DCI last values don't store history data
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How did you compile netxms - can you show config.log file? Can you show the output of yum list installed
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Hi,I followed the directions on the "NetXMS Administrator Guide, Release 3.4.178", chapter "3.6 Installing from sources", that is:
# ./configure --with-server --with-mysql --with-agent # make # make installI'm attaching the config.log and the output of yum list installed.If you need anything else, please let me know.
Thank you,Alessandro
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As an experiment - can you try to a different configure command:
./configure prefix=/opt/netxms-master --with-server --with-mariadb --with-mariadb-compat-headers --with-agent
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I tried (see attached config.log), but the issue is still present.
The query is the same as before:200806 15:54:06 266 Prepare SELECT idata_timestamp,idata_value,raw_value FROM idata_2069 WHERE item_id=? ORDER BY idata_timestamp DESC LIMIT 4096 266 Execute SELECT idata_timestamp,idata_value,raw_value FROM idata_2069 WHERE item_id=683 ORDER BY idata_timestamp DESC LIMIT 4096 266 Close stmtI was wondering if it could be a client issue, instead of a server one.
After all, if the server had a problem SELECT'ing data from the DB, almost nothing would work...
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What's the operating system where the client is running? What's client version? Is it downloaded from netxms web site?
For testing - may be you could try the client on another machine, preferrably on a different OS. -
I tried the Windows client (nxmc-3.4.284-win32-x64.zip) both on Windows 7 and on Windows 10, but I also tried the web interface (nxmc-3.4.284.war), everything downloaded from the netxms website, so it seems the issue doesn't depend on the client OS.
I still have to try on Linux... -
Today I also tried on Linux CentOS 8, (nxmc-3.4.284-linux-gtk-x64.tar.gz) but nothing changed: no historical data.This is so strange that now I wonder if I'm doing something wrong...
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Does it happen that there are no historical data for all DCIs in system, or just for some DCIs?
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I've not configured many DCIs yet, but it seems no DCI shows historical data.
I've added a couple of other DCI on a different switch (3Com vs CISCO), but still no historical data in the GUI.Even default DCIs for the NetXMS server itself show no historical data (see attachments).
The only strange thing I'm noticing now, is the <<ERROR>> value for the only DCI coming from the NetXMS agent on the server.
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One more thing to have a look at - console writes it's own log file in user's home folder in \.nxmc\data\.metadata
Can you share what you have there? -
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Did you try to open the dci graph / history during the duration of that log?
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Let's try to get historical data from java API using nxshell - this way we could see if the issue is with the server or the GUI.
You will need to recompile to get nxshell, for that please run
export JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64add then run your ./configure command with the following keys added:
--with-jdk=/usr/lib/jvm/java-11-openjdk-amd64 --with-clientmake & make install should produce nxshell executable in your bin folder.
Then make a file, say collected_data.py
from java.util import Date data = s.getCollectedData(200, 2000, Date(Date().time - 60 * 60 * 1000), Date(), 100, HistoricalDataType.valueOf('PROCESSED')) print data for v in data.values: print v.timestamp.toString() + " = " + str(v.value)replace 200 with a node ID and 2000 with a DCI ID.
Then run the following (-u username, same as in management console and -P is the password):
nxshell -H 127.0.0.1 -u admin -P "" collected_data.pyand share the output. This script script should return datapoints for a give DCI for last hour.
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Hi, here they are.
Node 2069, DCI 682nxshell -H 127.0.0.1 -u admin -P XXXX collected_data.py WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.python.core.PySystemState (file:/usr/local/lib/netxms/nxshell.jar) to method java.io.Console.encoding() WARNING: Please consider reporting this to the maintainers of org.python.core.PySystemState WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release DciData [nodeId=2069, dciId=682, dataType=INT32, valuesSize=0]Node 2069, DCI 683
nxshell -H 127.0.0.1 -u admin -P XXXX collected_data.py WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.python.core.PySystemState (file:/usr/local/lib/netxms/nxshell.jar) to method java.io.Console.encoding() WARNING: Please consider reporting this to the maintainers of org.python.core.PySystemState WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release DciData [nodeId=2069, dciId=683, dataType=INT32, valuesSize=0]It seems nxshell doesn't get any data too
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Can we possible get remote access to your netxms server? If yes, please send a message to [email protected]
If no, please collect server log at debuglevel = 8. Start console during the log and open the graph and history of a DCI.
You can change debut level on the fly:
nxadm -c "debug 8"
will change itnxadm -c "debug"
will print current debug level -
Yes, I can set up a remote access for you, thank you very much.
I have to setup some port forwarding on our firewall: do you only need SSH or also port 4701 for the console?
Can you tell me the public IP address you will be using to connect?In the meanwhile, I changed the debug level and opened the history and graph of DCI 682 and 683 of node 2069, see attached log.I think they are at line 5744, timestamp 2020.08.11 11:21:55.828
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Sent you a PM.
Meanwhile - it's recommended to check netxms log for *E* and *W* messages - there is one SQL query error, which is not related to issue discussed here, we will have a look. And there's also a warning about autobind script.
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The SQL errors are related to two new groups I was creating (see screenshot), perhaps I made something wrong.
About the autobind script, I don't know, I'm new to NetXMS and I'm still exploring all its features.
I remember opening the script library, perhaps I unvoluntarily tampered with the scripts.
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