# Error publishing tag change event. Where is it?!

**URL:** <https://forum.inductiveautomation.com/t/error-publishing-tag-change-event-where-is-it/39232>\
**Category:** Ignition\
**Tags:** scripting\
**Created:** [September 30, 2020, 6:11pm UTC](https://forum.inductiveautomation.com/t/error-publishing-tag-change-event-where-is-it/39232 "2020-09-30T18:11:23Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [September 30, 2020, 10:29pm UTC](https://forum.inductiveautomation.com/t/error-publishing-tag-change-event-where-is-it/39232/6 "2020-09-30T22:29:59Z")

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> [@wci.jgiese](#):
>
> except Exception, err:

This construct will not catch java exceptions, only jython exceptions. You need two blocks:

> [@Catch IOException?](http://forum.inductiveautomation.com/t/catch-ioexception/18612/3):
>
> Consider using two except blocks, as jython’s standard Exception won’t catch pure java exceptions. Like so: import java.lang.Exception try: # something something something except Exception, e: # jython exception except java.lang.Exception, e: # java exception

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