如何解决没有这样的目标'@maven //:io_lettuce_lettuce_core':包中未声明目标'io_lettuce_lettuce_core'
我正在尝试用Kotlin写一个非常简单的示例来与Redis交互。
我想使用bazel驱动构建过程。
这是WORKSOPACE文件
workspace(
name = "com_ahwkong_kotlin",managed_directories = {},)
load("@bazel_tools//tools/build_defs/repo:http.bzl","http_archive")
RULES_KOTLIN_VERSION = "legacy-1.4.0-rc3"
RULES_KOTLIN_SHA = "da0e6e1543fcc79e93d4d93c3333378f3bd5d29e82c1bc2518de0dbe048e6598"
http_archive(
name = "io_bazel_rules_kotlin",urls = ["https://github.com/bazelbuild/rules_kotlin/releases/download/%s/rules_kotlin_release.tgz" % RULES_KOTLIN_VERSION],sha256 = RULES_KOTLIN_SHA,)
load("@io_bazel_rules_kotlin//kotlin:kotlin.bzl","kotlin_repositories","kt_register_toolchains")
kotlin_repositories() # if you want the default. Otherwise see custom kotlinc distribution below
kt_register_toolchains() # to use the default toolchain,otherwise see toolchains below
# maven
RULES_JVM_EXTERNAL_TAG = "2.8"
RULES_JVM_EXTERNAL_SHA = "79c9850690d7614ecdb72d68394f994fef7534b292c4867ce5e7dec0aa7bdfad"
http_archive(
name = "rules_jvm_external",strip_prefix = "rules_jvm_external-%s" % RULES_JVM_EXTERNAL_TAG,sha256 = RULES_JVM_EXTERNAL_SHA,url = "https://github.com/bazelbuild/rules_jvm_external/archive/%s.zip" % RULES_JVM_EXTERNAL_TAG,)
load("@rules_jvm_external//:defs.bzl","maven_install")
maven_install(
artifacts = [
"com.google.code.findbugs:jsr305:1.3.9","com.google.errorprone:error_prone_annotations:2.0.18","com.google.j2objc:j2objc-annotations:1.1",],repositories = [
"https://jcenter.bintray.com/","https://repo1.maven.org/maven2",)
这是我的构建文件
load("@io_bazel_rules_kotlin//kotlin:kotlin.bzl","kt_compiler_plugin","kt_jvm_library","kt_jvm_binary")
kt_compiler_plugin(
name = "open_for_testing_plugin",id = "org.jetbrains.kotlin.allopen",options = {
"annotation": "plugin.allopen.OpenForTesting",},deps = [
"@com_github_jetbrains_kotlin//:allopen-compiler-plugin",)
kt_jvm_library(
name = "ex1_lib",srcs = glob(["ex1*/src/**/*.kt"]),deps = [
"@maven//:io_lettuce_lettuce_core",]
)
java_binary(
name = "ex1",main_class = "ex1.App",visibility = ["//visibility:public"],runtime_deps = [":ex1_lib"],)
这是我的kotlin文件
package ex1
import io.lettuce.core.RedisClient
import io.lettuce.core.RedisReactiveCommandsImpl
import io.lettuce.core.RedisURI
import io.lettuce.core.api.StatefulRedisConnection
import io.lettuce.core.api.reactive.RedisReactiveCommands
import java.time.Duration
class ConnectionFactory {
// https://kotlinlang.org/docs/tutorials/kotlin-for-py/objects-and-companion-objects.html
// If you need a function or a property to be tied to a class rather than to instances of it
// (similar to @staticmethod in Python),you can declare it inside a companion object:
companion object {
fun createConnection(port: Int = 6380,host: String = "127.0.0.1"): RedisClient =
RedisClient.create(RedisURI.builder()
.withTimeout(Duration.ofMinutes(1))
.withHost(host)
.withPort(port)
.build())
}
}
没有maven依赖项,我将无法编译以上代码。
这是错误消息:
$ bazel build ex1
ERROR: /Users/antkong/dev/canva/kongakong-experiments.3.diagrams/tech_talk/kotlin/BUILD:26:1: no such target '@maven//:io_lettuce_lettuce_core': target 'io_lettuce_lettuce_core' not declared in package '' defined by /private/var/tmp/_bazel_antkong/3496a0772a2021d0f0b3c230bf912ab1/external/maven/BUILD and referenced by '//:ex1_lib'
ERROR: Analysis of target '//:ex1' failed; build aborted: Analysis failed
如果问题是“没有这样的目标'@maven //:io_lettuce_lettuce_core',我该如何定义该目标?
解决方法
我需要将此规则添加到WORKSPACE
maven_repositories = [
"https://repo.maven.apache.org/maven2/","https://s3.amazonaws.com/maven.canva-build.com/release/","https://github.com/getdyspatch/dyspatch-java-mvn/raw/master/releases/",]
maven_install(
artifacts = [
"io.lettuce:lettuce-core:jar:5.3.4.RELEASE",],repositories = maven_repositories,)
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