private void logSummary(
final ExceptionSummary summary,
final Map<String, String> references,
String indent,
final boolean showErrors) {
assert summary != null;
String referenceKey = "";
// TODO: i18n
if (StringUtils.isNotEmpty(summary.getReference())) {
referenceKey = references.get(summary.getReference());
if (referenceKey == null) {
referenceKey = "[Help " + (references.size() + 1) + "]";
references.put(summary.getReference(), referenceKey);
}
}
String msg = indent + summary.getMessage();
if (StringUtils.isNotEmpty(referenceKey)) {
if (msg.indexOf('\n') < 0) {
msg += " -> " + referenceKey;
} else {
msg += '\n' + indent + "-> " + referenceKey;
}
}
if (showErrors) {
//noinspection ThrowableResultOfMethodCallIgnored
logger.error(msg, summary.getException());
} else {
logger.error(msg);
}
indent += " ";
for (ExceptionSummary child : summary.getChildren()) {
logSummary(child, references, indent, showErrors);
}
}
private int doExecute(final MavenExecutionRequest request) throws Exception {
assert request != null;
assert config != null;
if (config.isDebug() || config.isShowVersion()) {
CLIReportingUtils.showVersion(config.getStreams().out);
}
//
// TODO: i18n all of this
//
if (request.isShowErrors()) {
logger.info("Error stack-traces are turned on.");
}
if (MavenExecutionRequest.CHECKSUM_POLICY_WARN.equals(request.getGlobalChecksumPolicy())) {
logger.info("Disabling strict checksum verification on all artifact downloads.");
} else if (MavenExecutionRequest.CHECKSUM_POLICY_FAIL.equals(
request.getGlobalChecksumPolicy())) {
logger.info("Enabling strict checksum verification on all artifact downloads.");
}
if (log.isDebugEnabled()) {
log.debug("Executing request: {}", Yarn.render(request, Yarn.Style.MULTI));
}
MavenExecutionResult result;
Maven maven = container.lookup(Maven.class);
try {
result = maven.execute(request);
} finally {
container.release(maven);
}
if (!result.hasExceptions()) {
return 0;
}
// else process exceptions
ExceptionHandler handler = new DefaultExceptionHandler();
Map<String, String> references = new LinkedHashMap<String, String>();
MavenProject project = null;
for (Throwable exception : result.getExceptions()) {
ExceptionSummary summary = handler.handleException(exception);
logSummary(summary, references, "", request.isShowErrors());
if (project == null && exception instanceof LifecycleExecutionException) {
project = ((LifecycleExecutionException) exception).getProject();
}
}
logger.error("");
if (!request.isShowErrors()) {
logger.error("To see the full stack-trace of the errors, re-run Maven with the -e switch.");
}
if (!logger.isDebugEnabled()) {
logger.error("Re-run Maven using the -X switch to enable full debug logging.");
}
if (!references.isEmpty()) {
logger.error("");
logger.error(
"For more information about the errors and possible solutions, please read the following articles:");
for (Map.Entry<String, String> entry : references.entrySet()) {
logger.error(entry.getValue() + " " + entry.getKey());
}
}
if (project != null && !project.equals(result.getTopologicallySortedProjects().get(0))) {
logger.error("");
logger.error("After correcting the problems, you can resume the build with the command");
logger.error(" mvn <goals> -rf :" + project.getArtifactId());
}
if (MavenExecutionRequest.REACTOR_FAIL_NEVER.equals(request.getReactorFailureBehavior())) {
logger.info("Build failures were ignored.");
return 0;
} else {
return 1;
}
}