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看图答问 ？_？有人会吗
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WARNING: cannot find the hash file! I will create backups of any existing configuration files.
You can delete them if you didn't make any changes to them.
ERROR: Error checking configuration files
java.lang.RuntimeException: Cannot create directory: conf!
        at org.jmc.Configuration.initialize(Unknown Source)
        at org.jmc.Main.runGUI(Unknown Source)
        at org.jmc.Main.main(Unknown Source)

Reading materials file...
ERROR: Error reading configuration file:
java.lang.Exception: Cannot open configuration file conf/default.mtl
        at org.jmc.Materials.readConfig(Unknown Source)
        at org.jmc.Materials.initialize(Unknown Source)
        at org.jmc.Main.runGUI(Unknown Source)
        at org.jmc.Main.main(Unknown Source)

ERROR: Cannot check update
java.net.UnknownHostException: www.jmc2obj.net
        at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
        at java.net.PlainSocketImpl.connect(Unknown Source)
        at java.net.SocksSocketImpl.connect(Unknown Source)
        at java.net.Socket.connect(Unknown Source)
        at java.net.Socket.connect(Unknown Source)
        at sun.net.NetworkClient.doConnect(Unknown Source)
        at sun.net.www.http.HttpClient.openServer(Unknown Source)
        at sun.net.www.http.HttpClient.openServer(Unknown Source)
        at sun.net.www.http.HttpClient.<init>(Unknown Source)
        at sun.net.www.http.HttpClient.New(Unknown Source)
        at sun.net.www.http.HttpClient.New(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection.followRedirect(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
        at java.net.URL.openStream(Unknown Source)
        at org.jmc.util.Xml.loadDocument(Unknown Source)
        at org.jmc.CheckUpdate.isAvailable(Unknown Source)
        at org.jmc.CheckUpdate$1.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)

No update available...