# 移除docker旧版本
docker version
yum -y remove docker*
# 安装依赖
yum install -y yum-utils device-mapper-persistent-data lvm2
# 安装源
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
# 查看最新版本
yum list docker-ce --showduplicates | sort -r
docker-ce.x86_64 3:26.1.4-1.el7 docker-ce-stable
# 安装最新版本
yum install docker-ce-26.1.4-1.el7 -y
默认安装的是最高版本 25.0.3-1.el7
yum -y install docker-ce-25.0.3-1.el7
注：版本号是 25.0.3-1.el7，
# 在线安装dataease v2
curl -sSL https://dataease.oss-cn-hangzhou.aliyuncs.com/quick_start_v2.sh | sh
cd /opt/dataease2.0/conf
vi application.yml
```
server:
tomcat:
connection-timeout: 70000
servlet:
context-path: /dataease
```
cd ..
vi .env
最后一行增加：
DE_CONTEXT_PATH=/dataease
# 重新启动
dectl restart
默认用户名 admin
密码 DataEase@123456
# 访问报异常， ，
http://www.wmarkj.com:28100/dataease
可以正常进行， ，
# 在备份机上执行
dectl backup
# 将生成的文件拷贝到目标机上
# 在目标机上执行
dectl restore
