Program: 119102
Project: 119102
Buggy source:
public void run(){
  IWorkbenchPage page=workbench.getActiveWorkbenchWindow().getActivePage();
  IEditorPart editorPart=page.getActiveEditor();
  if (editorPart instanceof AbstractMultiPageTalendEditor) {
    AbstractMultiPageTalendEditor multiPageTalendEditor=((AbstractMultiPageTalendEditor)editorPart);
    AbstractTalendEditor talendEditor=multiPageTalendEditor.getTalendEditor();
    TalendJavaEditor codeEditor=(TalendJavaEditor)multiPageTalendEditor.getCodeEditor();
    org.eclipse.jdt.core.ICompilationUnit compilationUnit=(org.eclipse.jdt.core.ICompilationUnit)codeEditor.getUnit();
    IProcess process=talendEditor.getProcess();
    if (AbstractProcessProvider.isExtensionProcessForJoblet(process)) {
      return;
    }
    String selectedNodeName=multiPageTalendEditor.getSelectedNodeName();
    if (selectedNodeName == null) {
      return;
    }
    String uniqueNodeName=null;
    boolean found=false;
    List<? extends INode> generatingNodes=process.getGeneratingNodes();
    int generatingNodesListSize=generatingNodes.size();
    for (int i=0; i < generatingNodesListSize; i++) {
      INode node=generatingNodes.get(i);
      if (node.getUniqueName().equals(selectedNodeName) || node.getUniqueName().startsWith(selectedNodeName + "String_Node_Str")) {
        uniqueNodeName=node.getUniqueName();
        found=true;
        break;
      }
    }
    if (!found) {
      return;
    }
    final String code=retrieveCode(process,uniqueNodeName,nodeConfigurer);
    MyProblemRequestor problemRequestor=new MyProblemRequestor(code,iproblems,selectedNodeName);
    org.eclipse.jdt.core.ICompilationUnit workingCopy=null;
    try {
      JavaProcessorUtilities.computeLibrariesPath(process.getNeededLibraries(false),process);
      try {
        WorkingCopyOwner workingCopyOwner=new WorkingCopyOwner(){
        }
;
        workingCopy=((org.eclipse.jdt.core.ICompilationUnit)compilationUnit).getWorkingCopy(workingCopyOwner,problemRequestor,null);
        problemRequestor.setReportProblems(true);
        ((IOpenable)workingCopy).getBuffer().setContents(code);
        ((org.eclipse.jdt.core.ICompilationUnit)workingCopy).reconcile(ICompilationUnit.NO_AST,true,null,null);
        problemRequestor.setReportProblems(false);
      }
  finally {
        if (workingCopy != null) {
          workingCopy.discardWorkingCopy();
        }
      }
    }
 catch (    JavaModelException e) {
      ExceptionHandler.process(e);
    }
catch (    CoreException e) {
      ExceptionHandler.process(e);
    }
  }
}

Fixed version (ground truth):
public void run(){
  IWorkbenchPage page=workbench.getActiveWorkbenchWindow().getActivePage();
  IEditorPart editorPart=page.getActiveEditor();
  if (editorPart instanceof AbstractMultiPageTalendEditor) {
    AbstractMultiPageTalendEditor multiPageTalendEditor=((AbstractMultiPageTalendEditor)editorPart);
    AbstractTalendEditor talendEditor=multiPageTalendEditor.getTalendEditor();
    TalendJavaEditor codeEditor=(TalendJavaEditor)multiPageTalendEditor.getCodeEditor();
    org.eclipse.jdt.core.ICompilationUnit compilationUnit=(org.eclipse.jdt.core.ICompilationUnit)codeEditor.getUnit();
    IProcess process=talendEditor.getProcess();
    if (AbstractProcessProvider.isExtensionProcessForJoblet(process)) {
      return;
    }
    String selectedNodeName=multiPageTalendEditor.getSelectedNodeName();
    if (selectedNodeName == null) {
      return;
    }
    String uniqueNodeName=null;
    boolean found=false;
    List<? extends INode> generatingNodes=process.getGeneratingNodes();
    int generatingNodesListSize=generatingNodes.size();
    for (int i=0; i < generatingNodesListSize; i++) {
      INode node=generatingNodes.get(i);
      if (node.getUniqueName().equals(selectedNodeName) || node.getUniqueName().startsWith(selectedNodeName + "String_Node_Str")) {
        uniqueNodeName=node.getUniqueName();
        found=true;
        break;
      }
    }
    if (!found) {
      return;
    }
    final String code=retrieveCode(process,uniqueNodeName,nodeConfigurer);
    MyProblemRequestor problemRequestor=new MyProblemRequestor(code,iproblems,selectedNodeName);
    org.eclipse.jdt.core.ICompilationUnit workingCopy=null;
    try {
      JavaProcessorUtilities.computeLibrariesPath(process.getNeededModules(false),process);
      try {
        WorkingCopyOwner workingCopyOwner=new WorkingCopyOwner(){
        }
;
        workingCopy=((org.eclipse.jdt.core.ICompilationUnit)compilationUnit).getWorkingCopy(workingCopyOwner,problemRequestor,null);
        problemRequestor.setReportProblems(true);
        ((IOpenable)workingCopy).getBuffer().setContents(code);
        ((org.eclipse.jdt.core.ICompilationUnit)workingCopy).reconcile(ICompilationUnit.NO_AST,true,null,null);
        problemRequestor.setReportProblems(false);
      }
  finally {
        if (workingCopy != null) {
          workingCopy.discardWorkingCopy();
        }
      }
    }
 catch (    JavaModelException e) {
      ExceptionHandler.process(e);
    }
catch (    CoreException e) {
      ExceptionHandler.process(e);
    }
  }
}