Scala和Java混合项目搭建：（Eclipse）
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Scala和Java混合项目搭建：（Eclipse）
项目结构：
pom.xml:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.citi.sky</groupId> <artifactId>AkkaPJ</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>AkkaPJ</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <jdk.version>1.8</jdk.version> <scala.version>2.11.8</scala.version> <akka.version>2.5.9</akka.version> <scalatest.version>3.0.4</scalatest.version> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <dependency> <groupId>org.scala-lang</groupId> <artifactId>scala-library</artifactId> <version>${scala.version}</version> </dependency> <dependency> <groupId>org.scala-lang</groupId> <artifactId>scala-compiler</artifactId> <version>${scala.version}</version> </dependency> <dependency> <groupId>org.scala-lang</groupId> <artifactId>scala-reflect</artifactId> <version>${scala.version}</version> </dependency> <dependency> <groupId>com.typesafe.akka</groupId> <artifactId>akka-actor_2.11</artifactId> <version>${akka.version}</version> </dependency> <dependency> <groupId>com.typesafe.akka</groupId> <artifactId>akka-testkit_2.11</artifactId> <version>${akka.version}</version> <scope>test</scope> </dependency> <dependency> <groupId>org.scalatest</groupId> <artifactId>scalatest_2.11</artifactId> <version>${scalatest.version}</version> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>build-helper-maven-plugin</artifactId> <version>3.0.0</version> <executions> <execution> <id>add-source</id> <phase>generate-sources</phase> <goals> <goal>add-source</goal> </goals> <configuration> <sources> <source>${basedir}/src/main/java</source> <source>${basedir}/src/main/scala</source> </sources> </configuration> </execution> <execution> <id>add-test-source</id> <phase>generate-sources</phase> <goals> <goal>add-test-source</goal> </goals> <configuration> <sources> <source>${basedir}/src/test/java</source> <source>${basedir}/src/test/scala</source> </sources> </configuration> </execution> <execution> <id>add-resource</id> <phase>generate-sources</phase> <goals> <goal>add-resource</goal> </goals> <configuration> <resources> <resource> <directory>${basedir}/src/main/resources</directory> <filtering>true</filtering> <excludes> <exclude>**/*.java</exclude> </excludes> </resource> </resources> </configuration> </execution> <execution> <id>add-test-resource</id> <phase>generate-sources</phase> <goals> <goal>add-test-resource</goal> </goals> <configuration> <resources> <resource> <directory>${basedir}/src/test/resources</directory> <filtering>true</filtering> <excludes> <exclude>**/*.java</exclude> </excludes> </resource> </resources> </configuration> </execution> </executions> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.1</version> <configuration> <source>${jdk.version}</source> <target>${jdk.version}</target> <encoding>${project.build.sourceEncoding}</encoding> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-shade-plugin</artifactId> <version>3.0.0</version> <configuration> <createDependencyReducedPom>false</createDependencyReducedPom> </configuration> <executions> <execution> <phase>package</phase> <goals> <goal>shade</goal> </goals> <configuration> <shadedArtifactAttached>true</shadedArtifactAttached> <shadedClassifierName>allInOne</shadedClassifierName> <artifactSet> <includes> <include>*:*</include> </includes> </artifactSet> <filters> <filter> <artifact>*:*</artifact> <excludes> <exclude>META-INF/*.SF</exclude> <exclude>META-INF/*.DSA</exclude> <exclude>META-INF/*.RSA</exclude> </excludes> </filter> </filters> <transformers> <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"> <mainClass>com.citi.dw.client.ClientTest</mainClass> </transformer> </transformers> </configuration> </execution> </executions> </plugin> <!--< build circular dependencies between Java and Scala> --> <plugin> <groupId>net.alchim31.maven</groupId> <artifactId>scala-maven-plugin</artifactId> <version>3.3.1</version> <executions> <execution> <id>compile-scala</id> <phase>compile</phase> <goals> <goal>add-source</goal> <goal>compile</goal> </goals> </execution> <execution> <id>test-compile-scala</id> <phase>test-compile</phase> <goals> <goal>add-source</goal> <goal>testCompile</goal> </goals> </execution> </executions> <configuration> <scalaVersion>${scala.version}</scalaVersion> </configuration> </plugin> </plugins> </build> </project>
.classpath：
<?xml version="1.0" encoding="UTF-8"?> <classpath> <classpathentry kind="src" output="target/classes" path="src/main/java"> <attributes> <attribute name="optional" value="true"/> <attribute name="maven.pomderived" value="true"/> </attributes> </classpathentry> <classpathentry kind="src" path="src/main/scala"/> <classpathentry kind="src" path="src/main/resources"/> <classpathentry kind="src" output="target/test-classes" path="src/test/java"> <attributes> <attribute name="optional" value="true"/> <attribute name="maven.pomderived" value="true"/> </attributes> </classpathentry> <classpathentry kind="src" path="src/test/scala"/> <classpathentry kind="src" path="src/test/resources"/> <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/jdk1.8.0_121"> <attributes> <attribute name="maven.pomderived" value="true"/> </attributes> </classpathentry> <classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER"> <attributes> <attribute name="maven.pomderived" value="true"/> </attributes> </classpathentry> <classpathentry kind="con" path="org.scala-ide.sdt.launching.SCALA_CONTAINER"/> <classpathentry kind="output" path="target/classes"/> </classpath>
Log:
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building AkkaPJ 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ AkkaPJ ---
[INFO] Deleting E:\\git\\AkkaPJ\\target
[INFO]
[INFO] --- build-helper-maven-plugin:3.0.0:add-source (add-source) @ AkkaPJ ---
[INFO] Source directory: E:\\git\\AkkaPJ\\src\\main\\java added.
[INFO] Source directory: E:\\git\\AkkaPJ\\src\\main\\scala added.
[INFO]
[INFO] --- build-helper-maven-plugin:3.0.0:add-test-source (add-test-source) @ AkkaPJ ---
[INFO] Test Source directory: E:\\git\\AkkaPJ\\src\\test\\java added.
[INFO] Test Source directory: E:\\git\\AkkaPJ\\src\\test\\scala added.
[INFO]
[INFO] --- build-helper-maven-plugin:3.0.0:add-resource (add-resource) @ AkkaPJ ---
[INFO]
[INFO] --- build-helper-maven-plugin:3.0.0:add-test-resource (add-test-resource) @ AkkaPJ ---
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ AkkaPJ ---
[INFO] Using \'UTF-8\' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] Copying 1 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ AkkaPJ ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 2 source files to E:\\git\\AkkaPJ\\target\\classes
[INFO]
[INFO] --- scala-maven-plugin:3.3.1:add-source (compile-scala) @ AkkaPJ ---
[INFO]
[INFO] --- scala-maven-plugin:3.3.1:compile (compile-scala) @ AkkaPJ ---
[WARNING] Expected all dependencies to require Scala version: 2.11.8
[WARNING] com.citi.sky:AkkaPJ:0.0.1-SNAPSHOT requires scala version: 2.11.8
[WARNING] com.citi.sky:AkkaPJ:0.0.1-SNAPSHOT requires scala version: 2.11.8
[WARNING] org.scala-lang:scala-compiler:2.11.8 requires scala version: 2.11.8
[WARNING] org.scala-lang.modules:scala-xml_2.11:1.0.4 requires scala version: 2.11.4
[WARNING] Multiple versions of scala libraries detected!
[INFO] E:\\git\\AkkaPJ\\src\\main\\java:-1: info
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