使用jmeter插件进行Nagios测试失败，并导致CRITICAL失败：... java.util.prefs.FileSystemPreferences $ 1运行
格留
对于具有5.4.0-42通用内核，Nagios 4.4.6，Java 1.8.0_265，Jmeter 5.3的全新安装和升级的Lubuntu 20.04，已重现此问题。
手动运行此插件时：
user@ubuntu:~$ /usr/bin/perl /usr/local/nagios/libexec/jmeter.pl -j=/usr/local/nagios/share/jmeter -p=/usr/local/nagios/libexec/test.jmx -t 80 -w 90 -c 100
OK : | sum_time=26.91
user@ubuntu:~$ echo $#
0
通过使用进行相同的操作sudo，获得与上述屏幕截图相同的结果，但无法再次重现：
$ sudo /usr/bin/perl /usr/local/nagios/libexec/jmeter.pl -j=/usr/local/nagios/share/jmeter -p=/usr/local/nagios/libexec/test.jmx -t 80 -w 90 -c 100
[sudo] password for user:
CRITICAL: 'java -server -jar /usr/local/nagios/share/jmeter/bin/ApacheJMeter.jar --nongui --propfile /usr/local/nagios/share/jmeter/bin/jmeter.properties --testfile /usr/local/nagios/libexec/test.jmx --logfile /tmp/1597861570.41537.jtl' exit with wait status of 0 Errors Aug 19, 2020 9:26:21 PM java.util.prefs.FileSystemPreferences$1 run
INFO: Created user preferences directory.
为了获得更详细的输出，我在nagios.cfg文件（debug_level=-1）中启用了调试功能：
[1597866795.863118] [001.0] [pid=44433] handle_async_service_check_result()
[1597866795.863907] [016.0] [pid=44433] ** Handling ACTIVE async check result for service 'Test production jmeter test' on host 'test.company.com' from 'Core Worker 44437'... current state 2 last_hard_state 2
[1597866795.864002] [016.1] [pid=44433] * OPTIONS: 0, SCHEDULED: 1, RESCHEDULE: 1, EXITED OK: 1, RETURN CODE: 2, OUTPUT:
CRITICAL: 'java -server -jar /usr/local/nagios/share/jmeter/bin/ApacheJMeter.jar --nongui --propfile /usr/local/nagios/share/jmeter/bin/jmeter.properties --testfile /usr/local/nagios/libexec/test.jmx --logfile /tmp/1597866748.44494.jtl' exit with wait status of 0 Errors Aug 19, 2020 10:52:34 PM java.util.prefs.FileSystemPreferences$1 run
WARNING: Couldn't create user preferences directory. User preferences are unusable.
Aug 19, 2020 10:52:34 PM java.util.prefs.FileSystemPreferences$1 run
WARNING: java.io.IOException: No such file or directory
Aug 19, 2020 10:53:06 PM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode
WARNING: Could not lock User prefs. Unix error code 2.
Aug 19, 2020 10:53:06 PM java.util.prefs.FileSystemPreferences syncWorld
WARNING: Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock.
[1597866795.864097] [001.0] [pid=44433] get_service_check_return_code()
[1597866795.864135] [016.1] [pid=44433] Service is in a non-OK state!
[1597866795.864262] [016.1] [pid=44433] Host is currently UP, so we'll recheck its state to make sure...
[1597866795.864337] [016.1] [pid=44433] Service was NOT OK at last check (CRITICAL).
[1597866795.864374] [016.1] [pid=44433] Service is still in a non-OK state (CRITICAL)!
格留
搜寻
WARNING: Could not lock User prefs. Unix error code 2
通过查看调试日志文件（sudo tail -F /usr/local/nagios/var/nagios.debug）获得的信息，我发现我需要创建/ home / nagios文件夹：
$ sudo mkdir /home/nagios
$ sudo chmod nagios:nagios /home/nagios
此后，在处理nagios服务的情况下，将创建下一个文件夹：
root@ubuntu:/home/nagios/.java# ls -ailh
total 0
100900054 drwxr-xr-x 4 nagios nagios 44 сер 19 23:23 .
67258544 drwxr-xr-x 3 nagios nagios 87 сер 19 23:24 ..
67261722 drwxr-xr-x 2 root root 52 сер 19 23:23 .systemPrefs
109430 drwx------ 3 nagios nagios 73 сер 19 23:23 .userPrefs
然后nagios开始显示OK状态：
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