将play框架项目更新到Java 11，无法找到正确的依赖版本
提问于 2020-02-06 07:49:35
将现有的maven项目从Java 8更新到11，我很难找到依赖和插件版本的正确组合。其中一个模块使用play框架及其相关的依赖项，下面是它们的设置：
java: 11.0.5
scala: 2.12.8
sbt: 0.13.17
sbt-compiler-maven-plugin: 1.0.0
sbtrun-maven-plugin: 1.0.1
play: 2.6.21
play2-maven-plugin: 1.0.0-rc5
play2-provider-play26: 1.0.0-rc5
akka: 2.5.27这给了我以下构建错误：
[ERROR] Failed to execute goal com.google.code.play2-maven-plugin:play2-maven-plugin:1.0.0-rc5:enhance (default-play2-enhance) on project services: Execution default-play2-enhance of goal com.google.code.play2-maven-plugin:play2-maven-plugin:1.0.0-rc5:enhance failed: An API incompatibility was encountered while executing com.google.code.play2-maven-plugin:play2-maven-plugin:1.0.0-rc5:enhance: java.lang.NoSuchMethodError: 'scala.collection.mutable.ArrayOps scala.Predef$.byteArrayOps(byte[])'
[ERROR] -----------------------------------------------------
[ERROR] realm = extension>com.google.code.play2-maven-plugin:play2-maven-plugin:1.0.0-rc5
[ERROR] strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
...
...
...
[ERROR] Number of foreign imports: 1
[ERROR] import: Entry[import from realm ClassRealm[maven.api, parent: null]]注意:我希望保持akka的版本2.5.x，因为2.6.x需要大量的代码更改，但如果有必要，将转到更高的版本
<?xml version="1.0"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>groupId</groupId>
<artifactId>artifactId</artifactId>
<version>version</version>
</parent>
<artifactId>artifactId</artifactId>
<packaging>play2</packaging>
<name>name</name>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<repositories>
<repository>
<id>typesafe</id>
<url>http://repo.typesafe.com/typesafe/releases/</url>
</repository>
</repositories>
<dependencies>
<dependency>
<groupId>com.typesafe.play</groupId>
<artifactId>play_2.12</artifactId>
</dependency>
<dependency>
<groupId>com.typesafe.play</groupId>
<artifactId>play-test_2.12</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.typesafe.play</groupId>
<artifactId>play-java_2.12</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-joda</artifactId>
</dependency>
<dependency>
<groupId>com.typesafe.akka</groupId>
<artifactId>akka-stream_2.12</artifactId>
</dependency>
<dependency>
<groupId>org.easytesting</groupId>
<artifactId>fest-assert-core</artifactId>
</dependency>
</dependencies>
<build>
<!-- Play source directory -->
<sourceDirectory>${basedir}/app</sourceDirectory>
<testSourceDirectory>${basedir}/test</testSourceDirectory>
<resources>
<resource>
<directory>${basedir}/conf</directory>
</resource>
<resource>
<directory>${basedir}/public</directory>
<targetPath>public</targetPath>
</resource>
<resource>
<directory>${basedir}/target/sbt/web/public/main</directory>
<targetPath>public</targetPath>
</resource>
</resources>
<plugins>
<plugin>
<groupId>com.google.code.play2-maven-plugin</groupId>
<artifactId>play2-maven-plugin</artifactId>
<version>1.0.0-rc5</version>
<extensions>true</extensions>
<configuration>
<mainLang>java</mainLang>
</configuration>
<dependencies>
<dependency>
<groupId>com.google.code.play2-maven-plugin</groupId>
<artifactId>play2-provider-play27</artifactId>
<version>1.0.0-rc5</version>
</dependency>
</dependencies>
<executions>
<execution>
<id>default-play2-enhance</id>
<goals>
<goal>enhance</goal>
</goals>
</execution>
<execution>
<phase>package</phase>
<goals>
<goal>dist</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>com.google.code.sbt-compiler-maven-plugin</groupId>
<artifactId>sbt-compiler-maven-plugin</artifactId>
<version>1.0.0</version>
</plugin>
<plugin>
<groupId>com.google.code.sbtrun-maven-plugin</groupId>
<artifactId>sbtrun-maven-plugin</artifactId>
<version>1.0.1</version>
<executions>
<execution>
<id>compile-assets</id>
<phase>generate-resources</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<args>web-assets:assets</args>
<jvmArgs>-Dscala.version=2.12.8</jvmArgs>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>2.6</version>
<executions>
<execution>
<id>default-jar</id>
<configuration>
<archive>
<manifest>
<addDefaultImplementationEntries>true</addDefaultImplementationEntries>
<addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
</manifest>
</archive>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>build-helper-maven-plugin</artifactId>
<version>1.12</version>
<executions>
<execution>
<id>attach-artifacts</id>
<phase>package</phase>
<goals>
<goal>attach-artifact</goal>
</goals>
</execution>
</executions>
<configuration>
<!-- <!– These empty tags keep IntelliJ quiet –> -->
<name />
<regex />
<source />
<value />
<fileSet />
<artifacts>
<artifact>
<file>${project.build.directory}/service-${project.version}-dist.zip</file>
<type>zip</type>
<classifier>dist</classifier>
</artifact>
</artifacts>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>eclipse</id> <!-- for M2Eclipse only -->
<build>
<directory>${project.basedir}/target-eclipse</directory>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<skipMain>true</skipMain>
<skip>true</skip>
<source>11</source>
<target>11</target>
</configuration>
<executions>
<execution>
<id>default-compile</id>
<goals><goal>compile</goal></goals>
</execution>
<execution>
<id>default-testCompile</id>
<goals><goal>testCompile</goal></goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
</project>编辑:更新的SBT和Scala版本，添加了已编辑的pom
回答 1
Stack Overflow用户
发布于 2020-02-06 12:10:09
根据scala文档https://docs.scala-lang.org/overviews/jdk-compatibility/overview.html
您的SBT版本与Java 11不兼容。
如果您不想升级到更高的版本，那么您使用的Akka版本应该是好的。
更新：
我可以看到您将sbt版本更新为0.13.17，并且尝试了更高的版本，但是您应该忘记SBT0.13并坚持使用SBT1.x，因为SBT0.13使用scala 2.10，而SBT1.xScala2.12。
我还注意到您没有maven编译器插件的版本标记。如果您使用的是maven 3，它应该会因为缺少这个标记而无法构建，而且由于它不是，我猜您使用的是应该升级的maven 2。此外，您还应该添加3.8.0版本标记到maven编译器插件中。
检查本指南，看看如何正确配置这个插件用于java 11。您还应该检查其他说明，看看是否所有的东西都配置正确。
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原文链接：
https://stackoverflow.com/questions/60098832
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