EXCEPTION_ACCESS_VIOLATION when uploading code to STM32

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I'm getting the following error when trying to upload code to a STM32 "Bluepill" board using the STM32duino Bootloader aka DFU method:

maple_loader v0.1
Resetting to bootloader via DTR pulse
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x000000007110b5db, pid=1720, tid=0x0000000000000c98
#
# JRE version: Java(TM) SE Runtime Environment (8.0_261-b12) (build 1.8.0_261-b12)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.261-b12 mixed mode windows-amd64 compressed oops)
# Problematic frame:
# C  [jSSC-2.8_x86_64.dll+0xb5db]
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#

This doesn't happen in another one of my computers. What's happening?

java
arduino
stm32
asked on Stack Overflow Aug 30, 2020 by Vahid Amiri

2 Answers

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Found a strange fix.

Had to change the path to the Java binary to point to the provided version inside Arduino installation folder.

This is done through Environment Variables in Windows Control panel. You may also need to uninstall any other Java versions if you have any.

answered on Stack Overflow Aug 30, 2020 by Vahid Amiri
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I had this same issue as well and I fixed it by uninstalling both the 32-bit and 64-bit versions of Java and reinstalling only the 64-bit version. I have not tested whether installing the 32-bit version again will cause the issue.

answered on Stack Overflow Sep 6, 2020 by laminarturbulent

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