Program: 54799
Project: 54799
Buggy source:
@SuppressWarnings("String_Node_Str") @Override public void execute() throws MojoExecutionException, MojoFailureException {
  boolean js=new File("String_Node_Str").exists();
  if (js) {
    mainClass="String_Node_Str";
  }
  Set<File> appcp=new LinkedHashSet<File>();
  appcp.addAll(resources(mavenProject.getResources()));
  appcp.add(new File(buildOutputDirectory));
  Set<Artifact> artifacts=new LinkedHashSet<Artifact>(mavenProject.getArtifacts());
  artifacts.forEach(artifact -> {
    if (!"String_Node_Str".equals(artifact.getType())) {
      appcp.add(new File(artifact.getFile().getAbsolutePath()));
    }
  }
);
  Set<File> classpath=new LinkedHashSet<>();
  File hotreload=extra(pluginArtifacts,"String_Node_Str").get();
  File jbossModules=extra(pluginArtifacts,"String_Node_Str").get();
  classpath.add(hotreload);
  classpath.add(jbossModules);
  List<Command> cmds=new ArrayList<>();
  if (commands != null && commands.size() > 0) {
    cmds.addAll(this.commands);
  }
  String includes=null;
  if (this.includes != null && this.includes.size() > 0) {
    includes=this.includes.stream().collect(Collectors.joining("String_Node_Str"));
  }
  String excludes=null;
  if (this.excludes != null && this.excludes.size() > 0) {
    excludes=this.excludes.stream().collect(Collectors.joining("String_Node_Str"));
  }
  String mId=mavenProject.getGroupId() + "String_Node_Str" + mavenProject.getArtifactId();
  setLogback();
  System.setProperty("String_Node_Str",mavenProject.getVersion());
  Command runapp=fork ? new RunForkedApp(mavenProject.getBasedir(),debug,vmArgs,classpath,mId,mainClass,appcp,includes,excludes) : new RunApp(mId,mainClass,appcp,includes,excludes);
  cmds.add(runapp);
  for (  Command cmd : cmds) {
    cmd.setWorkdir(mavenProject.getBasedir());
    getLog().debug("String_Node_Str" + cmd.debug());
  }
  Watcher watcher=setupCompiler(mavenProject,compiler,goal -> {
    maven.execute(DefaultMavenExecutionRequest.copy(session.getRequest()).setGoals(Arrays.asList(goal)));
  }
);
  ShutdownHook shutdownHook=new ShutdownHook(getLog(),cmds);
  shutdownHook.watcher=watcher;
  Runtime.getRuntime().addShutdownHook(shutdownHook);
  if (watcher != null) {
    watcher.start();
  }
  for (  Command cmd : cmds) {
    try {
      getLog().debug("String_Node_Str" + cmd.debug());
      cmd.execute();
    }
 catch (    Exception ex) {
      throw new MojoFailureException("String_Node_Str" + cmd + "String_Node_Str",ex);
    }
  }
}

Fixed version (ground truth):
@SuppressWarnings("String_Node_Str") @Override public void execute() throws MojoExecutionException, MojoFailureException {
  Set<File> appcp=new LinkedHashSet<File>();
  appcp.addAll(resources(mavenProject.getResources()));
  appcp.add(new File(buildOutputDirectory));
  Set<Artifact> artifacts=new LinkedHashSet<Artifact>(mavenProject.getArtifacts());
  artifacts.forEach(artifact -> {
    if (!"String_Node_Str".equals(artifact.getType())) {
      appcp.add(new File(artifact.getFile().getAbsolutePath()));
    }
  }
);
  Set<File> classpath=new LinkedHashSet<>();
  File hotreload=extra(pluginArtifacts,"String_Node_Str").get();
  File jbossModules=extra(pluginArtifacts,"String_Node_Str").get();
  classpath.add(hotreload);
  classpath.add(jbossModules);
  List<Command> cmds=new ArrayList<>();
  if (commands != null && commands.size() > 0) {
    cmds.addAll(this.commands);
  }
  String includes=null;
  if (this.includes != null && this.includes.size() > 0) {
    includes=this.includes.stream().collect(Collectors.joining("String_Node_Str"));
  }
  String excludes=null;
  if (this.excludes != null && this.excludes.size() > 0) {
    excludes=this.excludes.stream().collect(Collectors.joining("String_Node_Str"));
  }
  String mId=mavenProject.getGroupId() + "String_Node_Str" + mavenProject.getArtifactId();
  setLogback();
  System.setProperty("String_Node_Str",mavenProject.getVersion());
  Command runapp=fork ? new RunForkedApp(mavenProject.getBasedir(),debug,vmArgs,classpath,mId,mainClass,appcp,includes,excludes) : new RunApp(mId,mainClass,appcp,includes,excludes);
  cmds.add(runapp);
  for (  Command cmd : cmds) {
    cmd.setWorkdir(mavenProject.getBasedir());
    getLog().debug("String_Node_Str" + cmd.debug());
  }
  Watcher watcher=setupCompiler(mavenProject,compiler,goal -> {
    maven.execute(DefaultMavenExecutionRequest.copy(session.getRequest()).setGoals(Arrays.asList(goal)));
  }
);
  ShutdownHook shutdownHook=new ShutdownHook(getLog(),cmds);
  shutdownHook.watcher=watcher;
  Runtime.getRuntime().addShutdownHook(shutdownHook);
  if (watcher != null) {
    watcher.start();
  }
  for (  Command cmd : cmds) {
    try {
      getLog().debug("String_Node_Str" + cmd.debug());
      cmd.execute();
    }
 catch (    Exception ex) {
      throw new MojoFailureException("String_Node_Str" + cmd + "String_Node_Str",ex);
    }
  }
}