I had a java project which I reconfigured to a Maven project. After reconfiguring and adding most of the dependencies required, I get the following error in console when I run mvn install
command. I tried the solution mentioned here on this issue, but it doesnt help
Following are the console logs:
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building FlockHydraAutomation 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ FlockHydraAutomation ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 2 resources
[INFO]
[INFO] --- maven-compiler-plugin:3.5.1:compile (default-compile) @ FlockHydraAutomation ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 15 source files to C:\Maven\FlockHydra-Automation\FlockHydraAutomation\target\classes
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
[INFO] 1 error
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.249 s
[INFO] Finished at: 2017-09-23T13:44:15+05:30
[INFO] Final Memory: 10M/220M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.5.1:compile (default-compile) on project FlockHydraAutomation: Compilation failure
[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
POM File:
<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>com.Flock</groupId>
<artifactId>FlockHydraAutomation</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>FlockHydraAutomation</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<build>
<sourceDirectory>flockWebclient</sourceDirectory>
<resources>
<resource>
<directory>resources</directory>
<excludes>
<exclude>**/*.java</exclude>
</excludes>
</resource>
</resources>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
Attached is the screenshot of the Java Compiler: Java Compiler
Based on your comment on the previous answer looks like you are indeed pointing to a JDK. So now can you try this, Open Eclipse and goto Windows-> preferences -> Java -> installed JREs, and check if you are pointing to a JRE. If yes, change the path to your JDK and try to run a Maven build again. Hopefully this helps resolve the issue.
You have to make sure, your JAVA_HOME
environment variable points to a JDK (not a JRE), as the error mentions.
[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
Execute mvn -version
. The output will show, what directory JAVA_HOME point to. Then make sure, this is a JDK by setting the JAVA_HOME
variable to a JDK path.
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