# Logstash : Java HotSpot(TM) 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release **URL:** \ **Category:** Logstash\ **Created:** [January 22, 2020, 12:54pm UTC](https://discuss.elastic.co/t/logstash-java-hotspot-tm-64-bit-server-vm-warning-option-useconcmarksweepgc-was-deprecated-in-version-9-0-and-will-likely-be-removed-in-a-future-release/216060 "2020-01-22T12:54:58Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![Ekta](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ekta/32/55987_2.png) [@Ekta](https://discuss.elastic.co/u/Ekta)\ **Post date:** [January 22, 2020, 12:54pm UTC](https://discuss.elastic.co/t/logstash-java-hotspot-tm-64-bit-server-vm-warning-option-useconcmarksweepgc-was-deprecated-in-version-9-0-and-will-likely-be-removed-in-a-future-release/216060/1 "2020-01-22T12:54:58Z")
while shashing first log it show below warning: /usr/share/logstash# bin/logstash -e 'input { stdin { } } output { stdout {} }' Java HotSpot(TM) 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely b e removed in a future release. WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.headius.backport9.modules.Modules (file:/usr/share/logstash/logstash-core/ lib/jars/jruby-complete-9.2.7.0.jar) to field java.io.FileDescriptor.fd WARNING: Please consider reporting this to the maintainers of com.headius.backport9.modules.Modules WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Thread.exclusive is deprecated, use Thread::Mutex WARNING: Could not find logstash.yml which is typically located in $LS\_HOME/config or /etc/logstash. You can specify the path using --path.settings. Continuing using the defaults Could not find log4j2 configuration at path /usr/share/logstash/config/log4j2.properties. Using default config which logs errors to the console Can anyone help into this? ---
**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\ **Post date:** [January 22, 2020, 2:48pm UTC](https://discuss.elastic.co/t/logstash-java-hotspot-tm-64-bit-server-vm-warning-option-useconcmarksweepgc-was-deprecated-in-version-9-0-and-will-likely-be-removed-in-a-future-release/216060/2 "2020-01-22T14:48:00Z")
You could edit /etc/logstash/jvm.options to configure some GC options that your version of java likes. ---
**Author:** ![Ekta](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ekta/32/55987_2.png) [@Ekta](https://discuss.elastic.co/u/Ekta)\ **Post date:** [January 23, 2020, 12:59am UTC](https://discuss.elastic.co/t/logstash-java-hotspot-tm-64-bit-server-vm-warning-option-useconcmarksweepgc-was-deprecated-in-version-9-0-and-will-likely-be-removed-in-a-future-release/216060/3 "2020-01-23T00:59:25Z")
Hi Badger, This is my jvm.options file can you help anything ? ## JVM configuration # Xms represents the initial size of total heap space # Xmx represents the maximum size of total heap space -Xms1g -Xmx1g ################################################################ ## Expert settings ################################################################ ## ## All settings below this section are considered ## expert settings. Don't tamper with them unless ## you understand what you are doing ## ################################################################ ## GC configuration -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly ## Locale # Set the locale language #-Duser.language=en # Set the locale country #-Duser.country=US # Set the locale variant, if any #-Duser.variant= ## basic # set the I/O temp directory #-Djava.io.tmpdir=$HOME # set to headless, just in case -Djava.awt.headless=true # ensure UTF-8 encoding by default (e.g. filenames) -Dfile.encoding=UTF-8 # use our provided JNA always versus the system one #-Djna.nosys=true # Turn on JRuby invokedynamic -Djruby.compile.invokedynamic=true ---
**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\ **Post date:** [January 23, 2020, 2:29am UTC](https://discuss.elastic.co/t/logstash-java-hotspot-tm-64-bit-server-vm-warning-option-useconcmarksweepgc-was-deprecated-in-version-9-0-and-will-likely-be-removed-in-a-future-release/216060/4 "2020-01-23T02:29:09Z")
> [@Ekta](#): > > -XX:+UseConcMarkSweepGC > -XX:CMSInitiatingOccupancyFraction=75 > -XX:+UseCMSInitiatingOccupancyOnly You could try commenting out these three. The second and third have no effect if the first is not enabled. ---
**Author:** ![Ekta](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ekta/32/55987_2.png) [@Ekta](https://discuss.elastic.co/u/Ekta)\ **Post date:** [January 23, 2020, 11:53am UTC](https://discuss.elastic.co/t/logstash-java-hotspot-tm-64-bit-server-vm-warning-option-useconcmarksweepgc-was-deprecated-in-version-9-0-and-will-likely-be-removed-in-a-future-release/216060/5 "2020-01-23T11:53:50Z")
Hi Badger I comment on all these three variable then I sop the logstash service and again stat but it gives same systemctl status logstash.service รข logstash.service - logstash Loaded: loaded (/etc/systemd/system/logstash.service; enabled; vendor preset: enabled) Active: failed (Result: exit-code) since Wed 2020-01-22 21:34:18 EST; 9h ago Main PID: 25761 (code=exited, status=1/FAILURE) Jan 22 21:34:18 xxxxxxx systemd[1]: logstash.service: Service hold-off time over, scheduling restart. Jan 22 21:34:18 xxxxxxx systemd[1]: logstash.service: Scheduled restart job, restart counter is at 5. Jan 22 21:34:18 xxxxxxx systemd[1]: Stopped logstash. Jan 22 21:34:18 xxxxxxx systemd[1]: logstash.service: Start request repeated too quickly. Jan 22 21:34:18 xxxxxxx systemd[1]: logstash.service: Failed with result 'exit-code'. Jan 22 21:34:18 xxxxxxx systemd[1]: Failed to start logstash. ---
**Author:** ![Ekta](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ekta/32/55987_2.png) [@Ekta](https://discuss.elastic.co/u/Ekta)\ **Post date:** [January 23, 2020, 12:51pm UTC](https://discuss.elastic.co/t/logstash-java-hotspot-tm-64-bit-server-vm-warning-option-useconcmarksweepgc-was-deprecated-in-version-9-0-and-will-likely-be-removed-in-a-future-release/216060/6 "2020-01-23T12:51:53Z")
Process: 25761 ExecStart=/usr/share/logstash/bin/logstash --path.settings /etc/logstash (code=exited, status=1/FAILURE) Is this any error? ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [February 20, 2020, 12:51pm UTC](https://discuss.elastic.co/t/logstash-java-hotspot-tm-64-bit-server-vm-warning-option-useconcmarksweepgc-was-deprecated-in-version-9-0-and-will-likely-be-removed-in-a-future-release/216060/7 "2020-02-20T12:51:56Z")
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