Neo4j启动失败/usr/share/neo4j/bin/neo4j: line 411: /var/run/neo4j/neo4j.pid: No such file or directory

启动Neo4j报错如下：

root@yumh: neo4j restart

Neo4j not running

Starting Neo4j.

WARNING: Max 1024 open files allowed, minimum of 40000 recommended. See the Neo4j manual.

/usr/share/neo4j/bin/neo4j: 行 411: /var/run/neo4j/neo4j.pid: 没有那个文件或目录

检查该目录，并没有：

root@yumh: ll /var/run/neo4j

ls: 无法访问'/var/run/neo4j': 没有那个文件或目录

解决：

手动创建该目录

root@yumh: mkdir /var/run/neo4j

root@yumh: neo4j start

Active database: graph.db

Directories in use:

home: /var/lib/neo4j

config: /etc/neo4j

logs: /var/log/neo4j

plugins: /var/lib/neo4j/plugins

import: /var/lib/neo4j/import

data: /home/raini/app/tmp/neo4j/data

certificates: /var/lib/neo4j/certificates

run: /var/run/neo4j

Starting Neo4j.

WARNING: Max 1024 open files allowed, minimum of 40000 recommended. See the Neo4j manual.

Started neo4j (pid 31427). It is available at http://localhost:7474/
There may be a short delay until the server is ready.

See /var/log/neo4j/neo4j.log for current status.

在浏览器中输入
http://172.18.11.103:7474/