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java.io.IOException: closed	at net.lightbody.bmp.proxy.jetty.http.HttpOutputStream.prepareOutput(HttpOutputStream.java:444)	at net.lightbody.bmp.proxy.jetty.http.HttpOutputStream.write(HttpOutputStream.java:413)	at net.lightbody.bmp.proxy.jetty.http.HttpOutputStream.write(HttpOutputStream.java:406)