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From Russell Bateman <r...@windofkeltia.com>
Subject Re: Adding JVM arguments when running NiFi...
Date Thu, 15 Dec 2016 02:00:29 GMT
Of course, as many have done, I've run Java applications with JFR 
enabled using these options against this very JVM (jdk1.8.0_112). So, it 
isn't a problem for the JVM I'm using. I haven't finished digging down 
into ProcessBuilder, or deeper, to figure out why these options are not 
getting love. I'll get back at it tomorrow and report back.

On 12/14/2016 11:05 AM, Russell Bateman wrote:
>
> I've doctored /conf/bootstrap.conf/ to contain these additional lines:
>
>     java.arg.15=-XX:+UnlockCommercialFeatures
>     java.arg.16=-XX:+FlightRecorder
>     java.arg.17=-XX:StartFlightRecording=duration=120m,filename=recording.jfr
>
>
> In the end, NiFi's grumpy about this and won't start (from 
> /logs/nifi-bootstrap.log/):
>
> 2016-12-14 10:39:36,489 ERROR [NiFi logging handler] 
> org.apache.nifi.StdErr Error: *To use 'FlightRecorder', first unlock 
> using -XX:+UnlockCommercialFeatures.*
> 2016-12-14 10:39:36,489 ERROR [NiFi logging handler] 
> org.apache.nifi.StdErr Error: Could not create the Java Virtual Machine.
> 2016-12-14 10:39:36,489 ERROR [NiFi logging handler] 
> org.apache.nifi.StdErr Error: A fatal exception has occurred. Program 
> will exit.
> 2016-12-14 10:39:36,507 INFO [main] org.apache.nifi.bootstrap.RunNiFi 
> NiFi never started. Will not restart NiFi
>
> I tried using all options as one (in case the order is disturbed, 
> which it was):
>
>     java.arg.15=-XX:+UnlockCommercialFeatures-XX:+FlightRecorder-XX:StartFlightRecording=duration=120m,filename=recording.jfr
>
>
> and then I get:
>
> *2016-12-14 10:50:07,574 ERROR [NiFi logging handler] 
> org.apache.nifi.StdErr Unrecognized VM option 
> 'UnlockCommercialFeatures -XX:+FlightRecorder 
> -XX:StartFlightRecording=duration=120m,filename=recording.jfr'*
> 2016-12-14 10:50:07,574 ERROR [NiFi logging handler] 
> org.apache.nifi.StdErr Error: Could not create the Java Virtual Machine.
> 2016-12-14 10:50:07,574 ERROR [NiFi logging handler] 
> org.apache.nifi.StdErr Error: A fatal exception has occurred. Program 
> will exit.
> 2016-12-14 10:50:07,598 INFO [main] org.apache.nifi.bootstrap.RunNiFi 
> NiFi never started. Will not restart NiFi
>
> Here's the second command line from /logs/nifi-bootstrap.log/, which 
> I've wrapped for convenience in reading (see JVM version here too):
>
> 2016-12-14 10:56:40,526 INFO [main] org.apache.nifi.bootstrap.Command 
> Working Directory: /home/russ/dev/nifi/nifi-1.1.0
> 2016-12-14 10:56:40,526 INFO [main] org.apache.nifi.bootstrap.Command 
> Command: */home/russ/dev/jdk1.8.0_112/bin/java*
> -classpath 
> /home/russ/dev/nifi/nifi-1.1.0/./conf:/home/russ/dev/nifi/nifi-1.1.0/./lib/jcl-over-slf4j-1.7.12.jar:/home/russ/dev/nifi/nifi-1.1.0/./lib/logback-core-1.1.3.jar:/home/russ/dev/nifi/nifi-1.1.0/./lib/nifi-documentation-1.1.0.jar:/home/russ/dev/nifi/nifi-1.1.0/./lib/nifi-nar-utils-1.1.0.jar:/home/russ/dev/nifi/nifi-1.1.0/./lib/logback-classic-1.1.3.jar:/home/russ/dev/nifi/nifi-1.1.0/./lib/jul-to-slf4j-1.7.12.jar:/home/russ/dev/nifi/nifi-1.1.0/./lib/nifi-runtime-1.1.0.jar:/home/russ/dev/nifi/nifi-1.1.0/./lib/slf4j-api-1.7.12.jar:/home/russ/dev/nifi/nifi-1.1.0/./lib/nifi-api-1.1.0.jar:/home/russ/dev/nifi/nifi-1.1.0/./lib/nifi-framework-api-1.1.0.jar:/home/russ/dev/nifi/nifi-1.1.0/./lib/log4j-over-slf4j-1.7.12.jar:/home/russ/dev/nifi/nifi-1.1.0/./lib/nifi-properties-1.1.0.jar
> -Dorg.apache.jasper.compiler.disablejsr199=true
> -Xmx512m
> -Xms512m
> -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=9191
> *-XX:+UnlockCommercialFeatures
> -XX:+FlightRecorder
> -XX:StartFlightRecording=duration=120m,filename=recording.jfr*
> -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-1.1.0/./conf/nifi.properties
> -Dnifi.bootstrap.listen.port=41736
> -Dapp=NiFi
> -Dorg.apache.nifi.bootstrap.config.log.dir=/home/russ/dev/nifi/nifi-1.1.0/logs 
> org.apache.nifi.NiFi
>
> Last, I frantically tried this:
>
>     java.arg.15="-XX:+UnlockCommercialFeatures -XX:+FlightRecorder
>     -XX:StartFlightRecording=duration=120m,filename=recording.jfr"
>
>
> and then got:
>
> *2016-12-14 11:01:36,659 ERROR [NiFi logging handler] 
> org.apache.nifi.StdErr Error: Could not find or load main class 
> "-XX:+UnlockCommercialFeatures -XX:+FlightRecorder 
> -XX:StartFlightRecording=duration=120m,filename=recording.jfr"*
>
>
> What's the canonical way of adding/inserting my own JVM commands? 
> Alternatively, is NiFi analyzing and blocking -XX:arguments to the JVM 
> as illegal or unrecognized?
>
> Thanks,
>
> Russ


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