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java.lang.IllegalStateException: Already connected	at sun.net.www.protocol.http.HttpURLConnection.setRequestProperty(HttpURLConnection.java:3000)	at org.glassfish.jersey.client.HttpUrlConnector.setOutboundHeaders(HttpUrlConnector.java:348)	at org.glassfish.jersey.client.HttpUrlConnector.access$100(HttpUrlConnector.java:87)	at org.glassfish.jersey.client.HttpUrlConnector$3.getOutputStream(HttpUrlConnector.java:311)	at org.glassfish.jersey.message.internal.CommittingOutputStream.commitStream(CommittingOutputStream.java:200)	at org.glassfish.jersey.message.internal.CommittingOutputStream.commitStream(CommittingOutputStream.java:194)	at org.glassfish.jersey.message.internal.CommittingOutputStream.commit(CommittingOutputStream.java:262)	at org.glassfish.jersey.message.internal.OutboundMessageContext.commitStream(OutboundMessageContext.java:811)	at org.glassfish.jersey.client.ClientRequest.writeEntity(ClientRequest.java:546)	at org.glassfish.jersey.client.HttpUrlConnector._apply(HttpUrlConnector.java:315)	at org.glassfish.jersey.client.HttpUrlConnector.apply(HttpUrlConnector.java:227)	at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:246)