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maven-core-3.8.6.jar - Maven Core Module
maven-core-3.8.6.jar is the JAR file for Apache Maven 3.8.6 Core module. Apache Maven is a software project management and comprehension tool.
JAR File Size and Download Location:
File: 646022 06-06-2022 16:16 lib/maven-core-3.8.6.jar Download: Apache Maven Website
✍: FYIcenter.com
⏎ org/apache/maven/exception/DefaultExceptionHandler.java
package org.apache.maven.exception; /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import java.io.IOException; import java.net.ConnectException; import java.net.UnknownHostException; import java.util.ArrayList; import java.util.List; import org.apache.maven.lifecycle.LifecycleExecutionException; import org.apache.maven.model.building.ModelProblem; import org.apache.maven.model.building.ModelProblemUtils; import org.apache.maven.plugin.AbstractMojoExecutionException; import org.apache.maven.plugin.MojoExecutionException; import org.apache.maven.plugin.MojoFailureException; import org.apache.maven.plugin.PluginContainerException; import org.apache.maven.plugin.PluginExecutionException; import org.apache.maven.project.ProjectBuildingException; import org.apache.maven.project.ProjectBuildingResult; import org.codehaus.plexus.component.annotations.Component; import org.codehaus.plexus.util.StringUtils; /* - test projects for each of these - how to categorize the problems so that the id of the problem can be match to a page with descriptive help and the test project - nice little sample projects that could be run in the core as well as integration tests All Possible Errors - invalid lifecycle phase (maybe same as bad CLI param, though you were talking about embedder too) - <module> specified is not found - malformed settings - malformed POM - local repository not writable - remote repositories not available - artifact metadata missing - extension metadata missing - extension artifact missing - artifact metadata retrieval problem - version range violation - circular dependency - artifact missing - artifact retrieval exception - md5 checksum doesn't match for local artifact, need to redownload this - POM doesn't exist for a goal that requires one - parent POM missing (in both the repository + relative path) - component not found Plugins: - plugin metadata missing - plugin metadata retrieval problem - plugin artifact missing - plugin artifact retrieval problem - plugin dependency metadata missing - plugin dependency metadata retrieval problem - plugin configuration problem - plugin execution failure due to something that is know to possibly go wrong (like compilation failure) - plugin execution error due to something that is not expected to go wrong (the compiler executable missing) - asking to use a plugin for which you do not have a version defined - tools to easily select versions - goal not found in a plugin (probably could list the ones that are) */ // PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException, // CycleDetectedInPluginGraphException; /** * Transform an exception into useful end-user message. */ @Component( role = ExceptionHandler.class ) public class DefaultExceptionHandler implements ExceptionHandler { public ExceptionSummary handleException( Throwable exception ) { return handle( "", exception ); } private ExceptionSummary handle( String message, Throwable exception ) { String reference = getReference( exception ); List<ExceptionSummary> children = null; if ( exception instanceof ProjectBuildingException ) { List<ProjectBuildingResult> results = ( (ProjectBuildingException) exception ).getResults(); children = new ArrayList<>(); for ( ProjectBuildingResult result : results ) { ExceptionSummary child = handle( result ); if ( child != null ) { children.add( child ); } } message = "The build could not read " + children.size() + " project" + ( children.size() == 1 ? "" : "s" ); } else { message = getMessage( message, exception ); } return new ExceptionSummary( exception, message, reference, children ); } private ExceptionSummary handle( ProjectBuildingResult result ) { List<ExceptionSummary> children = new ArrayList<>(); for ( ModelProblem problem : result.getProblems() ) { ExceptionSummary child = handle( problem, result.getProjectId() ); if ( child != null ) { children.add( child ); } } if ( children.isEmpty() ) { return null; } String message = "\nThe project " + result.getProjectId() + " (" + result.getPomFile() + ") has " + children.size() + " error" + ( children.size() == 1 ? "" : "s" ); return new ExceptionSummary( null, message, null, children ); } private ExceptionSummary handle( ModelProblem problem, String projectId ) { if ( ModelProblem.Severity.ERROR.compareTo( problem.getSeverity() ) >= 0 ) { String message = problem.getMessage(); String location = ModelProblemUtils.formatLocation( problem, projectId ); if ( StringUtils.isNotEmpty( location ) ) { message += " @ " + location; } return handle( message, problem.getException() ); } else { return null; } } private String getReference( Throwable exception ) { String reference = ""; if ( exception != null ) { if ( exception instanceof MojoExecutionException ) { reference = MojoExecutionException.class.getSimpleName(); Throwable cause = exception.getCause(); if ( cause instanceof IOException ) { cause = cause.getCause(); if ( cause instanceof ConnectException ) { reference = ConnectException.class.getSimpleName(); } } } else if ( exception instanceof MojoFailureException ) { reference = MojoFailureException.class.getSimpleName(); } else if ( exception instanceof LinkageError ) { reference = LinkageError.class.getSimpleName(); } else if ( exception instanceof PluginExecutionException ) { Throwable cause = exception.getCause(); if ( cause instanceof PluginContainerException ) { Throwable cause2 = cause.getCause(); if ( cause2 instanceof NoClassDefFoundError ) { String message = cause2.getMessage(); if ( message != null && message.contains( "org/sonatype/aether/" ) ) { reference = "AetherClassNotFound"; } } } if ( StringUtils.isEmpty( reference ) ) { reference = getReference( cause ); } if ( StringUtils.isEmpty( reference ) ) { reference = exception.getClass().getSimpleName(); } } else if ( exception instanceof LifecycleExecutionException ) { reference = getReference( exception.getCause() ); } else if ( isNoteworthyException( exception ) ) { reference = exception.getClass().getSimpleName(); } } if ( StringUtils.isNotEmpty( reference ) && !reference.startsWith( "http:" ) ) { reference = "http://cwiki.apache.org/confluence/display/MAVEN/" + reference; } return reference; } private boolean isNoteworthyException( Throwable exception ) { if ( exception == null ) { return false; } else if ( exception instanceof Error ) { return true; } else if ( exception instanceof RuntimeException ) { return false; } else if ( exception.getClass().getName().startsWith( "java" ) ) { return false; } return true; } private String getMessage( String message, Throwable exception ) { String fullMessage = ( message != null ) ? message : ""; for ( Throwable t = exception; t != null; t = t.getCause() ) { String exceptionMessage = t.getMessage(); if ( t instanceof AbstractMojoExecutionException ) { String longMessage = ( (AbstractMojoExecutionException) t ).getLongMessage(); if ( StringUtils.isNotEmpty( longMessage ) ) { if ( StringUtils.isEmpty( exceptionMessage ) || longMessage.contains( exceptionMessage ) ) { exceptionMessage = longMessage; } else if ( !exceptionMessage.contains( longMessage ) ) { exceptionMessage = join( exceptionMessage, '\n' + longMessage ); } } } if ( StringUtils.isEmpty( exceptionMessage ) ) { exceptionMessage = t.getClass().getSimpleName(); } if ( t instanceof UnknownHostException && !fullMessage.contains( "host" ) ) { fullMessage = join( fullMessage, "Unknown host " + exceptionMessage ); } else if ( !fullMessage.contains( exceptionMessage ) ) { fullMessage = join( fullMessage, exceptionMessage ); } } return fullMessage.trim(); } private String join( String message1, String message2 ) { String message = ""; if ( StringUtils.isNotEmpty( message1 ) ) { message = message1.trim(); } if ( StringUtils.isNotEmpty( message2 ) ) { if ( StringUtils.isNotEmpty( message ) ) { if ( message.endsWith( "." ) || message.endsWith( "!" ) || message.endsWith( ":" ) ) { message += " "; } else { message += ": "; } } message += message2; } return message; } }
⏎ org/apache/maven/exception/DefaultExceptionHandler.java
Or download all of them as a single archive file:
File name: maven-core-3.8.6-src.zip File size: 550169 bytes Release date: 2022-06-06 Download
⇒ maven-artifact-3.8.6.jar - Maven Artifact Module
⇐ apache-maven-3.8.6-bin.zip - Apache Maven Binary Package
2020-10-26, 96202👍, 0💬
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