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Refine BackgroundPreinitializer Jackson initialization

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AllEncompassingFormHttpMessageConverter already initializes
Jackson ObjectMapper. This commit updates BackgroundPreinitializer
in order to not run JacksonInitializer when
MessageConverterInitializer already takes care of initializing
ObjectMapper.

See gh-33220
This commit is contained in:
Sébastien Deleuze
2022-11-16 11:47:50 +01:00
committed by Phillip Webb
parent a650361f1d
commit bdac416a62
1 changed files with 9 additions and 2 deletions
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11
spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/BackgroundPreinitializer.java
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@@ -34,6 +34,7 @@ import org.springframework.core.annotation.Order;
import org.springframework.format.support.DefaultFormattingConversionService;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import org.springframework.http.converter.support.AllEncompassingFormHttpMessageConverter;
import org.springframework.util.ClassUtils;
/**
* {@link ApplicationListener} to trigger early initialization in a background thread of
@@ -100,8 +101,14 @@ public class BackgroundPreinitializer implements ApplicationListener<SpringAppli
public void run() {
runSafely(new ConversionServiceInitializer());
runSafely(new ValidationInitializer());
runSafely(new MessageConverterInitializer());
runSafely(new JacksonInitializer());
if (ClassUtils.isPresent(
"org.springframework.http.converter.support.AllEncompassingFormHttpMessageConverter",
BackgroundPreinitializer.class.getClassLoader())) {
runSafely(new MessageConverterInitializer());
}
else {
runSafely(new JacksonInitializer());
}
runSafely(new CharsetInitializer());
preinitializationComplete.countDown();
}