Gradle / IntelliJ IDEA: sourceCompatibility revert to previous value in IDE settings












3














Setting sourceCompatibility and targetCompatibility to JavaVersion.VERSION_11 has not expected effect in my IntelliJ/Grade/Java project.



Even I set Project SDK and Project Language Level in Project Structure manually to 11, it reverted to 8 and 6 after I Refresh Gradle project (or Import Changes). See below image:



enter image description here





To ensure I created a new project and test these in it. This is its tree view:



enter image description here



The only build.gradle file:



plugins {
id 'java'
}

group 'test'
version '1.0-SNAPSHOT'

sourceCompatibility = JavaVersion.VERSION_11
targetCompatibility = JavaVersion.VERSION_11

repositories {
mavenCentral()
}

dependencies {
testCompile group: 'junit', name: 'junit', version: '4.12'
}


Gradle version is 4.10.2 as you can see it in gradle-wrapper.properties file:



#Tue Nov 13 00:53:45 IRST 2018
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https://services.gradle.org/distributions/gradle-4.10.2-all.zip


And this is environment information:



IntelliJ IDEA 2018.1.5 (Community Edition)
Build #IC-181.5281.24, built on June 12, 2018
JRE: 1.8.0_152-release-1136-b39 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Windows 10 10.0


This is an image from my SDKs:



enter image description here





Also, according to this answer, I made below configuration to build.gradle, but the problem persists:



group 'test'
version '1.0-SNAPSHOT'

allprojects {
apply plugin: 'java'
sourceCompatibility = JavaVersion.VERSION_11
targetCompatibility = JavaVersion.VERSION_11
}

repositories {
...


And also below configuration according to another answer on the same post:



group 'test'
version '1.0-SNAPSHOT'

allprojects {
apply plugin: 'java'

tasks.withType(JavaCompile) {
sourceCompatibility = JavaVersion.VERSION_11
targetCompatibility = JavaVersion.VERSION_11
}
}

repositories {
...









share|improve this question



























    3














    Setting sourceCompatibility and targetCompatibility to JavaVersion.VERSION_11 has not expected effect in my IntelliJ/Grade/Java project.



    Even I set Project SDK and Project Language Level in Project Structure manually to 11, it reverted to 8 and 6 after I Refresh Gradle project (or Import Changes). See below image:



    enter image description here





    To ensure I created a new project and test these in it. This is its tree view:



    enter image description here



    The only build.gradle file:



    plugins {
    id 'java'
    }

    group 'test'
    version '1.0-SNAPSHOT'

    sourceCompatibility = JavaVersion.VERSION_11
    targetCompatibility = JavaVersion.VERSION_11

    repositories {
    mavenCentral()
    }

    dependencies {
    testCompile group: 'junit', name: 'junit', version: '4.12'
    }


    Gradle version is 4.10.2 as you can see it in gradle-wrapper.properties file:



    #Tue Nov 13 00:53:45 IRST 2018
    distributionBase=GRADLE_USER_HOME
    distributionPath=wrapper/dists
    zipStoreBase=GRADLE_USER_HOME
    zipStorePath=wrapper/dists
    distributionUrl=https://services.gradle.org/distributions/gradle-4.10.2-all.zip


    And this is environment information:



    IntelliJ IDEA 2018.1.5 (Community Edition)
    Build #IC-181.5281.24, built on June 12, 2018
    JRE: 1.8.0_152-release-1136-b39 amd64
    JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
    Windows 10 10.0


    This is an image from my SDKs:



    enter image description here





    Also, according to this answer, I made below configuration to build.gradle, but the problem persists:



    group 'test'
    version '1.0-SNAPSHOT'

    allprojects {
    apply plugin: 'java'
    sourceCompatibility = JavaVersion.VERSION_11
    targetCompatibility = JavaVersion.VERSION_11
    }

    repositories {
    ...


    And also below configuration according to another answer on the same post:



    group 'test'
    version '1.0-SNAPSHOT'

    allprojects {
    apply plugin: 'java'

    tasks.withType(JavaCompile) {
    sourceCompatibility = JavaVersion.VERSION_11
    targetCompatibility = JavaVersion.VERSION_11
    }
    }

    repositories {
    ...









    share|improve this question

























      3












      3








      3







      Setting sourceCompatibility and targetCompatibility to JavaVersion.VERSION_11 has not expected effect in my IntelliJ/Grade/Java project.



      Even I set Project SDK and Project Language Level in Project Structure manually to 11, it reverted to 8 and 6 after I Refresh Gradle project (or Import Changes). See below image:



      enter image description here





      To ensure I created a new project and test these in it. This is its tree view:



      enter image description here



      The only build.gradle file:



      plugins {
      id 'java'
      }

      group 'test'
      version '1.0-SNAPSHOT'

      sourceCompatibility = JavaVersion.VERSION_11
      targetCompatibility = JavaVersion.VERSION_11

      repositories {
      mavenCentral()
      }

      dependencies {
      testCompile group: 'junit', name: 'junit', version: '4.12'
      }


      Gradle version is 4.10.2 as you can see it in gradle-wrapper.properties file:



      #Tue Nov 13 00:53:45 IRST 2018
      distributionBase=GRADLE_USER_HOME
      distributionPath=wrapper/dists
      zipStoreBase=GRADLE_USER_HOME
      zipStorePath=wrapper/dists
      distributionUrl=https://services.gradle.org/distributions/gradle-4.10.2-all.zip


      And this is environment information:



      IntelliJ IDEA 2018.1.5 (Community Edition)
      Build #IC-181.5281.24, built on June 12, 2018
      JRE: 1.8.0_152-release-1136-b39 amd64
      JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
      Windows 10 10.0


      This is an image from my SDKs:



      enter image description here





      Also, according to this answer, I made below configuration to build.gradle, but the problem persists:



      group 'test'
      version '1.0-SNAPSHOT'

      allprojects {
      apply plugin: 'java'
      sourceCompatibility = JavaVersion.VERSION_11
      targetCompatibility = JavaVersion.VERSION_11
      }

      repositories {
      ...


      And also below configuration according to another answer on the same post:



      group 'test'
      version '1.0-SNAPSHOT'

      allprojects {
      apply plugin: 'java'

      tasks.withType(JavaCompile) {
      sourceCompatibility = JavaVersion.VERSION_11
      targetCompatibility = JavaVersion.VERSION_11
      }
      }

      repositories {
      ...









      share|improve this question













      Setting sourceCompatibility and targetCompatibility to JavaVersion.VERSION_11 has not expected effect in my IntelliJ/Grade/Java project.



      Even I set Project SDK and Project Language Level in Project Structure manually to 11, it reverted to 8 and 6 after I Refresh Gradle project (or Import Changes). See below image:



      enter image description here





      To ensure I created a new project and test these in it. This is its tree view:



      enter image description here



      The only build.gradle file:



      plugins {
      id 'java'
      }

      group 'test'
      version '1.0-SNAPSHOT'

      sourceCompatibility = JavaVersion.VERSION_11
      targetCompatibility = JavaVersion.VERSION_11

      repositories {
      mavenCentral()
      }

      dependencies {
      testCompile group: 'junit', name: 'junit', version: '4.12'
      }


      Gradle version is 4.10.2 as you can see it in gradle-wrapper.properties file:



      #Tue Nov 13 00:53:45 IRST 2018
      distributionBase=GRADLE_USER_HOME
      distributionPath=wrapper/dists
      zipStoreBase=GRADLE_USER_HOME
      zipStorePath=wrapper/dists
      distributionUrl=https://services.gradle.org/distributions/gradle-4.10.2-all.zip


      And this is environment information:



      IntelliJ IDEA 2018.1.5 (Community Edition)
      Build #IC-181.5281.24, built on June 12, 2018
      JRE: 1.8.0_152-release-1136-b39 amd64
      JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
      Windows 10 10.0


      This is an image from my SDKs:



      enter image description here





      Also, according to this answer, I made below configuration to build.gradle, but the problem persists:



      group 'test'
      version '1.0-SNAPSHOT'

      allprojects {
      apply plugin: 'java'
      sourceCompatibility = JavaVersion.VERSION_11
      targetCompatibility = JavaVersion.VERSION_11
      }

      repositories {
      ...


      And also below configuration according to another answer on the same post:



      group 'test'
      version '1.0-SNAPSHOT'

      allprojects {
      apply plugin: 'java'

      tasks.withType(JavaCompile) {
      sourceCompatibility = JavaVersion.VERSION_11
      targetCompatibility = JavaVersion.VERSION_11
      }
      }

      repositories {
      ...






      gradle intellij-idea java-8 java-11 source-compatibility






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      asked Nov 23 '18 at 6:31









      Mir-Ismaili

      1,9371434




      1,9371434
























          1 Answer
          1






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          2














          For such issues compatibility of tools matter, you can upgrade your IDE version to a version >= 2018.2.



          Quoting a JetBrains blog #Java11 in IntelliJ IDEA 2018.2




          The next version of Java is due out in September, and IntelliJ IDEA 2018.2 is ready for it.







          share|improve this answer





















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            1 Answer
            1






            active

            oldest

            votes








            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            2














            For such issues compatibility of tools matter, you can upgrade your IDE version to a version >= 2018.2.



            Quoting a JetBrains blog #Java11 in IntelliJ IDEA 2018.2




            The next version of Java is due out in September, and IntelliJ IDEA 2018.2 is ready for it.







            share|improve this answer


























              2














              For such issues compatibility of tools matter, you can upgrade your IDE version to a version >= 2018.2.



              Quoting a JetBrains blog #Java11 in IntelliJ IDEA 2018.2




              The next version of Java is due out in September, and IntelliJ IDEA 2018.2 is ready for it.







              share|improve this answer
























                2












                2








                2






                For such issues compatibility of tools matter, you can upgrade your IDE version to a version >= 2018.2.



                Quoting a JetBrains blog #Java11 in IntelliJ IDEA 2018.2




                The next version of Java is due out in September, and IntelliJ IDEA 2018.2 is ready for it.







                share|improve this answer












                For such issues compatibility of tools matter, you can upgrade your IDE version to a version >= 2018.2.



                Quoting a JetBrains blog #Java11 in IntelliJ IDEA 2018.2




                The next version of Java is due out in September, and IntelliJ IDEA 2018.2 is ready for it.








                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Dec 18 '18 at 1:13









                nullpointer

                42.8k1091175




                42.8k1091175






























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