MINOR: Remove logContext arrtibute from StreamsGroup and CoordinatorRuntime (#20572)

The `logContext` attribute in `StreamsGroup` and `CoordinatorRuntime` is
not used anymore.  This patch removes it.

Reviewers: Ken Huang <[email protected]>, TengYao Chi
 <[email protected]>, Chia-Ping Tsai <[email protected]>

Author: DL1231

clients/src/main/java/org/apache/kafka/common/network/ChannelBuilders.java

@@ -125,7 +125,7 @@ private static ChannelBuilder create(SecurityProtocol securityProtocol,
         switch (securityProtocol) {
             case SSL:
                 requireNonNullMode(connectionMode, securityProtocol);
-                channelBuilder = new SslChannelBuilder(connectionMode, listenerName, isInterBrokerListener, logContext);
+                channelBuilder = new SslChannelBuilder(connectionMode, listenerName, isInterBrokerListener);
                 break;
             case SASL_SSL:
             case SASL_PLAINTEXT:

clients/src/main/java/org/apache/kafka/common/network/SslChannelBuilder.java

@@ -26,7 +26,6 @@
 import org.apache.kafka.common.security.auth.SslAuthenticationContext;
 import org.apache.kafka.common.security.ssl.SslFactory;
 import org.apache.kafka.common.security.ssl.SslPrincipalMapper;
-import org.apache.kafka.common.utils.LogContext;
 import org.apache.kafka.common.utils.Utils;
 
 import java.io.Closeable;
@@ -53,8 +52,7 @@ public class SslChannelBuilder implements ChannelBuilder, ListenerReconfigurable
      */
     public SslChannelBuilder(ConnectionMode connectionMode,
                              ListenerName listenerName,
-                             boolean isInterBrokerListener,
-                             LogContext logContext) {
+                             boolean isInterBrokerListener) {
         this.connectionMode = connectionMode;
         this.listenerName = listenerName;
         this.isInterBrokerListener = isInterBrokerListener;

clients/src/test/java/org/apache/kafka/common/network/SslSelectorTest.java

@@ -74,11 +74,10 @@ public void setUp() throws Exception {
         this.server.start();
         this.time = new MockTime();
         sslClientConfigs = createSslClientConfigs(trustStoreFile);
-        LogContext logContext = new LogContext();
-        this.channelBuilder = new SslChannelBuilder(ConnectionMode.CLIENT, null, false, logContext);
+        this.channelBuilder = new SslChannelBuilder(ConnectionMode.CLIENT, null, false);
         this.channelBuilder.configure(sslClientConfigs);
         this.metrics = new Metrics();
-        this.selector = new Selector(5000, metrics, time, "MetricGroup", channelBuilder, logContext);
+        this.selector = new Selector(5000, metrics, time, "MetricGroup", channelBuilder, new LogContext());
     }
 
     protected abstract Map<String, Object> createSslClientConfigs(File trustStoreFile) throws GeneralSecurityException, IOException;
@@ -255,7 +254,7 @@ public void testMuteOnOOM() throws Exception {
                 .tlsProtocol(tlsProtocol)
                 .createNewTrustStore(trustStoreFile)
                 .build();
-        channelBuilder = new SslChannelBuilder(ConnectionMode.SERVER, null, false, new LogContext());
+        channelBuilder = new SslChannelBuilder(ConnectionMode.SERVER, null, false);
         channelBuilder.configure(sslServerConfigs);
         selector = new Selector(NetworkReceive.UNLIMITED, 5000, metrics, time, "MetricGroup",
                 new HashMap<>(), true, false, channelBuilder, pool, new LogContext());
@@ -342,7 +341,7 @@ private SslSender createSender(String tlsProtocol, InetSocketAddress serverAddre
     private static class TestSslChannelBuilder extends SslChannelBuilder {
 
         public TestSslChannelBuilder(ConnectionMode connectionMode) {
-            super(connectionMode, null, false, new LogContext());
+            super(connectionMode, null, false);
         }
 
         @Override

clients/src/test/java/org/apache/kafka/common/network/SslTransportLayerTest.java

@@ -767,11 +767,10 @@ public void testApplicationBufferResize(Args args) throws Exception {
     @ParameterizedTest
     @ArgumentsSource(SslTransportLayerArgumentsProvider.class)
     public void testNetworkThreadTimeRecorded(Args args) throws Exception {
-        LogContext logContext = new LogContext();
-        ChannelBuilder channelBuilder = new SslChannelBuilder(ConnectionMode.CLIENT, null, false, logContext);
+        ChannelBuilder channelBuilder = new SslChannelBuilder(ConnectionMode.CLIENT, null, false);
         channelBuilder.configure(args.sslClientConfigs);
         try (Selector selector = new Selector(NetworkReceive.UNLIMITED, Selector.NO_IDLE_TIMEOUT_MS, new Metrics(), Time.SYSTEM,
-                "MetricGroup", new HashMap<>(), false, true, channelBuilder, MemoryPool.NONE, logContext)) {
+                "MetricGroup", new HashMap<>(), false, true, channelBuilder, MemoryPool.NONE, new LogContext())) {
 
             String node = "0";
             server = createEchoServer(args, SecurityProtocol.SSL);
@@ -967,7 +966,7 @@ public void testClosePlaintext(Args args) throws Exception {
     }
 
     private SslChannelBuilder newClientChannelBuilder() {
-        return new SslChannelBuilder(ConnectionMode.CLIENT, null, false, new LogContext());
+        return new SslChannelBuilder(ConnectionMode.CLIENT, null, false);
     }
 
     private void testClose(Args args, SecurityProtocol securityProtocol, ChannelBuilder clientChannelBuilder) throws Exception {
@@ -1311,10 +1310,9 @@ private NioEchoServer createEchoServer(Args args, SecurityProtocol securityProto
     }
 
     private Selector createSelector(Args args) {
-        LogContext logContext = new LogContext();
-        ChannelBuilder channelBuilder = new SslChannelBuilder(ConnectionMode.CLIENT, null, false, logContext);
+        ChannelBuilder channelBuilder = new SslChannelBuilder(ConnectionMode.CLIENT, null, false);
         channelBuilder.configure(args.sslClientConfigs);
-        selector = new Selector(5000, new Metrics(), TIME, "MetricGroup", channelBuilder, logContext);
+        selector = new Selector(5000, new Metrics(), TIME, "MetricGroup", channelBuilder, new LogContext());
         return selector;
     }
 
@@ -1371,7 +1369,7 @@ static class TestSslChannelBuilder extends SslChannelBuilder {
         int flushDelayCount = 0;
 
         public TestSslChannelBuilder(ConnectionMode connectionMode) {
-            super(connectionMode, null, false, new LogContext());
+            super(connectionMode, null, false);
         }
 
         public void configureBufferSizes(Integer netReadBufSize, Integer netWriteBufSize, Integer appBufSize) {

clients/src/test/java/org/apache/kafka/common/network/SslTransportTls12Tls13Test.java

@@ -50,10 +50,9 @@ public void setup() throws Exception {
         sslServerConfigs = serverCertStores.getTrustingConfig(clientCertStores);
         sslClientConfigs = clientCertStores.getTrustingConfig(serverCertStores);
 
-        LogContext logContext = new LogContext();
-        ChannelBuilder channelBuilder = new SslChannelBuilder(ConnectionMode.CLIENT, null, false, logContext);
+        ChannelBuilder channelBuilder = new SslChannelBuilder(ConnectionMode.CLIENT, null, false);
         channelBuilder.configure(sslClientConfigs);
-        this.selector = new Selector(5000, new Metrics(), TIME, "MetricGroup", channelBuilder, logContext);
+        this.selector = new Selector(5000, new Metrics(), TIME, "MetricGroup", channelBuilder, new LogContext());
     }
 
     @AfterEach

coordinator-common/src/main/java/org/apache/kafka/coordinator/common/runtime/CoordinatorRuntime.java

@@ -1923,11 +1923,6 @@ public void onHighWatermarkUpdated(
      */
     private final String logPrefix;
 
-    /**
-     * The log context.
-     */
-    private final LogContext logContext;
-
     /**
      * The logger.
      */
@@ -2054,7 +2049,6 @@ private CoordinatorRuntime(
         ExecutorService executorService
     ) {
         this.logPrefix = logPrefix;
-        this.logContext = logContext;
         this.log = logContext.logger(CoordinatorRuntime.class);
         this.time = time;
         this.timer = timer;

group-coordinator/src/main/java/org/apache/kafka/coordinator/group/streams/StreamsGroup.java

@@ -113,7 +113,6 @@ public static class DeadlineAndEpoch {
         }
     }
 
-    private final LogContext logContext;
     private final Logger log;
 
     /**
@@ -217,7 +216,6 @@ public StreamsGroup(
         String groupId
     ) {
         this.log = logContext.logger(StreamsGroup.class);
-        this.logContext = logContext;
         this.snapshotRegistry = Objects.requireNonNull(snapshotRegistry);
         this.groupId = Objects.requireNonNull(groupId);
         this.state = new TimelineObject<>(snapshotRegistry, EMPTY);