Scala 使用org.apache.arrow执行sbt程序集重复数据消除错误
我使用的是SBT1.2.8和sbt assembly 0.14.9。我正在尝试为我的项目构建一个使用Spark+Akka+gRPC的胖罐子。起初我有很多重复数据消除错误;我设法解决了除1之外的所有问题,但我几个小时都找不到解决这个问题的方法 以下是我从Scala 使用org.apache.arrow执行sbt程序集重复数据消除错误,scala,apache-spark,sbt,sbt-assembly,Scala,Apache Spark,Sbt,Sbt Assembly,我使用的是SBT1.2.8和sbt assembly 0.14.9。我正在尝试为我的项目构建一个使用Spark+Akka+gRPC的胖罐子。起初我有很多重复数据消除错误;我设法解决了除1之外的所有问题,但我几个小时都找不到解决这个问题的方法 以下是我从sbt汇编中得到的错误消息: [error] (assembly) deduplicate: different file contents found in the following: [error] /Users/samedduzcay/.i
sbt汇编
中得到的错误消息:
[error] (assembly) deduplicate: different file contents found in the following:
[error] /Users/samedduzcay/.ivy2/cache/org.apache.arrow/arrow-vector/jars/arrow-vector-0.10.0.jar:git.properties
[error] /Users/samedduzcay/.ivy2/cache/org.apache.arrow/arrow-format/jars/arrow-format-0.10.0.jar:git.properties
[error] /Users/samedduzcay/.ivy2/cache/org.apache.arrow/arrow-memory/jars/arrow-memory-0.10.0.jar:git.properties
这是我的build.sbt
:
import sbt.Keys._
import sbtassembly.AssemblyPlugin.autoImport.PathList
name := "xxx"
version := "1.0"
lazy val sv = "2.11.12"
scalaVersion := sv
lazy val akkaVersion = "2.5.19"
lazy val sparkVersion = "2.4.0"
enablePlugins(AkkaGrpcPlugin)
enablePlugins(JavaAgent)
javaAgents += "org.mortbay.jetty.alpn" % "jetty-alpn-agent" % "2.0.9" % "runtime;test"
test in assembly := {}
logLevel in assembly := Level.Debug
lazy val root = (project in file(".")).
settings(
inThisBuild(List(
organization := "com.smddzcy",
scalaVersion := sv
)),
name := "xxx",
libraryDependencies ++= Seq(
"org.apache.spark" %% "spark-core" % sparkVersion,
"org.apache.spark" %% "spark-sql" % sparkVersion,
"org.mariadb.jdbc" % "mariadb-java-client" % "2.3.0",
"com.typesafe.akka" %% "akka-actor" % akkaVersion,
"com.typesafe.akka" %% "akka-protobuf" % akkaVersion,
"com.typesafe.akka" %% "akka-stream" % akkaVersion,
// "com.google.guava" % "guava" % "27.0.1-jre" % Compile,
// "org.apache.httpcomponents" % "httpcore" % "4.4.10" % Compile,
"com.typesafe.akka" %% "akka-stream-testkit" % akkaVersion % Test,
"org.scalatest" %% "scalatest" % "3.0.5" % Test
)
)
assemblyMergeStrategy in assembly := {
case PathList(pl@_*) if pl.contains("log4j.properties") => MergeStrategy.concat
case PathList("META-INF", "io.netty.versions.properties") => MergeStrategy.last
case PathList("org", "aopalliance", xs@_*) => MergeStrategy.first
case PathList("javax", "inject", xs@_*) => MergeStrategy.first
case PathList("javax", "servlet", xs@_*) => MergeStrategy.first
case PathList("javax", "activation", xs@_*) => MergeStrategy.first
case PathList("org", "commons-collections", x@_*) => MergeStrategy.first
case PathList("org", "apache", xs@_*) => MergeStrategy.first
case PathList("com", "google", xs@_*) => MergeStrategy.first
case "about.html" => MergeStrategy.rename
case "META-INF/ECLIPSEF.RSA" => MergeStrategy.first
case "META-INF/mailcap" => MergeStrategy.first
case "META-INF/mimetypes.default" => MergeStrategy.first
case "plugin.properties" => MergeStrategy.first
case "application.conf" => MergeStrategy.concat
case "reference.conf" => MergeStrategy.concat
case x =>
val oldStrategy = (assemblyMergeStrategy in assembly).value
oldStrategy(x)
}
我可能在
assemblyMergeStrategy
中丢失了一些内容(或者有一些额外的内容)。在我的例子中,我在build.sbt中使用了以下代码,如果在构建过程中发现任何重复的文件,它会有条件地获取第一个文件-
assemblyMergeStrategy in assembly := {
case PathList("META-INF", xs @ _*) => MergeStrategy.discard
case x => MergeStrategy.first
}
将
assemblyMergeStrategy
更新为此解决了以下问题:
assemblyMergeStrategy in assembly := {
case PathList("META-INF", xs @ _*) =>
xs map {_.toLowerCase} match {
case "manifest.mf" :: Nil | "index.list" :: Nil | "dependencies" :: Nil =>
MergeStrategy.discard
case ps @ x :: xs if ps.last.endsWith(".sf") || ps.last.endsWith(".dsa") =>
MergeStrategy.discard
case "plexus" :: xs =>
MergeStrategy.discard
case "services" :: xs =>
MergeStrategy.filterDistinctLines
case "spring.schemas" :: Nil | "spring.handlers" :: Nil =>
MergeStrategy.filterDistinctLines
case _ => MergeStrategy.first
}
case "application.conf" => MergeStrategy.concat
case "reference.conf" => MergeStrategy.concat
case _ => MergeStrategy.first
}
请注意,
案例路径列表(“META-INF”,xs@*)=>
部分来自sbt组件的默认合并策略,我刚刚将最后一位case\u=>MergeStrategy.deduplicate
更改为case\u=>MergeStrategy.first
我认为由于您与文件git.properties
冲突,您可以为该文件添加一个案例:
case "git.properties" => MergeStrategy.first
// or
case "git.properties" => MergeStrategy.concat
作为完全合并策略,应满足以下要求:
assemblyMergeStrategy in assembly := {
// ... other directives
case "application.conf" => MergeStrategy.concat
case "log4j.properties" => MergeStrategy.first
case "unwanted.txt" => MergeStrategy.discard
// ... other directives
case "git.properties" => MergeStrategy.first
// or maybe: case "git.properties" => MergeStrategy.concat
case x =>
val oldStrategy = (assemblyMergeStrategy in assembly).value
oldStrategy(x)
}
试试看它是否解决了问题如果这样做,就会丢失一些配置文件,如reference.conf
。我遇到这样的错误:reference.conf:27:无法将替换解析为值:${ssl config}
非常感谢!以此为基础,添加/更改一些内容,解决了这个问题。请查看我关于工作的assemblymergesegy
的答案。谢谢你的答案,但它已经被修复了!检查下面我的答案。