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Merge branch '6.2.x' 

# Conflicts:
#	spring-beans/src/main/java/org/springframework/beans/factory/support/FactoryBeanRegistrySupport.java
This commit is contained in:
Juergen Hoeller 2025-10-03 17:34:42 +02:00
parent 54b43d4a88 ecd3dd8883
commit 2170b40213
1 changed files with 34 additions and 39 deletions
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15
spring-beans/src/main/java/org/springframework/beans/factory/support/FactoryBeanRegistrySupport.java
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@ -132,19 +132,13 @@ public abstract class FactoryBeanRegistrySupport extends DefaultSingletonBeanReg
try {
// A SmartFactoryBean may return multiple object types -> do not cache.
boolean smart = (factory instanceof SmartFactoryBean<?>);
// Defensively synchronize against non-thread-safe FactoryBean.getObject() implementations,
// potentially to be called from a background thread while the main thread currently calls
// the same getObject() method within the singleton lock.
synchronized (factory) {
Object object = (!smart ? this.factoryBeanObjectCache.get(beanName) : null);
if (object == null) {
if (locked) {
// The common case: within general singleton lock.
object = doGetObjectFromFactoryBean(factory, requiredType, beanName);
}
else {
// Fall back to local synchronization on the given FactoryBean instance,
// as a defensive measure for non-thread-safe FactoryBean implementations.
synchronized (factory) {
object = doGetObjectFromFactoryBean(factory, requiredType, beanName);
}
}
// Only post-process and store if not put there already during getObject() call above
// (for example, because of circular reference processing triggered by custom getBean calls)
Object alreadyThere = (!smart ? this.factoryBeanObjectCache.get(beanName) : null);
@ -180,6 +174,7 @@ public abstract class FactoryBeanRegistrySupport extends DefaultSingletonBeanReg
}
return object;
}
}
finally {
if (locked) {
this.singletonLock.unlock();