[ZBX-4640] another network error retrying to get a value Created: 2012 Feb 10 Updated: 2017 May 30 Resolved: 2012 Feb 13 |
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Status: | Closed |
Project: | ZABBIX BUGS AND ISSUES |
Component/s: | Server (S) |
Affects Version/s: | 1.9.7 (beta), 1.9.8 (beta) |
Fix Version/s: | None |
Type: | Incident report | Priority: | Critical |
Reporter: | Anton Ryabchenko | Assignee: | Unassigned |
Resolution: | Cannot Reproduce | Votes: | 0 |
Labels: | None | ||
Remaining Estimate: | Not Specified | ||
Time Spent: | Not Specified | ||
Original Estimate: | Not Specified | ||
Environment: |
Debian x32 & x64 |
Attachments: |
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Description |
I have problems with retrying to get a value. Logs are populated with the following: Note, keys and servers are different. The agent log with debug enabled shows no errors - it always sends data back. I tried to disable checks on host, wait until queue is cleared, then start monitoring again. It doesn't help. |
Comments |
Comment by Alexei Vladishev [ 2012 Feb 11 ] |
That's interesting. Could it be related to some limits of Linux kernel related to TCP stack? Do you see anything suspicious in syslog or kern.log? |
Comment by Oleksii Zagorskyi [ 2012 Feb 11 ] |
Anton, let me know which error do you see for host error when it's in error state in GUI (temporarily disabling - host unavailable)? Maybe the error is "Invalid port number[]" ? I had very similar hosts behavior when some part of theirs items did not have defined iterfaceid (they had NULL for iterfaceid) <- because we are using trunk Here is behavior when one agent item has NULL for iterfaceid: Try to execute this SQL statement to find zabbix agent items with NULL interfaceid on real hosts: |
Comment by Anton Ryabchenko [ 2012 Feb 13 ] |
I found NULL interfaceid on one of the hosts on one of the servers. There were itemes, that were added directly to host, then I copied them to the template, but interfaceid is null. I use all items inherited from tamplates. |
Comment by Oleksii Zagorskyi [ 2012 Feb 13 ] |
> Sorry, cannot figure out where should I see the state in GUI (Monitoring -> Hosts shows availability icon only) Note interfaceid=NULL for items in template is ok. Try to delete this item (copied-recopied |
Comment by Anton Ryabchenko [ 2012 Feb 13 ] |
In GUI for one server I see the following 2 errors: Trying to reproduce on another server. to see an error. |
Comment by Oleksii Zagorskyi [ 2012 Feb 13 ] |
> We have used zapcat for weeks without any problem, but sometimes we had white spaces in our graphs, I thought it was caused by performance. But it's not. So you have fix all problems which are generating the error "Invalid port number[]" Yes, I can generate the error "Invalid port number []" when "interface.port" is empty (deleted manually in the DB) Try this: |
Comment by Anton Ryabchenko [ 2012 Feb 13 ] |
I have |
Comment by Oleksii Zagorskyi [ 2012 Feb 13 ] |
I have no more ideas, sorry. |
Comment by Anton Ryabchenko [ 2012 Feb 13 ] |
Wow, it's seems the issue disapeared from one of the servers! p.s. Problems on the other server can be network issues indeed, there are some hosts monitored over Internet from US to Asia. |
Comment by Oleksii Zagorskyi [ 2012 Feb 13 ] |
Be careful with trunk next time, but thanks for using it in production Issue closed. |