あと、度々、以下のエラーが出ているようです。
java.io.IOException: Premature EOF
at sun.net.www.http.ChunkedInputStream.readAheadBlocking(ChunkedInputStream.java:546)
at sun.net.www.http.ChunkedInputStream.readAhead(ChunkedInputStream.java:590)
at sun.net.www.http.ChunkedInputStream.read(ChunkedInputStream.java:677)
at java.io.FilterInputStream.read(FilterInputStream.java:116)
at sun.net.www.protocol.http.HttpURLConnection$HttpInputStream.read(HttpURLConnection.java:2707)
at java.io.FilterInputStream.read(FilterInputStream.java:116)
at org.monazilla.v2c.V2CHttpUtil$GZIPFilterInputStream.read(V2CHttpUtil.java:584)
at java.util.zip.InflaterInputStream.fill(InflaterInputStream.java:221)
at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:141)
at java.util.zip.GZIPInputStream.read(GZIPInputStream.java:90)
at java.io.FilterInputStream.read(FilterInputStream.java:90)
at org.monazilla.v2c.V2CHttpUtil.updateDatFile(V2CHttpUtil.java:1698)
at org.monazilla.v2c.V2CHttpUtil.updateDatFile(V2CHttpUtil.java:1315)
at org.monazilla.v2c.V2CHttpUtil.updateDatFile(V2CHttpUtil.java:1213)
at org.monazilla.v2c.V2CBBSThreadRes.doUpdateThread(Unknown Source)
at org.monazilla.v2c.V2CBBSThreadRes$UpdateThread.run(Unknown Source)
