Hi everyone, I have a question regarding the plug in of Set External

lins over 9 years ago

Hi everyone,

I have a question regarding the plug in of Set External PVs. The guide document is not very helpful in terms of how to configure the smart service with my process module. For example, where should I connect this smart service with my existing process module which includes the pvs that our end users want to edit. Is there a form that our end user can fill out the process ID and pv value?

What I am trying to achieve is to allow our end users to go back to a completed process instance and update the value of certain pvs (could involve multiple process models). Can I do that by using this plug in?

Thank you so much in advance for your help!
Lin

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0 pedrogavinhos over 9 years ago

I've been trying to use this plug-in in version 7.4, and apparently it doesn't seem to work correctly.
Accessing the logs, I can see the following error: ERROR com.appiancorp.gpt.ttk.smartservices.GetExternalPVsActivity - An error occurred while trying to retrieve the PVs of process with id 268530223: null
java.lang.NullPointerException.

I noticed the Compatible Appian Versions for this plug-in are not described in its page. Are we sure this works with older versions such as 7.4?
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0 Eduardo Fuentes
Appian Employee
over 9 years ago

Yes it does. The plugin is really old that is compatible with basically any version from 6.0.3 to 7.9

If you have a 7.9 take a look at my application or video to learn how to use it.
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0 pedrogavinhos over 9 years ago

I only have a 7.4. However, looking at the video I believe I've implemented it correctly, and it still seems not to be working. I've attached some screenshots showcasing the process I've made.

While debugging, I've already noticed the following behavior:
- When the Process ID (pp!id) doesn't exist, we get: ERROR com.appiancorp.gpt.ttk.smartservices.GetExternalPVsActivity - An error occurred while trying to retrieve the PVs of process with id 26530223: Does not exist: Process
com.appiancorp.suiteapi.process.exceptions.InvalidProcessException: Does not exist: Process

- When the PV we're looking for doesn't exist, we get: ERROR com.appiancorp.gpt.ttk.smartservices.GetExternalPVsActivity - An error occurred while trying to retrieve the PVs of process with id 268530223: Could not find PV: reportSalvageStates
java.lang.IllegalArgumentException: Could not find PV: reportSalvageStates

- When both Process ID and PV exist, we get: ERROR com.appiancorp.gpt.ttk.smartservices.GetExternalPVsActivity - An error occurred while trying to retrieve the PVs of process with id 268530223: null
java.lang.NullPointerException

It seems like something else is being incorrectly configured. Do you have any idea what might be wrong?
I can't understand why I'm getting the 'null
java.lang.NullPointerException'.
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0 Eduardo Fuentes
Appian Employee
over 9 years ago

If you look at the video and the documentation of the plug-in the node inputs have to be called:

pvValue1
pvValue2
....

your is called var1, that's wrong
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