由于java.io.FileNotFoundException /usr/share/ant/lib/ecj.jar (权限被拒绝)，无法将/home/[...]/ecj.jar复制到/usr/share/ant/lib/ecj.jar

Question

虽然ant clean在Liferay IDE中运行良好，但从命令行尝试时，我得到：

$ ant clean
Buildfile: /home/nico/myportlet/build.xml
     [copy] Copying 1 file to /usr/share/ant/lib
Attempt to copy /home/nico/liferay-plugins-sdk-6.2-ee-sp14/lib/ecj.jar to /usr/share/ant/lib/ecj.jar using NIO Channels failed due to '/usr/share/ant/lib/ecj.jar (Permission denied)'.  Falling back to streams.

BUILD FAILED
/home/nico/myportlet/build.xml:5: The following error occurred while executing this line:
/home/nico/liferay-plugins-sdk-6.2-ee-sp14/portlets/build-common-portlet.xml:5: The following error occurred while executing this line:
/home/nico/liferay-plugins-sdk-6.2-ee-sp14/build-common-plugin.xml:5: The following error occurred while executing this line:
/home/nico/liferay-plugins-sdk-6.2-ee-sp14/build-common.xml:94: Failed to copy /home/nico/liferay-plugins-sdk-6.2-ee-sp14/lib/ecj.jar to /usr/share/ant/lib/ecj.jar due to java.io.FileNotFoundException /usr/share/ant/lib/ecj.jar (Permission denied)

Total time: 2 seconds

如何解决这个问题？

Answer 1

只需以root用户身份手动复制文件即可。

这样做之后，ant将会很高兴，并且可以毫无抱怨地执行任务。

以下是如何在Linux/Mac上执行此操作：

sudo cp /home/nico/liferay-plugins-sdk-6.2-ee-sp14/lib/ecj.jar /usr/share/ant/lib/

Answer 2

或者为了不弄乱系统库，我们可以像这样引用文件夹到ant：

ant clean -lib /home/nico/liferay-plugins-sdk-6.2-ee-sp14/lib