Set JVM option for avoid error Illegal reflective access by org.springframework.cglib.core.ReflectUtils$1
I use Spring Boot 2.0.0.RC1, JDK 9.0.4, IntelliJ IDEA 2017.3.4 Ultimate, Gradle 4.5.1 . Spring Boot RC1 version (strictly, Spring Framework 5.0.3.RELEASE) has a known issue: https://jira.spring.io/browse/SPR-15859 , I also see it at here https://github.com/dsyer/spring-boot-java-9#create-a-spring-boot-application
Spring developer suggest that
You can switch this off by adding -illegal-access=deny to the command line (the default in Java 9 is permit).
I choose menu Help \ Edit Custom VM Options..., then add new options at the last line of file.
Then I catch error
> Unrecognized option: -illegal-access=deny
>
> Error: Could not create the Java Virtual Machine.
>
> Error: A fatal exception has occurred. Program will exit.
Full console log
/Library/Java/JavaVirtualMachines/jdk-9.0.4.jdk/Contents/Home/bin/java -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=50382 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=127.0.0.1 -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-javaagent:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar=50383:/Applications/IntelliJ IDEA.app/Contents/bin" -Dfile.encoding=UTF-8 -classpath /Users/donhuvy/Documents/source_code/gitlab.com/Donhu/accounting_vy/source_code/out/production/classes:/Users/donhuvy/Documents/source_code/gitlab.com/Donhu/accounting_vy/source_code/out/production/resources:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-starter-actuator/2.0.0.RC1/spring-boot-starter-actuator-2.0.0.RC1.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-starter-data-jpa/2.0.0.RC1/spring-boot-starter-data-jpa-2.0.0.RC1.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-jersey/2.0.0.RC1/84315afdba22f18e8473dabe39507c2f7329bbf/spring-boot-starter-jersey-2.0.0.RC1.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-mail/2.0.0.RC1/5cd08bbbfaa424ab2e250e51dd9d13bd38a1d42d/spring-boot-starter-mail-2.0.0.RC1.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-starter-thymeleaf/2.0.0.RC1/spring-boot-starter-thymeleaf-2.0.0.RC1.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.0.0.RC1/spring-boot-starter-web-2.0.0.RC1.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.hibernate/hibernate-entitymanager/5.2.13.Final/cdef4ec0e1c9739942fbd16bb6b355d5fb804fba/hibernate-entitymanager-5.2.13.Final.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.hibernate/hibernate-core/5.2.13.Final/830492a74b3013ef75135ea4120b2ac23fa7ad9f/hibernate-core-5.2.13.Final.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/javax.xml.bind/jaxb-api/2.3.0/99f802e0cb3e953ba3d6e698795c4aeb98d37c48/jaxb-api-2.3.0.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/com.sun.xml.bind/jaxb-core/2.3.0/d044c784e41d026778693fb44a8026c1fd9a7506/jaxb-core-2.3.0.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/com.sun.xml.bind/jaxb-impl/2.3.0/3a3c6a62719d967175b76b63925f1fb495f11437/jaxb-impl-2.3.0.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.hibernate.javax.persistence/hibernate-jpa-2.1-api/1.0.2.Final/52afb5762c704a6b586e27742470c08f91877fc1/hibernate-jpa-2.1-api-1.0.2.Final.jar:/Users/donhuvy/.m2/repository/org/springframework/data/spring-data-jpa/2.0.3.RELEASE/spring-data-jpa-2.0.3.RELEASE.jar:/Users/donhuvy/.m2/repository/org/springframework/spring-orm/5.0.3.RELEASE/spring-orm-5.0.3.RELEASE.jar:/Users/donhuvy/.m2/repository/com/oracle/ojdbc7/12.1.0.1/ojdbc7-12.1.0.1.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.0.0.RC1/spring-boot-starter-aop-2.0.0.RC1.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-starter-jdbc/2.0.0.RC1/spring-boot-starter-jdbc-2.0.0.RC1.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.0.0.RC1/spring-boot-starter-json-2.0.0.RC1.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-validation/2.0.0.RC1/63ff3ff19491dc47d0b9b47e7770ddd1dbeeacb0/spring-boot-starter-validation-2.0.0.RC1.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-devtools/2.0.0.RC1/spring-boot-devtools-2.0.0.RC1.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-starter/2.0.0.RC1/spring-boot-starter-2.0.0.RC1.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-actuator-autoconfigure/2.0.0.RC1/spring-boot-actuator-autoconfigure-2.0.0.RC1.jar:/Users/donhuvy/.m2/repository/io/micrometer/micrometer-core/1.0.0-rc.8/micrometer-core-1.0.0-rc.8.jar:/Users/donhuvy/.m2/repository/javax/transaction/javax.transaction-api/1.2/javax.transaction-api-1.2.jar:/Users/donhuvy/.m2/repository/org/springframework/spring-aspects/5.0.3.RELEASE/spring-aspects-5.0.3.RELEASE.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.jersey.ext/jersey-spring4/2.26/e5f2654b343c31078d9b5c8a4f43b838b320099f/jersey-spring4-2.26.jar:/Users/donhuvy/.m2/repository/org/springframework/spring-webmvc/5.0.3.RELEASE/spring-webmvc-5.0.3.RELEASE.jar:/Users/donhuvy/.m2/repository/org/springframework/spring-web/5.0.3.RELEASE/spring-web-5.0.3.RELEASE.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.jersey.containers/jersey-container-servlet/2.26/8723d05d1fe2fdda54d0921836ea5daa5abe5f00/jersey-container-servlet-2.26.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.jersey.containers/jersey-container-servlet-core/2.26/66a0d51facf1e49e2353ff0d2a2d4a9e2fa3f836/jersey-container-servlet-core-2.26.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.jersey.ext/jersey-bean-validation/2.26/33747b4e8a07c53550ee1cbe7fc4321600842c5a/jersey-bean-validation-2.26.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.jersey.core/jersey-server/2.26/aa8eff3d591641dadd7c9880bb73b59bf46d4c82/jersey-server-2.26.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.jersey.media/jersey-media-json-jackson/2.26/ce3109479991527107921ca5e7943a6e7e20db80/jersey-media-json-jackson-2.26.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.springframework/spring-context-support/5.0.3.RELEASE/853800b9fe479931f8ec5aaf7c19e285d5de1402/spring-context-support-5.0.3.RELEASE.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.0.0.RC1/spring-boot-autoconfigure-2.0.0.RC1.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-actuator/2.0.0.RC1/spring-boot-actuator-2.0.0.RC1.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot/2.0.0.RC1/spring-boot-2.0.0.RC1.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/spring-bridge/2.5.0-b42/7cedc63a9079e87b5a2685c054e61cfce8c44837/spring-bridge-2.5.0-b42.jar:/Users/donhuvy/.m2/repository/org/springframework/spring-context/5.0.3.RELEASE/spring-context-5.0.3.RELEASE.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/com.sun.mail/javax.mail/1.6.0/a055c648842c4954c1f7db7254f45d9ad565e278/javax.mail-1.6.0.jar:/Users/donhuvy/.m2/repository/org/thymeleaf/thymeleaf-spring5/3.0.9.RELEASE/thymeleaf-spring5-3.0.9.RELEASE.jar:/Users/donhuvy/.m2/repository/org/thymeleaf/extras/thymeleaf-extras-java8time/3.0.1.RELEASE/thymeleaf-extras-java8time-3.0.1.RELEASE.jar:/Users/donhuvy/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.7.Final/hibernate-validator-6.0.7.Final.jar:/Users/donhuvy/.m2/repository/org/hibernate/common/hibernate-commons-annotations/5.0.1.Final/hibernate-commons-annotations-5.0.1.Final.jar:/Users/donhuvy/.m2/repository/org/jboss/logging/jboss-logging/3.3.1.Final/jboss-logging-3.3.1.Final.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.jersey.inject/jersey-hk2/2.26/df27f7d7577acf4b532684448021632098924dab/jersey-hk2-2.26.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/hk2-2.5.0-b42.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/config-types/2.5.0-b42/3e927a0624955d10bec3eb5424a1e6ca3d5f92ae/config-types-2.5.0-b42.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2-config/2.5.0-b42/de522871d987e2bf502753c807461f9ee805f6bd/hk2-config-2.5.0-b42.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2-core/2.5.0-b42/7a4954663f1b65b1938fd275b34bbf1e23965381/hk2-core-2.5.0-b42.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2-runlevel/2.5.0-b42/6502d8997ac961f0d2d16d90e838d25626c1a37b/hk2-runlevel-2.5.0-b42.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2-locator/2.5.0-b42/9d6edc0cb226401a8316e67d81bfc37cb626ef91/hk2-locator-2.5.0-b42.jar:/Users/donhuvy/.m2/repository/org/javassist/javassist/3.22.0-CR2/javassist-3.22.0-CR2.jar:/Users/donhuvy/.m2/repository/antlr/antlr/2.7.7/antlr-2.7.7.jar:/Users/donhuvy/.m2/repository/org/jboss/spec/javax/transaction/jboss-transaction-api_1.2_spec/1.0.1.Final/jboss-transaction-api_1.2_spec-1.0.1.Final.jar:/Users/donhuvy/.m2/repository/org/jboss/jandex/2.0.3.Final/jandex-2.0.3.Final.jar:/Users/donhuvy/.m2/repository/com/fasterxml/classmate/1.3.4/classmate-1.3.4.jar:/Users/donhuvy/.m2/repository/dom4j/dom4j/1.6.1/dom4j-1.6.1.jar:/Users/donhuvy/.m2/repository/net/bytebuddy/byte-buddy/1.7.9/byte-buddy-1.7.9.jar:/Users/donhuvy/.m2/repository/org/springframework/data/spring-data-commons/2.0.3.RELEASE/spring-data-commons-2.0.3.RELEASE.jar:/Users/donhuvy/.m2/repository/org/springframework/spring-aop/5.0.3.RELEASE/spring-aop-5.0.3.RELEASE.jar:/Users/donhuvy/.m2/repository/org/springframework/spring-jdbc/5.0.3.RELEASE/spring-jdbc-5.0.3.RELEASE.jar:/Users/donhuvy/.m2/repository/org/springframework/spring-tx/5.0.3.RELEASE/spring-tx-5.0.3.RELEASE.jar:/Users/donhuvy/.m2/repository/org/springframework/spring-beans/5.0.3.RELEASE/spring-beans-5.0.3.RELEASE.jar:/Users/donhuvy/.m2/repository/org/springframework/spring-expression/5.0.3.RELEASE/spring-expression-5.0.3.RELEASE.jar:/Users/donhuvy/.m2/repository/org/springframework/spring-core/5.0.3.RELEASE/spring-core-5.0.3.RELEASE.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.aspectj/aspectjrt/1.8.13/bfc5a877fd80648e5467239d370735654aaf7a92/aspectjrt-1.8.13.jar:/Users/donhuvy/.m2/repository/com/zaxxer/HikariCP/2.7.6/HikariCP-2.7.6.jar:/Users/donhuvy/.m2/repository/org/thymeleaf/thymeleaf/3.0.9.RELEASE/thymeleaf-3.0.9.RELEASE.jar:/Users/donhuvy/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.0.0.RC1/spring-boot-starter-logging-2.0.0.RC1.jar:/Users/donhuvy/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/donhuvy/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.10.0/log4j-to-slf4j-2.10.0.jar:/Users/donhuvy/.m2/repository/org/slf4j/jul-to-slf4j/1.7.25/jul-to-slf4j-1.7.25.jar:/Users/donhuvy/.m2/repository/org/slf4j/slf4j-api/1.7.25/slf4j-api-1.7.25.jar:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.jersey.core/jersey-client/2.26/125b8d1040d121a5dc4ce6858e21a6160bed7afa/jersey-client-2.26.jar:/Users/donhuvy/.gradle/cache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com.donhuvy.AccountingVyApplication
The Class-Path manifest attribute in /Users/donhuvy/.gradle/caches/modules-2/files-2.1/com.sun.xml.bind/jaxb-core/2.3.0/d044c784e41d026778693fb44a8026c1fd9a7506/jaxb-core-2.3.0.jar referenced one or more files that do not exist: file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/com.sun.xml.bind/jaxb-core/2.3.0/d044c784e41d026778693fb44a8026c1fd9a7506/jaxb-api.jar
The Class-Path manifest attribute in /Users/donhuvy/.gradle/caches/modules-2/files-2.1/com.sun.xml.bind/jaxb-impl/2.3.0/3a3c6a62719d967175b76b63925f1fb495f11437/jaxb-impl-2.3.0.jar referenced one or more files that do not exist: file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/com.sun.xml.bind/jaxb-impl/2.3.0/3a3c6a62719d967175b76b63925f1fb495f11437/jaxb-core.jar
The Class-Path manifest attribute in /Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/hk2-2.5.0-b42.jar referenced one or more files that do not exist: file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/hk2-utils.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/javax.annotation-api.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/javax.inject.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/hk2-api.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/aopalliance-repackaged.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/config-types.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/hk2-core.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/hk2-config.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/tiger-types.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/hibernate-validator.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/validation-api.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/jboss-logging.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/classmate.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/hk2-locator.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/javax.inject.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/javassist.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/hk2-runlevel.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/class-model.jar,file:/Users/donhuvy/.gradle/caches/modules-2/files-2.1/org.glassfish.hk2/hk2/2.5.0-b42/adc396d57e9cada50f57d32cdabaf31a20a758d/asm-all-repackaged.jar
08:34:57.775 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Included patterns for restart : []
08:34:57.778 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Excluded patterns for restart : [/spring-boot-starter-[\w-]+/, /spring-boot/target/classes/, /spring-boot-starter/target/classes/, /spring-boot-devtools/target/classes/, /spring-boot-actuator/target/classes/, /spring-boot-autoconfigure/target/classes/]
08:34:57.778 [main] DEBUG org.springframework.boot.devtools.restart.ChangeableUrls - Matching URLs for reloading : [file:/Users/donhuvy/Documents/source_code/gitlab.com/Donhu/accounting_vy/source_code/out/production/classes/, file:/Users/donhuvy/Documents/source_code/gitlab.com/Donhu/accounting_vy/source_code/out/production/resources/]
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.springframework.cglib.core.ReflectUtils$1 (file:/Users/donhuvy/.m2/repository/org/springframework/spring-core/5.0.3.RELEASE/spring-core-5.0.3.RELEASE.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)
WARNING: Please consider reporting this to the maintainers of org.springframework.cglib.core.ReflectUtils$1
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
How to add option -illegal-access=deny to IntelliJ IDEA correctly?
update: Solution
Answer
TL;DR:
To run your code you will need to add the option
--add-opens java.base/java.lang=ALL-UNNAMED
to the JVM running your code as I noted here. When running your application in IntelliJ, the application VM options are set in the Run/Debug Configuration VM options tab, something like:
--add-opens java.base/java.lang=ALL-UNNAMED
-server
I don't use IntelliJ so this isn't tested.
I think you're combining your question with a partial and incorrect answer. I think you mean to ask the following question:
When I run my JDK 9.0.4 Spring Boot 2.0.0.RC1 application in IntelliJ IDEA 2017.3.4 Ultimate on my Mac using Gradle 4.5.1 as my build tool, my application prints the following in the console:
WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.springframework.cglib.core.ReflectUtils$1() to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) WARNING: Please consider reporting this to the maintainers of org.springframework.cglib.core.ReflectUtils$1How can I get rid of this warning from the IntelliJ console?
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