# Processing 4 and midibus on Pi 4 works!

**URL:** <https://discourse.processing.org/t/processing-4-and-midibus-on-pi-4-works/32957>\
**Category:** Processing for Pi\
**Created:** [October 20, 2021, 2:38pm UTC](https://discourse.processing.org/t/processing-4-and-midibus-on-pi-4-works/32957 "2021-10-20T14:38:07Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![monkstone](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/monkstone/32/64_2.png) [@monkstone](https://discourse.processing.org/u/monkstone)\
**Post date:** [October 20, 2021, 4:00pm UTC](https://discourse.processing.org/t/processing-4-and-midibus-on-pi-4-works/32957/2 "2021-10-20T16:00:07Z")

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I wonder if that success is due to libericajdk11 ability to run in 32 bit mode? What I get with ManjaroArm installed jdk is error message (_when I try to run a sketch from the ide_):-

```bash
core does not run on this architecture: arm64
core is only compatible with 32 bit download of Processing

```

ie a spanner in the works, because I know it should work because [PiCrate](https://discourse.processing.org/t/new-release-of-picrate-for-raspberrypi/32424) and py5 both work fine with this jdk.

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