openjdk version "1.8.0_181"
OpenJDK Runtime Environment (build 1.8.0_181-8u181-b13-1ubuntu0.16.04.1-b13)
OpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode)
Warning: JAVA_HOME environment variable is not set.
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.smallnico.ratel:landlords-client:jar:1.0.1
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-gpg-plugin is missing. @ com.smallnico.ratel:landlords:1.0.1, /home/shira/ratel/pom.xml, line 82, column 12
[WARNING] 'build.plugins.plugin.version' for org.sonatype.plugins:nexus-staging-maven-plugin is missing. @ com.smallnico.ratel:landlords:1.0.1, /home/shira/ratel/pom.xml, line 70, column 12
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.smallnico.ratel:landlords-server:jar:1.0.1
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-gpg-plugin is missing. @ com.smallnico.ratel:landlords:1.0.1, /home/shira/ratel/pom.xml, line 82, column 12
[WARNING] 'build.plugins.plugin.version' for org.sonatype.plugins:nexus-staging-maven-plugin is missing. @ com.smallnico.ratel:landlords:1.0.1, /home/shira/ratel/pom.xml, line 70, column 12
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.smallnico.ratel:landlords-common:jar:1.0.1
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-gpg-plugin is missing. @ com.smallnico.ratel:landlords:1.0.1, /home/shira/ratel/pom.xml, line 82, column 12
[WARNING] 'build.plugins.plugin.version' for org.sonatype.plugins:nexus-staging-maven-plugin is missing. @ com.smallnico.ratel:landlords:1.0.1, /home/shira/ratel/pom.xml, line 70, column 12
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.smallnico.ratel:landlords:pom:1.0.1
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-gpg-plugin is missing. @ line 82, column 12
[WARNING] 'build.plugins.plugin.version' for org.sonatype.plugins:nexus-staging-maven-plugin is missing. @ line 70, column 12
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] ratel
[INFO] landlords-common
[INFO] landlords-client
[INFO] landlords-server
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building ratel 1.0.1
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-install-plugin:2.5.2:install (default-install) @ landlords ---
[INFO] Installing /home/shira/ratel/pom.xml to /root/.m2/repository/com/smallnico/ratel/landlords/1.0.1/landlords-1.0.1.pom
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building landlords-common 1.0.1
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-resources-plugin:3.0.2:resources (default-resources) @ landlords-common ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /home/shira/ratel/landlords-common/src/main/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ landlords-common ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 28 source files to /home/shira/ratel/landlords-common/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] Reactor Summary:
[INFO]
[INFO] ratel .............................................. SUCCESS [ 0.356 s]
[INFO] landlords-common ................................... FAILURE [ 0.707 s]
[INFO] landlords-client ................................... SKIPPED
[INFO] landlords-server ................................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.719 s
[INFO] Finished at: 2018-11-14T07:13:15+00:00
[INFO] Final Memory: 24M/434M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project landlords-common: 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
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <goals> -rf :landlords-common