Cannot invoke "com.alibaba.fastjson.JSONArray.size()" because "modary" is null

[Kino0208]

java.net.MalformedURLException: no protocol:

     at java.base/java.net.URL.<init>(URL.java:674)
     at java.base/java.net.URL.<init>(URL.java:569)
     at java.base/java.net.URL.<init>(URL.java:516)
     at z2bguoguo.jiemian.geturl(jiemian.java:53)
     at z2bguoguo.zhixing.run(zhixing.java:60)

java.lang.NullPointerException: Cannot invoke "com.alibaba.fastjson.JSONArray.size()" because "modary" is null
at z2bguoguo.jiemian.getmodfilenames(jiemian.java:91)
at z2bguoguo.zhixing.run(zhixing.java:61)

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