Logging: Drop another deprecated Loggers method (#34520)

Drop a method from `Loggers` that we deprecated because it just
delegated to `LogManager`.

modules/transport-netty4/src/main/java/org/elasticsearch/transport/netty4/Netty4InternalESLogger.java

@@ -21,8 +21,8 @@
 
 import io.netty.util.internal.logging.AbstractInternalLogger;
 import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
 import org.elasticsearch.common.SuppressLoggerChecks;
-import org.elasticsearch.common.logging.Loggers;
 
 @SuppressLoggerChecks(reason = "safely delegates to logger")
 class Netty4InternalESLogger extends AbstractInternalLogger {
@@ -31,7 +31,7 @@ class Netty4InternalESLogger extends AbstractInternalLogger {
 
     Netty4InternalESLogger(final String name) {
         super(name);
-        this.logger = Loggers.getLogger(name);
+        this.logger = LogManager.getLogger(name);
     }
 
     @Override

server/src/main/java/org/elasticsearch/common/logging/Loggers.java

@@ -76,15 +76,6 @@ public static Logger getLogger(Logger parentLogger, String s) {
         return ESLoggerFactory.getLogger(prefix, parentLogger.getName() + s);
     }
 
-    /**
-     * Get or build a logger.
-     * @deprecated Prefer {@link LogManager#getLogger}
-     */
-    @Deprecated
-    public static Logger getLogger(String s) {
-        return LogManager.getLogger(s);
-    }
-
     /**
      * Get or build a logger.
      * @deprecated Prefer {@link LogManager#getLogger}

server/src/test/java/org/elasticsearch/cluster/service/ClusterApplierServiceTests.java

@@ -20,6 +20,7 @@
 
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
 import org.elasticsearch.Version;
 import org.elasticsearch.cluster.ClusterName;
 import org.elasticsearch.cluster.ClusterState;
@@ -128,7 +129,7 @@ public void testClusterStateUpdateLogging() throws Exception {
                         Level.TRACE,
                         "*failed to execute cluster state applier in [2s]*"));
 
-        Logger clusterLogger = Loggers.getLogger("org.elasticsearch.cluster.service");
+        Logger clusterLogger = LogManager.getLogger("org.elasticsearch.cluster.service");
         Loggers.addAppender(clusterLogger, mockAppender);
         try {
             final CountDownLatch latch = new CountDownLatch(3);
@@ -208,7 +209,7 @@ public void testLongClusterStateUpdateLogging() throws Exception {
                         Level.WARN,
                         "*cluster state applier task [test3] took [34s] above the warn threshold of *"));
 
-        Logger clusterLogger = Loggers.getLogger("org.elasticsearch.cluster.service");
+        Logger clusterLogger = LogManager.getLogger("org.elasticsearch.cluster.service");
         Loggers.addAppender(clusterLogger, mockAppender);
         try {
             final CountDownLatch latch = new CountDownLatch(4);

server/src/test/java/org/elasticsearch/cluster/service/MasterServiceTests.java

@@ -20,6 +20,7 @@
 
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
 import org.elasticsearch.ExceptionsHelper;
 import org.elasticsearch.Version;
 import org.elasticsearch.cluster.AckedClusterStateUpdateTask;
@@ -325,7 +326,7 @@ public void testClusterStateUpdateLogging() throws Exception {
                 Level.DEBUG,
                 "*processing [test3]: took [3s] done publishing updated cluster state (version: *, uuid: *)"));
 
-        Logger clusterLogger = Loggers.getLogger(masterService.getClass().getPackage().getName());
+        Logger clusterLogger = LogManager.getLogger(masterService.getClass().getPackage().getName());
         Loggers.addAppender(clusterLogger, mockAppender);
         try {
             final CountDownLatch latch = new CountDownLatch(4);
@@ -672,7 +673,7 @@ public void testLongClusterStateUpdateLogging() throws Exception {
                 Level.WARN,
                 "*cluster state update task [test4] took [34s] above the warn threshold of *"));
 
-        Logger clusterLogger = Loggers.getLogger(masterService.getClass().getPackage().getName());
+        Logger clusterLogger = LogManager.getLogger(masterService.getClass().getPackage().getName());
         Loggers.addAppender(clusterLogger, mockAppender);
         try {
             final CountDownLatch latch = new CountDownLatch(5);

server/src/test/java/org/elasticsearch/common/settings/SettingsFilterTests.java

@@ -20,6 +20,7 @@
 
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
 import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.logging.Loggers;
 import org.elasticsearch.common.settings.Setting.Property;
@@ -132,7 +133,7 @@ public void testRegularSettingUpdateIsFullyLogged() throws Exception {
 
     private void assertExpectedLogMessages(Consumer<Logger> consumer,
                                            MockLogAppender.LoggingExpectation ... expectations) throws IllegalAccessException {
-        Logger testLogger = Loggers.getLogger("org.elasticsearch.test");
+        Logger testLogger = LogManager.getLogger("org.elasticsearch.test");
         MockLogAppender appender = new MockLogAppender();
         Loggers.addAppender(testLogger, appender);
         try {

server/src/test/java/org/elasticsearch/index/MergeSchedulerSettingsTests.java

@@ -21,6 +21,7 @@
 
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.core.LogEvent;
 import org.apache.logging.log4j.core.appender.AbstractAppender;
 import org.apache.logging.log4j.core.filter.RegexFilter;
@@ -70,7 +71,7 @@ public boolean ignoreExceptions() {
     public void testUpdateAutoThrottleSettings() throws Exception {
         MockAppender mockAppender = new MockAppender("testUpdateAutoThrottleSettings");
         mockAppender.start();
-        final Logger settingsLogger = Loggers.getLogger("org.elasticsearch.common.settings.IndexScopedSettings");
+        final Logger settingsLogger = LogManager.getLogger("org.elasticsearch.common.settings.IndexScopedSettings");
         Loggers.addAppender(settingsLogger, mockAppender);
         Loggers.setLevel(settingsLogger, Level.TRACE);
         try {
@@ -101,7 +102,7 @@ public void testUpdateAutoThrottleSettings() throws Exception {
     public void testUpdateMergeMaxThreadCount() throws Exception {
         MockAppender mockAppender = new MockAppender("testUpdateAutoThrottleSettings");
         mockAppender.start();
-        final Logger settingsLogger = Loggers.getLogger("org.elasticsearch.common.settings.IndexScopedSettings");
+        final Logger settingsLogger = LogManager.getLogger("org.elasticsearch.common.settings.IndexScopedSettings");
         Loggers.addAppender(settingsLogger, mockAppender);
         Loggers.setLevel(settingsLogger, Level.TRACE);
         try {

server/src/test/java/org/elasticsearch/index/engine/InternalEngineTests.java

@@ -2368,7 +2368,7 @@ public void testIndexWriterIFDInfoStream() throws IllegalAccessException, IOExce
         MockAppender mockAppender = new MockAppender("testIndexWriterIFDInfoStream");
         mockAppender.start();
 
-        final Logger iwIFDLogger = Loggers.getLogger("org.elasticsearch.index.engine.Engine.IFD");
+        final Logger iwIFDLogger = LogManager.getLogger("org.elasticsearch.index.engine.Engine.IFD");
 
         Loggers.addAppender(iwIFDLogger, mockAppender);
         Loggers.setLevel(iwIFDLogger, Level.DEBUG);

test/framework/src/main/java/org/elasticsearch/test/junit/listeners/LoggingListener.java

@@ -80,7 +80,7 @@ private static Logger resolveLogger(String loggerName) {
         if (loggerName.equalsIgnoreCase("_root")) {
             return LogManager.getRootLogger();
         }
-        return Loggers.getLogger(loggerName);
+        return LogManager.getLogger(loggerName);
     }
 
     /**

test/framework/src/test/java/org/elasticsearch/test/test/LoggingListenerTests.java

@@ -22,7 +22,6 @@
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.LogManager;
-import org.elasticsearch.common.logging.Loggers;
 import org.elasticsearch.test.ESTestCase;
 import org.elasticsearch.test.junit.annotations.TestLogging;
 import org.elasticsearch.test.junit.listeners.LoggingListener;
@@ -48,8 +47,8 @@ public void testCustomLevelPerMethod() throws Exception {
 
         Description suiteDescription = Description.createSuiteDescription(TestClass.class);
 
-        Logger xyzLogger = Loggers.getLogger("xyz");
-        Logger abcLogger = Loggers.getLogger("abc");
+        Logger xyzLogger = LogManager.getLogger("xyz");
+        Logger abcLogger = LogManager.getLogger("abc");
 
         final Level level = LogManager.getRootLogger().getLevel();
 
@@ -80,13 +79,13 @@ public void testCustomLevelPerClass() throws Exception {
 
         Description suiteDescription = Description.createSuiteDescription(AnnotatedTestClass.class);
 
-        Logger abcLogger = Loggers.getLogger("abc");
-        Logger xyzLogger = Loggers.getLogger("xyz");
+        Logger abcLogger = LogManager.getLogger("abc");
+        Logger xyzLogger = LogManager.getLogger("xyz");
         // we include foo and foo.bar to maintain that logging levels are applied from the top of the hierarchy down; this ensures that
         // setting the logging level for a parent logger and a child logger applies the parent level first and then the child as otherwise
         // setting the parent level would overwrite the child level
-        Logger fooLogger = Loggers.getLogger("foo");
-        Logger fooBarLogger = Loggers.getLogger("foo.bar");
+        Logger fooLogger = LogManager.getLogger("foo");
+        Logger fooBarLogger = LogManager.getLogger("foo.bar");
 
         final Level level = LogManager.getRootLogger().getLevel();
 
@@ -125,8 +124,8 @@ public void testCustomLevelPerClassAndPerMethod() throws Exception {
 
         Description suiteDescription = Description.createSuiteDescription(AnnotatedTestClass.class);
 
-        Logger abcLogger = Loggers.getLogger("abc");
-        Logger xyzLogger = Loggers.getLogger("xyz");
+        Logger abcLogger = LogManager.getLogger("abc");
+        Logger xyzLogger = LogManager.getLogger("xyz");
 
         final Level level = LogManager.getRootLogger().getLevel();
 

x-pack/plugin/security/src/main/java/org/elasticsearch/xpack/security/authc/saml/SamlMetadataCommand.java

@@ -31,6 +31,7 @@
 import joptsimple.OptionSpec;
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
 import org.elasticsearch.cli.EnvironmentAwareCommand;
 import org.elasticsearch.cli.ExitCodes;
 import org.elasticsearch.cli.SuppressForbidden;
@@ -141,9 +142,9 @@ public void close() throws IOException {
     @Override
     protected void execute(Terminal terminal, OptionSet options, Environment env) throws Exception {
         // OpenSAML prints a lot of _stuff_ at info level, that really isn't needed in a command line tool.
-        Loggers.setLevel(Loggers.getLogger("org.opensaml"), Level.WARN);
+        Loggers.setLevel(LogManager.getLogger("org.opensaml"), Level.WARN);
 
-        final Logger logger = Loggers.getLogger(getClass());
+        final Logger logger = LogManager.getLogger(getClass());
         SamlUtils.initialize(logger);
 
         final EntityDescriptor descriptor = buildEntityDescriptor(terminal, options, env);