【发布时间】：2016-06-20 07:03:18
【问题描述】：
我下载了一个（活动的）git 项目，它需要我安装 scala（也包括 sbt）和 hadoop。当我尝试通过 sbt（sbt 程序集）构建它时，它会产生大量关于 intransitive dependencies 的警告。我试图联系项目供应商，但他们没有给我适当的答复；只是告诉我它正在他们的机器上工作。
当我尝试“sbt assembly”时，我得到：
[info] Resolving jline#jline;2.12 ...
[info] Done updating.
[warn] Found intransitive dependency (org.apache.hadoop:hadoop-common:2.6.0) while publishMavenStyle is true, but Maven repositories
[warn] do not support intransitive dependencies. Use exclusions instead so transitive dependencies
[warn] will be correctly excluded in dependent projects.
[warn]
[warn] Found intransitive dependency (org.apache.hadoop:hadoop-mapreduce-client-core:2.6.0) while publishMavenStyle is true, but Maven repositories
[warn] do not support intransitive dependencies. Use exclusions instead so transitive dependencies
[warn] will be correctly excluded in dependent projects.
[warn]
[warn] Found intransitive dependency (org.apache.hadoop:hadoop-mapreduce-client-common:2.6.0) while publishMavenStyle is true, but Maven repositories
[warn] do not support intransitive dependencies. Use exclusions instead so transitive dependencies
[warn] will be correctly excluded in dependent projects.
[warn]
[warn] Found intransitive dependency (org.apache.hadoop:hadoop-annotations:2.6.0) while publishMavenStyle is true, but Maven repositories
[warn] do not support intransitive dependencies. Use exclusions instead so transitive dependencies
[warn] will be correctly excluded in dependent projects.
[warn]
[warn] Found intransitive dependency (org.apache.hadoop:hadoop-auth:2.6.0) while publishMavenStyle is true, but Maven repositories
[warn] do not support intransitive dependencies. Use exclusions instead so transitive dependencies
[warn] will be correctly excluded in dependent projects.
[warn]
[warn] Found intransitive dependency (org.apache.hadoop:hadoop-yarn-common:2.6.0) while publishMavenStyle is true, but Maven repositories
[warn] do not support intransitive dependencies. Use exclusions instead so transitive dependencies
[warn] will be correctly excluded in dependent projects.
[warn]
[warn] Found intransitive dependency (org.apache.hbase:hbase-server:0.96.2-hadoop2) while publishMavenStyle is true, but Maven repositories
[warn] do not support intransitive dependencies. Use exclusions instead so transitive dependencies
[warn] will be correctly excluded in dependent projects ...
还有一个 build.sbt 文件，其中包含项目所需的所有依赖项：
libraryDependencies ++= Seq(
"com.beust" % "jcommander" % "1.35",
"org.apache.hadoop" % "hadoop-common" % "2.6.0" intransitive(),
"org.apache.hadoop" % "hadoop-mapreduce-client-core" % "2.6.0" intransitive(),
"org.apache.hadoop" % "hadoop-mapreduce-client-common" % "2.6.0" intransitive(),
"org.apache.hadoop" % "hadoop-annotations" % "2.6.0" intransitive(),
"org.apache.hadoop" % "hadoop-auth" % "2.6.0" intransitive(),
"org.apache.hadoop" % "hadoop-yarn-common" % "2.6.0" intransitive(),
"org.apache.hadoop" % "hadoop-yarn-api" % "2.6.0",
"org.apache.hbase" % "hbase-server" % "0.96.2-hadoop2" intransitive(),
"org.apache.hbase" % "hbase-common" % "0.96.2-hadoop2" intransitive(),
"org.apache.hbase" % "hbase-client" % "0.96.2-hadoop2" intransitive(),
"org.apache.hbase" % "hbase-protocol" % "0.96.2-hadoop2",
"org.cloudera.htrace" % "htrace-core" % "2.04" intransitive(),
"commons-configuration" % "commons-configuration" % "1.6" exclude("commons-beanutils", "commons-beanutils-core"),
"commons-httpclient" % "commons-httpclient" % "3.1",
"commons-io" % "commons-io" % "2.4",
"com.google.guava" % "guava" % "11.0.2",
"log4j" % "log4j" % "1.2.16",
"org.slf4j" % "slf4j-log4j12" % "1.7.5",
"org.codehaus.jackson" % "jackson-jaxrs" % "1.9.13",
"org.apache.avro" % "avro" % "1.7.4",
"junit" % "junit" % "4.11" % "it,test",
"com.novocode" % "junit-interface" % "0.10" % "it,test",
"com.jsuereth" % "scala-arm_2.11" % "1.4" % "it,test",
"org.scalatest" % "scalatest_2.11" % "2.2.1" % "it,test"
)
assemblyMergeStrategy in assembly := {
case PathList("org", "apache", "hadoop", "yarn", xs @ _*) => MergeStrategy.first
case x => val oldStrategy = (assemblyMergeStrategy in assembly).value
oldStrategy(x)
}
assemblyExcludedJars in assembly := {
val cp = (fullClasspath in assembly).value
cp filter {_.data.getName == "commons-beanutils-1.7.0.jar"}
}
scalaVersion := "2.11.4"
// output jar is here: target/ruleXtract.jar
assemblyOutputPath in assembly := file("target/ruleXtract.jar")
// we want a jar without a main class so we can run it as "hadoop jar class args"
mainClass in (Compile, packageBin) := None
我应该怎么做才能让它工作？我不知道如何在没有“sbt assembly”的情况下构建这个项目。我查看了一些关于 sbt 的教程，并且 build.sbt 看起来不错——尽管不太确定。问题是什么？你有什么建议可以解决吗？
B.R.
【问题讨论】：
-
为什么是 sbt 汇编？你试过 sbt 包吗？
-
因为在教程的说明中它被写成'sbt assembly'。顺便说一句，仍然给了我相同的错误列表。