单元 neo4j-service.service 加载失败

Question

先删除以前的版本后安装 neo4j 2.2.1。

service neo4j-service start

产生错误：

无法启动 neo4j-service.service：无法加载单元 neo4j-service.service：没有这样的文件或目录。

系统是：

系统：os => {"name"=>"Ubuntu", "family"=>"Debian", "release"=>{"major"=>"15.04", "full"=>"15.04"}, "lsb"=>{"distcodename"=>"vivid", "distid"=> "Ubuntu", "distdescription"=>"Ubuntu 15.04", "distrelease"=>"15.04", "majdistrelease"=>"15.04"}}

安装脚本的输出：

root@cb-8:~# aptitude install neo4j -y # Install Neo4j, community edition
The following NEW packages will be installed:
daemon{a} neo4j 
0 packages upgraded, 2 newly installed, 0 to remove and 0 not to upgrade.
Need to get 0 B/53.2 MB of archives. After unpacking 62.4 MB will be used.
Selecting previously unselected package daemon.
(Reading database ... 183856 files and directories currently installed.)
Preparing to unpack .../daemon_0.6.4-1_amd64.deb ...
Unpacking daemon (0.6.4-1) ...
Selecting previously unselected package neo4j.
Preparing to unpack .../archives/neo4j_2.2.1_all.deb ...
Unpacking neo4j (2.2.1) ...
Processing triggers for man-db (2.7.0.2-5) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for systemd (219-7ubuntu3) ...
Setting up daemon (0.6.4-1) ...
Setting up neo4j (2.2.1) ...
update-rc.d: error: initscript does not exist: /etc/init.d/neo4j-service
dpkg: error processing package neo4j (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
  neo4j
E: Sub-process /usr/bin/dpkg returned an error code (1)
Failed to perform requested operation on package.  Trying to recover:
Setting up neo4j (2.2.1) ...
update-rc.d: error: initscript does not exist: /etc/init.d/neo4j-service
dpkg: error processing package neo4j (--configure):
subprocess installed post-installation script returned error exit   status 1
Errors were encountered while processing:
  neo4j

root@cb-8:~# service neo4j-service status
● neo4j-service.service
Loaded: not-found (Reason: No such file or directory)
Active: inactive (dead)

/etc/init.d/neo4j-service确实存在。

lrwxrwxrwx 1 root root 36 Mar  5 17:28 /etc/init.d/neo4j-service -> /opt/neo4j-community-2.1.7/bin/neo4j

我没有想法，希望有人能给我指出正确的方向。

~ Ross

Answer 1

问题已解决。 2.2.1 仍在以某种方式 link 升级到 2.1.7。删除了虚假的 link 并且一切正常。

Answer 2

我有完全相同的错误。但是，如果安装 neo4j 的较新版本（在我的例子中是 3.3.0），则语法会有所不同。应该是：

service neo4j start

没有

service neo4j-service start

要仔细检查你可以这样做：

ls /etc/init.d | grep neo4j

在我的例子中，它找到 neo4j

单元 neo4j-service.service 加载失败

Unit neo4j-service.service failed to load

neo4j