Hi, I just complied the latest master from the repo and I'm seeing the following error each time I try and run the nifi server. The particular error is:
*Failed to start web server: Comparison method violates its general contract!* I'm lost for ideas on how to address this issue ? Any help much appreciated, Mike > 2016-05-04 03:29:09,918 INFO [main] org.apache.nifi.bootstrap.Command > Starting Apache NiFi... > 2016-05-04 03:29:09,919 INFO [main] org.apache.nifi.bootstrap.Command > Working Directory: > /opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT > 2016-05-04 03:29:09,920 INFO [main] org.apache.nifi.bootstrap.Command > Command: java -classpath > /opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./conf:/opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/slf4j-api-1.7.12.jar:/opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/logback-core-1.1.3.jar:/opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/nifi-runtime-1.0.0-SNAPSHOT.jar:/opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/logback-classic-1.1.3.jar:/opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/nifi-nar-utils-1.0.0-SNAPSHOT.jar:/opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/jul-to-slf4j-1.7.12.jar:/opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/jcl-over-slf4j-1.7.12.jar:/opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/log4j-over-slf4j-1.7.12.jar:/opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/nifi-properties-1.0.0-SNAPSHOT.jar:/opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/nifi-api-1.0.0-SNAPSHOT.jar:/opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/nifi-documentation-1.0.0-SNAPSHOT.jar > -Dorg.apache.jasper.compiler.disablejsr199=true -Xmx512m -Xms512m - > Dambari.application.id=nifi -Dambari.metrics.collector.url= > http://smartclean-master.lancs.ac.uk:6188/ws/v1/timeline/metrics > -Dsun.net.http.allowRestrictedHeaders=true -Djava.net.preferIPv4Stack=true > -Djava.awt.headless=true -Djava.protocol.handler.pkgs=sun.net.www.protocol > -Dnifi.properties.file.path=/opt/HDF-1.2.0.0/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./conf/nifi.properties > -Dnifi.bootstrap.listen.port=59442 -Dapp=NiFi org.apache.nifi.NiFi > 2016-05-04 03:29:10,544 INFO [NiFi Bootstrap Command Listener] > org.apache.nifi.bootstrap.RunNiFi Apache NiFi now running and listening for > Bootstrap requests on port 37085 > 2016-05-04 03:29:33,422 ERROR [NiFi logging handler] > org.apache.nifi.StdErr > *Failed to start web server: Comparison method violates its general > contract!*2016-05-04 03:29:33,422 ERROR [NiFi logging handler] > org.apache.nifi.StdErr Shutting down... > 2016-05-04 03:29:34,992 INFO [main] org.apache.nifi.bootstrap.RunNiFi NiFi > never started. Will not restart NiFi
