Program: 119172
Project: 119172
Buggy source:
public void initCodePath(IContext c) throws ProcessorException {
  if (buildChildrenJobs != null) {
    buildChildrenJobs.clear();
  }
  ITalendProcessJavaProject tProcessJvaProject=getTalendJavaProject();
  if (tProcessJvaProject == null) {
    throw new ProcessorException(Messages.getString("String_Node_Str"));
  }
  IProgressMonitor monitor=new NullProgressMonitor();
  final IFolder srcFolder=tProcessJvaProject.getSrcFolder();
  final IFolder resourcesFolder=tProcessJvaProject.getResourcesFolder();
  final IFolder outputFolder=tProcessJvaProject.getOutputFolder();
  Item item=getProperty().getItem();
  this.mainClass=JavaResourcesHelper.getJobPackagedClass(item,filenameFromLabel);
  String jobClassPackageFolder=JavaResourcesHelper.getJobClassPackageFolder(item);
  String jobClassFilePath=JavaResourcesHelper.getJobClassFilePath(item,filenameFromLabel);
  tProcessJvaProject.createSubFolder(monitor,srcFolder,jobClassPackageFolder);
  this.codePath=srcFolder.getProjectRelativePath().append(jobClassFilePath);
  IFolder jobClassFolder=outputFolder.getFolder(jobClassPackageFolder);
  String jobName=new Path(jobClassFilePath).removeFileExtension().lastSegment();
  this.compiledCodePath=jobClassFolder.getProjectRelativePath().append(jobName);
  IPath jobContextFolderPath=new Path(jobClassPackageFolder).append(JavaUtils.JAVA_CONTEXTS_DIRECTORY);
  tProcessJvaProject.createSubFolder(monitor,resourcesFolder,jobContextFolderPath.toString());
  String contextFileName=JavaResourcesHelper.getJobContextFileName(c);
  IPath jobContextPath=jobContextFolderPath.append(contextFileName);
  this.contextPath=resourcesFolder.getFile(jobContextPath).getProjectRelativePath();
  this.compiledContextPath=outputFolder.getFile(jobContextPath).getProjectRelativePath();
}

Fixed version (ground truth):
public void initCodePath(IContext c) throws ProcessorException {
  if (buildChildrenJobs != null) {
    buildChildrenJobs.clear();
  }
  ITalendProcessJavaProject tProcessJvaProject=getTalendJavaProject();
  if (tProcessJvaProject == null) {
    throw new ProcessorException(Messages.getString("String_Node_Str"));
  }
  IProgressMonitor monitor=new NullProgressMonitor();
  final IFolder srcFolder=tProcessJvaProject.getSrcFolder();
  final IFolder resourcesFolder=tProcessJvaProject.getResourcesFolder();
  final IFolder outputFolder=tProcessJvaProject.getOutputFolder();
  String jobClassPackageFolder=null;
  String jobClassFilePath=null;
  if (property != null) {
    Item item=property.getItem();
    jobClassPackageFolder=JavaResourcesHelper.getJobClassPackageFolder(item);
    jobClassFilePath=JavaResourcesHelper.getJobClassFilePath(item,filenameFromLabel);
    this.mainClass=JavaResourcesHelper.getJobPackagedClass(item,filenameFromLabel);
  }
 else {
    jobClassPackageFolder=JavaResourcesHelper.getProjectFolderName(property) + JavaUtils.PATH_SEPARATOR + JavaResourcesHelper.getJobFolderName(process.getName(),process.getVersion());
    jobClassFilePath=jobClassPackageFolder + JavaUtils.PATH_SEPARATOR + (filenameFromLabel ? JavaResourcesHelper.escapeFileName(process.getName()) : process.getId())+ JavaUtils.JAVA_EXTENSION;
    this.mainClass=new Path(jobClassFilePath).removeFileExtension().toString().replace('/','.');
  }
  tProcessJvaProject.createSubFolder(monitor,srcFolder,jobClassPackageFolder);
  this.codePath=srcFolder.getProjectRelativePath().append(jobClassFilePath);
  IFolder jobClassFolder=outputFolder.getFolder(jobClassPackageFolder);
  String jobName=new Path(jobClassFilePath).removeFileExtension().lastSegment();
  this.compiledCodePath=jobClassFolder.getProjectRelativePath().append(jobName);
  IPath jobContextFolderPath=new Path(jobClassPackageFolder).append(JavaUtils.JAVA_CONTEXTS_DIRECTORY);
  tProcessJvaProject.createSubFolder(monitor,resourcesFolder,jobContextFolderPath.toString());
  String contextFileName=JavaResourcesHelper.getJobContextFileName(c);
  IPath jobContextPath=jobContextFolderPath.append(contextFileName);
  this.contextPath=resourcesFolder.getFile(jobContextPath).getProjectRelativePath();
  this.compiledContextPath=outputFolder.getFile(jobContextPath).getProjectRelativePath();
}