Do you know where is it coming from? Unrecognized VM option 'CMSClassUnloadingEnabled' . What were the poems other than those by Donne in the Melford Hall manuscript? The solution was to remove \n by editing this file, and pressing enter key instead, so that the contents of file /usr/local/etc/sbtopts look the way David mentioned in his response. You can find its location from: Toolbox App -> the locknut icon -> Settings -> Configuration -> Java Virtual Machine options "Edit." How about saving the world? How a top-ranked engineering school reimagined CS curriculum (Ep. Running JRE8u201/202 no longer works for me. Unrecognized option: --version Error: Could not create the Java Virtual Machine. Without further context this cannot be decided. If you add this option the JVM refuses to start. Is there a replacement for the garbage collection JVM args in Java 11. To learn more, see our tips on writing great answers. FAILURES (UNEXPECTED): akka,ssl-config,fs2,scalatestplus-mockito,scala-parallel-collections,pureconfig,mockito-scala,scala-async,ip4s,scalikejdbc,scala-swing,parboiled2,avro4s Error: A fatal exception has occurred. [scala-xml:error] Error: A fatal exception has occurred. Apparently the previously used GC in Java 8 and older was deprecated in Java 9 and removed in Java 10. GitHub logstash Public Projects Closed on Apr 3, 2018 kxy000 commented on Apr 3, 2018 edited Version: logstash-6.2.3 Operating System: ubuntu 16.04 64 Config File (if you have sensitive info, please remove it): simple conf Sample Data: On Windows machines, check next settings : Thanks for contributing an answer to Stack Overflow! While I have no problem installing JDK1.8 it would be nice to have it check the version before continuing if it is not yet supported. After normalizing my Java environment using SDKMAN (suggested to me by my co-workers), sbt points to the expected Java version (1.8) and the original build.sbt once again works as-is. For the most part, the defaults are the same from 8 to 11. exception in phase 'semantic analysis' in source unit '_BuildScript_' Unsupported class file major version 64 BLOCKING DOWNSTREAM: akka (21), ssl-config (17), fs2 (16), scalatestplus-mockito (7), scala-parallel-collections (6), pureconfig (4), mockito-scala (3), scala-async (1), ip4s (1) G1garbage collector, G1,,metaSpace,metaSpaceJVM,(native heap),(JDK7),,, 128k/m/g,ms(memory size) ,, ,InitialHeapSizeMaxHeapSize,XmsXmx, -XX:+HeapDumpOnOutOfMemoryError -XX:+HeapDumpPath, ,jvmdump,-XX:+HeapDumpPath,java_pid.hprof, ,,,JVM,JDK8metaSpacedirect memoryJVM, JVMnative code,,,JIT,,, -XX:InitialCodeCacheSize -XX:ReservedCodeCacheSize, () Well occasionally send you account related emails. Remove or comment line: -XX:+UseConcMarkSweepGC Java HotSpot (TM) Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release. jaropencv-2413.jarclassMANIFEST.MF. Program will exit. Additionally, some APIs within jruby have changed, so we are updating some development dependencies to ensure that tests pass. Unrecognized VM option 'UseConcMarkSweepGC' Error: Could not create the Java Virtual Machine. java 11.0.1 2018-10-16 LTS Sign up for a free GitHub account to open an issue and contact its maintainers and the community. FAILED: 13 survivor83MB,survivor,2,GC2. First, Download jdk7, and then upload it to linux through ftp: Step 2: the unzipped java-se-7u75-ri is jdk7. . The text was updated successfully, but these errors were encountered: I could try to figure out where this is coming from, but another option would be to -XX:+IgnoreUnrecognizedVMOptions it, I solved the CMSClassUnloadingEnabled problem with 71bcb48, 153 green at https://scala-ci.typesafe.com/view/scala-2.12.x/job/scala-2.12.x-jdk15-integrate-community-build/1135/ On August 17th, 2020 CircleCI updated the Android convenience image from Java JDK 8 to JDK 11. If you add this option the JVM refuses to start. If the error still persists, download and install the latest version of JDK from, Also, Try removing the following line from your argument. Remove or comment line: -XX:+UseConcMarkSweepGC Is Java "pass-by-reference" or "pass-by-value"? Uninstall Java, and install the previous version. It's known that the following options are unrecognized in Java 11: In Java 11, these GCLog options are now handled by Xlog, there is a conversion table below: More information about this change can be found in the following Stackoverflow article: Either add the following JVM option to the setenv.sh or setenv.bat file (option 1), or convert the GC options to the new Xlog format (option 2). Maven settings for Java 8 may have this setting which does not work on Java 17, as "CMSClassUnloadingEnabled" is disabled : Asking for help, clarification, or responding to other answers. This article only applies to Atlassian products on the server and data center platforms. jar There is an April 2019 update that affects corporate customers(according to the installer splash screen), and I have had to use the solution provided by @Leakkim84 . ---> No broken ports found. If on Ubuntu, you should know that Java 8 is the only version that is supported. I'm guessing that when I installed Metals, Java 15 somehow ended up on sbt's path. cpu,cpu100s,99s.99%. Run with this flag on Java 8 and use the printed options when running on Java 11. What this essentially does is it sets the global maximum heap memory size for Java. privacy statement. His contributions to the tech field have been widely recognized and respected by his peers, and he is highly regarded for his ability to explain complex technical concepts in a clear and concise manner. Have a question about this project? Badger February 20, 2021, 9:48pm 2 Java 15 is not supported. What are the differences between a HashMap and a Hashtable in Java? How do I convert a String to an int in Java? Unrecognized VM option 'UseParNewGC' "vm'printgcdatestamps'"java10gcvmkafka java<9java "" kafka\u gc\u log\u opts="-xloggc:$log\u dir/$gc\u log\u file\u name"-verbose:gc -xx+printgcdestails"gc Zookeeper! You signed in with another tab or window. Open it and have a look: Step 3: configure jdk environment variables. gc,,,,gc: JVM1:3,32m512m, :survivor(survivor)75MB,15(),15, 119MB,19MB You can download Restoro by clicking the Download button below. After changing the Java version to 17 I can't build the Gradle project. On the first point, let's start experimenting. 1Error: Could not find or load main class 256M 2Unrecognized VM option CMSClassUnloadingFnabled Did you mean (+/-)CMSClassUnloadingEnabled? - Added a limitation to install verion 1.8.0 of java. Sign in This works in most cases, where the issue is originated due to a system corruption. This option was removed in Java 14 and later, and . Sign up for a free GitHub account to open an issue and contact its maintainers and the community. You signed in with another tab or window. This is resolve by running below command: I have tried with Java 11, 13 and 17. What should I follow, if two altimeters show different altitudes? No worries, I would also think it's connected, however I really have no idea why it would come up at the same time.. Therefore, using the third method. This particular issue is reported to occur with Minecraft and several other applications that are built around Java. -XX,Unrecognized VM option,.Error: VM option 'Xxxx' is experience and must be enabled via -XX:+UnlockXXXVMOptions.JVM,,,,, jvm,debug buildjvm,stable build, ()hotspot.log,UnockDiagnostic, native codehotspot.log yah I just hit this issue too, hope we get a perm solution soon. \n/usr/local/etc/sbtopts David scala - VM 'CMSClassUnloadingEnabledn-J-Xmx2Gn'Stack Overflow https://stackoverflow.com/questions/35434870/ python - python-3.x - java - scalaIntelliJ IDEA scala - Scala Mac m1SeataUnrecognized VM option CMSParallelRemarkEnabled java, fatal exception occurred program will exit, Scala compile server Error: Could not create the Java Virtual Machine.Error: A fatal exception, -XX:+PrintCompilation JIT Can I use my Coinbase address to receive bitcoin? GCGC,GC,GC,cpu,gc. First I had uninstalled java10 and then tried installing java8 so I am getting the below mentioned error. Remove or comment line: -XX:+UseParNewGC Error: A fatal exception has occurred. There are different reasons behind this error and some of them include if you have some particular errors with your code. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. major gc minor gc,,major gc. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. You can edit the jvm.options file and try it anyway, or unset JAVA_HOME to use the bundled JDK. mangles something like. it failed for on JDK 11 but it worked for me on JDK 1.8 thanks. I am running ubuntu 18.04. Thank you very much. To do this, we specify the JVM -Xmx option, which sets the maximum heap size. 3 Answers Sorted by: 5 You can switch to java-11. Did you mean '(+/-)CMSClassUnloadingEnabled'? Find centralized, trusted content and collaborate around the technologies you use most. Press Windows + R to open the Run prompt and type in cmd. Add this line instead: -XX:+UseG1GC However, since Gradle 7.3 is compatible with Java 17 it must be an error reported from some third party plugin or from your code. . Extracting arguments from a list of function calls. Scala SBT fails - error while loading CharSequence (Scala 2.12.1, SBT 0.13.13), Scala 3 Method Too large when using Mirror, QGIS automatic fill of the attribute table by expression, Embedded hyperlinks in a thesis or research paper, Counting and finding real solutions of an equation, Generating points along line with specifying the origin of point generation in QGIS. Error: Could not create the Java Virtual Machine. I've successfully loaded a Scala project into VS Code with Metals, and can build everything fine. Now change the default value to a more reasonable figure depending upon the RAM installed on your computer and add the version number to it as well. The only fix for now is use the openjdk-8-jre package. Program will exit. $ sbt [info] welcome to sbt 1.3.13 (N/A Java 15.0.1) I'm guessing that when I installed Metals, Java 15 somehow ended up on sbt's path. System.gc()CMSGCfull gc. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Unrecognized VM option 'CMSClassUnloadingEnabled' when running ./sbt.sh. Heres a quick guide through the whole thing: Note: If you installed Java in a custom location, navigate the custom location instead. Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? By clicking Sign up for GitHub, you agree to our terms of service and Scala newbie so I just glossed over the details of the output. The error I get is as follows: How to Create and Run a Virtual Machine With Hyper-V, Create Your First Virtual Machine in Hyper-V 2019, Create your First Virtual Machine in Oracle VM VirtualBox, How to Create a Windows 11 Virtual Machine using Hyper-V. Close the previously opened windows and restart your machine to enforce the changes. I have installed scala, sbt on Mac. Thanks for opening the issue. Several users struggling to resolve the same issue have managed to get the issue resolved after forcing the main Java executable (java.exe) to open with administrative privileges. Since the JVM allows us to configure several parameters, we need to specify the one that corresponds to the heap size. Using provided startup.options file: /etc/logstash/startup.options Unrecognized VM option 'UseParNewGC' Error: Could not create the Java Virtual Machine. Making statements based on opinion; back them up with references or personal experience. Running into that jruby issue above. ClassNotFoundException anonfun when deploy scala code to Spark, scala and akka on linux: compiling and executing. Sorry . -> Scanning binaries for linking errors ---> No broken files found. -XX:CMSInitiatingOccupancyFractionGC,JVM. Error: Could not create the Java Virtual Machine. See known issue: Made two changes to get around known logstash issues, Config File (if you have sensitive info, please remove it): simple conf, the version of jruby we are pinned to doesn't work with JDK11, so we need to update that. D:\logstash\logstash-6.5.4\bin>logstash.bat -f mypipeline.conf gc,gc,stop the world.. To learn more, see our tips on writing great answers. density matrix, English version of Russian proverb "The hedgehogs got pricked, cried, but continued to eat the cactus". Error: Could not create the Java Virtual Machine. If it does give an error, reinstall the JDK completely. The option, `Unrecognized VM option 'CMSClassUnloadingEnabled'` after switching to java 17. I think the problem can be fixed for Java versions 9+ by changing 2 lines of code in the jvm.options file in the config folder. I think the problem can be fixed for Java versions 9+ by changing 2 lines of code in the jvm.options file in the config folder. Yeah you are right that's because of AspectJ, A typical case of esoteric command line options. Already on GitHub? Kevin Arrows is a highly experienced and knowledgeable technology specialist with over a decade of industry experience. privacy statement. Have a question about this project? Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Program will exit. Remove the virtual machine startup parameter MaxPermSize. bytecode,(10), bytecode,,.JIT(JIT(hotspot),,JIThotspot vm,JITjava), hotspot, ,,, JVM,,, java -X(), -Xint,-Xmixed-Xcomp, JVM. What this essentially does is it sets the global maximum heap memory size for Java. gcgc,,,ergonomics (,ergonomicsgc).System.gc()GC,GCtypeFull GC (System), -XX:+PrintGCTimeStamps and -XX:+PrintGCDateStamps, -Xloggc:,gc,-XX:+PrintGC and -XX:+PrintGCTimeStamps. I am just trying to run the simple sample project and I am facing the following error. java -jar xxx.jar Some users reported that they were able to resolve the issue after applying this fix on both the main java executable and the executable of the application that is showing the error message. Java(TM) SE Runtime Environment 18.3 (build 10.0.1+10) How do I read / convert an InputStream into a String in Java? Find the line contains '-J-XX:+CMSClassUnloadingEnabled\n-J-Xmx2G\n' and replace the two \n as real new line. I can also run tests from within the VS Code UI successfully. Method 1: Adding the _JAVA_OPTIONS to System Variables Most affected users have managed to get the issue resolved by creating a System Variable for Java called _JAVA_OPTIONS and setting it's value to Xmx512M. I tried to follow the top comment in this other question, that says to go to the folder /usr/local/etc/sbtoptsand do some changes, but my folder /usr/local/is empty. ,gc. sbtScala 1Error: Could not find or load main class 256M 2Unrecognized VM option 'CMSClassUnloadingFnabled' Did you mean '(+/-)CMSClassUnloadingEnabled'? Have a question about this project? Program will exit. By clicking Sign up for GitHub, you agree to our terms of service and Does a password policy with a restriction of repeated characters increase security? The project runs on sbt 1.3.13 and Scala 2.11.12. Well occasionally send you account related emails. It seems the file /usr/local/etc/sbtopts contained both options in same line, separated by \n, i.e. Error: A fatal exception has occurred. Sign in How can I resolve this? For Example: Also, you can place the following line at the end and check if that works. -XX:InitialTenuringThreshold, -XX:MaxTenuringThreshold, survivorsurvivor,-XX:TargetSurvivorRatio=90survivor90%. Error: A fatal exception has occurred. It shouldn't also come from Bloop really. Why are players required to record the moves in World Championship Classical games? Unrecognized VM option 'UseGCLogFileRotation' Error: Could not create the Java Virtual Machine. oh, for the record, on 2.12.x the status (as of run 1170) is: SUCCEEDED: 157 and BLOCKING DOWNSTREAM: akka (25), fs2 (9), twitter-util (4), sbt-util (3), scala-async (2), scala-logging (2) and I think that's good enough. Using an Ohm Meter to test for bonding of a subpanel. Why are players required to record the moves in World Championship Classical games? - Thomas Klger Dec 3, 2021 at 14:14 4 Sign in D:\logstash\logstash-6.5.4\bin>logstash.bat This will resolve any error message that occurs because the started Java applications maximum heap memory size is larger than the one set as the System Variable. Can't Run Minecraft Server "Unrecognized VM option 'PermSize=256m'" So, I'm trying to run this server, and I've been racking my brain trying to figure this out. with java10 I get these error :Unrecognized VM option 'UseParNewGC'. Error: A fatal exception has occurred. Also, point to JVM.dll using the following line. Several users encountering the same issue have reported that the issue was resolved entirely after they performed the steps below. -XX:+CITimeJVM We investigated this particular issue by looking at various user reports and the troubleshooting strategies that they used to resolve the same error message. to your account, 1.download logstash-6.2.3.zip Before trying Metals, I was able to load this project in IntelliJ and simultaneously run tests via the sbt console in a separate terminal session without issue. For that: Type appwiz.cpl into the Run dialog and press Enter, Checking the Programs and features screen. Run sudo nano /usr/share/elasticsearch/bin/elasticsearch.in.sh and comment out that VM arg, #ES_GC_OPTS="$ES_GC_OPTS -XX:+UseParNewGC". You signed in with another tab or window. @Leakkim84 That fixed the same issue when using Java 11. Interesting. @gvolpe thanks for letting me know. Program will exit. Error: A fatal exception has occurred. ,,,,gc,,. When I try to run sbt it gives an error Unrecognized VM option 'CMSClassUnloadingEnabledn-J-Xmx2Gn'. Asking for help, clarification, or responding to other answers. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. System variables GC,gc.CMSGC,GC,. All reactions. Parabolic, suborbital and ballistic trajectories all follow elliptic paths. Only the first two lines were present in my config, but removing UseParNewGCRemove & UseConcMarkSweepGCAdd resolved this issue for me. When to use LinkedList over ArrayList in Java? If running on the HotSpot VM, setting the command line option -XX:+PrintCommandLineFlags will dump the values of options set by the VM, particularly the defaults set by the GC. 2.1. e.g. Give feedback. Already on GitHub? Development is ongoing in the public jruby_9_2 branch, and I expect to have builds green there sometime next week. This only occurs in Jenkins, not in IntelliJ . Below you have a collection of methods that other users in a similar situation have used to get the issue resolved. Otherwise, what I do in an independent terminal session shouldn't have any relationship to what I'm doing in VS Code. Is it safe to publish research papers in cooperation with Russian academics? I've also been running into the unsupported Java version "10", defaulting to 1.7 issue. Looking for job perks? I think there is an issue with JVM but could not find any help for this error. Well occasionally send you account related emails. When using Java 11, some JVM parameters previously applied to Tomcat are now unrecognized. Error: A fatal exception has occurred. starting org.apache. Unrecognized VM option '+UseCompressedOops' Could not create the Java virtual machine. For more context, to fix it you should open the sbt config file, mine(Max OSX) is at /usr/local/etc/sbtopts. I'm not well-versed in Java, as I've only taken a couple of coding classes (not java, a different language), and have a basic understanding. Program will exit Asked 4 years ago Modified 2 years, 11 months ago Viewed 26k times 4 My system is ubuntu 16.04. Unrecognized VM option 'MaxPermSize=512m' BUG! to your account, #1225, now closed, was about getting the core of the build green on JDK 15. but there are still a lot of unnecessarily failing repos. Java(TM) SE Runtime Environment 18.9 (build 11.0.1+13-LTS) Maven settings for Java 8 may have this setting which does not work on Java 17, as "CMSClassUnloadingEnabled" is disabled : Share Improve this answer Follow answered Nov 22, 2022 at 11:11 dobrivoje 838 1 9 18 Add a comment the actual contents of the file were -J-XX:+CMSClassUnloadingEnabled\n-J-Xmx2G\n. In some cases, the error is triggered because Java might not be installed properly or its installation might have been corrupted over time. If you start Intellij via terminal (and java 11) it shows you that message: By default, this option is disabled and all pages are committed as JVM heap space fills. Error: Could not create the Java Virtual Machine. Error: Could not create the Java Virtual Machine. Making statements based on opinion; back them up with references or personal experience. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Error: A fatal exception has occurred. Jbuilder. Unrecognized VM option 'CMSIncrementalMode' Error: Could not create the Java Virtual Machine. Sorry, I feel silly. 2.unzip Can someone check if it works for someone else but me? Program will exit. Kevin has written extensively on a wide range of tech-related topics, showcasing his expertise and knowledge in areas such as software development, cybersecurity, and cloud computing. Was Aristarchus the first to propose heliocentrism? OpenJDK 64-Bit Server VM 18.9 (build 11.0.1+13, mixed mode), D:\logstash\logstash-6.5.4\bin>echo %JAVA_HOME% JDK1.5JVMergonomics,,,ergonomics.,. How to combine several legends in one frame? BLOCKED, DID NOT RUN: 45 JVM. Jenkins+Java 17+gradle 7.4.1: Unrecognized VM option 'CMSClassUnloadingEnabled' Help/Discuss. The "Unrecognized VM option 'CMSClassUnloadingEnabled'" arises because in Java 14 the CMS garbage collector was removed and the options specific to that garbage collector (like "CMSClassUnloadingEnabled") are illegal for Java 14 and later. . Program will exit. After that, there will be some java deprecations to chase down, such as the garbage collector settings described above. Understanding the probability of measurement w.r.t. For Example: Also, try removing the 256m value from the-launcher.XXMaxPermSize line. More error info: I'll get it in my next round of work on this. By clicking Sign up for GitHub, you agree to our terms of service and Apparently the previously used GC in Java 8 and older was deprecated in Java 9 and removed in Java 10. Also, it should happen if you followed the instructions from: Unrecognized VM option 'CMSClassUnloadingEnabledn-J-Xmx2Gn', sourabhbajaj.com/mac-setup/Scala/README.html. The "Unrecognized VM option 'CMSClassUnloadingEnabled'" arises because in Java 14 the CMS garbage collector was removed and the options specific to that garbage collector (like "CMSClassUnloadingEnabled") are illegal for Java 14 and later. Worked for me err well, spoke to soon. 43M,GC3,3,3. I faced the same issue after I ran the command I ran this command: echo '-J-XX:+CMSClassUnloadingEnabled\n-J-Xmx2G\n' >> /usr/local/etc/sbtopts. Connect and share knowledge within a single location that is structured and easy to search. It seems that the problem is with sbt? 176 green at https://scala-ci.typesafe.com/job/scala-2.13.x-jdk15-integrate-community-build/1251/, PR updating JDK compat page: scala/docs.scala-lang#1793, followup ticket about getting even more repos green: #1240. -XX, Unrecognized VM option ,. Error: VM option 'Xxxx' is experience and must be enabled via -XX:+UnlockXXXVMOptions. Getting this error with OpenJDK 11, is OpenJDK supported? We will highlight some below. It seems it's failing to start the forked test process due to CMSClassUnloadingEnabled, but Metals does not add that option. Got this error messages when trying to run elasticsearch. -XX:+PrintCommandLineFlags JVMJVM, Find the line similar to -Xmx256m (It might be -Xmx1024m or -Xmx 512m). The .vmoptions file is created and located in the config directory. I've been chipping away at this. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Short story about swapping bodies as a job; the person who hires the main character misuses his body. There is still a "main" build in the sense of "JDK version I typically test on", but it's no longer consistent across Scala versions which one that is: 2.11.x and 2.12.x remains 8, but on 2.13.x I do 11 first, and check 8 later.). There might be a couple of issues with its configuration that need to be addressed therefore, we have divided it into separate issues. Try to remove the following lines from your file. If you start Intellij via terminal (and java 11) it shows you that message: OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release. The new suggested default GC is the G1 collector, which will be used after the aforementioned changes. That's in our build.sbt. rev2023.4.21.43403. java minecraft Share there's no real rush, but we should gradually address them. How do I generate random integers within a specific range in Java? TOTAL: 234, Fs2 has updated to the latest sbt-osgi a few days ago: typelevel/fs2@8f899e6. ES got started properly. Cause In Java 11 some JVM flags including those used in Java 8 for Garbage Collection Logging have been removed. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. worked after too much struggle! Gradle fails when trying to start build in Jenkins project. Type in the following command and check if that gives an error. 1edensurvivor,survivor,edenminor gc,edensurvivorsurvivor.minor gc. . Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? XX:+ExplicitGCInvokesConcurrentAndUnloadsClasses I think the problem can be fixed for Java versions 9+ by changing 2 lines of code in the jvm.options file in the config folder.Remove or comment line:-XX:+UseParNewGCRemove or comment line:-XX:+UseConcMarkSweepGCAdd this line instead:-XX:+UseG1GCApparently the previously used GC in Java 8 and older was deprecated in Java 9 and removed in Java 10.The new suggested default GC is the G1 collector, which will be used after the aforementioned changes.Can someone check if it works for someone else but me? At this point, there is a tangle of dependencies that need to get resolved, and I am in the process of chasing that down. The text was updated successfully, but these errors were encountered: I plan to focus on the 2.13.x build and worry about 2.12.x later. In this case, the PermGen space has been removed, and so a number of command line options used are not supported anymore: Please use CMSClassUnloadingEnabled in place of CMSPermGenSweepingEnabled in the future Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=2048m; support was removed in 8.0 that's enough green to give good assurance that Scala and sbt are working, and addressing the remaining failures would be too . I meet a same problem too; Any solutions? -XX:+ExplicitGCInvokesConcurrent What risks are you taking when "signing in with Google"? Also, try closing all the power-hungry applications before starting Java to make sure proper resources are available. If the issue is with your Computer or a Laptop you should try using Restoro which can scan the repositories and replace corrupt and missing files. .13.18 [scala-xml:error] Unrecognized VM option 'CMSClassUnloadingEnabled' [scala-xml:error] Error: Could not create the Java Virtual Machine. For option 2, be sure to remove the unrecognized options for Java 11 from the list above. What is Wario dropping at the end of Super Mario Land 2 and why? Unable to install system startup script for Logstash. As an example, let's set the heap size to 2Gb of RAM: $ export SBT_OPTS="-XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=2G -Xmx2G -Xms1G". At the next startup, open the application that was previously showing you the, Open File Explorer and navigate to the location of your java installation. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. How to force Scala to use a different library version? You can also try removing the eclipse.ini file if the issue still persists as that has reportedly fixed the issue for some but remember to back it up first just in case you need it. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Some users are encountering theCould Not Create The Java Virtual Machine error when trying to launch an application that is using Java. First, delete the primary Java installation and later you should also remove all other Java installations such as updates and other versions. Fix: Could Not Create the Java Virtual Machine. -XX:+UseParallelGC JDK1.6,JDK1.7-XX:+UseParallelOldGC.