Sure. NIFI-2993 Issue clearer message when debug port conflicts

Thanks!


On 11/04/2016 06:25 PM, Andy LoPresto wrote:
That’s a tricky one. Great catch Bryan — good news that it had gotten you before so you knew what it was, bad news that it happens to anyone. I think this something we can catch during bootstrap and provide a better error for. Russ, feel free to file a Jira for that.

Andy LoPresto
[email protected] <mailto:[email protected]>
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On Nov 4, 2016, at 12:31 PM, Bryan Rosander <[email protected] <mailto:[email protected]>> wrote:

No worries. That's bitten me more than once :-). It would be nice of the JVM to print at least the port it's trying to bind to to make it a little more obvious.

On Fri, Nov 4, 2016 at 3:29 PM, Russell Bateman <[email protected] <mailto:[email protected]>> wrote:

    Bryan,

    Yes, thank you very much, I did and I wasn't even thinking about
    that (port 8000 no less).

    Embarrassed,

    Russ

    On 11/04/2016 11:47 AM, Bryan Rosander wrote:
    Hey Russ,

    It looks like you may have configured NiFi for remote
    debugging.  If you have port conflicts on the port Java tries to
    listen on for remote debugging, you'll see an error just like that.

    Thanks,
    Bryan

    On Fri, Nov 4, 2016 at 1:46 PM, Russell Bateman
    <[email protected]
    <mailto:[email protected]>> wrote:

        I feel sheepish asking this question, but I don't know where
        to turn. Now ready to move up to NiFi 1.0.0 from 0.7.1,
        where I've been running successfully since 0.4.0 nearly a
        year ago, and with no changes ever (in my test environment)
        to /nifi.properties/ except:

        nifi.web.http.port=9091

        I can't get NiFi to launch. The error from
        /logs/nifi-bootstrap.log/ is:

        *~/dev/nifi/nifi-1.0.0/logs $ cat nifi-bootstrap.log*
        2016-11-04 11:32:32,217 INFO [main]
        o.a.n.b.NotificationServiceManager Successfully loaded the
        following 0 services: []
        2016-11-04 11:32:32,221 INFO [main]
        org.apache.nifi.bootstrap.RunNiFi Registered no Notification
        Services for Notification Type NIFI_STARTED
        2016-11-04 11:32:32,221 INFO [main]
        org.apache.nifi.bootstrap.RunNiFi Registered no Notification
        Services for Notification Type NIFI_STOPPED
        2016-11-04 11:32:32,221 INFO [main]
        org.apache.nifi.bootstrap.RunNiFi Registered no Notification
        Services for Notification Type NIFI_DIED
        2016-11-04 11:32:32,222 INFO [main]
        org.apache.nifi.bootstrap.Command Apache NiFi is not
        currently running
        2016-11-04 11:32:35,684 INFO [main]
        o.a.n.b.NotificationServiceManager Successfully loaded the
        following 0 services: []
        2016-11-04 11:32:35,687 INFO [main]
        org.apache.nifi.bootstrap.RunNiFi Registered no Notification
        Services for Notification Type NIFI_STARTED
        2016-11-04 11:32:35,688 INFO [main]
        org.apache.nifi.bootstrap.RunNiFi Registered no Notification
        Services for Notification Type NIFI_STOPPED
        2016-11-04 11:32:35,688 INFO [main]
        org.apache.nifi.bootstrap.RunNiFi Registered no Notification
        Services for Notification Type NIFI_DIED
        2016-11-04 11:32:35,695 INFO [main]
        org.apache.nifi.bootstrap.Command Starting Apache NiFi...
        2016-11-04 11:32:35,695 INFO [main]
        org.apache.nifi.bootstrap.Command Working Directory:
        /home/russ/dev/nifi/nifi-1.0.0
        2016-11-04 11:32:35,696 INFO [main]
        org.apache.nifi.bootstrap.Command Command:
        /home/russ/dev/jdk1.8.0_25/bin/java -classpath
        
/home/russ/dev/nifi/nifi-1.0.0/./conf:/home/russ/dev/nifi/nifi-1.0.0/./lib/nifi-properties-loader-1.0.0.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/jcl-over-slf4j-1.7.12.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/nifi-api-1.0.0.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/logback-core-1.1.3.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/logback-classic-1.1.3.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/nifi-framework-api-1.0.0.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/jul-to-slf4j-1.7.12.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/nifi-documentation-1.0.0.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/nifi-runtime-1.0.0.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/slf4j-api-1.7.12.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/nifi-properties-1.0.0.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/bcprov-jdk15on-1.54.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/log4j-over-sl
        f
        
4j-1.7.12.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/commons-lang3-3.4.jar:/home/russ/dev/nifi/nifi-1.0.0/./lib/nifi-nar-utils-1.0.0.jar
        -Dorg.apache.jasper.compiler.disablejsr199=true -Xmx512m
        -Xms512m
        -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=8000
        -Dsun.net.http.allowRestrictedHeaders=true
        -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true
        -XX:+UseG1GC
        -Djava.protocol.handler.pkgs=sun.net.www.protocol
        
-Dnifi.properties.file.path=/home/russ/dev/nifi/nifi-1.0.0/./conf/nifi.properties
        -Dnifi.bootstrap.listen.port=33110 -Dapp=NiFi
        -Dorg.apache.nifi.bootstrap.co
        
<http://dorg.apache.nifi.bootstrap.co/>nfig.log.dir=/home/russ/dev/nifi/nifi-1.0.0/logs
        org.apache.nifi.NiFi
        *2016-11-04 11:32:35,747 ERROR [NiFi logging handler]
        org.apache.nifi.StdErr ERROR: transport error 202: bind
        failed: Address already in use**
        **2016-11-04 11:32:35,747 ERROR [NiFi logging handler]
        org.apache.nifi.StdErr ERROR: JDWP Transport dt_socket
        failed to initialize, TRANSPORT_INIT(510)**
        **2016-11-04 11:32:35,747 ERROR [NiFi logging handler]
        org.apache.nifi.StdErr JDWP exit error
        AGENT_ERROR_TRANSPORT_INIT(197): No transports initialized
        [debugInit.c:750]**
        **2016-11-04 11:32:35,747 INFO [NiFi logging handler]
        org.apache.nifi.StdOut FATAL ERROR in native method: JDWP No
        transports initialized,
        jvmtiError=AGENT_ERROR_TRANSPORT_INIT(197)*
        2016-11-04 11:32:36,739 INFO [main]
        org.apache.nifi.bootstrap.RunNiFi NiFi never started. Will
        not restart NiFi

        And yet,

        # lsof -i | grep 9091

        produces nothing for port 9091 (nor does netstat -lptu). So,
        port 9091 is not in use on my host, yet the error leads me
        to believe that this is the problem. (Indeed, I've seen this
        error before, or something like it, when running pre-1.0
        NiFi and recognizing that I had a port conflict which,
        corrected, always led to happiness.)

        Put-downs, wolf whistles and cat calls accepted (and
        welcome!), but what am I doing wrong or where should I look?

        Thanks,
        Russ






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