What are common causes for IntelliJ IDEA not being able to resolve built-in JVM types and methods? For example, when I mouse over String the tooltip says «Cannot resolve symbol ‘String'». It’s as if IntelliJ has doesn’t know where the JVM is.
By the way, I am running OS X 10.6.6. Everything was working fine until I ran the system update this morning.
Cœur
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asked Jan 6, 2011 at 19:13
Landon KuhnLandon Kuhn
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Most likely JDK configuration is not valid, try to remove and add the JDK again as I’ve described in the related question here.
answered Jan 6, 2011 at 19:20
CrazyCoderCrazyCoder
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First check if you have configured JDK correctly:
- Go to File->Project Structure -> SDKs
- your JDK home path should be something like this:
/Library/Java/JavaVirtualMachine/jdk.1.7.0_79.jdk/Contents/Home - Hit Apply and then OK
Secondly check if you have provided in path in Library’s section
- Go to File->Project Structure -> Libraries
- Hit the + button
- Add the path to your src folder
- Hit Apply and then OK
This should fix the problem
answered Sep 28, 2015 at 3:03
3
I was facing the same problem when import projects into IntelliJ.
for in my case first, check SDK details and check you have configured JDK correctly or not.
Go to File-> Project Structure-> platform Settings-> SDKs
Check your JDK is correct or not.
Next, I Removed project from IntelliJ and delete all IntelliJ and IDE related files and folder from the project folder (.idea, .settings, .classpath, dependency-reduced-pom). Also, delete the target folder and re-import the project.
The above solution worked in my case.
answered Aug 21, 2020 at 5:24
Maulik KakadiyaMaulik Kakadiya
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For me, I had to remove the intellij internal sdk and started to use my local sdk. When I started to use the internal, the error was gone.
answered Feb 27, 2021 at 21:19
I tried almost everything but nothing was helping with the ibm jdk 1.8. to fix this issue. then I found an article from https://youtrack.jetbrains.com/issue/IDEA-279214/Cannot-resolve-symbol-String-when-using-IBM-JDK-180 and it worked like charm!!!
so sharing original help credit goes to @Serge Barano. incase anybody needs and not able to able to resolve the issue using previous solutions like me.
according to the article answer is:
IBM JDK has a weird layout and the jar with the String class is in bin directory for some reason:
d:devibm_sdk80jrebindefaultjclSC180vm.jar
If you add it to the JDK classpath in IntelliJ IDEA, the issue should resolve:
answered Jun 1, 2022 at 19:56
For me, IntelliJ could autocomplete packages, but never seemed to admit there were actual classes at any level of the hierarchy. Neither re-choosing the SDK nor re-creating the project seemed to fix it.
What did fix it was to delete the per-user IDEA directory ( in my case ~/.IntelliJIdea2017.1/) which meant losing all my other customizations… But at least it made the issue go away.
answered Jul 6, 2017 at 2:03
DarienDarien
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First of all you should try File | Invalidate Caches and if it doesn’t help, delete IDEA system directory. Then re-import the Maven project and see if it helps.
answered Aug 12, 2021 at 11:16
For me ,
File -> project structure -> Project Language Level (11) selection worked. Local variable syntax for lambda paramters.
answered Oct 18, 2021 at 9:42
In my case, cloning repo from the remote was the easiest way to solve this issue.
answered Apr 27, 2022 at 18:14
cannot resolve method ‘getParameter(java.lang.String)’
Вы столкнулись с этой проблемой?
Изначально использовал Myeclipse, позже перешел на IDEA, различные проблемы не решаются, эта проблема одна из них.
У него также есть проблема с братом:
cannot resolve method ‘println(java.lang.String)’
Рисунок выше — это скриншот кода после решения.
Решение:
1. Очистите кеш
Нажмите «Файл» в верхнем левом углу —-> «Недействительные кеши / перезагрузка».
В появившемся диалоговом окне нажмите «Invalidate».
Если этот метод не работает, обратитесь ко второму способу.
2. Добавьте кота
Нажмите «Файл» в верхнем левом углу ——> Структура проекта
В новом диалоговом окне нажмите «Модули» —-> «+» —-> «Библиотека или зависимость модуля ..»
Появится диалоговое окно, выберите кот ——> нажмите «Добавить выбранное».
Нажмите «Применить» —-> «ОК»
3. Альтернативный метод
Если вы не можете решить эту проблему, попробуйте вернуться к методу 1: «Файл» —-> «Недействительный кеш / перезапуск» —-> во всплывающем диалоговом окне нажмите «Недействительность и перезапуск».
Хорошо, на данный момент моя проблема решена.
заметка:
Операционная система: win7
JDK：1.6
tomcat：1.7
Браузер: Charm
Инструмент программирования: IDEA
Срок решения: два дня
Решение: сначала устраните проблему, чтобы найти причину, а затем слепо измените ее и продолжайте попытки и ошибки. В то же время браузер ищет похожие проблемы и, наконец, решает их.
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Comments
After fix for #778 issue I have got an error in IDE.
I am using new version of lombok with the fix (1.16.16) and Java 8.
It turns whole my project to red with hint that IDE Cannot resolve method 'onMethod_' (I am using Intellij).
But compilation is successful and generated code is working as expected.
public class DTO {
@Getter(onMethod_= @TestAnnotation(testParam = "testParam"))
@Setter
String data;
}
Actually there is not such method in sources https://github.com/rzwitserloot/lombok/blob/master/src/core/lombok/Getter.java, only AnyAnnotation[] onMethod() default {};
I don’t want to disable Cannot resolve method Intellij inspection, is there any way to fix it?
Actually there is not such method in sources
AFAIK, it mustn’t exist.
https://projectlombok.org/features/experimental/onX.html
The syntax is a little strange and depends on the javac you are using.
On javac7, to use any of the 3 onX features, you must wrap the annotations to be applied to the constructor / method / parameter in@__(@AnnotationGoesHere)….
On javac8 and up, you add an underscore after onMethod, onParam, or onConstructor.
Getting the same issue when using new Java8 onMethod syntax with Windows jdk1.8.0_121 and lombok 1.16.16.
Using the new JDK 8 syntax
@Getter(onMethod_ = { @JsonProperty(value = ID) })
No IDE, just javac
error: cannot find symbol
@getter(onMethod_ = { @JsonProperty(value = ID) })
^
symbol: method onMethod_()
location: @interface Getter
Same here, exact same version.
facing the same
any solution for this ?
I run into this when upgrading to java8 but not another person in my team!
After comparison we found out that compiler arg caused this (in maven)
javac -processor org.checkerframework.checker.nullness.NullnessChecker …
Without this even the java7 method compiles, will delombok getters and setters that needed this…
Same here
JDK:9.0.4
idea: 2018.1
lombok:1.16.20
can some one help?
Facing a similar issue when I run Enunciate plugin. Eclipse works after I run the Lombok JAR, and the Maven project compiles without errors, but other IDEs (like Visual Studio Code) and moreover, the Enunciate plugin is unable to finish.
I run into this when upgrading to java8 but not another person in my team!
After comparison we found out that compiler arg caused this (in maven)javac -processor org.checkerframework.checker.nullness.NullnessChecker …
Without this even the java7 method compiles, will delombok getters and setters that needed this…
Do you mean to add that parameter or to remove it in order to compile? I was trying to add the parameter in the Maven configuration but it is not working.