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Disruptor + many logger.error("aa", new Exception("aaa"))，stuck on Th… #3093

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e9845c8
Disruptor + many logger.error("aa", new Exception("aaa"))，stuck on Th…
hailshao Oct 16, 2024
d469c09
append put action
hailshao Oct 16, 2024
87f850a
fix compile error
hailshao Oct 16, 2024
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13 changes: 10 additions & 3 deletions log4j-core/src/main/java/org/apache/logging/log4j/core/impl/ThrowableProxyHelper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.logging.log4j.core.util.Loader;
import org.apache.logging.log4j.status.StatusLogger;
import org.apache.logging.log4j.util.LoaderUtil;
Expand All @@ -34,7 +35,8 @@
*/
@Deprecated
final class ThrowableProxyHelper {

private static Map<String, Class> className2ClassMap = new ConcurrentHashMap();

private ThrowableProxyHelper() {
// Utility Class
}
Expand Down Expand Up @@ -199,11 +201,15 @@ private static CacheEntry toCacheEntry(final Class<?> callerClass, final boolean
*/
private static Class<?> loadClass(final ClassLoader lastLoader, final String className) {
// XXX: this is overly complicated
Class<?> clazz;
Class<?> clazz = className2ClassMap.get(className);
if (null != clazz) {
return clazz;
}
if (lastLoader != null) {
try {
clazz = lastLoader.loadClass(className);
if (clazz != null) {
className2ClassMap.put(className, clazz);
return clazz;
}
} catch (final Throwable ignore) {
Expand All @@ -213,10 +219,11 @@ private static Class<?> loadClass(final ClassLoader lastLoader, final String cla
try {
clazz = LoaderUtil.loadClass(className);
} catch (final ClassNotFoundException | NoClassDefFoundError e) {
return loadClass(className);
clazz = loadClass(className);
} catch (final SecurityException e) {
return null;
}
className2ClassMap.put(className, clazz);
return clazz;
}

Expand Down
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