Hi everybody, I'm installing Nifi with Ambari on AWS EC2. I got a similar error. What shall I do? Here the nifi-app.log: 2017-08-09 04:42:52,225 WARN [main] org.apache.nifi.web.server.JettyServer Failed to start web server... shutting down.
java.net.BindException: Cannot assign requested address
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:433)
at sun.nio.ch.Net.bind(Net.java:425)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:298)
at org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:80)
at org.eclipse.jetty.server.ServerConnector.doStart(ServerConnector.java:236)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
at org.eclipse.jetty.server.Server.doStart(Server.java:431)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:705)
at org.apache.nifi.NiFi.<init>(NiFi.java:160)
at org.apache.nifi.NiFi.main(NiFi.java:267)
2017-08-09 04:42:52,228 INFO [Thread-1] org.apache.nifi.NiFi Initiating shutdown of Jetty web server...
2017-08-09 04:42:52,236 INFO [Thread-1] o.eclipse.jetty.server.AbstractConnector Stopped ServerConnector@25b88b09{HTTP/1.1,[http/1.1]}{<FQDN-of-my-EC2-instance>:9090}
2017-08-09 04:42:52,236 INFO [Thread-1] org.eclipse.jetty.server.session Stopped scavenging
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