zhongzunfa

icon company JD.com icon location Beijing China icon location 🔥《重新定义Spring Cloud实战》作者，Spring Cloud中国社区创始人。

Results 1 issues of zhongzunfa

空指针异常。

java.lang.NullPointerException at me.stevenkin.spider.download.Downloader.download(Downloader.java:88) at me.stevenkin.spider.Spider.run(Spider.java:57) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 还有一个问题， 就是可以写的使用文档吗？