G1GC support ?

Hello,
seems to not works with G1GC mode !? No error (exit code still 0, no output console), any idea to workaround or check ?

I’ve changed my process command line from :
-Xms24576m
-Xmx24576m
-XX:NewRatio=3
-XX:SurvivorRatio=4
-XX:TargetSurvivorRatio=90
-XX:MaxTenuringThreshold=8
-XX:+UseConcMarkSweepGC
-XX:+UseParNewGC
-XX:ConcGCThreads=4
-XX:ParallelGCThreads=4
-XX:+CMSScavengeBeforeRemark
-XX:PretenureSizeThreshold=64m
-XX:+UseCMSInitiatingOccupancyOnly
-XX:CMSInitiatingOccupancyFraction=50
-XX:CMSMaxAbortablePrecleanTime=6000
-XX:+CMSParallelRemarkEnabled
-XX:+ParallelRefProcEnabled
-verbose:gc
-XX:+PrintHeapAtGC
-XX:+PrintGCDetails
-XX:+PrintGCDateStamps
-XX:+PrintGCTimeStamps
-XX:+PrintTenuringDistribution
-XX:+PrintGCApplicationStoppedTime
-Xloggc:/var/log/cloudera-hdp-solr/solr_gc.log
-XX:+UseGCLogFileRotation
-XX:NumberOfGCLogFiles=9
-XX:GCLogFileSize=20M
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.local.only=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.port=18983
-Dcom.sun.management.jmxremote.rmi.port=18983
…

to
-server
-Xms20480m
-Xmx20480m
-XX:+UseG1GC
-XX:+PerfDisableSharedMem
-XX:+ParallelRefProcEnabled
-XX:G1HeapRegionSize=8m
-XX:MaxGCPauseMillis=250
-XX:InitiatingHeapOccupancyPercent=75
-XX:+UseLargePages
-XX:+AggressiveOpts
-verbose:gc
-XX:+PrintHeapAtGC
-XX:+PrintGCDetails
-XX:+PrintGCDateStamps
-XX:+PrintGCTimeStamps
-XX:+PrintTenuringDistribution
-XX:+PrintGCApplicationStoppedTime
-Xloggc:/var/log/cloudera-hdp-solr/solr_gc.log
-XX:+UseGCLogFileRotation
-XX:NumberOfGCLogFiles=9
-XX:GCLogFileSize=20M
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.local.only=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.port=18983
-Dcom.sun.management.jmxremote.rmi.port=18983

Thanks
Olivier