public void startBootstrapInstance(MavenPluginContext pluginContext) {
this.log = pluginContext.getLog();
this.configuration = pluginContext.getConfiguration();
List<Stoppable> stoppables = Lists.newArrayList();
getSetupStepSequence().execute(pluginContext);
PrintStream originalSystemErr = System.err;
bootstrap = getBootstrap();
log.info("Starting Tomcat ...");
try {
File catalinaout = new File(configuration.getCatalinaBase(), "/logs/catalina.out");
CatalinaOutPrintStream catalinaOutputStream =
new CatalinaOutPrintStream(
originalSystemErr,
new FileOutputStream(catalinaout),
configuration.isSuspendConsoleOutput());
System.setErr(catalinaOutputStream);
bootstrap.init();
final BootstrapShutdownHook shutdownHook = new BootstrapShutdownHook();
List<Stoppable> stoppableScanner =
ScannerSetup.configureScanners(shutdownHook, configuration, log);
stoppables.addAll(stoppableScanner);
bootstrap.start();
Runtime.getRuntime().addShutdownHook(shutdownHook);
log.info("Tomcat started");
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
stoppables.add(new StoppableBootstrapAdapter(bootstrap));
pluginContext
.getMojo()
.getPluginContext()
.put(AbstractT7BaseMojo.T7_BOOTSTRAP_CONTEXT_ID, stoppables);
}
/** @see org.apache.maven.plugin.Mojo#execute() */
public void execute() throws MojoExecutionException, MojoFailureException {
getLog().info("Configuring Jetty for project: " + project.getName());
if (skip) {
getLog().info("Skipping Jetty start: jetty.skip==true");
return;
}
PluginLog.setLog(getLog());
Runtime.getRuntime().addShutdownHook(new ShutdownThread());
random = new Random();
startJettyRunner();
}
/** @throws MojoExecutionException */
public void startJettyRunner() throws MojoExecutionException {
try {
File props = prepareConfiguration();
List<String> cmd = new ArrayList<String>();
cmd.add(getJavaBin());
if (jvmArgs != null) {
String[] args = jvmArgs.split(" ");
for (int i = 0; args != null && i < args.length; i++) {
if (args[i] != null && !"".equals(args[i])) cmd.add(args[i].trim());
}
}
String classPath = getClassPath();
if (classPath != null && classPath.length() > 0) {
cmd.add("-cp");
cmd.add(classPath);
}
cmd.add(Starter.class.getCanonicalName());
if (stopPort > 0 && stopKey != null) {
cmd.add("--stop-port");
cmd.add(Integer.toString(stopPort));
cmd.add("--stop-key");
cmd.add(stopKey);
}
if (jettyXml != null) {
cmd.add("--jetty-xml");
cmd.add(jettyXml);
}
if (contextXml != null) {
cmd.add("--context-xml");
cmd.add(contextXml);
}
cmd.add("--props");
cmd.add(props.getAbsolutePath());
String token = createToken();
cmd.add("--token");
cmd.add(token);
ProcessBuilder builder = new ProcessBuilder(cmd);
builder.directory(project.getBasedir());
if (PluginLog.getLog().isDebugEnabled())
PluginLog.getLog().debug(Arrays.toString(cmd.toArray()));
forkedProcess = builder.start();
PluginLog.getLog().info("Forked process starting");
if (waitForChild) {
startPump("STDOUT", forkedProcess.getInputStream());
startPump("STDERR", forkedProcess.getErrorStream());
int exitcode = forkedProcess.waitFor();
PluginLog.getLog().info("Forked execution exit: " + exitcode);
} else {
// wait for the child to be ready before terminating.
// child indicates it has finished starting by printing on stdout the token passed to it
try {
LineNumberReader reader =
new LineNumberReader(new InputStreamReader(forkedProcess.getInputStream()));
String line = null;
int attempts = 10; // max lines we'll read trying to get token
do {
--attempts;
line = reader.readLine();
if (line != null && line.startsWith(token)) break;
} while (line != null && attempts > 0);
reader.close();
if (line != null && line.trim().equals(token))
PluginLog.getLog().info("Forked process started.");
else {
String err = (line == null ? "" : line.substring(token.length()));
PluginLog.getLog()
.info("Forked process startup errors " + (!"".equals(err) ? ":" + err : ""));
}
} catch (Exception e) {
throw new MojoExecutionException(
"Problem determining if forked process is ready: " + e.getMessage());
}
}
} catch (InterruptedException ex) {
if (forkedProcess != null && waitForChild) forkedProcess.destroy();
throw new MojoExecutionException("Failed to start Jetty within time limit");
} catch (Exception ex) {
if (forkedProcess != null && waitForChild) forkedProcess.destroy();
throw new MojoExecutionException("Failed to create Jetty process", ex);
}
}
