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Try loadClass on LinkageError in case of same ClassLoader as well

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Closes gh-34824

(cherry picked from commit 4172581f1b)
This commit is contained in:
Juergen Hoeller
2025-04-28 16:12:45 +02:00
parent daee9f1242
commit 71f2725638
1 changed files with 15 additions and 4 deletions
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19
spring-core/src/main/java/org/springframework/cglib/core/ReflectUtils.java
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@@ -463,10 +463,21 @@ public class ReflectUtils {
c = lookup.defineClass(b);
}
catch (LinkageError | IllegalArgumentException ex) {
// in case of plain LinkageError (class already defined)
// or IllegalArgumentException (class in different package):
// fall through to traditional ClassLoader.defineClass below
t = ex;
if (ex instanceof LinkageError) {
// Could be a ClassLoader mismatch with the class pre-existing in a
// parent ClassLoader -> try loadClass before giving up completely.
try {
c = contextClass.getClassLoader().loadClass(className);
}
catch (ClassNotFoundException cnfe) {
}
}
if (c == null) {
// in case of plain LinkageError (class already defined)
// or IllegalArgumentException (class in different package):
// fall through to traditional ClassLoader.defineClass below
t = ex;
}
}
catch (Throwable ex) {
throw new CodeGenerationException(ex);