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Author Topic: websvc and grafana integration problem  (Read 412 times)


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websvc and grafana integration problem
« on: September 26, 2018, 05:21:45 pm »


Just wanted to share my findings when trying to integrate NetXMS with Grafana.

Whatever I did I couldn't get a connection between them. The data source always gave an error stating "HTTP Error Internal Server Error"
If I tried to open the web service page ( directly it gave me a this error: {"description":"Internal error","error":46}

Just for the record, now that the issue is fixed, I still get the error 46 message if I try to connect directly.

I asked for help and Victor was kind enough to take a look at things for me.

First we tried the Curl trick posted at the bottom of this wiki page.

The catalina.out file in Tomcat log folder showed that authentication was successful, so it wasn't a case of mistyped password or wrong user.

Then further down he saw something about missing javax classes.
Turns out that using Java 11 with Tomcat was the issue.

I removed Java 11 and installed Java 8 and the issue was resolved.

So, check if you are using a compatible Java version :)

PS: Victor mentioned that it might work with Java 10 by adding --add-modules java.xml.bind to JVM command line

I hope this is helpful for others as well!




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Re: websvc and grafana integration problem
« Reply #1 on: September 26, 2018, 09:13:12 pm »

I can confirm adding "--add-modules java.xml.bind" to JAVA_OPTS in /etc/default/tomcat8 works for "openjdk 10.0.2" and tomcat8