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I'm trying to build IntelliJ Project with maven on java 16.0.1, but it can't compile my project, although IntelliJ is able to do it successfuly. Before that, I used maven to compile a java 15 project, but I decided to update everything to 16.0.1 because of complete mess with different versions of java on my machine, like I was able to compile but not to run generated .jar files and etc.mvn compile output:
[ERROR] Error executing Maven.
[ERROR] java.lang.IllegalStateException: Unable to load cache item
[ERROR] Caused by: Unable to load cache item
[ERROR] Caused by: Could not initialize class com.google.inject.internal.cglib.core.$MethodWrapper
Here is my pom.xml file:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.example</groupId>
<artifactId>TaxiDB</artifactId>
<version>1.0</version>
<packaging>jar</packaging>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>Main</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<release>16.0.1</release>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<maven.compiler.source>16</maven.compiler.source>
<maven.compiler.target>16</maven.compiler.target>
</properties>
<dependencies>
...
</dependencies>
</project>
mvn -version output:
Apache Maven 3.6.3
Maven home: /usr/share/maven
Java version: 16.0.1, vendor: Oracle Corporation, runtime: /usr/lib/jvm/java-16-oracle
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "5.8.0-50-generic", arch: "amd64", family: "unix"
java -verion output:
java version "16.0.1" 2021-04-20
Java(TM) SE Runtime Environment (build 16.0.1+9-24)
Java HotSpot(TM) 64-Bit Server VM (build 16.0.1+9-24, mixed mode, sharing)
793
Running the mvn -v command will show the Java version in which Maven runs.
In case of Maven, we specify the compiler plugin to use Maven with Java 17. The next step is to basically upgrade the dependencies of our application.
Before that, I used maven to compile a java 15 project, but I decided to update everything to 16.0.1 because of complete mess with different versions of java on my machine, like I was able to compile but not to run generated .jar files and etc. [ERROR] Error executing Maven.
If you were to run mvn compile to build the project now, the build would fail because you’ve not declared Joda Time as a compile dependency in the build. You can fix that by adding the following lines to pom.xml (within the <project> element):
You can execute several build lifecycle goals with Maven now, including goals to compile the project’s code, create a library package (such as a JAR file), and install the library in the local Maven dependency repository. To try out the build, issue the following at the command line:
This will run Maven, telling it to execute the compile goal. When it’s finished, you should find the compiled .class files in the target/classes directory.
The problem is your Maven version is too old. It's not compatible with JDK 16.
Try to manually install maven version 3.8.1:
https://maven.apache.org/install.html
This will solve your problem without downgrading your JDK version.
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