package com.sun.javadoc does not exist

external/doclava/src/com/google/doclava/ClassInfo.java:20: package com.sun.javadoc does not exist
import com.sun.javadoc.ClassDoc;

android 编译环境配置，出现这个问题是因为 java环境配置问题，但已经设置了java home了啊，后来发现是这样的。

bad:

export PATH=/home/rev/BIN/jdk-6u34/jdk1.6.0_34/bin/:$PATH

Good:

export PATH=/home/rev/BIN/jdk-6u34/jdk1.6.0_34/bin:$PATH

refs:

http://www.rqna.net/qna/nhvuvu-missing-symbols-building-android-on-ubuntu.html