Fix reflective instantiation of EventHandler
diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/async/AsyncLoggerConfigDisruptor.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/async/AsyncLoggerConfigDisruptor.java
index 35f865a..ba5fd4d 100644
--- a/log4j-core/src/main/java/org/apache/logging/log4j/core/async/AsyncLoggerConfigDisruptor.java
+++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/async/AsyncLoggerConfigDisruptor.java
@@ -41,7 +41,6 @@
import org.apache.logging.log4j.core.util.Log4jThreadFactory;
import org.apache.logging.log4j.core.util.Throwables;
import org.apache.logging.log4j.message.ReusableMessage;
-import org.apache.logging.log4j.util.LoaderUtil;
/**
* Helper class decoupling the {@code AsyncLoggerConfig} class from the LMAX Disruptor library.
@@ -138,7 +137,9 @@
* </p>
*/
private static final class Log4jEventWrapperHandler3 extends Log4jEventWrapperHandler
- implements SequenceReportingEventHandler<Log4jEventWrapper> {}
+ implements SequenceReportingEventHandler<Log4jEventWrapper> {
+ public Log4jEventWrapperHandler3() {}
+ }
/**
* Factory used to populate the RingBuffer with events. These event objects are then re-used during the life of the
@@ -174,8 +175,10 @@
private Log4jEventWrapperHandler createEventHandler() {
if (DisruptorUtil.DISRUPTOR_MAJOR_VERSION == 3) {
try {
- return LoaderUtil.newInstanceOf(
- "org.apache.logging.log4j.core.async.AsyncLoggerConfigDisruptor$Log4jEventWrapperHandler3");
+ return (Log4jEventWrapperHandler) Class.forName(
+ "org.apache.logging.log4j.core.async.AsyncLoggerConfigDisruptor$Log4jEventWrapperHandler3")
+ .getConstructor()
+ .newInstance();
} catch (final ReflectiveOperationException | LinkageError e) {
LOGGER.warn("Failed to create event handler for LMAX Disruptor 3.x, trying version 4.x.", e);
}
