Sean Busbey created NIFI-1278:
---------------------------------

             Summary: Spurious error in logs on startup / shutdown
                 Key: NIFI-1278
                 URL: https://issues.apache.org/jira/browse/NIFI-1278
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
    Affects Versions: 0.4.0
         Environment: OS X 10.8.5, jdk1.7.0_51
            Reporter: Sean Busbey


When I start NiFi 0.4.0 nifi-app.log claims things failed

{code}
2015-12-11 02:12:57,605 INFO [main] org.eclipse.jetty.server.ServerConnector 
Started ServerConnector@a873882{HTTP/1.1}{0.0.0.0:8080}
2015-12-11 02:12:57,605 INFO [main] org.eclipse.jetty.server.Server Started 
@27201ms
2015-12-11 02:12:58,785 INFO [main] org.apache.nifi.web.server.JettyServer NiFi 
has started. The UI is available at the following URLs:
2015-12-11 02:12:58,785 INFO [main] org.apache.nifi.web.server.JettyServer 
http://172.16.0.136:8080/nifi
2015-12-11 02:12:58,785 INFO [main] org.apache.nifi.web.server.JettyServer 
http://172.18.13.132:8080/nifi
2015-12-11 02:12:58,785 INFO [main] org.apache.nifi.web.server.JettyServer 
http://127.0.0.1:8080/nifi
2015-12-11 02:12:58,791 ERROR [main] org.apache.nifi.NiFi Failure to launch 
NiFi due to java.net.SocketException: Invalid argument
java.net.SocketException: Invalid argument
        at java.net.SocketInputStream.socketRead0(Native Method) ~[na:1.7.0_51]
        at java.net.SocketInputStream.read(SocketInputStream.java:152) 
~[na:1.7.0_51]
        at java.net.SocketInputStream.read(SocketInputStream.java:122) 
~[na:1.7.0_51]
        at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:283) 
~[na:1.7.0_51]
        at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:325) 
~[na:1.7.0_51]
        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:177) ~[na:1.7.0_51]
        at java.io.InputStreamReader.read(InputStreamReader.java:184) 
~[na:1.7.0_51]
        at java.io.BufferedReader.fill(BufferedReader.java:154) ~[na:1.7.0_51]
        at java.io.BufferedReader.readLine(BufferedReader.java:317) 
~[na:1.7.0_51]
        at java.io.BufferedReader.readLine(BufferedReader.java:382) 
~[na:1.7.0_51]
        at 
org.apache.nifi.BootstrapListener.sendCommand(BootstrapListener.java:118) 
~[nifi-runtime-0.4.0.jar:0.4.0]
        at 
org.apache.nifi.BootstrapListener.sendStartedStatus(BootstrapListener.java:94) 
~[nifi-runtime-0.4.0.jar:0.4.0]
        at org.apache.nifi.NiFi.<init>(NiFi.java:140) 
~[nifi-runtime-0.4.0.jar:0.4.0]
        at org.apache.nifi.NiFi.main(NiFi.java:227) 
~[nifi-runtime-0.4.0.jar:0.4.0]

{code}

Going to the posted URL shows me the normal NiFi GUI, and things appear to work 
AFAICT.

The same kind of error appears at the end of the log once I issue 
{{./bin/nifi.sh stop}}.



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