<![CDATA[Metadata Internal Server Error]]>Mango 4.0.0-beta.17

I am trying to configure a metadata source point, and just a very simple test script based off of the examples. However, I am unable to save the point, it always returns and "internal server error". Is it me or a bug?

MetaDataSourceError.PNG

]]>https://forum.mango-os.com/topic/5228/metadata-internal-server-errorRSS for NodeWed, 13 May 2026 15:37:02 GMTFri, 02 Jul 2021 14:56:52 GMT60<![CDATA[Reply to Metadata Internal Server Error on Fri, 02 Jul 2021 17:51:54 GMT]]>@brownbucks11 another option would be to install the nashorn module which will provide the engine to the JVM when Mango starts.

https://store.infiniteautomation.com/module/nashorn

]]>https://forum.mango-os.com/post/26747https://forum.mango-os.com/post/26747Fri, 02 Jul 2021 17:51:54 GMT<![CDATA[Reply to Metadata Internal Server Error on Fri, 02 Jul 2021 16:38:52 GMT]]>I managed to work through the issue, looking at the ma.log I saw an error relating to nashorn unavailable, which relates to the Java JDK. I was using open JDK 11 LTS with hotspot. I decided to take a snapshot my VM and uninstall the Adopt open JDK and install the oracle JDK11. These are the General Steps I used.

Stopped Mango Service
Uninstalled Adopt Open JDK11
Installed Oracle JDK11
Changed the below Environmental Paths:
1.) JAVA_HOME to "C:\Program Files\Java\jdk-11.0.11"
2.) Path to include "C:\Program Files\Java\jdk-11.0.11\bin" instead of the openJDK path
3.) Path added new "%JAVA_HOME%\bin"

I then uninstalled Mango as a service
Restarted Server
Installed Mango as a service
Started service

Everything seems to be working as expected, except my script returned an error but that was somewhat expected.

]]>https://forum.mango-os.com/post/26746https://forum.mango-os.com/post/26746Fri, 02 Jul 2021 16:38:52 GMT<![CDATA[Reply to Metadata Internal Server Error on Fri, 02 Jul 2021 16:23:38 GMT]]>@brownbucks11 The only issue I can see from the pic is that you have not. selected which point should trigger the script to update. At least one of the update check boxes should be checked.

]]>https://forum.mango-os.com/post/26745https://forum.mango-os.com/post/26745Fri, 02 Jul 2021 16:23:38 GMT