# Generic EtherNet/IP Client Device - java.lang.RuntimeException: Unable to parse Class/Instance/Attribute definitions

**URL:** <https://forum.inductiveautomation.com/t/generic-ethernet-ip-client-device-java-lang-runtimeexception-unable-to-parse-class-instance-attribute-definitions/81437>\
**Category:** General Discussion\
**Tags:** database\
**Created:** [November 3, 2023, 2:14am UTC](https://forum.inductiveautomation.com/t/generic-ethernet-ip-client-device-java-lang-runtimeexception-unable-to-parse-class-instance-attribute-definitions/81437 "2023-11-03T02:14:33Z")\
**Posts on this page:** 1\
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**Author:** ![nminchin](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/nminchin/32/6911_2.png) [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\
**Post date:** [November 3, 2023, 2:29am UTC](https://forum.inductiveautomation.com/t/generic-ethernet-ip-client-device-java-lang-runtimeexception-unable-to-parse-class-instance-attribute-definitions/81437/2 "2023-11-03T02:29:38Z")

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Nevermind, I found your post documenting the procedure and switched to the Host device instead. Very cool 🙂

> [@AB PLC tag import/export](https://forum.inductiveautomation.com/t/ab-plc-tag-import-export/33050/4):
>
> Start in your gateway’s configuration section, under the OPC Server’s “Device Connections” and click on “Create new Device…”: Select the Ethernet/IP Class1 Host Device: Give it a name and serial number… … and a slot number and listening address (required for external access) then “Create”: Then, in the list of devices, pick the new device’s “More” button, and select “Co…

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