Error Java invalid target release 11 - IntelliJ IDEA

Question

I am trying to build an application which was built using java 8  now it s upgraded to java 11  I installed Java 11 using an oracle article in my windows machine and I use IntelliJ IDEA 2017 as my IDE   I changed my system environment variables and set the   JAVA HOME to C  Program Files Java jdk-11 0 1   And added that to the Path variable   C   gt java -version java version  11 0 1  2018-10-16 LTS Java TM  SE Runtime Environment 18 9  build 11 0 1 13-LTS  Java HotSpot TM  64-Bit Server VM 18 9  build 11 0 1 13-LTS  mixed mode     When I build my application in IntelliJ  this is what I get   Information java  Errors occurred while compiling module  test-domain main  Information  javac 1 8 0 171 was used to compile java sources Information 1 10 2019 4 21 PM - Compilation completed with 1 error and 0 warnings in 1s 199ms Error java  invalid target release  11   This is what I ve tried so far    I changed  idea compiler xml target values from 8 to 11 but that didn t help  Also  verified the Target bytecode version in settings  gt  Build  Execution  Deployment  gt  Compiler  gt  Java Compiler and all my modules are set to 11   Went to file  gt  Project Structure  gt  SDKs   currently I have 1 7 and 1 7 listed    gt  Add new SDK  gt  JDK  gt  After that  I selected C  Program Files Java jdk-11 0 1 But it errors out with  The selected directory is not a valid home for JDK    I am not sure if I installed the wrong JDK 11  because in my C  Program Files Java   I see separate JDK and JRE folders for 1 7 and 1 8 but only JDK folder for 11 0 1  Or is it something else I need to change

User · Answer

Below changes worked for me and hope the same works for you.

Change the version of Java from 11 to 8 in pom.xml file
<java.version>1.8</java.version>
Go to, File -> Settings -> Build, Execution, Deployment -> Compiler -> Java Compiler
Here, in Module column you can see your project listed and in Target bytecode version column, Java version for the project is already specified(mostly 11), change it to 8
Go to, File -> Project Structure -> Modules. Here, in Source tab, you can see Language level option, choose 8 - Lambdas, type annotations etc.. Finally, choose Apply and OK, you're good to go.

User · Answer

There is also the possibility of Maven using a different version of JDK  in that case you can set Maven to use the project default JDK version

User · Answer

I added these two lines to build gradle file compileJava options fork   true                                                compileJava options forkOptions executable    C   Program Files  Java  jdk-11 0 8   and it works I am using windows and my project based on gradle my jdk path - gt    C  Program Files Java jdk-11 0 8  please provide your jdk path

User · Answer

Got this same error after updating my Idea and I resolved it as follows    File    Project Structure       Project      Project language level     was set to    11 - Local variable syntax for lambda parameters     so I changed it to    SDK default  8 - Lambdas  type annotations etc      then applied the change  and the error was resolved

User · Answer

My project module was set to 8 but the pom xml was set to 11   When I changed from 8 to 11 in the module  it worked

User · Answer

In your pom xml file  inside that  lt java version gt  write  quot 8 quot  instead write  quot 11 quot   and RECOMPILE your pom xml file And tadaaaaaa it works

User · Answer

I also got a similar error but in my case it was Error java  invalid source release  11    So I just changed all the annotations of java 11 to java 8 and even if the annotation was java 8  I just leaved it like that  I hope it helps you to fix the issue

User · Answer

Please update to IntelliJ IDEA 2018 x to get Java 11 support  Your IntelliJ IDEA version was released before Java 11 and doesn t support this Java version

User · Answer

For me  I was having the same issue but it was with java v8  I am using a different version of java on my machine for my different projects  While importing one of my project I got the same problem  To check the configuration I checked all my SDK related settings whether it is in File- gt Project- gt Project Structure   Modules or in the Run Debug configuration setting  Everything I set to java-8 but still I was getting the same issue  While checking all of the configuration files I found that compiler xml in  idea is having an entry for the bytecodeTargetLevel which was set to 11  Here if I change it to 8 even though it shows the same compiler output and removing  lt bytecodeTargetLevel target  11    gt  from compiler xml resolve the issue

User · Answer

2021 Jan 12th the whole point for me is to explicitly specify the version as java 11 in my pom xml  and I solved the problem by taking the following steps   open terminal and input  java -version  then i got 1 8  and i went to  bash profile to switch the java version to 11 2 as i have multiple java version installed  please remember  quot restart quot  your terminal and check your java version again to confirm switch is successful   Then i went to File - gt  Project Structure to make sure my IntelliJ using the same version as my env  which is 11 2   RESTART your Intellij  mvn clean install  solved  hope this could help someone with this issue  thanks

User · Answer

If building a project through a build system  Maven  Gradle etc    works but IntelliJ show Invalid target release error  then do the following   Close IntelliJ  Go to the directory of the project  Delete the  idea  directory  Start IntelliJ with the project s directory   This will re-create the  idea  directory and will no longer show the error  NOTE  Any repository specific IntelliJ settings that you have added would be deleted when the  idea  directory is deleted and they will be re-created with the defaults

User · Answer

I tried all the above and found this secret sauce  make sure pom xml specifies your desired jdk  make sure maven specifies your desired jdk  make sure Projects specifies your desired jdk  make sure Modules specifies your integer jdk AND Dependencies specifies your jdk  hth

User · Answer

I had the issue because I m currently upgrading my code base to JDK 11 and am switching between 8 and 11 in the branches  It seems IntelliJ doesn t like this  Solution  If you ve selected the currect JDK in your project structure  Ctrl Shift Alt S  and still get the error  invalidate your cache File  gt  Invalidate Caches   Restart     After restarting the IDE the error went away in my case

User · Answer

I ve got the same issue as stated by Grigoriy Yuschenko  Same Intellij 2018 3 3 I was able to start my project by setting  like stated by Grigoriy  File- gt Project Structure- gt Modules - gt  gt  Language level to 8   my maven project was set to 1 8 java   AND File - gt  Settings - gt  Build  Execution  Deployment - gt  Compiler - gt  Java Compiler - gt  8 also there  I hope it would be useful

User · Answer

I was recently facing the same problem  This Error was showing on my screen after running my project main file  Error java  invalid source release  11 Follow the steps to resolve this error  File- gt Project Structure - gt  Project Click New button under Project SDK  Add the latest SDK and Click OK    After running You will see error is resolved     You can see it s work perfectly   Please approach me If you find any problem

User · Answer

I changed file - gt  project structure - gt  project settings - gt  modules   In the source tab   I set the Language Level from   14  or 11  to    quot Project Default quot    This fixed my issue

User · Answer

Just had same error  Problem was that I had empty package-info java file  As soon as I added package name inside it worked

User · Answer

January 6th  2021 This is what worked for me  Go to File - gt  Project Structure and select the  quot Dependencies quot  tab on the right panel of the window  Then change the  quot Module SDK quot  using the drop-down like this  Then apply changes

User · Answer

I Could say I had similar issue  My case  I switched from new version to old version of the project in workspace  try to run single junit which require recompil  recompilation error was thrown with invalid target    From Projects settings  F4  in IntelliJ everything was looking good and java was set to 1 7  But when I try recompile from IDE error was thrown because of wrong target level  After checking I found that in one of the iml file language was set to JDK 11  After manual change to JDK 1 7 everything back to normal    Worth to also manual check lang level in  iml files created by IDE

User · Answer

i also got same error   i just change the java version in pom xml from 11 to 1 8 and it s work fine

User · Answer

I ve got the same info messages and error message today  but I have recently updated Idea -  2018 3 3  built on January 9  2019   To resolve this issue I ve changed File- Project Structure- Modules -   Language level to 10   And check File -  Settings -  Build  Execution  Deployment -  Compiler -  Java Compiler -   Project bytecode and Per-module bytecode versions  I have 11 there  Now I don t get these notifications and the error   It could be useful for someone like me  having the most recent Idea and getting the same error

User · Answer

If you are in Springboot please check the java version in the pom xml file  lt properties gt      lt java version gt 11 lt  java version gt   lt  properties gt   If this version doesn t match with your default version Java  of the computer  that error can be happen

[java] Error: Java: invalid target release: 11 - IntelliJ IDEA

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