Question

我正在使用JRE 1.5。仍然当我尝试编译我的代码时，它失败了说使用JRE 1.5而不是1.3

C：\ temp \ SpringExample＆gt; mvn -e clean install +错误堆栈跟踪已打开。 [INFO]扫描项目...... [INFO] ----------------------------------------------- ------------------------- [INFO]构建SpringExample [INFO]任务段：[清理，安装] [INFO] ----------------------------------------------- ------------------------- [INFO] [clean：clean {execution：default-clean}] [INFO]删除目录C：\ temp \ SpringExample \ target [INFO] [资源：资源{执行：默认资源}] [警告]使用平台编码（实际上是Cp1252）来复制过滤后的资源，即构建依赖于平台！ [INFO]复制6个资源 [INFO] [编译器：compile {execution：default-compile}] [INFO]将6个源文件编译为C：\ temp \ SpringExample \ target \ classes [INFO] ----------------------------------------------- ------------------------- [ERROR]构建失败 [INFO] ----------------------------------------------- ------------------------- [INFO]编译失败 C：\ temp \ SpringExample \ src \ main \ java \ com \ mkyong \ stock \ model \ Stock.java：-source 1.3中不支持[45,9]注释（尝试使用-source 1.5启用注释） @override

[INFO] -------------------------------------------- ---------------------------- [信息]追踪 org.apache.maven.BuildFailureException：编译失败 C：\ temp \ SpringExample \ src \ main \ java \ com \ mkyong \ stock \ model \ Stock.java：-source 1.3中不支持[45,9]注释（尝试使用-source 1.5启用注释） @override

    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:715)
    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)
    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
    at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:585)
    at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
    at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
    at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
    at org.codehaus.classworlds.Launcher.main(Launcher.java:375)

引起：org.apache.maven.plugin.CompilationFailureException：编译失败 C：\ temp \ SpringExample \ src \ main \ java \ com \ mkyong \ stock \ model \ Stock.java：-source 1.3中不支持[45,9]注释（尝试使用-source 1.5启用注释） @override

    at org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:516)
    at org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:114)
    at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
    ... 17 more

[INFO] -------------------------------------------- ---------------------------- [INFO]总时间：2秒 [INFO]完成时间：12月22日星期三10:04:53 IST 2010 [INFO]最终记忆：9M / 16M [INFO] ----------------------------------------------- ------------------------- C：\ temp \ SpringExample＆gt; javac -version javac 1.5.0_08 javac：没有源文件

Answer 1

你有类似下面的内容来指定maven编译器插件使用的java版本吗？

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>2.3.2</version>
            <configuration>
                <source>1.5</source>
                <target>1.5</target>
            </configuration>
        </plugin>
    </plugins>
</build>

Answer 2

较短的版本

<project>
    <properties>
        <maven.compiler.source>1.5</maven.compiler.source>
        <maven.compiler.target>1.5</maven.compiler.target>
    </properties>
....

使用JRE 1.5，仍然maven说-source 1.3中不支持注释

2 个答案: