[英]java 1.7+ is not supported in -source 1.5 errors
I'm getting all sort of java errors not supported in -source 1.5 when creating my Maven Install in eclipse.在 Eclipse 中创建我的 Maven 安装时,我遇到了 -source 1.5 中不支持的所有类型的 java 错误。 There is nothing wrong with my code.我的代码没有任何问题。
Errors follows:错误如下:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1
[23,62] multi-catch statement is not supported in -source 1.5
[241,29] try-with-resources is not supported in -source 1.5
[156,64] diamond operator is not supported in -source 1.5
My pom configuration follows:我的 pom 配置如下:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>3.2.3</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
Add the following lines in your pom.xml file should resolve your problem.在 pom.xml 文件中添加以下几行应该可以解决您的问题。
<properties>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
If you may take in consideration the advises that were provided to you.如果您可以考虑提供给您的建议。 You would have 2 options to choose from:您将有 2 个选项可供选择:
Option 1) If you keep the maven-war-plugin.选项 1)如果您保留 maven-war-plugin。 Update version to the latest then add the properties with the compiler info and sourceEncoding but remove the configuration lines :将版本更新到最新,然后添加带有编译器信息和 sourceEncoding 的属性,但删除配置行:
<properties>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<build>
..
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>3.3.1</version>
</plugin>
..
</build>
Option 2) If you replace maven-war-plugin with the maven-compiler-plugin ** There are no need to add/replace the source, target and encoding to the properties**.选项 2)如果将 maven-war-plugin 替换为 maven-compiler-plugin ** 无需在属性中添加/替换源、目标和编码**。 Make sure to update the version to the latest:确保将版本更新到最新:
<build>
..
<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>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
..
</build>
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