Merge branch '1.5.x'

This commit is contained in:
Phillip Webb 2018-04-02 09:51:03 -07:00
commit 47a56616ae
1 changed files with 31 additions and 15 deletions

View File

@ -330,17 +330,28 @@ public class Restarter {
private void cleanupKnownCaches() throws Exception {
// Whilst not strictly necessary it helps to cleanup soft reference caches
// early rather than waiting for memory limits to be reached
clear(ResolvableType.class, "cache");
clear("org.springframework.core.SerializableTypeWrapper", "cache");
ResolvableType.clearCache();
cleanCachedIntrospectionResultsCache();
ReflectionUtils.clearCache();
clearAnnotationUtilsCache();
if (!JavaVersion.getJavaVersion().isEqualOrNewerThan(JavaVersion.NINE)) {
clear("com.sun.naming.internal.ResourceManager", "propertiesCache");
}
}
private void cleanCachedIntrospectionResultsCache() throws Exception {
clear(CachedIntrospectionResults.class, "acceptedClassLoaders");
clear(CachedIntrospectionResults.class, "strongClassCache");
clear(CachedIntrospectionResults.class, "softClassCache");
clear(ReflectionUtils.class, "declaredFieldsCache");
clear(ReflectionUtils.class, "declaredMethodsCache");
clear(AnnotationUtils.class, "findAnnotationCache");
clear(AnnotationUtils.class, "annotatedInterfaceCache");
if (!JavaVersion.getJavaVersion().isEqualOrNewerThan(JavaVersion.NINE)) {
clear("com.sun.naming.internal.ResourceManager", "propertiesCache");
}
private void clearAnnotationUtilsCache() throws Exception {
try {
AnnotationUtils.clearCache();
}
catch (Throwable ex) {
clear(AnnotationUtils.class, "findAnnotationCache");
clear(AnnotationUtils.class, "annotatedInterfaceCache");
}
}
@ -354,14 +365,19 @@ public class Restarter {
}
private void clear(Class<?> type, String fieldName) throws Exception {
Field field = type.getDeclaredField(fieldName);
field.setAccessible(true);
Object instance = field.get(null);
if (instance instanceof Set) {
((Set<?>) instance).clear();
try {
Field field = type.getDeclaredField(fieldName);
field.setAccessible(true);
Object instance = field.get(null);
if (instance instanceof Set) {
((Set<?>) instance).clear();
}
if (instance instanceof Map) {
((Map<?, ?>) instance).keySet().removeIf(this::isFromRestartClassLoader);
}
}
if (instance instanceof Map) {
((Map<?, ?>) instance).keySet().removeIf(this::isFromRestartClassLoader);
catch (Exception ex) {
this.logger.debug("Unable to clear field " + type + " " + fieldName, ex);
}
}