I add host that rabbitmq installed on in zabbix. but i get an problem with this caption: RabbitMQ: process is not running.
what does process refer to ? how run it?
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I have rabbitmq installed on my laptop. Is there a way to check if rabbitmq is running as background process by checking process in windows task manager? I don't see anything with name rabbit mq on windows task manager. Also please share commands to check status of rabbitmq process.
On Windows, you can look for it in the "Services" menu:
https://i.stack.imgur.com/9apHB.png
The task manager's "Services" tab might show it as well, if you need the pid:
https://i.stack.imgur.com/darnc.png
Under Details in Task Manager, mine is running as erlserv.exe. FYI - may not show as rabbit or rabbitmq.
we have ambari cluster with 872 data-nodes machines , when ambari version is 2.6.x
we have for now some network problem ,
after long investigation we found that , ambari agent that runs on some machine not communicate well with the ambari server
therefore we get some strange behaviors as 5 dead data-nodes from ambari dashboard , while for sure datanodes machine are healthy
is it possible to give more tolerated value in ambari agent configuration so the ack between ambari agent to ambari server will be after more little time in order to ignore the network problems ?
something like timeout or time connection between the ambari agent to ambari server
First of all, you need to get the root cause of the issue why Data Node is showing as Dead.
Ambari agent runs on every node. It is responsible for sending
metrics and heartbeat to the Ambari server which then publishes to
your Ambari web UI.
The name node waits for 10 minutes till it declares the data node as dead and copies
the blocks to other data nodes.
If it's showing that data node is dead then please check the Ambari agent status in
the specific node by running-service ambari-agent status. Parallelly you can check the ambari-agent.log in the worker node to check why Ambari agent stopped working.
You can configure your http timeouts in ambari-agents for service tasks, http timeouts
https://github.com/apache/ambari/blob/trunk/ambari-agent/conf/unix/ambari-agent.ini
There's a HTTP Timeout section you can configure it based on your network throughput.
The file should be in /etc/ambari-agent/ambari.properties
I have recently installed rabbitmq with ErlanOTP on Windows 10 running on lattePanda
I ran rabbitmqctl status and got the following error:
C:\Program Files\RabbitMQ Server\rabbitmq_server-3.7.5\sbin>rabbitmqctl status
Status of node rabbit#DESKTOP-V6GQ6RF ...
Error: unable to perform an operation on node 'rabbit#DESKTOP-V6GQ6RF'. Please see diagnostics information and suggestions below.
Most common reasons for this are:
Target node is unreachable (e.g. due to hostname resolution, TCP connection or firewall issues)
CLI tool fails to authenticate with the server (e.g. due to CLI tool's Erlang cookie not matching that of the server)
Target node is not running
In addition to the diagnostics info below:
See the CLI, clustering and networking guides on http://rabbitmq.com/documentation.html to learn more
Consult server logs on node rabbit#DESKTOP-V6GQ6RF
DIAGNOSTICS
attempted to contact: ['rabbit#DESKTOP-V6GQ6RF']
rabbit#DESKTOP-V6GQ6RF:
connected to epmd (port 4369) on DESKTOP-V6GQ6RF
epmd reports node 'rabbit' uses port 25672 for inter-node and CLI tool traffic
TCP connection succeeded but Erlang distribution failed
Authentication failed (rejected by the remote node), please check the Erlang cookie
Current node details:
node name: 'rabbitmqcli2#DESKTOP-V6GQ6RF'
effective user's home directory: C:\Users\LattePanda
Erlang cookie hash: 8Kq9f/AaeixMvahU4G2v8A==
How can I get RabbitMQ up and running?
While trouble-shooting I discovered this thread https://groups.google.com/forum/#!topic/rabbitmq-users/a6sqrAUX_Fg
and set the environment variable to Erlang Cookie I found in %HOMEDRIVE%%HOMEPATH%\.erlang.cookie but it still doesn't seem to work.
The RabbitMQ team monitors the rabbitmq-users mailing list and only sometimes answers questions on StackOverflow.
It is important to copy the cookie from the correct location. This document explains where it is located based on Erlang version and Windows version. You don't mention which Erlang version you are using, but I suspect you will want to copy the C:\WINDOWS\system32\config\systemprofile\.erlang.cookie file to %HOMEDRIVE%%HOMEPATH%\.erlang.cookie. You should not have to set any environment variables so if you have, I recommend removing them and restarting your server.
I've installed RabbitMQ (latest version downloadable from RabbitMQ website) on my Windows 10 machine. It installed with ERlang 19.1.
I'm trying to install RabbitMQ Web UI Management Tools using the following command (using RabbitMQ Command Prompt):
rabbitmq-plugins enable rabbitmq_management
I'm getting the following error:
The directory name is invalid.
The filename, directory name, or volume label syntax is incorrect.
The filename, directory name, or volume label syntax is incorrect.
Plugin configuration unchanged.
Applying plugin configuration to rabbit#[0x7FF9A8527044]... failed.
* Could not contact node rabbit#[0x7FF9A8527044].
Changes will take effect at broker restart.
* Options: --online - fail if broker cannot be contacted.
--offline - do not try to contact broker.
I've looked up on SO and tried stopping and restarting, overriding erlang cookie, but nothing helps.
I think there's a problem with RabbitMQ itself. The service itself is marked as started, but if I try to telnet the default port (5672) then it fails (it's not a firewall issue - I've disabled it).
Also I don't see an log files created for RabbitMQ or any related Event Logs messages. So it's hard to diagnose exactly the problem.
I also tried uninstalling and re-install both erlang and RabbitMQ. Still didn't help.
How do I further diagnose the problem?
Found a solution to the problem (downgrading Erlang did not work in my case, but just in case I left it on Erlang 18 in case there were other issues with ver 19).
What puzzled my eye was this line: Applying plugin configuration to rabbit#[0x7FF9A8527044]... failed.. Seems like it's trying to connect to rabbit instance at a wrong machine name.
I then ran rabbitmqctl.bat status which failed but again showed that it's trying to connect to [0x7FF9A8527044] while the node name was rabbit#my-mchine-name. So I started reading the configuration section at RabbitMQ website and the solution was simple - setting the node name manually.
All I had to do is add an environment variable named RABBITMQ_NODENAME with the node name being rabbit#localhost. And that's it. Problem solved!
you may be running into issues with Erlang 19 incompatibility. there has been some history of Erlang 19 support problems with RMQ. Try installing Erlang 18 instead.
If that fails, I would recommend using Docker for Windows and installing / running RabbitMQ in that. I've moved all my services like RabbitMQ, MongoDB, etc. into Docker containers and it's made my life as a dev so much simpler.
In my case I had to trash the local account config located at : %APPDATA%\RabbitMQ\.
Deleting the entire folder and reinstalling the service did the trick.
Rabbitmq 3.6.14
Erlang 20.1 OTP
I am trying to monitor a machine in which RabbitMQ is installed.RabbitMQ's broker is working well in that machine.
Now I want to monitor that machine using open source HypricHQ software.
The problem is the HypricHQ server can't find my RabbitMQ broker.My Hypric Agent is also working fine, i.e. in HypricHQ server the detail of RabbitMQ machine is showing.
I have checked the error in agent.log file the error logged in that file is:
2011-05-30 15:24:16,549 INFO [Thread-1] [SingleConnectionFactory] Established shared Rabbit Connection: org.springframework.erlang.connection.DefaultConnection#1265109
2011-05-30 15:24:16,574 ERROR [Thread-1] [AutoScan] AutoScan failed for RabbitMQ
org.springframework.erlang.ErlangBadRpcException: {badrpc,{'EXIT',{undef,[{rabbit_access_control,list_vhosts,[]},{rpc,'-handle_call_call/6-fun-0-',5}]}}}
at org.hyperic.hq.plugin.rabbitmq.core.HypericErlangTemplate.executeRpcAndConvert(HypericErlangTemplate.java:72)
at org.hyperic.hq.plugin.rabbitmq.core.HypericRabbitAdmin.getVirtualHosts(HypericRabbitAdmin.java:75)
at org.hyperic.hq.plugin.rabbitmq.detect.RabbitServerDetector.getServerResources(RabbitServerDetector.java:106)
at org.hyperic.hq.autoinventory.scanimpl.NullScan.scan(NullScan.java:83)
at org.hyperic.hq.autoinventory.Scanner.start(Scanner.java:198)
at org.hyperic.hq.autoinventory.ScanManager.mainRunLoop(ScanManager.java:141)
at org.hyperic.hq.autoinventory.ScanManager.access$000(ScanManager.java:41)
at org.hyperic.hq.autoinventory.ScanManager$1.run(ScanManager.java:107)
Why this error occure?
How can I overcome this error? The OS I am using is Windows 7.
Maybe it needs your broker to have the rabbitmq-management plugin installed?
Log into the server running the RabbitMQ broker and type
sudo rabbitmqctl status
Check that the version is one that is supported by Hypric. A lot of Linux distros have a very old version of RabbitMQ installed. It is easy enough to upgrade using the .deb or .rpm binaries on the RabbitMQ site so you should consider doing that.