[INFO] Scanning for projects...[WARNING] [WARNING] Some problems were encountered while building the effective model for Comet:Comet-Server:jar:2.11.1-TEST1[WARNING] 'dependencies.dependency.version' for com.ning:async-http-client:jar is either LATEST or RELEASE (both of them are being deprecated) @ line 414, column 22[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: Comet:Comet-API:jar -> duplicate declaration of version 2.11.1-TEST1 @ line 461, column 21[WARNING] [WARNING] Some problems were encountered while building the effective model for Comet:Comet-Manager:war:0.0.1-SNAPSHOT[WARNING] 'dependencies.dependency.version' for com.google.code.gson:gson:jar is either LATEST or RELEASE (both of them are being deprecated) @ line 115, column 22[WARNING] [WARNING] Some problems were encountered while building the effective model for Comet:Comet-ProcessManager:jar:2.11.1-TEST1[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: com.google.code.gson:gson:jar -> duplicate declaration of version 2.7 @ line 141, column 21[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-jar-plugin is missing. @ line 34, column 21[WARNING] [WARNING] Some problems were encountered while building the effective model for Comet:Comet-Game-Groups:jar:2.11.1-TEST1[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: Comet:Comet-Storage-MySQL:jar -> duplicate declaration of version 2.11.1-TEST1 @ line 43, column 21[WARNING] 'dependencies.dependency.version' for com.google.guava:guava:jar is either LATEST or RELEASE (both of them are being deprecated) @ line 51, column 22[WARNING] [WARNING] Some problems were encountered while building the effective model for Comet:Comet-GameCenter-FastFood:jar:2.11.1-TEST1[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: Comet:Comet-Networking-API:jar -> duplicate declaration of version 2.11.1-TEST1 @ line 17, column 21[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: Comet:Comet-Networking-API:jar -> duplicate declaration of version 2.11.1-TEST1 @ line 22, column 21[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: Comet:Comet-Storage-MySQL:jar -> duplicate declaration of version 2.11.1-TEST1 @ line 32, column 21[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: Comet:Comet-Server-Protocol:jar -> duplicate declaration of version 2.11.1-TEST1 @ line 42, column 21[WARNING] [WARNING] Some problems were encountered while building the effective model for Comet:Comet-Storage-API:jar:2.11.1-TEST1[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: Comet:Comet-API:jar -> duplicate declaration of version 2.11.1-TEST1 @ line 24, column 21[WARNING] [WARNING] Some problems were encountered while building the effective model for Comet:Comet-Storage-MySQL:jar:2.11.1-TEST1[WARNING] 'dependencies.dependency.version' for org.junit.jupiter:junit-jupiter-api:jar is either LATEST or RELEASE (both of them are being deprecated) @ line 21, column 22[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: Comet:Comet-API:jar -> duplicate declaration of version 2.11.1-TEST1 @ line 43, column 21[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] Comet [pom][INFO] Comet-API [jar][INFO] Comet-API-Example [jar][INFO] Comet-Server-Protocol [jar][INFO] Comet-Networking-Composers [jar][INFO] Comet-Storage-API [jar][INFO] Comet-Game-Items [jar][INFO] Comet-Storage-MySQL [jar][INFO] Comet-Common [jar][INFO] Comet-Networking-API [jar][INFO] Comet-Game-Groups [jar][INFO] Comet-GameCenter-FastFood [jar][INFO] Comet-Game-Rooms [jar][INFO] Comet-Server [jar][INFO] Comet-Launcher [jar][INFO] Comet-Manager [war][INFO] Comet-ProcessManager [jar][INFO] Comet-StressTest [jar][INFO] Comet-WebApp [jar][INFO] Comet-Website [jar][INFO] Comet-CatalogTool [jar][INFO] Comet-Game-Catalog [jar][INFO] Comet-Game-Achievements [jar][INFO] Comet-GameCenter-SnowStorm [jar][INFO] [INFO] -------------------------< Comet:Comet-Parent >-------------------------[INFO] Building Comet 2.11.1-TEST1 [1/24][INFO] --------------------------------[ pom ]---------------------------------[INFO] [INFO] --------------------------< Comet:Comet-API >---------------------------[INFO] Building Comet-API 2.11.1-TEST1 [2/24][INFO] --------------------------------[ jar ]---------------------------------[WARNING] The POM for Coerce:Coerce-Messaging-Client:jar:1.0-SNAPSHOT is missing, no dependency information available[INFO] ------------------------------------------------------------------------[INFO] Reactor Summary:[INFO] [INFO] Comet 2.11.1-TEST1 ................................. SUCCESS [ 0.006 s][INFO] Comet-API 2.11.1-TEST1 ............................. FAILURE [ 0.732 s][INFO] Comet-API-Example 2.11.1-TEST1 ..................... SKIPPED[INFO] Comet-Server-Protocol 2.11.1-TEST1 ................. SKIPPED[INFO] Comet-Networking-Composers 2.11.1-TEST1 ............ SKIPPED[INFO] Comet-Storage-API 2.11.1-TEST1 ..................... SKIPPED[INFO] Comet-Game-Items 2.11.1-TEST1 ...................... SKIPPED[INFO] Comet-Storage-MySQL 2.11.1-TEST1 ................... SKIPPED[INFO] Comet-Common 2.11.1-TEST1 .......................... SKIPPED[INFO] Comet-Networking-API 2.11.1-TEST1 .................. SKIPPED[INFO] Comet-Game-Groups 2.11.1-TEST1 ..................... SKIPPED[INFO] Comet-GameCenter-FastFood 2.11.1-TEST1 ............. SKIPPED[INFO] Comet-Game-Rooms 2.11.1-TEST1 ...................... SKIPPED[INFO] Comet-Server 2.11.1-TEST1 .......................... SKIPPED[INFO] Comet-Launcher 2.11.1-TEST1 ........................ SKIPPED[INFO] Comet-Manager 0.0.1-SNAPSHOT ....................... SKIPPED[INFO] Comet-ProcessManager 2.11.1-TEST1 .................. SKIPPED[INFO] Comet-StressTest 2.11.1-TEST1 ...................... SKIPPED[INFO] Comet-WebApp 2.11.1-TEST1 .......................... SKIPPED[INFO] Comet-Website 2.11.1-TEST1 ......................... SKIPPED[INFO] Comet-CatalogTool 2.11.1-TEST1 ..................... SKIPPED[INFO] Comet-Game-Catalog 2.11.1-TEST1 .................... SKIPPED[INFO] Comet-Game-Achievements 2.11.1-TEST1 ............... SKIPPED[INFO] Comet-GameCenter-SnowStorm 2.11.1-TEST1 ............ SKIPPED[INFO] ------------------------------------------------------------------------[INFO] BUILD FAILURE[INFO] ------------------------------------------------------------------------[INFO] Total time: 2.258 s[INFO] Finished at: 2020-04-28T13:30:46+02:00[INFO] ------------------------------------------------------------------------[ERROR] Failed to execute goal on project Comet-API: Could not resolve dependencies for project Comet:Comet-API:jar:2.11.1-TEST1: Could not find artifact Coerce:Coerce-Messaging-Client:jar:1.0-SNAPSHOT -> [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/DependencyResolutionException[ERROR] [ERROR] After correcting the problems, you can resume the build with the command[ERROR] mvn <goals> -rf :Comet-API