Program: 117855
Project: 117855
Buggy source:
@Override public void build(IProgressMonitor monitor) throws Exception {
  BuildCacheManager buildCacheManager=BuildCacheManager.getInstance();
  final ITalendProcessJavaProject talendJavaProject=getTalendJavaProject();
  String goal=getGoals();
  boolean isGoalPackage=TalendMavenConstants.GOAL_PACKAGE.equals(goal);
  boolean isGoalInstall=TalendMavenConstants.GOAL_INSTALL.equals(goal);
  boolean isMainJob=LastGenerationInfo.getInstance().isCurrentMainJob();
  if (!isMainJob && isGoalInstall) {
    if (!buildCacheManager.isJobBuild(getProperty())) {
      deleteExistedJobJarFile(talendJavaProject);
      buildCacheManager.putCache(getProperty());
    }
 else {
      PomUtil.restorePomFile(getTalendJavaProject());
    }
    return;
  }
  if (isMainJob) {
    final Map<String,Object> argumentsMap=new HashMap<String,Object>();
    argumentsMap.put(TalendProcessArgumentConstant.ARG_GOAL,TalendMavenConstants.GOAL_INSTALL);
    argumentsMap.put(TalendProcessArgumentConstant.ARG_PROGRAM_ARGUMENTS,"String_Node_Str" + BuildCacheManager.BUILD_AGGREGATOR_POM_NAME + "String_Node_Str"+ TalendMavenConstants.PROFILE_PACKAGING_AND_ASSEMBLY);
    buildCacheManager.build(monitor,argumentsMap);
    if (!MavenProjectUtils.hasMavenNature(project)) {
      MavenProjectUtils.enableMavenNature(monitor,project);
    }
 else {
      if (buildCacheManager.needTempAggregator() || !CommonUIPlugin.isFullyHeadless()) {
        MavenProjectUtils.updateMavenProject(monitor,talendJavaProject.getProject());
      }
    }
    JobInfo mainJobInfo=LastGenerationInfo.getInstance().getLastMainJob();
    Set<JobInfo> allJobs=LastGenerationInfo.getInstance().getLastGeneratedjobs();
    for (    JobInfo jobInfo : allJobs) {
      if (mainJobInfo != jobInfo) {
        ITalendProcessJavaProject subJobProject=TalendJavaProjectManager.getExistingTalendJobProject(jobInfo.getProcessor().getProperty());
        if (subJobProject != null) {
          IProject subProject=subJobProject.getProject();
          if (MavenProjectUtils.hasMavenNature(subProject) && subProject.isOpen()) {
            try {
              if (!subProject.isSynchronized(IResource.DEPTH_INFINITE)) {
                subProject.refreshLocal(IResource.DEPTH_INFINITE,monitor);
              }
              subProject.build(IncrementalProjectBuilder.FULL_BUILD,monitor);
              subProject.build(IncrementalProjectBuilder.INCREMENTAL_BUILD,monitor);
            }
 catch (            CoreException e) {
              ExceptionHandler.process(e);
            }
          }
        }
      }
    }
  }
  IFile jobJarFile=null;
  if (!TalendMavenConstants.GOAL_COMPILE.equals(goal)) {
    if (isGoalPackage) {
      jobJarFile=deleteExistedJobJarFile(talendJavaProject);
    }
    talendJavaProject.buildModules(monitor,null,null);
  }
  final Map<String,Object> argumentsMap=new HashMap<>();
  argumentsMap.put(TalendProcessArgumentConstant.ARG_GOAL,goal);
  if (isGoalPackage) {
    argumentsMap.put(TalendProcessArgumentConstant.ARG_PROGRAM_ARGUMENTS,"String_Node_Str" + TalendMavenConstants.PROFILE_PACKAGING_AND_ASSEMBLY);
  }
  talendJavaProject.buildModules(monitor,null,argumentsMap);
  if (isGoalPackage) {
    if (jobJarFile != null) {
      jobJarFile.refreshLocal(IResource.DEPTH_ONE,null);
    }
    if (jobJarFile == null || !jobJarFile.exists()) {
      String mvnLogFilePath=talendJavaProject.getProject().getFile("String_Node_Str").getLocation().toPortableString();
      throw new Exception(Messages.getString("String_Node_Str",mvnLogFilePath));
    }
  }
}

Fixed version (ground truth):
@Override public void build(IProgressMonitor monitor) throws Exception {
  BuildCacheManager buildCacheManager=BuildCacheManager.getInstance();
  final ITalendProcessJavaProject talendJavaProject=getTalendJavaProject();
  String goal=getGoals();
  boolean isGoalPackage=TalendMavenConstants.GOAL_PACKAGE.equals(goal);
  boolean isGoalInstall=TalendMavenConstants.GOAL_INSTALL.equals(goal);
  boolean isMainJob=LastGenerationInfo.getInstance().isCurrentMainJob();
  if (!isMainJob && isGoalInstall) {
    if (!buildCacheManager.isJobBuild(getProperty())) {
      deleteExistedJobJarFile(talendJavaProject);
      buildCacheManager.putCache(getProperty());
    }
 else {
      PomUtil.restorePomFile(getTalendJavaProject());
    }
    return;
  }
  if (isMainJob) {
    final Map<String,Object> argumentsMap=new HashMap<String,Object>();
    argumentsMap.put(TalendProcessArgumentConstant.ARG_GOAL,TalendMavenConstants.GOAL_INSTALL);
    argumentsMap.put(TalendProcessArgumentConstant.ARG_PROGRAM_ARGUMENTS,"String_Node_Str" + BuildCacheManager.BUILD_AGGREGATOR_POM_NAME + "String_Node_Str"+ TalendMavenConstants.PROFILE_PACKAGING_AND_ASSEMBLY);
    buildCacheManager.build(monitor,argumentsMap);
    if (!MavenProjectUtils.hasMavenNature(project)) {
      MavenProjectUtils.enableMavenNature(monitor,project);
    }
 else {
      if (buildCacheManager.needTempAggregator() || !CommonUIPlugin.isFullyHeadless()) {
        MavenProjectUtils.updateMavenProject(monitor,talendJavaProject.getProject());
      }
    }
    buildCacheManager.buildAllSubjobMavenProjects();
  }
  IFile jobJarFile=null;
  if (!TalendMavenConstants.GOAL_COMPILE.equals(goal)) {
    if (isGoalPackage) {
      jobJarFile=deleteExistedJobJarFile(talendJavaProject);
    }
    talendJavaProject.buildModules(monitor,null,null);
  }
  final Map<String,Object> argumentsMap=new HashMap<>();
  argumentsMap.put(TalendProcessArgumentConstant.ARG_GOAL,goal);
  if (isGoalPackage) {
    argumentsMap.put(TalendProcessArgumentConstant.ARG_PROGRAM_ARGUMENTS,"String_Node_Str" + TalendMavenConstants.PROFILE_PACKAGING_AND_ASSEMBLY);
  }
  talendJavaProject.buildModules(monitor,null,argumentsMap);
  if (isGoalPackage) {
    if (jobJarFile != null) {
      jobJarFile.refreshLocal(IResource.DEPTH_ONE,null);
    }
    if (jobJarFile == null || !jobJarFile.exists()) {
      String mvnLogFilePath=talendJavaProject.getProject().getFile("String_Node_Str").getLocation().toPortableString();
      throw new Exception(Messages.getString("String_Node_Str",mvnLogFilePath));
    }
  }
}