| /* |
| * 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. |
| */ |
| package org.apache.maven.exception; |
| |
| import java.io.IOException; |
| import java.net.ConnectException; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import org.apache.maven.model.Plugin; |
| import org.apache.maven.plugin.MojoExecution; |
| import org.apache.maven.plugin.MojoExecutionException; |
| import org.apache.maven.plugin.PluginContainerException; |
| import org.apache.maven.plugin.PluginExecutionException; |
| import org.apache.maven.plugin.descriptor.MojoDescriptor; |
| import org.apache.maven.plugin.descriptor.PluginDescriptor; |
| import org.junit.jupiter.api.Test; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| |
| /** |
| */ |
| class DefaultExceptionHandlerTest { |
| /** |
| * Running Maven under JDK7 may cause connection issues because IPv6 is used by default. |
| * <p> |
| * e.g running mvn site:run will cause Jetty to fail. |
| * </p> |
| * <p> |
| * The resolution is to add -Djava.net.preferIPv4Stack=true to the command line as documented in |
| * http://cwiki.apache.org/confluence/display/MAVEN/ConnectException |
| * </p> |
| */ |
| @Test |
| void testJdk7ipv6() { |
| ConnectException connEx = new ConnectException("Connection refused: connect"); |
| IOException ioEx = new IOException("Unable to establish loopback connection", connEx); |
| MojoExecutionException mojoEx = |
| new MojoExecutionException("Error executing Jetty: Unable to establish loopback connection", ioEx); |
| |
| ExceptionHandler exceptionHandler = new DefaultExceptionHandler(); |
| ExceptionSummary exceptionSummary = exceptionHandler.handleException(mojoEx); |
| |
| String expectedReference = "http://cwiki.apache.org/confluence/display/MAVEN/ConnectException"; |
| assertEquals(expectedReference, exceptionSummary.getReference()); |
| } |
| |
| @Test |
| void testHandleExceptionAetherClassNotFound() { |
| Throwable cause2 = new NoClassDefFoundError("org/sonatype/aether/RepositorySystem"); |
| Plugin plugin = new Plugin(); |
| Exception cause = new PluginContainerException(plugin, null, null, cause2); |
| PluginDescriptor pluginDescriptor = new PluginDescriptor(); |
| MojoDescriptor mojoDescriptor = new MojoDescriptor(); |
| mojoDescriptor.setPluginDescriptor(pluginDescriptor); |
| MojoExecution mojoExecution = new MojoExecution(mojoDescriptor); |
| Throwable exception = new PluginExecutionException(mojoExecution, null, cause); |
| |
| DefaultExceptionHandler handler = new DefaultExceptionHandler(); |
| ExceptionSummary summary = handler.handleException(exception); |
| |
| String expectedReference = "http://cwiki.apache.org/confluence/display/MAVEN/AetherClassNotFound"; |
| assertEquals(expectedReference, summary.getReference()); |
| } |
| |
| @Test |
| void testHandleExceptionNoClassDefFoundErrorNull() { |
| Throwable cause2 = new NoClassDefFoundError(); |
| Plugin plugin = new Plugin(); |
| Exception cause = new PluginContainerException(plugin, null, null, cause2); |
| PluginDescriptor pluginDescriptor = new PluginDescriptor(); |
| MojoDescriptor mojoDescriptor = new MojoDescriptor(); |
| mojoDescriptor.setPluginDescriptor(pluginDescriptor); |
| MojoExecution mojoExecution = new MojoExecution(mojoDescriptor); |
| Throwable exception = new PluginExecutionException(mojoExecution, null, cause); |
| |
| DefaultExceptionHandler handler = new DefaultExceptionHandler(); |
| ExceptionSummary summary = handler.handleException(exception); |
| |
| String expectedReference = "http://cwiki.apache.org/confluence/display/MAVEN/PluginContainerException"; |
| assertEquals(expectedReference, summary.getReference()); |
| } |
| |
| @Test |
| void testHandleExceptionLoopInCause() { |
| // Some broken exception that does return "this" as getCause |
| AtomicReference<Throwable> causeRef = new AtomicReference<>(null); |
| Exception cause2 = new RuntimeException("loop") { |
| @Override |
| public synchronized Throwable getCause() { |
| return causeRef.get(); |
| } |
| }; |
| causeRef.set(cause2); |
| |
| Plugin plugin = new Plugin(); |
| Exception cause = new PluginContainerException(plugin, null, null, cause2); |
| cause2.initCause(cause); |
| PluginDescriptor pluginDescriptor = new PluginDescriptor(); |
| MojoDescriptor mojoDescriptor = new MojoDescriptor(); |
| mojoDescriptor.setPluginDescriptor(pluginDescriptor); |
| MojoExecution mojoExecution = new MojoExecution(mojoDescriptor); |
| Throwable exception = new PluginExecutionException(mojoExecution, null, cause); |
| |
| DefaultExceptionHandler handler = new DefaultExceptionHandler(); |
| ExceptionSummary summary = handler.handleException(exception); |
| |
| String expectedReference = "http://cwiki.apache.org/confluence/display/MAVEN/PluginContainerException"; |
| assertEquals(expectedReference, summary.getReference()); |
| } |
| |
| @Test |
| void testHandleExceptionSelfReferencing() { |
| RuntimeException boom3 = new RuntimeException("BOOM3"); |
| RuntimeException boom2 = new RuntimeException("BOOM2", boom3); |
| RuntimeException boom1 = new RuntimeException("BOOM1", boom2); |
| boom3.initCause(boom1); |
| |
| DefaultExceptionHandler handler = new DefaultExceptionHandler(); |
| ExceptionSummary summary = handler.handleException(boom1); |
| |
| assertEquals("BOOM1: BOOM2: BOOM3: [CIRCULAR REFERENCE]", summary.getMessage()); |
| assertEquals("", summary.getReference()); |
| assertEquals(0, summary.getChildren().size()); |
| assertEquals(boom1, summary.getException()); |
| } |
| } |