Check the Java program code

Oct 13, 2025 by pynkocean.com 4 views

EXCEPTION_ACCESS_VIOLATION: A Fatal Error in Java Runtime Environment

Introduction

EXCEPTION_ACCESS_VIOLATION is a fatal error that occurs when the Java Runtime Environment (JRE) encounters an access violation while executing a Java program. This error is typically caused by a bug in the Java code or a problem with the native libraries used by the Java program. In this article, we will analyze the EXCEPTION_ACCESS_VIOLATION error and provide a step-by-step guide to troubleshoot and resolve the issue.

Error Message

The error message is as follows:

#
# A fatal error has been detected by the Java Runtime Environment:
#
#  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00000001800044cb, pid=7996, tid=14776
#
# JRE version: OpenJDK Runtime Environment Temurin-23.0.2+7 (23.0.2+7) (build 23.0.2+7)
# Java VM: OpenJDK 64-Bit Server VM Temurin-23.0.2+7 (23.0.2+7, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, windows-amd64)
# Problematic frame:
# C  [rxtxSerial.dll+0x44cb]
#
# No core dump will be written. Minidumps are not enabled by default on client versions of Windows
#
# If you would like to submit a bug report, please visit:
#   https://github.com/adoptium/adoptium-support/issues
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#

Analysis

The error message indicates that the EXCEPTION_ACCESS_VIOLATION error occurred at address 0x00000001800044cb in the rxtxSerial.dll library. This library is a native library used by the Java program to communicate with serial ports.

Troubleshooting Steps

To troubleshoot the EXCEPTION_ACCESS_VIOLATION error, follow these steps:

Check the Java program code: Review the Java program code to ensure that it is correct and does not contain any bugs that could cause the EXCEPTION_ACCESS_VIOLATION error.
Check the native libraries: Verify that the native libraries used by the Java program, including rxtxSerial.dll, are up-to-date and correctly configured.
Check the system configuration: Ensure that the system configuration is correct and does not contain any issues that could cause the EXCEPTION_ACCESS_VIOLATION error.
Run the Java program with debugging enabled: Run the Java program with debugging enabled to collect more information about the error.
Submit a bug report: If the error persists, submit a bug report to the Adoptium support team with the necessary information to help diagnose the issue.

Conclusion

EXCEPTION_ACCESS_VIOLATION is a fatal error that occurs when the Java Runtime Environment encounters an access violation while executing a Java program. To troubleshoot and resolve this error, follow the steps outlined above and submit a bug report to the Adoptium support team if the issue persists.

Additional Information

The rxtxSerial.dll library is a native library used by the Java program to communicate with serial ports.
The EXCEPTION_ACCESS_VIOLATION error can occur due to a bug in the Java code or a problem with the native libraries used by the Java program.
The Java program code and native libraries should be reviewed and updated to ensure that they are correct and up-to-date.
The system configuration should be checked to ensure that it is correct and does not contain any issues that could cause the EXCEPTION_ACCESS_VIOLATION error.
EXCEPTION_ACCESS_VIOLATION: A Fatal Error in Java Runtime Environment - Q&A

Q: What is EXCEPTION_ACCESS_VIOLATION?

A: EXCEPTION_ACCESS_VIOLATION is a fatal error that occurs when the Java Runtime Environment (JRE) encounters an access violation while executing a Java program. This error is typically caused by a bug in the Java code or a problem with the native libraries used by the Java program.

Q: What causes EXCEPTION_ACCESS_VIOLATION?

A: EXCEPTION_ACCESS_VIOLATION can be caused by a variety of factors, including:

Bugs in the Java code
Problems with the native libraries used by the Java program
System configuration issues
Outdated or incorrect Java Runtime Environment (JRE) or Java Development Kit (JDK)

Q: How do I troubleshoot EXCEPTION_ACCESS_VIOLATION?

A: To troubleshoot EXCEPTION_ACCESS_VIOLATION, follow these steps:

Check the Java program code to ensure that it is correct and does not contain any bugs that could cause the EXCEPTION_ACCESS_VIOLATION error.
Verify that the native libraries used by the Java program are up-to-date and correctly configured.
Check the system configuration to ensure that it is correct and does not contain any issues that could cause the EXCEPTION_ACCESS_VIOLATION error.
Run the Java program with debugging enabled to collect more information about the error.
Submit a bug report to the Adoptium support team with the necessary information to help diagnose the issue.

Q: What is the difference between EXCEPTION_ACCESS_VIOLATION and other Java errors?

A: EXCEPTION_ACCESS_VIOLATION is a fatal error that occurs when the JRE encounters an access violation while executing a Java program. Other Java errors, such as NullPointerException or ArrayIndexOutOfBoundsException, are typically caused by bugs in the Java code and can be resolved by fixing the code.

Q: Can I recover from EXCEPTION_ACCESS_VIOLATION?

A: Unfortunately, EXCEPTION_ACCESS_VIOLATION is a fatal error that cannot be recovered from. The JRE will terminate and a crash dump will be generated.

Q: How do I prevent EXCEPTION_ACCESS_VIOLATION?

A: To prevent EXCEPTION_ACCESS_VIOLATION, follow these best practices:

Use a recent version of the JRE and JDK.
Use a reliable and up-to-date native library.
Test your Java program thoroughly to ensure that it is correct and does not contain any bugs.
Use debugging tools to identify and fix issues before they cause a crash.
Regularly update your system configuration to ensure that it is correct and does not contain any issues that could cause the EXCEPTION_ACCESS_VIOLATION error.

Q: What should I do if I encounter EXCEPTION_ACCESS_VIOLATION?

A: If you encounter EXCEPTION_ACCESS_VIOLATION, follow these steps:

Check the Java program code to ensure that it is correct and does not contain any bugs that could cause the EXCEPTION_ACCESS_VIOLATION error.
Verify that the native libraries used by the Java program are up-to-date and correctly configured.
Check the system configuration to ensure that it is correct and does not contain any issues that could cause the EXCEPTION_ACCESS_VIOLATION error.
Run the Java program with debugging enabled to collect more information about the error.
Submit a bug report to the Adoptium support team with the necessary information to help diagnose the issue.

Q: Can I get help with EXCEPTION_ACCESS_VIOLATION?

A: Yes, you can get help with EXCEPTION_ACCESS_VIOLATION by submitting a bug report to the Adoptium support team with the necessary information to help diagnose the issue.