Ошибка с Javой, кто шарит,помогите,оставил код ошибки

ava.lang.IllegalArgumentException: Invalid characters in hostname
at java.net .HostPortrange.toLowerCase(Unknown Source)
at java.net .HostPortrange.<init>(Unknown Source)
at java.net .URLPermission$Authority.<init>(Unknown Source)
at java.net .URLPermission.parseURI(Unknown Source)
at java.net .URLPermission.init(Unknown Source)
at java.net .URLPermission.<init>(Unknown Source)
at sun.net .www.protocol.http.HttpURLConnection.URLtoSocketPermission(Unknown Source)
at sun.net .www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at sun.net .www.protocol.http.HttpURLConnection.getHeaderField(Unknown Source)
at java.net .URLConnection.getContentType(Unknown Source)
at com.sun.deploy.net .proxy.AbstractAutoProxyHandler.isSupportedINSFile(Unknown Source)
at com.sun.deploy.net .proxy.AbstractAutoProxyHandler.retrieveContentOfPACFile(Unknown Source)
at com.sun.deploy.net .proxy.AbstractAutoProxyHandler.contructLegacyPACScript_16(Unknown Source)
at com.sun.deploy.net .proxy.AbstractAutoProxyHandler.init(Unknown Source)
at com.sun.deploy.net .proxy.SunAutoProxyHandler.init(Unknown Source)
at com.sun.deploy.net .proxy.DynamicProxyManager.reset(Unknown Source)
at com.sun.deploy.net .proxy.DeployProxySelector.reset(Unknown Source)
at com.sun.javaws.Main.initializeExecutionEnvironment(Unknown Source)
at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
at com.sun.javaws.Main.access$000(Unknown Source)
at com.sun.javaws.Main$ 1.run (Unknown Source)
at java.lang.Thread.run (Unknown Source)