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java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)[na:1.8.0_31] at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:716)[na:1.8.0_31] at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processEvent(DefaultConnectingIOReactor.java:173)[puppet-server-release.jar:na] at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processEvents(DefaultConnectingIOReactor.java:147)[puppet-server-release.jar:na] at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:348)[puppet-server-release.jar:na] at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.execute(PoolingNHttpClientConnectionManager.java:189)[puppet-server-release.jar:na] at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase.doExecute(CloseableHttpAsyncClientBase.java:67)[puppet-server-release.jar:na] at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase.access$000(CloseableHttpAsyncClientBase.java:38)[puppet-server-release.jar:na] at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase$1.run(CloseableHttpAsyncClientBase.java:57)[puppet-server-release.jar:na] at java.lang.Thread.run(Thread.java:745)[na:1.8.0_31]