isWarnEnabled(); public abstract void warn(CharSequence); public abstract void warn(CharSequence, Throwable); public abstract void warn(Throwable); public abstract boolean isErrorEnabled(); public abstract void error(CharSequence); public abstract void error(CharSequence, Throwable); public abstract void error(Throwable); } org/apache/maven/plugin/logging/SystemStreamLog.class package org.apache.maven.plugin.logging; public synchronized class SystemStreamLog implements Log { public void SystemStreamLog(); public...

                } catch (XmlReaderException ne) {
                    // still unreadable even in non-strict mode, rethrow original error
                    throw e;
                }

                Severity severity = request.isProjectBuild() ? Severity.ERROR : Severity.WARNING;
                problems.add(
                        severity,
                        ModelProblem.Version.V20,

                } catch (DirectoryNotEmptyException e) {
                    // ignore
                }
            }
        } catch (IOException e) {
            LOGGER.error("Error while cleaning project local repository", e);
        }
    }

    /**
     * Retrieve a stream of the project's artifacts
     */
    private Stream<Artifact> getProjectArtifacts(MavenProject project) {

                    logger.debug(
                            "Error releasing mojo for {} {execution: {}}",
                            goalExecId,
                            mojoExecution.getExecutionId(),
                            e);
                } else {
                    logger.debug("Error releasing mojo for {}", goalExecId, e);
                }
            }
        }
    }

        <field>
          <name>sendOnError</name>
          <version>4.0.0+</version>
          <defaultValue>true</defaultValue>
          <type>boolean</type>
          <description>Whether to send notifications on error.</description>
        </field>
        <field>
          <name>sendOnFailure</name>
          <version>4.0.0+</version>
          <defaultValue>true</defaultValue>
          <type>boolean</type>

                a = factory.createBuildArtifact("org.apache.maven", "h", "1.0", "jar");
                dependencies.add(a);
            } catch (Exception e) {
                throw new ArtifactMetadataRetrievalException("Error retrieving metadata", e, a);
            }
        }

        if ("i".equals(artifact.getArtifactId())) {
            Artifact a = null;
            try {

        validateStringNotEmpty("modelVersion", problems, Severity.ERROR, Version.BASE, m.getModelVersion(), m);

        validateCoordinateId("groupId", problems, m.getGroupId(), m);

        validateCoordinateId("artifactId", problems, m.getArtifactId(), m);

        validateStringNotEmpty("packaging", problems, Severity.ERROR, Version.BASE, m.getPackaging(), m);

        if (!m.getModules().isEmpty()) {

                ? ResolutionErrorPolicy.CACHE_NOT_FOUND
                : ResolutionErrorPolicy.CACHE_DISABLED;
        errorPolicy |= request.isCacheTransferError()
                ? ResolutionErrorPolicy.CACHE_TRANSFER_ERROR
                : ResolutionErrorPolicy.CACHE_DISABLED;
        sessionBuilder.setResolutionErrorPolicy(
                new SimpleResolutionErrorPolicy(errorPolicy, errorPolicy | ResolutionErrorPolicy.CACHE_NOT_FOUND));

        GetTask getTask = new GetTask(source);
        getTask.setDataPath(target);
        try {
            transporter.get(getTask);
            return true;
        } catch (Exception e) {
            if (Transporter.ERROR_NOT_FOUND != transporter.classify(e)) {
                throw new RuntimeException(e);
            }
            return false;
        }
    }

    @Override