Change of behaviour in env var interpretation from 3.4.5 to 3.5.0

[devdevx]

Given an env var starting with #, when declared using @Value or @ConfigurationProperties, it isn't loaded.

Code:

@Value("${my.variable}")
String variable;

or

@Component
@ConfigurationProperties(prefix = "my")
public class ServiceNowProperties {
    private String variable;
    ....
}

ENV VAR:

MY_VARIABLE=#my_value

Expected result (and result in 3.4.5):

variable contains the string "#my_value"

Current result (3.5.0):

no value is present in the variable.

[wilkinsona]

Thanks for the report but I cannot reproduce the behavior that you have described. Here's my sample application:

package com.example.gh_45886;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;

import com.example.gh_45886.Gh45886Application.MyProperties;

@SpringBootApplication
@EnableConfigurationProperties(MyProperties.class)
public class Gh45886Application {
	
	Gh45886Application(@Value("${my.variable}") String valueVariable, MyProperties myProperties) {
		System.out.println("@ConfigurationProperties my.variable = " + myProperties.getVariable());
		System.out.println("@Value my.variable = " + valueVariable);
	}

	public static void main(String[] args) {
		SpringApplication.run(Gh45886Application.class, args);
	}
	
	@ConfigurationProperties(prefix = "my")
	static class MyProperties {
		
	    private String variable;

		public String getVariable() {
			return variable;
		}

		public void setVariable(String variable) {
			this.variable = variable;
		}

	}

}

And here's the output when it's run:

MY_VARIABLE=#test java -jar target/gh-45886-0.0.1-SNAPSHOT.jar

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/

 :: Spring Boot ::                (v3.5.0)

2025-06-11T16:27:43.653+01:00  INFO 57794 --- [gh-45886] [           main] c.example.gh_45886.Gh45886Application    : Starting Gh45886Application v0.0.1-SNAPSHOT using Java 21.0.5 with PID 57794 (/Users/aw036093/dev/temp/spring-projects/spring-boot/gh-45886/target/gh-45886-0.0.1-SNAPSHOT.jar started by aw036093 in /Users/aw036093/dev/temp/spring-projects/spring-boot/gh-45886)
2025-06-11T16:27:43.655+01:00  INFO 57794 --- [gh-45886] [           main] c.example.gh_45886.Gh45886Application    : No active profile set, falling back to 1 default profile: "default"
@ConfigurationProperties my.variable = #test
@Value my.variable = #test
2025-06-11T16:27:43.860+01:00  INFO 57794 --- [gh-45886] [           main] c.example.gh_45886.Gh45886Application    : Started Gh45886Application in 0.384 seconds (process running for 0.588)

As you can see, the #test value is successfully consumed using both @ConfigurationProperties and @Value.

If you would like us to spend some more time investigating, please spend some time providing a complete yet minimal sample that reproduces the problem. You can share it with us by pushing it to a separate repository on GitHub or by zipping it up and attaching it to this issue.

[devdevx]

Thanks for the response. After further investigation, I’ve realized that the true issue was not related to the env var interpretation. Closing this issue as it's not relevant here.

Thanks!