如何将 zookeeper 从 3.4.8 升级到 3.4.13?

How to upgrade zookeeper from from 3.4.8 to 3.4.13?

我正在尝试将 zookeeper 从 3.4.8 升级到 3.4.13。

升级前/usr/lib/zookeeper

的内容
drwxr-xr-x  5 root root 4.0K Aug 23 08:39 .
drwxr-xr-x 77 root root  12K Aug 23 08:50 ..
drwxr-xr-x  2 root root 4.0K Aug 23 08:39 bin
lrwxrwxrwx  1 root root   19 May 24 11:25 conf -> /etc/zookeeper/conf
drwxr-xr-x  2 root root 4.0K Aug 23 08:39 lib
-rw-r--r--  1 root root  12K May 24 11:25 LICENSE.txt
-rw-r--r--  1 root root  170 May 24 11:25 NOTICE.txt
-rw-r--r--  1 root root 1.3M Aug 23 08:39 zookeeper-3.4.8.jar
lrwxrwxrwx  1 root root   38 Aug 23 08:39 zookeeper.jar -> /usr/lib/zookeeper/zookeeper-3.4.8.jar

answer I have downloaded the zookeeper from this link 所述,将 zookeeper-3.4.13.jar 放在 /usr/lib/zookeeper 中,并指向符号 link,如下所示

lrwxrwxrwx  1 root root   39 Aug 30 03:19 zookeeper.jar -> /usr/lib/zookeeper/zookeeper-3.4.13.jar

但是在重启 zookeeper 后检查状态,它仍然指向 3.4.8

ubuntu@vrni-platform:/etc/zookeeper/conf$ telnet localhost 2181
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
status
Zookeeper version: 3.4.8--1, built on 02/06/2016 03:18 GMT

这似乎是因为从 /usr/lib/zookeeper/bin/zkEnv.sh

加载 jar 的方式
#release tarball format
for i in "$ZOOBINDIR"/../zookeeper-*.jar
do
  CLASSPATH="$i:$CLASSPATH"
done

有人可以告诉我这个已知问题是 zkEnv.sh 吗?这是预期的吗?

zookeeper mailing list 中已经回答了这个问题。我们不应该在 CLASSPATH.

中有多个 zookeeper-<version>.jar