Bump version to 1.68.2

Create `ClientFrameHandler` with failing source to be used in case of failed 2nd thread scheduling. Fixes NPE from https://github.com/grpc/grpc-java/pull/11503.

MODULE.bazel

@@ -2,7 +2,7 @@ module(
     name = "grpc-java",
     compatibility_level = 0,
     repo_name = "io_grpc_grpc_java",
-    version = "1.68.0-SNAPSHOT",  # CURRENT_GRPC_VERSION
+    version = "1.68.2",  # CURRENT_GRPC_VERSION
 )
 
 # GRPC_DEPS_START

README.md

@@ -44,8 +44,8 @@ For a guided tour, take a look at the [quick start
 guide](https://grpc.io/docs/languages/java/quickstart) or the more explanatory [gRPC
 basics](https://grpc.io/docs/languages/java/basics).
 
-The [examples](https://github.com/grpc/grpc-java/tree/v1.67.1/examples) and the
-[Android example](https://github.com/grpc/grpc-java/tree/v1.67.1/examples/android)
+The [examples](https://github.com/grpc/grpc-java/tree/v1.68.2/examples) and the
+[Android example](https://github.com/grpc/grpc-java/tree/v1.68.2/examples/android)
 are standalone projects that showcase the usage of gRPC.
 
 Download
@@ -56,18 +56,18 @@ Download [the JARs][]. Or for Maven with non-Android, add to your `pom.xml`:
 <dependency>
   <groupId>io.grpc</groupId>
   <artifactId>grpc-netty-shaded</artifactId>
-  <version>1.67.1</version>
+  <version>1.68.2</version>
   <scope>runtime</scope>
 </dependency>
 <dependency>
   <groupId>io.grpc</groupId>
   <artifactId>grpc-protobuf</artifactId>
-  <version>1.67.1</version>
+  <version>1.68.2</version>
 </dependency>
 <dependency>
   <groupId>io.grpc</groupId>
   <artifactId>grpc-stub</artifactId>
-  <version>1.67.1</version>
+  <version>1.68.2</version>
 </dependency>
 <dependency> <!-- necessary for Java 9+ -->
   <groupId>org.apache.tomcat</groupId>
@@ -79,18 +79,18 @@ Download [the JARs][]. Or for Maven with non-Android, add to your `pom.xml`:
 
 Or for Gradle with non-Android, add to your dependencies:
 ```gradle
-runtimeOnly 'io.grpc:grpc-netty-shaded:1.67.1'
-implementation 'io.grpc:grpc-protobuf:1.67.1'
-implementation 'io.grpc:grpc-stub:1.67.1'
+runtimeOnly 'io.grpc:grpc-netty-shaded:1.68.2'
+implementation 'io.grpc:grpc-protobuf:1.68.2'
+implementation 'io.grpc:grpc-stub:1.68.2'
 compileOnly 'org.apache.tomcat:annotations-api:6.0.53' // necessary for Java 9+
 ```
 
 For Android client, use `grpc-okhttp` instead of `grpc-netty-shaded` and
 `grpc-protobuf-lite` instead of `grpc-protobuf`:
 ```gradle
-implementation 'io.grpc:grpc-okhttp:1.67.1'
-implementation 'io.grpc:grpc-protobuf-lite:1.67.1'
-implementation 'io.grpc:grpc-stub:1.67.1'
+implementation 'io.grpc:grpc-okhttp:1.68.2'
+implementation 'io.grpc:grpc-protobuf-lite:1.68.2'
+implementation 'io.grpc:grpc-stub:1.68.2'
 compileOnly 'org.apache.tomcat:annotations-api:6.0.53' // necessary for Java 9+
 ```
 
@@ -99,7 +99,7 @@ For [Bazel](https://bazel.build), you can either
 (with the GAVs from above), or use `@io_grpc_grpc_java//api` et al (see below).
 
 [the JARs]:
-https://search.maven.org/search?q=g:io.grpc%20AND%20v:1.67.1
+https://search.maven.org/search?q=g:io.grpc%20AND%20v:1.68.2
 
 Development snapshots are available in [Sonatypes's snapshot
 repository](https://oss.sonatype.org/content/repositories/snapshots/).
@@ -129,9 +129,9 @@ For protobuf-based codegen integrated with the Maven build system, you can use
       <artifactId>protobuf-maven-plugin</artifactId>
       <version>0.6.1</version>
       <configuration>
-        <protocArtifact>com.google.protobuf:protoc:3.25.3:exe:${os.detected.classifier}</protocArtifact>
+        <protocArtifact>com.google.protobuf:protoc:3.25.5:exe:${os.detected.classifier}</protocArtifact>
         <pluginId>grpc-java</pluginId>
-        <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.67.1:exe:${os.detected.classifier}</pluginArtifact>
+        <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.68.2:exe:${os.detected.classifier}</pluginArtifact>
       </configuration>
       <executions>
         <execution>
@@ -157,11 +157,11 @@ plugins {
 
 protobuf {
   protoc {
-    artifact = "com.google.protobuf:protoc:3.25.3"
+    artifact = "com.google.protobuf:protoc:3.25.5"
   }
   plugins {
     grpc {
-      artifact = 'io.grpc:protoc-gen-grpc-java:1.67.1'
+      artifact = 'io.grpc:protoc-gen-grpc-java:1.68.2'
     }
   }
   generateProtoTasks {
@@ -190,11 +190,11 @@ plugins {
 
 protobuf {
   protoc {
-    artifact = "com.google.protobuf:protoc:3.25.3"
+    artifact = "com.google.protobuf:protoc:3.25.5"
   }
   plugins {
     grpc {
-      artifact = 'io.grpc:protoc-gen-grpc-java:1.67.1'
+      artifact = 'io.grpc:protoc-gen-grpc-java:1.68.2'
     }
   }
   generateProtoTasks {

api/src/main/java/io/grpc/NameResolver.java

@@ -219,13 +219,15 @@ public abstract class NameResolver {
     @Override
     @Deprecated
     @InlineMe(
-        replacement = "this.onResult2(ResolutionResult.newBuilder().setAddressesOrError("
+        replacement = "this.onResult(ResolutionResult.newBuilder().setAddressesOrError("
             + "StatusOr.fromValue(servers)).setAttributes(attributes).build())",
         imports = {"io.grpc.NameResolver.ResolutionResult", "io.grpc.StatusOr"})
     public final void onAddresses(
         List<EquivalentAddressGroup> servers, @ResolutionResultAttr Attributes attributes) {
       // TODO(jihuncho) need to promote Listener2 if we want to use ConfigOrError
-      onResult2(
+      // Calling onResult and not onResult2 because onResult2 can only be called from a
+      // synchronization context.
+      onResult(
           ResolutionResult.newBuilder().setAddressesOrError(
               StatusOr.fromValue(servers)).setAttributes(attributes).build());
     }

build.gradle

@@ -21,7 +21,7 @@ subprojects {
     apply plugin: "net.ltgt.errorprone"
 
     group = "io.grpc"
-    version = "1.68.0-SNAPSHOT" // CURRENT_GRPC_VERSION
+    version = "1.68.2" // CURRENT_GRPC_VERSION
 
     repositories {
         maven { // The google mirror is less flaky than mavenCentral()

compiler/src/test/golden/TestDeprecatedService.java.txt

@@ -8,7 +8,7 @@ import static io.grpc.MethodDescriptor.generateFullMethodName;
  * </pre>
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.68.0-SNAPSHOT)",
+    value = "by gRPC proto compiler (version 1.68.2)",
     comments = "Source: grpc/testing/compiler/test.proto")
 @io.grpc.stub.annotations.GrpcGenerated
 @java.lang.Deprecated

compiler/src/test/golden/TestService.java.txt

@@ -8,7 +8,7 @@ import static io.grpc.MethodDescriptor.generateFullMethodName;
  * </pre>
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.68.0-SNAPSHOT)",
+    value = "by gRPC proto compiler (version 1.68.2)",
     comments = "Source: grpc/testing/compiler/test.proto")
 @io.grpc.stub.annotations.GrpcGenerated
 public final class TestServiceGrpc {

core/src/main/java/io/grpc/internal/GrpcUtil.java

@@ -219,7 +219,7 @@ public final class GrpcUtil {
 
   public static final Splitter ACCEPT_ENCODING_SPLITTER = Splitter.on(',').trimResults();
 
-  public static final String IMPLEMENTATION_VERSION = "1.68.0-SNAPSHOT"; // CURRENT_GRPC_VERSION
+  public static final String IMPLEMENTATION_VERSION = "1.68.2"; // CURRENT_GRPC_VERSION
 
   /**
    * The default timeout in nanos for a keepalive ping request.

examples/MODULE.bazel

@@ -1,5 +1,5 @@
 bazel_dep(name = "googleapis", repo_name = "com_google_googleapis", version = "0.0.0-20240326-1c8d509c5")
-bazel_dep(name = "grpc-java", repo_name = "io_grpc_grpc_java", version = "1.66.0-SNAPSHOT")  # CURRENT_GRPC_VERSION
+bazel_dep(name = "grpc-java", repo_name = "io_grpc_grpc_java", version = "1.68.2")  # CURRENT_GRPC_VERSION
 bazel_dep(name = "grpc-proto", repo_name = "io_grpc_grpc_proto", version = "0.0.0-20240627-ec30f58")
 bazel_dep(name = "protobuf", repo_name = "com_google_protobuf", version = "23.1")
 bazel_dep(name = "rules_jvm_external", version = "6.0")

examples/android/clientcache/app/build.gradle

@@ -34,7 +34,7 @@ android {
 protobuf {
     protoc { artifact = 'com.google.protobuf:protoc:3.25.1' }
     plugins {
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.68.2' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -54,12 +54,12 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.0.0'
 
     // You need to build grpc-java to obtain these libraries below.
-    implementation 'io.grpc:grpc-okhttp:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-protobuf-lite:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-stub:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-okhttp:1.68.2' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-protobuf-lite:1.68.2' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-stub:1.68.2' // CURRENT_GRPC_VERSION
     implementation 'org.apache.tomcat:annotations-api:6.0.53'
 
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'com.google.truth:truth:1.1.5'
-    testImplementation 'io.grpc:grpc-testing:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    testImplementation 'io.grpc:grpc-testing:1.68.2' // CURRENT_GRPC_VERSION
 }

examples/android/helloworld/app/build.gradle

@@ -32,7 +32,7 @@ android {
 protobuf {
     protoc { artifact = 'com.google.protobuf:protoc:3.25.1' }
     plugins {
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.68.2' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -52,8 +52,8 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.0.0'
 
     // You need to build grpc-java to obtain these libraries below.
-    implementation 'io.grpc:grpc-okhttp:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-protobuf-lite:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-stub:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-okhttp:1.68.2' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-protobuf-lite:1.68.2' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-stub:1.68.2' // CURRENT_GRPC_VERSION
     implementation 'org.apache.tomcat:annotations-api:6.0.53'
 }

examples/android/routeguide/app/build.gradle

@@ -32,7 +32,7 @@ android {
 protobuf {
     protoc { artifact = 'com.google.protobuf:protoc:3.25.1' }
     plugins {
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.68.2' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -52,8 +52,8 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.0.0'
 
     // You need to build grpc-java to obtain these libraries below.
-    implementation 'io.grpc:grpc-okhttp:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-protobuf-lite:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-stub:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-okhttp:1.68.2' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-protobuf-lite:1.68.2' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-stub:1.68.2' // CURRENT_GRPC_VERSION
     implementation 'org.apache.tomcat:annotations-api:6.0.53'
 }

examples/android/strictmode/app/build.gradle

@@ -33,7 +33,7 @@ android {
 protobuf {
     protoc { artifact = 'com.google.protobuf:protoc:3.25.1' }
     plugins {
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.68.2' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -53,8 +53,8 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.0.0'
 
     // You need to build grpc-java to obtain these libraries below.
-    implementation 'io.grpc:grpc-okhttp:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-protobuf-lite:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-stub:1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-okhttp:1.68.2' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-protobuf-lite:1.68.2' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-stub:1.68.2' // CURRENT_GRPC_VERSION
     implementation 'org.apache.tomcat:annotations-api:6.0.53'
 }

examples/build.gradle

@@ -23,7 +23,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.5'
 def protocVersion = protobufVersion
 

examples/example-alts/build.gradle

@@ -24,7 +24,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.5'
 
 dependencies {

examples/example-debug/build.gradle

@@ -25,7 +25,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.5'
 
 dependencies {

examples/example-debug/pom.xml

@@ -6,13 +6,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.68.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.68.2</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-debug</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.68.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.68.2</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protoc.version>3.25.5</protoc.version>
     <!-- required for jdk9 -->
     <maven.compiler.source>1.8</maven.compiler.source>

examples/example-dualstack/build.gradle

@@ -25,7 +25,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.5'
 
 dependencies {

examples/example-dualstack/pom.xml

@@ -6,13 +6,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.68.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.68.2</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-dualstack</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.68.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.68.2</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protoc.version>3.25.5</protoc.version>
     <!-- required for jdk9 -->
     <maven.compiler.source>1.8</maven.compiler.source>

examples/example-gauth/build.gradle

@@ -24,7 +24,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.5'
 def protocVersion = protobufVersion
 

examples/example-gauth/pom.xml

@@ -6,13 +6,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.68.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.68.2</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-gauth</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.68.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.68.2</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protobuf.version>3.25.5</protobuf.version>
     <!-- required for jdk9 -->
     <maven.compiler.source>1.8</maven.compiler.source>

examples/example-gcp-csm-observability/build.gradle

@@ -25,7 +25,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.5'
 def openTelemetryVersion = '1.40.0'
 def openTelemetryPrometheusVersion = '1.40.0-alpha'
@@ -34,6 +34,7 @@ dependencies {
     implementation "io.grpc:grpc-protobuf:${grpcVersion}"
     implementation "io.grpc:grpc-stub:${grpcVersion}"
     implementation "io.grpc:grpc-gcp-csm-observability:${grpcVersion}"
+    implementation "io.grpc:grpc-xds:${grpcVersion}"
     implementation "io.opentelemetry:opentelemetry-sdk:${openTelemetryVersion}"
     implementation "io.opentelemetry:opentelemetry-sdk-metrics:${openTelemetryVersion}"
     implementation "io.opentelemetry:opentelemetry-exporter-prometheus:${openTelemetryPrometheusVersion}"

examples/example-gcp-csm-observability/src/main/java/io/grpc/examples/csmobservability/CsmObservabilityClient.java

@@ -25,6 +25,7 @@ import io.grpc.examples.helloworld.GreeterGrpc;
 import io.grpc.examples.helloworld.HelloReply;
 import io.grpc.examples.helloworld.HelloRequest;
 import io.grpc.gcp.csm.observability.CsmObservability;
+import io.grpc.xds.XdsChannelCredentials;
 import io.opentelemetry.exporter.prometheus.PrometheusHttpServer;
 import io.opentelemetry.sdk.OpenTelemetrySdk;
 import io.opentelemetry.sdk.metrics.SdkMeterProvider;
@@ -127,8 +128,10 @@ public class CsmObservabilityClient {
     observability.registerGlobal();
 
     // Create a communication channel to the server, known as a Channel.
-    ManagedChannel channel = Grpc.newChannelBuilder(target, InsecureChannelCredentials.create())
-        .build();
+    ManagedChannel channel =
+        Grpc.newChannelBuilder(
+                target, XdsChannelCredentials.create(InsecureChannelCredentials.create()))
+            .build();
     CsmObservabilityClient client = new CsmObservabilityClient(channel);
 
     try {

examples/example-gcp-csm-observability/src/main/java/io/grpc/examples/csmobservability/CsmObservabilityServer.java

@@ -24,6 +24,8 @@ import io.grpc.examples.helloworld.HelloReply;
 import io.grpc.examples.helloworld.HelloRequest;
 import io.grpc.gcp.csm.observability.CsmObservability;
 import io.grpc.stub.StreamObserver;
+import io.grpc.xds.XdsServerBuilder;
+import io.grpc.xds.XdsServerCredentials;
 import io.opentelemetry.exporter.prometheus.PrometheusHttpServer;
 import io.opentelemetry.sdk.OpenTelemetrySdk;
 import io.opentelemetry.sdk.metrics.SdkMeterProvider;
@@ -40,10 +42,12 @@ public class CsmObservabilityServer {
 
   private Server server;
   private void start(int port) throws IOException {
-    server = Grpc.newServerBuilderForPort(port, InsecureServerCredentials.create())
-        .addService(new GreeterImpl())
-        .build()
-        .start();
+    server =
+        XdsServerBuilder.forPort(
+                port, XdsServerCredentials.create(InsecureServerCredentials.create()))
+            .addService(new GreeterImpl())
+            .build()
+            .start();
     logger.info("Server started, listening on " + port);
   }
 

examples/example-gcp-observability/build.gradle

@@ -25,7 +25,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.5'
 
 dependencies {

examples/example-hostname/build.gradle

@@ -23,7 +23,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.5'
 
 dependencies {

examples/example-hostname/pom.xml

@@ -6,13 +6,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.68.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.68.2</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-hostname</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.68.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.68.2</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protoc.version>3.25.5</protoc.version>
     <!-- required for jdk9 -->
     <maven.compiler.source>1.8</maven.compiler.source>

examples/example-jwt-auth/build.gradle

@@ -23,7 +23,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.5'
 def protocVersion = protobufVersion
 

examples/example-jwt-auth/pom.xml

@@ -7,13 +7,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.68.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.68.2</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-jwt-auth</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.68.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.68.2</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protobuf.version>3.25.5</protobuf.version>
     <protoc.version>3.25.5</protoc.version>
     <!-- required for jdk9 -->

examples/example-oauth/build.gradle

@@ -23,7 +23,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.5'
 def protocVersion = protobufVersion
 

examples/example-oauth/pom.xml

@@ -7,13 +7,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.68.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.68.2</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-oauth</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.68.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.68.2</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protobuf.version>3.25.5</protobuf.version>
     <protoc.version>3.25.5</protoc.version>
     <!-- required for jdk9 -->

examples/example-opentelemetry/build.gradle

@@ -24,7 +24,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.5'
 def openTelemetryVersion = '1.40.0'
 def openTelemetryPrometheusVersion = '1.40.0-alpha'

examples/example-orca/build.gradle

@@ -18,7 +18,7 @@ java {
     targetCompatibility = JavaVersion.VERSION_1_8
 }
 
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.5'
 
 dependencies {

examples/example-reflection/build.gradle

@@ -18,7 +18,7 @@ java {
     targetCompatibility = JavaVersion.VERSION_1_8
 }
 
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.5'
 
 dependencies {

examples/example-servlet/build.gradle

@@ -16,7 +16,7 @@ java {
     targetCompatibility = JavaVersion.VERSION_1_8
 }
 
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.5'
 
 dependencies {

examples/example-tls/build.gradle

@@ -24,7 +24,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.5'
 
 dependencies {

examples/example-tls/pom.xml

@@ -6,13 +6,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.68.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.68.2</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-tls</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.68.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.68.2</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protoc.version>3.25.5</protoc.version>
     <!-- required for jdk9 -->
     <maven.compiler.source>1.8</maven.compiler.source>

examples/example-xds/build.gradle

@@ -23,7 +23,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.68.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.68.2' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.5'
 
 dependencies {

examples/pom.xml

@@ -6,13 +6,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.68.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.68.2</version><!-- CURRENT_GRPC_VERSION -->
   <name>examples</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.68.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.68.2</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protobuf.version>3.25.5</protobuf.version>
     <protoc.version>3.25.5</protoc.version>
     <!-- required for JDK 8 -->

gae-interop-testing/gae-jdk8/src/main/webapp/WEB-INF/appengine-web.xml

@@ -14,6 +14,6 @@
 <!-- [START config] -->
 <appengine-web-app xmlns='http://appengine.google.com/ns/1.0'>
   <service>java-gae-interop-test</service>
-  <runtime>java11</runtime>
+  <runtime>java17</runtime>
 </appengine-web-app>
 <!-- [END config] -->

okhttp/src/main/java/io/grpc/okhttp/OkHttpClientTransport.java

@@ -515,21 +515,6 @@ class OkHttpClientTransport implements ConnectionClientTransport, TransportExcep
     serializingExecutor.execute(new Runnable() {
       @Override
       public void run() {
-        // This is a hack to make sure the connection preface and initial settings to be sent out
-        // without blocking the start. By doing this essentially prevents potential deadlock when
-        // network is not available during startup while another thread holding lock to send the
-        // initial preface.
-        try {
-          latch.await();
-          barrier.await(1000, TimeUnit.MILLISECONDS);
-        } catch (InterruptedException e) {
-          Thread.currentThread().interrupt();
-        } catch (TimeoutException | BrokenBarrierException e) {
-          startGoAway(0, ErrorCode.INTERNAL_ERROR, Status.UNAVAILABLE
-              .withDescription("Timed out waiting for second handshake thread. "
-                + "The transport executor pool may have run out of threads"));
-          return;
-        }
         // Use closed source on failure so that the reader immediately shuts down.
         BufferedSource source = Okio.buffer(new Source() {
           @Override
@@ -549,6 +534,22 @@ class OkHttpClientTransport implements ConnectionClientTransport, TransportExcep
         Socket sock;
         SSLSession sslSession = null;
         try {
+          // This is a hack to make sure the connection preface and initial settings to be sent out
+          // without blocking the start. By doing this essentially prevents potential deadlock when
+          // network is not available during startup while another thread holding lock to send the
+          // initial preface.
+          try {
+            latch.await();
+            barrier.await(1000, TimeUnit.MILLISECONDS);
+          } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+          } catch (TimeoutException | BrokenBarrierException e) {
+            startGoAway(0, ErrorCode.INTERNAL_ERROR, Status.UNAVAILABLE
+                .withDescription("Timed out waiting for second handshake thread. "
+                    + "The transport executor pool may have run out of threads"));
+            return;
+          }
+
           if (proxiedAddr == null) {
             sock = socketFactory.createSocket(address.getAddress(), address.getPort());
           } else {

stub/src/main/java/io/grpc/stub/ServerCalls.java

@@ -335,7 +335,6 @@ public final class ServerCalls {
     private boolean aborted = false;
     private boolean completed = false;
     private Runnable onCloseHandler;
-    private RespT unaryResponse;
 
     // Non private to avoid synthetic class
     ServerCallStreamObserverImpl(ServerCall<ReqT, RespT> call, boolean serverStreamingOrBidi) {
@@ -374,22 +373,15 @@ public final class ServerCalls {
       }
       checkState(!aborted, "Stream was terminated by error, no further calls are allowed");
       checkState(!completed, "Stream is already completed, no further calls are allowed");
-      if (serverStreamingOrBidi) {
-        if (!sentHeaders) {
-          call.sendHeaders(new Metadata());
-          sentHeaders = true;
-        }
-        call.sendMessage(response);
-      } else {
-        unaryResponse = response;
+      if (!sentHeaders) {
+        call.sendHeaders(new Metadata());
+        sentHeaders = true;
       }
+      call.sendMessage(response);
     }
 
     @Override
     public void onError(Throwable t) {
-      if (!serverStreamingOrBidi) {
-        unaryResponse = null;
-      }
       Metadata metadata = Status.trailersFromThrowable(t);
       if (metadata == null) {
         metadata = new Metadata();
@@ -400,14 +392,6 @@ public final class ServerCalls {
 
     @Override
     public void onCompleted() {
-      if (!serverStreamingOrBidi && unaryResponse != null) {
-        if (!sentHeaders) {
-          call.sendHeaders(new Metadata());
-          sentHeaders = true;
-        }
-        call.sendMessage(unaryResponse);
-        unaryResponse = null;
-      }
       call.close(Status.OK, new Metadata());
       completed = true;
     }

stub/src/test/java/io/grpc/stub/ServerCallsTest.java

@@ -33,7 +33,6 @@ import io.grpc.ServerCallHandler;
 import io.grpc.ServerServiceDefinition;
 import io.grpc.ServiceDescriptor;
 import io.grpc.Status;
-import io.grpc.Status.Code;
 import io.grpc.StatusRuntimeException;
 import io.grpc.inprocess.InProcessChannelBuilder;
 import io.grpc.inprocess.InProcessServerBuilder;
@@ -621,59 +620,6 @@ public class ServerCallsTest {
     assertArrayEquals(new int[]{0, 1, 1, 2, 2, 2}, receivedMessages);
   }
 
-  @Test
-  public void serverUnaryResponseMsgWithOkStatus() {
-    ServerCallHandler<Integer, Integer> serverCallHandler =
-        ServerCalls.asyncUnaryCall(
-            new ServerCalls.UnaryMethod<Integer, Integer>() {
-              @Override
-              public void invoke(Integer request, StreamObserver<Integer> responseObserver) {
-                responseObserver.onNext(request);
-                responseObserver.onCompleted();
-              }
-            });
-    ServerCall.Listener<Integer> callListener =
-        serverCallHandler.startCall(serverCall, new Metadata());
-    serverCall.isReady = true;
-    serverCall.isCancelled = false;
-    callListener.onReady();
-    callListener.onMessage(1);
-    callListener.onHalfClose();
-
-    assertThat(serverCall.status.getCode()).isEqualTo(Code.OK);
-    assertThat(serverCall.responses).containsExactly(1);
-  }
-
-  @Test
-  public void serverUnaryResponseMsgWithNotOkStatus() {
-    ServerCallHandler<Integer, Integer> serverCallHandler =
-        ServerCalls.asyncUnaryCall(
-            new ServerCalls.UnaryMethod<Integer, Integer>() {
-              @Override
-              public void invoke(Integer request, StreamObserver<Integer> responseObserver) {
-                responseObserver.onNext(request);
-                responseObserver.onError(
-                    Status.INTERNAL
-                        .withDescription("Response message is null for unary call")
-                        .asRuntimeException());
-              }
-            });
-
-    ServerCall.Listener<Integer> callListener =
-        serverCallHandler.startCall(serverCall, new Metadata());
-
-    serverCall.isReady = true;
-    serverCall.isCancelled = false;
-    callListener.onReady();
-    callListener.onMessage(1);
-    callListener.onHalfClose();
-
-    assertThat(serverCall.status.getCode()).isEqualTo(Code.INTERNAL);
-    assertThat(serverCall.status.getDescription())
-        .isEqualTo("Response message is null for unary call");
-    assertThat(serverCall.responses).isEmpty();
-  }
-
   public static class IntegerMarshaller implements MethodDescriptor.Marshaller<Integer> {
     @Override
     public InputStream stream(Integer value) {