[英]Java Maven project won't get deployed to Heroku
我正在尝试使用 Heroku 部署一个简单的应用程序,但我不断收到相同的错误:
Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project
我认为我的 pom.xml 文件有问题,但在多次更改后,它仍然无法正常工作,我似乎无法弄清楚原因。
这是我的 pom.xml 文件:
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>UserManagement</groupId>
<artifactId>UserManagement</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>Repo-X</name>
<description>Software repository</description>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.8.2</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<sourceDirectory>src</sourceDirectory>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<release>12</release>
</configuration>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>3.2.3</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>3.2.0</version>
<executions>
<execution>
<phase>package</phase>
<goals><goal>copy</goal></goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>com.github.jsimone</groupId>
<artifactId>webapp-runner</artifactId>
<version>8.0.30.2</version>
<destFileName>webapp-runner.jar</destFileName>
</artifactItem>
</artifactItems>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
要解决错误:
Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project
我建议几个选项:
POM
中添加明确的properties
,然后像这样的依赖项:<properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <maven.compiler.source>1.8</maven.compiler.source> <maven.compiler.target>1.8</maven.compiler.target> </properties>
*基于您的Java 项目版本。
<configuration>
元素进行配置:<plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.1</version> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin>
maven-compiler-plugin
版本然后重新部署。
此外,如果您通过您的具体尝试更新问题,以及您究竟试图做什么来解决它,它也会提供更多信息。
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