# \#thread-error

**URL:** https://forum.universal-robots.com/tag/thread-error/30.md

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## [Stuck in Script Editor after java Exception](https://forum.universal-robots.com/t/stuck-in-script-editor-after-java-exception/2114)

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**Author:** [@anon75015020](https://forum.universal-robots.com/u/anon75015020)\
**Replies:** 0\
**Last updated:** [June 14, 2018, 8:17am UTC](https://forum.universal-robots.com/t/stuck-in-script-editor-after-java-exception/2114 "2018-06-14T08:17:03Z")

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Hello, this happened to me about 3-4 times until now. Here is how it happened this time: I tried to run the programm A spelling mistake (in the script file) was found by the compiler The Mistake was corrected Java Ex…

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## [Unhandled Exception is thrown when the program is started using an external button](https://forum.universal-robots.com/t/unhandled-exception-is-thrown-when-the-program-is-started-using-an-external-button/6842)

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**Author:** [@anon71387359](https://forum.universal-robots.com/u/anon71387359)\
**Replies:** 2\
**Last updated:** [January 19, 2021, 4:06pm UTC](https://forum.universal-robots.com/t/unhandled-exception-is-thrown-when-the-program-is-started-using-an-external-button/6842 "2021-01-19T16:06:06Z")

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Unhandled exception is thrown when the program is started using an external button. “Caught unhandled exception” window appears only when the program is started using the external button and when the robot has to return…

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## [Exception Caught in Thread AWT-EventQueue-Q](https://forum.universal-robots.com/t/exception-caught-in-thread-awt-eventqueue-q/10555)

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**Author:** [@anon19074481](https://forum.universal-robots.com/u/anon19074481)\
**Replies:** 3\
**Last updated:** [December 8, 2020, 10:47am UTC](https://forum.universal-robots.com/t/exception-caught-in-thread-awt-eventqueue-q/10555 "2020-12-08T10:47:05Z")

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Hello I have recently downloaded the new 1.11 version of URCaps starter package and i end up with some problems when i just try to make a basic URCap. So when I try to add my urcap to the program tree notings happens. …

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## [PolyScope throws a HelpException when entering the settings-menu in the e-series simulator](https://forum.universal-robots.com/t/polyscope-throws-a-helpexception-when-entering-the-settings-menu-in-the-e-series-simulator/5741)

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**Author:** [@anon19494375](https://forum.universal-robots.com/u/anon19494375)\
**Replies:** 2\
**Last updated:** [December 20, 2019, 11:36am UTC](https://forum.universal-robots.com/t/polyscope-throws-a-helpexception-when-entering-the-settings-menu-in-the-e-series-simulator/5741 "2019-12-20T11:36:38Z")

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When I am using the e-series simulator, I continuously get a HelpException in the log when I do the following: Open Ursim UR10 in simulator Press the Hamburger menu in the top right corner of PolyScope Press the ‘Setti…

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## [Joining a thread with a specific ID](https://forum.universal-robots.com/t/joining-a-thread-with-a-specific-id/619)

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**Author:** [@anon29830848](https://forum.universal-robots.com/u/anon29830848)\
**Replies:** 2\
**Last updated:** [March 20, 2017, 12:44pm UTC](https://forum.universal-robots.com/t/joining-a-thread-with-a-specific-id/619 "2017-03-20T12:44:22Z")

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I encountered some rather undesirable behaviour of the join command. We have an application that uses multiple background threads, each doing a different RPC call. Later on in the program, we join the threads to ensure a…