MyFleetGirls error

gistfile1.txt

sue@nagato% sh -x MyFleetGirls.sh
+ dirname MyFleetGirls.sh
+ cd .
+ java -jar update.jar
myfleetgirls.keystoreに変更はありません
LICENSEに変更はありません
application.conf.sampleに変更はありません
MyFleetGirls.jarは存在しません。ダウンロードします。
おやっ、IOExceptionです！
java.io.EOFException
        at java.util.zip.GZIPInputStream.readUByte(GZIPInputStream.java:268)
        at java.util.zip.GZIPInputStream.readUShort(GZIPInputStream.java:258)
        at java.util.zip.GZIPInputStream.readHeader(GZIPInputStream.java:164)
        at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:79)
        at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:91)
        at Connection.pack20ODownload(Connection.java:76)
        at Connection.download(Connection.java:55)
        at Main.main(Main.java:34)
+ java -jar MyFleetGirls.jar
Error: Invalid or corrupt jarfile MyFleetGirls.jar