I fixed this problem by changing the Gradle JVM settings in IntelliJ settings: In the Settings/Preferences dialog, go to Build, Execution, Deployment | Build Tools | Gradle. Under the Gradle section, change the Gradle JVM option. Select a Gradle JVM which works for you. See https://www.jetbrains.com/help/idea/gradle-jvm-selection.html#jvm_settings
I had this same issue when creating a Spring Boot application using their @SpringBootApplication annotation. This annotation represents @Configuration, @EnableAutoConfiguration and @ComponentScan according to the spring reference. As expected, the new annotation worked properly and my application ran smoothly but, Intellij kept complaining about unfulfilled @Autowire dependencies. As soon as I changed back to using @Configuration, @EnableAutoConfiguration and @ComponentScan separately, the errors ceased. It seems Intellij 14.0.3 (and most likely, earlier versions too) is not yet … Read more
JAVA_HOME should point to a JDK not a JRE
Most likely you have incorrect compiler options imported from Maven here: Also check project and module bytecode (target) version settings outlined on the screenshot. Other places where the source language level is configured: Project Structure | Project Project Structure | Modules (check every module) | Sources Maven default language level is 1.5 (5.0), you will see this version as the Module language level … Read more
The java and javac executables are using the PATH environment variable, while intelliJ is using JAVA_HOME variable. Remove the additional quotation marks in your JAVA_HOME value. It might shows that your path to the jdk installation directory is hard coded in the PATH, rather then using %JAVA_HOME%.
Steps for adding external jars in IntelliJ IDEA: Click File from the toolbar Select Project Structure option (CTRL + SHIFT + ALT + S on Windows/Linux, ⌘ + ; on Mac OS X) Select Modules at the left panel Select Dependencies tab Select + icon Select 1 JARs or directories option
This is because the className value which you are passing as argument forforName(String className) method is not found or doesn’t exists, or you a re passing the wrong value as the class name. Here is also a link which could help you. 1. https://docs.oracle.com/javase/7/docs/api/java/lang/ClassNotFoundException.html2. https://docs.oracle.com/javase/7/docs/api/java/lang/Class.html#forName(java.lang.String) Update Module not specified According to the snapshot you have … Read more
Some of your dependency JARs is a signed JAR, so when you combine then all in one JAR and run that JAR then signature of the signed JAR doesn’t match up and hence you get the security exception about signature mis-match. To fix this you need to first identify which all dependency JARs are signed … Read more
