[ZBX-16298] JMX, Solution for problem with same KEY in the same host, is optimal? Created: 2019 Jun 25  Updated: 2019 Jun 26  Resolved: 2019 Jun 26

Status: Closed
Project: ZABBIX BUGS AND ISSUES
Component/s: Java gateway (J), Server (S)
Affects Version/s: 4.0.9
Fix Version/s: None

Type: Problem report Priority: Minor
Reporter: Sistemes Assignee: Aleksandrs Petrovs-Gavrilovs
Resolution: Duplicate Votes: 0
Labels: items, usability
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Linux zabbixeqt 4.9.0-9-amd64 #1 SMP Debian 4.9.168-1+deb9u3 (2019-06-16) x86_64 GNU/Linux

description: Space-saving Computer
vendor: WYSE
version: Rev 1
width: 64 bits

Issue Links:
Duplicate
duplicates ZBXNEXT-1490 Unable to use same SNMP trap item key... Open

 Description   

Hello, I'm sorry but I do not know how to categorize this ...

We need to know that the solution is safe in the short and medium time, thank you. (we resume below)

In summary, we have many Java services in the same virtual machine, and each of these Java services has independent endpoints to monitor with JMX, but we need to monitor the same KEYS ...
For example:
jmx ["java.lang: type = ClassLoading", UnloadedClassCount]

The problem is that Zabbix does not accept more than one KEY on the same host, and we found a solution for this, but ...
We have found a solution, and this is to add a "blank space" in the key ... For example:
jmx ["java.lang: type = ClassLoading", UnloadedClassCount]
jmx ["java.lang: type = ClassLoading", UnloadedClassCount]
jmx ["java.lang: type = ClassLoading", UnloadedClassCount]
...

Of course, I do not understand exactly why this works, but my fears are that in the future, zabbix will be updated and ... Is posible this will stop working.
The question is, how safe is this method to be used?

Thank you

 Comments   
Comment by richlv [ 2019 Jun 25 ]

ZBXNEXT-1490 asks for a proper solution.
ZBXNEXT-1630 has a patch for a different approach (would also help with LLD).
ZBXNEXT-4677 will likely hurt you.

Comment by Aleksandrs Petrovs-Gavrilovs [ 2019 Jun 26 ]

Hello sistemes,

The ZBXNEXT's mentioned by richlv are indeed either similar or either connected to your issue, so i would strongly recommend voting for at least ZBXNEXT-1490, as it very close and asks for a proper solution. Others two could be quite useful while seeking for available solutions, so i would recommend also following them.

At the moment I will be closing the issue as a duplicate of ZBXNEXT-1490.

Best Regards,
Aleksandrs

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