我在编译在这里找到的 Jung 的番石榴分支时遇到问题。jung-visualization 的 PluggableRenderContext.java 有一个编译错误。看来这个问题之前已经出现过这个谷歌搜索可见，但链接重定向到 jung GitHub 存储库。
我已将 GitHub 存储库克隆到本地计算机，然后将 Maven 项目导入 eclipse。当以“全新安装”为目标运行时，我在构建 jung-visualization 时得到以下输出。
[INFO] ------------------------------------------------------------------------
[INFO] Building jung-visualization 2.0.2-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ jung-visualization ---
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ jung-visualization ---
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory /Users/eric/Documents/Development/java/git/jung/jung/jung-visualization/src/main/resources
[INFO]
[INFO] --- maven-compiler-plugin:2.0:compile (default-compile) @ jung-visualization ---
Compiling 158 source files to /Users/eric/Documents/Development/java/git/jung/jung/jung-visualization/target/classes
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] jung2 .............................................. SUCCESS [ 0.570 s]
[INFO] jung-api ........................................... SUCCESS [ 2.159 s]
[INFO] jung-graph-impl .................................... SUCCESS [ 2.148 s]
[INFO] jung-algorithms .................................... SUCCESS [ 4.028 s]
[INFO] jung-io ............................................ SUCCESS [ 3.369 s]
[INFO] jung-visualization ................................. FAILURE [ 1.770 s]
[INFO] jung-samples ....................................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 14.192 s
[INFO] Finished at: 2015-08-16T23:59:57-04:00
[INFO] Final Memory: 62M/369M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.0:compile (default-compile) on project jung-visualization: Compilation failure: Compilation failure:
[ERROR] /Users/eric/Documents/Development/java/git/jung/jung/jung-visualization/src/main/java/edu/uci/ics/jung/visualization/PluggableRenderContext.java:[47,7] error: PluggableRenderContext is not abstract and does not override abstract method getEdgeShapeTransformer() in RenderContext
[ERROR]
[ERROR] could not parse error message: where V,E are type-variables:
[ERROR] V extends Object declared in class PluggableRenderContext
[ERROR] E extends Object declared in class PluggableRenderContext
[ERROR] /Users/eric/Documents/Development/java/git/jung/jung/jung-visualization/src/main/java/edu/uci/ics/jung/visualization/PluggableRenderContext.java:310: error: getEdgeShapeTransformer() in PluggableRenderContext cannot implement getEdgeShapeTransformer() in RenderContext
[ERROR] public Function<? super Context<Graph<V,E>,E>,Shape> getEdgeShapeTransformer() {
[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
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <goals> -rf :jung-visualization
任何帮助，将不胜感激！最好的问候，MCG。