Mike, We've seen this before in some environments and believe the issue has been addressed in Jetty [1]. We need to identify which versions of Jetty the issue was resolved in and get that included in the next NiFi release. Sorry for the inconvenience.
Matt [1] https://issues.apache.org/jira/browse/NIFI-1265 Sent from my iPhone > On May 3, 2016, at 10:48 PM, Mike Harding <[email protected]> wrote: > > ...this is what I see in the nifi-app.log > > >> java.lang.IllegalArgumentException: Comparison method violates its general >> contract! >> at java.util.ComparableTimSort.mergeHi(ComparableTimSort.java:866) >> ~[na:1.8.0_91] >> at java.util.ComparableTimSort.mergeAt(ComparableTimSort.java:483) >> ~[na:1.8.0_91] >> at >> java.util.ComparableTimSort.mergeForceCollapse(ComparableTimSort.java:422) >> ~[na:1.8.0_91] >> at java.util.ComparableTimSort.sort(ComparableTimSort.java:222) >> ~[na:1.8.0_91] >> at java.util.Arrays.sort(Arrays.java:1246) ~[na:1.8.0_91] > > >> On 4 May 2016 at 03:38, Mike Harding <[email protected]> wrote: >> >> 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 >> >>
