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Remove use of @PostConstruct from main code

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When running on Java 11 (where `@PostConstruct` is no longer part of
the JRE) and without a dependency on jakarta-annotation-api,
`@PostContruct` annotions are silently dropped. This leads to obscure and
hard-to-track down changes in the behaviour of our auto-configuration
as the `@PostConstruct`-annotated methods are not invoked.

To allow users to run on Java 11 without having jakarta-annotation-api
on the classpath, this commit removes use of `@PostConstruct` from main
code. A Checkstyle rule has also been added to prevent its usage in
main code from being reintroduced.

Closes gh-23723
This commit is contained in:
Andy Wilkinson
2020-11-03 13:01:38 +00:00
parent 622606d85a
commit 30a0ccab02
20 changed files with 85 additions and 84 deletions
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4
spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/session/SessionAutoConfigurationIntegrationTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2012-2019 the original author or authors.
* Copyright 2012-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -48,7 +48,7 @@ class SessionAutoConfigurationIntegrationTests extends AbstractSessionAutoConfig
void severalCandidatesWithNoSessionStore() {
this.contextRunner.withUserConfiguration(HazelcastConfiguration.class).run((context) -> {
assertThat(context).hasFailed();
assertThat(context).getFailure().hasCauseInstanceOf(NonUniqueSessionRepositoryException.class);
assertThat(context).getFailure().hasRootCauseInstanceOf(NonUniqueSessionRepositoryException.class);
assertThat(context).getFailure()
.hasMessageContaining("Multiple session repository candidates are available");
assertThat(context).getFailure()

2
spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/session/SessionAutoConfigurationTests.java
View File

@@ -62,7 +62,7 @@ class SessionAutoConfigurationTests extends AbstractSessionAutoConfigurationTest
void contextFailsIfMultipleStoresAreAvailable() {
this.contextRunner.run((context) -> {
assertThat(context).hasFailed();
assertThat(context).getFailure().hasCauseInstanceOf(NonUniqueSessionRepositoryException.class);
assertThat(context).getFailure().hasRootCauseInstanceOf(NonUniqueSessionRepositoryException.class);
assertThat(context).getFailure()
.hasMessageContaining("Multiple session repository candidates are available");
});