grpc-up-and-running / samples Goto Github PK

Samples of the book gRPC Up and Running. Each sample is based on a real-world use case and details of the use case can be found in the respective chapter of the book.

License: Other

Go 44.56% Java 42.27% Python 10.22% Dockerfile 0.58% Starlark 0.09% JavaScript 1.10% Kotlin 1.17%

samples's Introduction

Welcome

Welcome to the resource repository of the book "gRPC - Up and Running".

All the samples of this repository require to have the accompanying book gRPC Up and Running. Each sample is based on a real-world use case and details of the use case can be found in the respective chapter of the book.

Don't have gRPC Up and Running book yet?

You can purchase it from following book sellers worldwide.

Prerequisites

Installing Go
Download the latest Go distribution file from Go’s official download page and follow the steps to install Go language.
Installing Java
Samples are tested in JDK 1.8 version. Recommended to install JDK 1.8 version. Java official downland page
Installing Gradle
Gradle is required for builing and running all the Java samples. So, please install Gradle if you plan to try out Java samples of the book.
Installing protoc
protoc is required for generating code for your protocol buffer based gRPC service definitions (IDLs). Hence please install if you plan to use code generation.

Samples from the gRPC Up and Running Book

Chapter 01 - Introduction to gRPC
- No code samples required for this chapter.
Chapter 02 - Getting Started with gRPC
- Getting Started with gRPC [Go] [Java] [Python] [Node.js] [Kotlin]
Chapter 03 - gRPC Communication Patterns
- Communication patterns [Go] [Java]
Chapter 04 - gRPC Under the Hood
- No code samples required for this chapter.
Chapter 05 - gRPC Beyond the Basics
- Interceptors [Go] [Java]
- Deadline [Go] [Java]
- Cancellation [Go] [Java]
- Compression [Go] [Java]
- Keepalive [Go] [Java]
- Metadata [Go] [Java]
- Error Handling [Go] [Java]
- Load Balancing [Go] [Java]
- Multiplexing [Go] [Java]
Chapter 06 - Secured gRPC
- Secure Channel [Go] [Java]
- Mutual TLS Channel [Go] [Java]
- Basic Authentication [Go] [Java]
- Token Based Authentication [Go] [Java]
Chapter 07 - Running gRPC in Production
- Continuous Integration [Go]
- Deploy in Docker [Go]
- Deploy in Kubernetes [Go]
- OpenCensus metrics [Go] [Java]
- OpenCensus tracing [Go] [Java]
- OpenTracing [Go]
- Prometheus [Go]
Chapter 08 - The gRPC Ecosystem
- gRPC Gateway [Go]
- Server Reflection [Go] [Java]

Authors

Kasun Indrasiri

Kasun Indrasiri is an author and an evangelist of microservices and enterprise integration architecture with over ten years of experience in building distributed systems. He is the director of Integration Architecture at WSO2 and the product manager of the WSO2 Enterprise Integrator. He has authored Microservices for Enterprise (Apress, 2018) and Beginning WSO2 ESB (Apress, 2017) and has spoken at several conferences, including the O’Reilly Software Architecture Conference 2019 in San Jose and GOTO Con 2019 in Chicago, and WSO2 Conferences in San Francisco, London, and Barcelona. Kasun lives in San Jose, California, and has founded the “Silicon Valley Microservices, APIs and Integration” Meetup, which is one of the largest microservices meetups in the San Francisco Bay area..

Danesh Kuruppu

Danesh Kuruppu is an associate technical lead at WSO2 with expertise in microservices, messaging protocols, and service governance. Danesh has spearheaded the development of gRPC language implementation and microservices framework.

samples's People

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daneshk suniltiwari28071987 b77lau wallyqs ceth-x86 amit-git pradeepkusingh orange888 mfreyeso drempapis todun a1008u lingjiango durgadpavan quangcv1 hoangpq datasmithadvtech anarefin cloud-micro kkhujamov kasun04 mikutas jardar dapangmao muhammedsaid morrishong kj6995 rsachdeva donhuvy patrick5455 dipjyotimetia-anz kenshin579 devahil kunzimariano valery-barysok dbolshak jayeshd7 nicmeyer zhangmanman muharihar xue2sheng hoai ofirsh jefrock jsmithedin buianhtai zhaozhiwen2015 philipz knu-system-software tu-rui feixiao mastevb sdimitrenco shuxiaoabi masquee kiransmartclean luo1324574369 hungptit kys2406 wenlong-shaw llama90 rheasilvia natsuboy azurecloudmonk adedayoominiyi k13051393201 sam-mix fhaqiqat yunis-yao 16892434 chuanyi-zjc tiloburgey giger85 denovo1998 abwhop miguelpardal ddw02141 jijibb99 chris-tutorial cloudrain21 firewinexie pm1620 jonskou jackwbc sourcecontrol-exe xlzhangkeke pengzhetech surrok htang2012 dongzl himalayanzephyr gentoolovers didik78 xgj2440620200 usunnapu littlejiangyuan kade3375 dutianbo hosuk-dev meiyounameduo05

samples's Issues

Most GO Examples can't be compiled

The book so far is ok. But the examples most are not running. Special the GO examples. Not able to compile any proto files and no examples too. Description with the command in the README.md files ar not working most. So many errors. Terrible, sorry guys.

[Chapter-2] Sample is not building as described in README.md

I did a git clone of the samples repo and attempted a build both from the IDE and from Powershell with the same results.

Using Intellij, JDK 11.

./gradlew :ch02:productinfo:java:server:build --stacktrace

> Task :ch02:productinfo:java:server:compileJava FAILED
C:\Users\sntnmjones\code\java\grpc\samples\ch02\productinfo\java\server\build\generated\source\proto\main\grpc\ecommerce\ProductInfoGrpc.java:20: error: cannot find symbol
@javax.annotation.Generated(
                 ^
  symbol:   class Generated
  location: package javax.annotation
Note: C:\Users\sntnmjones\code\java\grpc\samples\ch02\productinfo\java\server\src\main\java\ecommerce\ProductInfoImpl.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
1 error

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':ch02:productinfo:java:server:compileJava'.
> Compilation failed; see the compiler error output for details.

* Try:
Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Exception is:
org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':ch02:productinfo:java:server:compileJava'.
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$3.accept(ExecuteActionsTaskExecuter.java:166)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$3.accept(ExecuteActionsTaskExecuter.java:163)
        at org.gradle.internal.Try$Failure.ifSuccessfulOrElse(Try.java:191)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:156)
        at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:62)
        at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:108)
        at org.gradle.api.internal.tasks.execution.ResolveBeforeExecutionOutputsTaskExecuter.execute(ResolveBeforeExecutionOutputsTaskExecuter.java:67)
        at org.gradle.api.internal.tasks.execution.ResolveAfterPreviousExecutionStateTaskExecuter.execute(ResolveAfterPreviousExecutionStateTaskExecuter.java:46)
        at org.gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:94)
        at org.gradle.api.internal.tasks.execution.FinalizePropertiesTaskExecuter.execute(FinalizePropertiesTaskExecuter.java:46)
        at org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute(ResolveTaskExecutionModeExecuter.java:95)
        at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:57)
        at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:56)
        at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:36)
        at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.executeTask(EventFiringTaskExecuter.java:77)
        at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:55)
        at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:52)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:416)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:406)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:102)
        at org.gradle.internal.operations.DelegatingBuildOperationExecutor.call(DelegatingBuildOperationExecutor.java:36)
        at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter.execute(EventFiringTaskExecuter.java:52)
        at org.gradle.execution.plan.LocalTaskNodeExecutor.execute(LocalTaskNodeExecutor.java:43)
        at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:355)
        at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:343)
        at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:336)
        at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:322)
        at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker$1.execute(DefaultPlanExecutor.java:134)
        at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker$1.execute(DefaultPlanExecutor.java:129)
        at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.execute(DefaultPlanExecutor.java:202)
        at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.executeNextNode(DefaultPlanExecutor.java:193)
        at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.run(DefaultPlanExecutor.java:129)
        at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
        at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
        at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56)
Caused by: org.gradle.api.internal.tasks.compile.CompilationFailedException: Compilation failed; see the compiler error output for details.
        at org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:56)
        at org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:39)
        at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.delegateAndHandleErrors(NormalizingJavaCompiler.java:100)
        at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:52)
        at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:38)
        at org.gradle.api.internal.tasks.compile.AnnotationProcessorDiscoveringCompiler.execute(AnnotationProcessorDiscoveringCompiler.java:51)
        at org.gradle.api.internal.tasks.compile.AnnotationProcessorDiscoveringCompiler.execute(AnnotationProcessorDiscoveringCompiler.java:37)
        at org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:39)
        at org.gradle.api.internal.tasks.compile.incremental.IncrementalCompilerFactory$2.execute(IncrementalCompilerFactory.java:101)
        at org.gradle.api.internal.tasks.compile.incremental.IncrementalCompilerFactory$2.execute(IncrementalCompilerFactory.java:97)
        at org.gradle.api.internal.tasks.compile.incremental.IncrementalResultStoringCompiler.execute(IncrementalResultStoringCompiler.java:60)
        at org.gradle.api.internal.tasks.compile.incremental.IncrementalResultStoringCompiler.execute(IncrementalResultStoringCompiler.java:44)
        at org.gradle.api.internal.tasks.compile.CompileJavaBuildOperationReportingCompiler$2.call(CompileJavaBuildOperationReportingCompiler.java:59)
        at org.gradle.api.internal.tasks.compile.CompileJavaBuildOperationReportingCompiler$2.call(CompileJavaBuildOperationReportingCompiler.java:51)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:416)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:406)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:102)
        at org.gradle.internal.operations.DelegatingBuildOperationExecutor.call(DelegatingBuildOperationExecutor.java:36)
        at org.gradle.api.internal.tasks.compile.CompileJavaBuildOperationReportingCompiler.execute(CompileJavaBuildOperationReportingCompiler.java:51)
        at org.gradle.api.tasks.compile.JavaCompile.performCompilation(JavaCompile.java:158)
        at org.gradle.api.tasks.compile.JavaCompile.compile(JavaCompile.java:126)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:103)
        at org.gradle.api.internal.project.taskfactory.IncrementalTaskInputsTaskAction.doExecute(IncrementalTaskInputsTaskAction.java:47)
        at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:42)
        at org.gradle.api.internal.project.taskfactory.AbstractIncrementalTaskAction.execute(AbstractIncrementalTaskAction.java:25)
        at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:28)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$5.run(ExecuteActionsTaskExecuter.java:476)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:402)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:394)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:92)
        at org.gradle.internal.operations.DelegatingBuildOperationExecutor.run(DelegatingBuildOperationExecutor.java:31)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:461)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:444)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.access$200(ExecuteActionsTaskExecuter.java:93)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$TaskExecution.execute(ExecuteActionsTaskExecuter.java:237)
        at org.gradle.internal.execution.steps.ExecuteStep.lambda$execute$0(ExecuteStep.java:32)
        at org.gradle.internal.execution.steps.ExecuteStep.execute(ExecuteStep.java:32)
        at org.gradle.internal.execution.steps.ExecuteStep.execute(ExecuteStep.java:26)
        at org.gradle.internal.execution.steps.CleanupOutputsStep.execute(CleanupOutputsStep.java:58)
        at org.gradle.internal.execution.steps.CleanupOutputsStep.execute(CleanupOutputsStep.java:35)
        at org.gradle.internal.execution.steps.ResolveInputChangesStep.execute(ResolveInputChangesStep.java:48)
        at org.gradle.internal.execution.steps.ResolveInputChangesStep.execute(ResolveInputChangesStep.java:33)
        at org.gradle.internal.execution.steps.CancelExecutionStep.execute(CancelExecutionStep.java:39)
        at org.gradle.internal.execution.steps.TimeoutStep.executeWithoutTimeout(TimeoutStep.java:73)
        at org.gradle.internal.execution.steps.TimeoutStep.execute(TimeoutStep.java:54)
        at org.gradle.internal.execution.steps.CatchExceptionStep.execute(CatchExceptionStep.java:35)
        at org.gradle.internal.execution.steps.CreateOutputsStep.execute(CreateOutputsStep.java:51)
        at org.gradle.internal.execution.steps.SnapshotOutputsStep.execute(SnapshotOutputsStep.java:45)
        at org.gradle.internal.execution.steps.SnapshotOutputsStep.execute(SnapshotOutputsStep.java:31)
        at org.gradle.internal.execution.steps.CacheStep.executeWithoutCache(CacheStep.java:208)
        at org.gradle.internal.execution.steps.CacheStep.execute(CacheStep.java:70)
        at org.gradle.internal.execution.steps.CacheStep.execute(CacheStep.java:45)
        at org.gradle.internal.execution.steps.BroadcastChangingOutputsStep.execute(BroadcastChangingOutputsStep.java:49)
        at org.gradle.internal.execution.steps.StoreSnapshotsStep.execute(StoreSnapshotsStep.java:43)
        at org.gradle.internal.execution.steps.StoreSnapshotsStep.execute(StoreSnapshotsStep.java:32)
        at org.gradle.internal.execution.steps.RecordOutputsStep.execute(RecordOutputsStep.java:38)
        at org.gradle.internal.execution.steps.RecordOutputsStep.execute(RecordOutputsStep.java:24)
        at org.gradle.internal.execution.steps.SkipUpToDateStep.executeBecause(SkipUpToDateStep.java:96)
        at org.gradle.internal.execution.steps.SkipUpToDateStep.lambda$execute$0(SkipUpToDateStep.java:89)
        at org.gradle.internal.execution.steps.SkipUpToDateStep.execute(SkipUpToDateStep.java:54)
        at org.gradle.internal.execution.steps.SkipUpToDateStep.execute(SkipUpToDateStep.java:38)
        at org.gradle.internal.execution.steps.ResolveChangesStep.execute(ResolveChangesStep.java:76)
        at org.gradle.internal.execution.steps.ResolveChangesStep.execute(ResolveChangesStep.java:37)
        at org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsFinishedStep.execute(MarkSnapshottingInputsFinishedStep.java:36)
        at org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsFinishedStep.execute(MarkSnapshottingInputsFinishedStep.java:26)
        at org.gradle.internal.execution.steps.ResolveCachingStateStep.execute(ResolveCachingStateStep.java:90)
        at org.gradle.internal.execution.steps.ResolveCachingStateStep.execute(ResolveCachingStateStep.java:48)
        at org.gradle.internal.execution.steps.CaptureStateBeforeExecutionStep.execute(CaptureStateBeforeExecutionStep.java:69)
        at org.gradle.internal.execution.steps.CaptureStateBeforeExecutionStep.execute(CaptureStateBeforeExecutionStep.java:47)
        at org.gradle.internal.execution.impl.DefaultWorkExecutor.execute(DefaultWorkExecutor.java:33)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:140)
        ... 34 more


* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/5.6.4/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 6s
4 actionable tasks: 1 executed, 3 up-to-date

[Chapter-5] Client-side Interceptor not implemented in Java

Hi guys,

I'd like to see an example of gRPC client-side interceptor with Java but for some reason the class OrderClientInterceptor.java is not implemented.

Could you guys finish this example, please?

Thanks!

[Chapter-5] Why is there no multiplexing example with Java?

Hi guys,

Looking at the Java code for multiplexing I realized there's no code at all (neither client nor sever-side). Coud you implement this feature in Java, please?

thanks again,

chapter3 service

func (s *server) SearchOrders(searchQuery *wrappers.StringValue,
stream pb.OrderManagement_SearchOrdersServer) error {

    for key, order:=range orderMap {
            log.Print(key, order)
            for _, itemStr:=range order.Items {
                    log.Print(itemStr)
                    if strings.Contains(
                            itemStr, searchQuery.Value) { ➊
                   
                            err:=stream.Send(&order) ➋
                            if err !=nil {
                               return fmt.Errorf(
                                        "error sending message to stream: %v",
                                                err) ➌
                            }
                            log.Print("Matching Order Found: "+key)
                            break
                    }
            }
    }
    return nil

}

i think should delete the break here？

Please work on filling out the Python examples

Hello,

I noticed that there was a Python implemention for the first example but then not for the later chapters. Can somebody please fill out the Python implemention for the rest of the book?

Thanks!

ch02:productinfo not building

The Project.getConvention() method has been deprecated. This is scheduled to be removed in Gradle 9.0. Consult the upgrading guide for further information: https://docs.gradle.org/8.6/userguide/upgrading_version_8.html#deprecated_access_to_conventions
at build_e3pxcp883m5ds6fgcp1hnfjlp.run(/Users/129021/Desktop/Edu/gRPC/grpc-up-and-running/samples/samples/ch02/productinfo/java/client/build.gradle:2)
(Run with --stacktrace to get the full stack trace of this deprecation warning.)
The org.gradle.api.plugins.Convention type has been deprecated. This is scheduled to be removed in Gradle 9.0. Consult the upgrading guide for further information: https://docs.gradle.org/8.6/userguide/upgrading_version_8.html#deprecated_access_to_conventions
The org.gradle.util.ConfigureUtil type has been deprecated. This is scheduled to be removed in Gradle 9.0. Consult the upgrading guide for further information: https://docs.gradle.org/8.6/userguide/upgrading_version_8.html#org_gradle_util_reports_deprecations

FAILURE: Build failed with an exception.

Where:
Build file '/Users/tester/Desktop/Edu/gRPC/grpc-up-and-running/samples/samples/ch02/productinfo/java/client/build.gradle' line: 11
What went wrong:
A problem occurred evaluating project ':ch02:productinfo:java:client'.

Could not find method compile() for arguments [io.grpc:grpc-netty:1.39.0] on object of type org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler.

[Chapter-5] Why is there no keepalive example with Java?

Hi guys,

Looking at the Java code for keepalive I realized there's no code at all (neither client nor sever-side). Coud you implement this feature in Java, please?

thanks again,

Add a license to code sample

Hello,

Could you add a license to the content of this repository? https://choosealicense.com/

[Chapter-5] no name resolver sample in java

In bidirectional streaming , client receiving nil in for loop in nonblocking way , eventhough server doesnt send anything

if i remove sleep client closes properly , otherewise it reads nil and when client access field in nil segfault occurs

[Chapter-5] Why is there no cancellation example with Java?

Hi guys,

Looking at the Java code for cancellation I realized there's no code at all (neither client nor sever-side). Coud you implement this feature in Java, please?

thanks again,

[Chapter-5] Why is there no load-balancing example with Java?

Hi guys,

Looking at the Java code for load-balancing I realized there's no code at all (neither client nor sever-side). Coud you implement this feature in Java, please?

thanks again,

Outfile file names in README file are incorrect for Windows

Many README.md files have go build commands that refer to output files such as bin/server. This is appropriate for Linux and Mac, but not for Windows. Windows users need to use bin/server.exe.

Unnecessary import?

samples/ch03/order-service/java/server/src/main/java/ecommerce/OrderMgtServiceImpl.java

Line 4 in 86d1349

import com.google.protobuf.StringValueOrBuilder;

[Chapter-5] loadbalancing/echo/go/server/ go build error

~~edited~~

protoc command ch02\productinfo\go\README.md uses wrong .proto file

The file ch02\productinfo\go\README.md shows the protoc command to be:

protoc -I proto/ proto/order_management.proto --go_out =plugins=grpc:service-gen

This command should refer to product_info.proto instead of to order_management.proto.

There's a second problem here that generated file ends up in the wrong directory. To make this command work, you have to run proto when your current directory is ch02/productinfo. However, that will put the result file in the wrong place and the instructions don't describe how to fix the problem.

I noticed that you've pregenerated the .proto.go files, but if you want readers to depend on them, then please update the README.md files appropriately.

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