我在用mvn编译hadoop-lzo源码时报以下错误：
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.7:run (check-platform) on project hadoop-lzo: Execution check-platform of goal org.apache.maven.plugins:maven-antrun-plugin:1.7:run failed: Plugin org.apache.maven.plugins:maven-antrun-plugin:1.7 or one of its dependencies could not be resolved: Could not find artifact com.sun:tools:jar:1.6 at specified path /jdk-18/../lib/tools.jar -> [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/PluginResolutionException
百度了很久试了很多方法也没有效果，请问是哪出了问题！
没有编译成功吧，问