我正在尝试使用sbt-assembly将Scala项目转换为可部署的fat jar。当我在sbt中运行我的assembly任务时,出现以下错误:
Merging 'org/apache/commons/logging/impl/SimpleLog.class' with strategy 'deduplicate'
:assembly: deduplicate: different file contents found in the following:
[error] /Users/home/.ivy2/cache/commons-logging/commons-logging/jars/commons-logging-1.1.1.jar:org/apache/commons/logging/impl/SimpleLog.class
[error] /Users/home/.ivy2/cache/org.slf4j/jcl-over-slf4j/jars/jcl-over-slf4j-1.6.4.jar:org/apache/commons/logging/impl/SimpleLog.class
现在来自sbt-assembly文档:
如果多个文件共享相同的相对路径(例如,在多个依赖JAR中命名为application.conf的资源),则默认策略是验证所有候选项是否具有相同的内容,否则报错。可以使用以下内置策略之一或编写自定义策略来配置每个路径的此行为:
MergeStrategy.deduplicate
是上述默认值MergeStrategy.first
选择类路径顺序中匹配文件的第一个MergeStrategy.last
选择最后一个MergeStrategy.singleOrError
在冲突时中止并显示错误消息MergeStrategy.concat
简单地连接所有匹配的文件并包含结果MergeStrategy.filterDistinctLines
也会连接,但沿途省略重复项MergeStrategy.rename
重命名来自jar文件的文件MergeStrategy.discard
简单地丢弃匹配的文件
根据此,我将我的build.sbt设置为如下:
import sbt._
import Keys._
import sbtassembly.Plugin._
import AssemblyKeys._
name := "my-project"
version := "0.1"
scalaVersion := "2.9.2"
crossScalaVersions := Seq("2.9.1","2.9.2")
//assemblySettings
seq(assemblySettings: _*)
resolvers ++= Seq(
"Typesafe Releases Repository" at "http://repo.typesafe.com/typesafe/releases/",
"Typesafe Snapshots Repository" at "http://repo.typesafe.com/typesafe/snapshots/",
"Sonatype Repository" at "http://oss.sonatype.org/content/repositories/releases/"
)
libraryDependencies ++= Seq(
"org.scalatest" %% "scalatest" % "1.6.1" % "test",
"org.clapper" %% "grizzled-slf4j" % "0.6.10",
"org.scalaz" % "scalaz-core_2.9.2" % "7.0.0-M7",
"net.databinder.dispatch" %% "dispatch-core" % "0.9.5"
)
scalacOptions += "-deprecation"
mainClass in assembly := Some("com.my.main.class")
test in assembly := {}
mergeStrategy in assembly := mergeStrategy.first
在build.sbt的最后一行,我有:
mergeStrategy in assembly := mergeStrategy.first
现在,当我运行SBT时,会出现以下错误:
error: value first is not a member of sbt.SettingKey[String => sbtassembly.Plugin.MergeStrategy]
mergeStrategy in assembly := mergeStrategy.first
有人能指出我在这里可能做错了什么吗?
谢谢
mergeStrategy
is deprecated now. Try insteadassemblyMergeStrategy
. I'm using assembly version0.14.10
- luca.giovagnoli