IGNITE-16101 Updated log4j version to 2.15 (#9643)

Author: nao-it

modules/log4j2/src/main/java/org/apache/ignite/logger/log4j2/Log4J2Logger.java

@@ -18,7 +18,6 @@
 package org.apache.ignite.logger.log4j2;
 
 import java.io.File;
-import java.lang.reflect.Field;
 import java.net.URL;
 import java.nio.charset.Charset;
 import java.util.Map;
@@ -234,27 +233,18 @@ static void cleanup() {
                     return ((RollingFileAppender)a).getFileName();
 
                 if (a instanceof RoutingAppender) {
-                    try {
-                        RoutingAppender routing = (RoutingAppender)a;
+                    RoutingAppender routing = (RoutingAppender)a;
 
-                        Field appsFiled = routing.getClass().getDeclaredField("appenders");
+                    Map<String, AppenderControl> appenders = routing.getAppenders();
 
-                        appsFiled.setAccessible(true);
+                    for (AppenderControl control : appenders.values()) {
+                        Appender innerApp = control.getAppender();
 
-                        Map<String, AppenderControl> appenders = (Map<String, AppenderControl>)appsFiled.get(routing);
+                        if (innerApp instanceof FileAppender)
+                            return normalize(((FileAppender)innerApp).getFileName());
 
-                        for (AppenderControl control : appenders.values()) {
-                            Appender innerApp = control.getAppender();
-
-                            if (innerApp instanceof FileAppender)
-                                return normalize(((FileAppender)innerApp).getFileName());
-
-                            if (innerApp instanceof RollingFileAppender)
-                                return normalize(((RollingFileAppender)innerApp).getFileName());
-                        }
-                    }
-                    catch (IllegalAccessException | NoSuchFieldException e) {
-                        error("Failed to get file name (was the implementation of log4j2 changed?).", e);
+                        if (innerApp instanceof RollingFileAppender)
+                            return normalize(((RollingFileAppender)innerApp).getFileName());
                     }
                 }
             }

parent/pom.xml

@@ -101,7 +101,7 @@
         <jtidy.version>r938</jtidy.version>
         <kafka.version>2.0.1</kafka.version>
         <karaf.version>4.0.2</karaf.version>
-        <log4j.version>2.11.0</log4j.version>
+        <log4j.version>2.15.0</log4j.version>
         <lucene.bundle.version>7.4.0_1</lucene.bundle.version>
         <lucene.version>7.4.0</lucene.version>
         <lz4.version>1.5.0</lz4.version>