【发布时间】:2014-06-25 22:06:57
【问题描述】:
我正在将我的 java 6 代码升级到 java 7。已更新 JAVA_HOME 以指向 OS X 10.9 上的 JDK 1.7。该代码尚未使用任何 Java 7 功能。
当我运行构建“mvn clean install”时,构建中断,没有任何有用的错误消息。
构建成功,source=1.6 & target=1.6 但是对于 source=1.7(或 7)和 target=1.7(或 7)失败
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version> <!-- tried with 2.3.2 and 3.0... no luck -->
<configuration>
<source>7</source>
<target>7</target>
<compilerArgument>-Werror </compilerArgument>
<fork>true</fork>
</configuration>
Error Message:
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 8.773 s
[INFO] Finished at: 2014-06-25T14:56:13-08:00
[INFO] Final Memory: 10M/245M
[INFO] ------------------------------------------------------------------------
[**ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:testCompile (default-testCompile) on project core: Compilation failure
[ERROR] Failure executing javac, but could not parse the error:
[ERROR] 1 error
[ERROR] -> [Help 1]**
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
【问题讨论】:
-
mvn --version输出什么? -
以及使用
mvn -e的输出 -
对于初学者来说,
7不是合法版本。将其更改为正确的1.7并重试。