Program: 7831
Project: 7831
Buggy source:
private void revalidateImpl(){
  if (getControl().isDisposed() || !isCurrentPage())   return;
  final List<RefSpec> fetchSpecs;
  if (displayedRepoSelection.isConfigSelected())   fetchSpecs=displayedRepoSelection.getConfig().getPushRefSpecs();
 else   fetchSpecs=null;
  final PushOperation operation;
  try {
    final Collection<RemoteRefUpdate> updates=Transport.findRemoteRefUpdatesFor(local,displayedRefSpecs,fetchSpecs);
    if (updates.isEmpty()) {
      setErrorMessage(UIText.ConfirmationPage_errorRefsChangedNoMatch);
      setPageComplete(false);
      return;
    }
    final PushOperationSpecification spec=new PushOperationSpecification();
    for (    final URIish uri : displayedRepoSelection.getAllURIs())     spec.addURIRefUpdates(uri,copyUpdates(updates));
    operation=new PushOperation(local,spec,true,displayedRepoSelection.getConfig());
    getContainer().run(true,true,new IRunnableWithProgress(){
      public void run(      IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
        operation.run(monitor);
      }
    }
);
  }
 catch (  final IOException e) {
    setErrorMessage(NLS.bind(UIText.ConfirmationPage_errorCantResolveSpecs,e.getMessage()));
    return;
  }
catch (  final InvocationTargetException e) {
    setErrorMessage(NLS.bind(UIText.ConfirmationPage_errorUnexpected,e.getCause().getMessage()));
    return;
  }
catch (  final InterruptedException e) {
    setErrorMessage(UIText.ConfirmationPage_errorInterrupted);
    setPageComplete(true);
    displayedRefSpecs=null;
    displayedRepoSelection=null;
    return;
  }
  final PushOperationResult result=operation.getOperationResult();
  resultPanel.setData(local,result);
  if (result.isSuccessfulConnectionForAnyURI()) {
    setPageComplete(true);
    confirmedResult=result;
  }
 else {
    final String message=NLS.bind(UIText.ConfirmationPage_cantConnectToAny,result.getErrorStringForAllURis());
    setErrorMessage(message);
    ErrorDialog.openError(getShell(),UIText.ConfirmationPage_cantConnectToAnyTitle,null,new Status(IStatus.ERROR,Activator.getPluginId(),message));
  }
}

Fixed version (ground truth):
private void revalidateImpl(){
  if (getControl().isDisposed() || !isCurrentPage())   return;
  final List<RefSpec> fetchSpecs;
  if (displayedRepoSelection.isConfigSelected())   fetchSpecs=displayedRepoSelection.getConfig().getPushRefSpecs();
 else   fetchSpecs=null;
  final PushOperation operation;
  try {
    final Collection<RemoteRefUpdate> updates=Transport.findRemoteRefUpdatesFor(local,displayedRefSpecs,fetchSpecs);
    if (updates.isEmpty()) {
      setErrorMessage(UIText.ConfirmationPage_errorRefsChangedNoMatch);
      setPageComplete(false);
      return;
    }
    final PushOperationSpecification spec=new PushOperationSpecification();
    for (    final URIish uri : displayedRepoSelection.getPushURIs())     spec.addURIRefUpdates(uri,copyUpdates(updates));
    operation=new PushOperation(local,spec,true,displayedRepoSelection.getConfig());
    getContainer().run(true,true,new IRunnableWithProgress(){
      public void run(      IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
        operation.run(monitor);
      }
    }
);
  }
 catch (  final IOException e) {
    setErrorMessage(NLS.bind(UIText.ConfirmationPage_errorCantResolveSpecs,e.getMessage()));
    return;
  }
catch (  final InvocationTargetException e) {
    setErrorMessage(NLS.bind(UIText.ConfirmationPage_errorUnexpected,e.getCause().getMessage()));
    return;
  }
catch (  final InterruptedException e) {
    setErrorMessage(UIText.ConfirmationPage_errorInterrupted);
    setPageComplete(true);
    displayedRefSpecs=null;
    displayedRepoSelection=null;
    return;
  }
  final PushOperationResult result=operation.getOperationResult();
  resultPanel.setData(local,result);
  if (result.isSuccessfulConnectionForAnyURI()) {
    setPageComplete(true);
    confirmedResult=result;
  }
 else {
    final String message=NLS.bind(UIText.ConfirmationPage_cantConnectToAny,result.getErrorStringForAllURis());
    setErrorMessage(message);
    ErrorDialog.openError(getShell(),UIText.ConfirmationPage_cantConnectToAnyTitle,null,new Status(IStatus.ERROR,Activator.getPluginId(),message));
  }
}