Program: 118259
Project: 118259
Buggy source:
@Override public ExecutionResult execute(Item item){
  boolean isModified=false;
  ProcessType processType=getProcessType(item);
  List nodes=processType.getNode();
  List<ConnectionType> connections=processType.getConnection();
  for (  ConnectionType connection : connections) {
    String sourceNodeName=connection.getSource();
    String targetNodeName=connection.getTarget();
    if (sourceNodeName.matches("String_Node_Str") && targetNodeName.matches("String_Node_Str")) {
      NodeType eltInputNode=getNodeTypeByUniqueName(nodes,sourceNodeName);
      String orginalTableName=getPropertyValue(eltInputNode,"String_Node_Str");
      String orginalSchemaName=getPropertyValue(eltInputNode,"String_Node_Str");
      if (orginalSchemaName == null) {
        continue;
      }
      String tableName=TalendQuoteUtils.removeQuotes(orginalTableName);
      String schemaName=TalendQuoteUtils.removeQuotes(orginalSchemaName);
      String connectionName=schemaName + "String_Node_Str" + tableName;
      if (connection.getLabel().equals(tableName)) {
        connection.setLabel(connectionName);
        isModified=true;
      }
      List<MetadataTypeImpl> tables=eltInputNode.getMetadata();
      for (      MetadataTypeImpl table : tables) {
        if (table.getLabel().equals(tableName)) {
          table.setLabel(connectionName);
          isModified=true;
        }
      }
      NodeType eltMapNode=getNodeTypeByUniqueName(nodes,targetNodeName);
      if (GlobalServiceRegister.getDefault().isServiceRegistered(IDbMapService.class)) {
        IDbMapService service=(IDbMapService)GlobalServiceRegister.getDefault().getService(IDbMapService.class);
        service.updateEMFDBMapData(eltMapNode,tableName,connectionName);
        isModified=true;
      }
    }
  }
  if (isModified) {
    try {
      ProxyRepositoryFactory.getInstance().save(item,true);
      return ExecutionResult.SUCCESS_NO_ALERT;
    }
 catch (    PersistenceException e) {
      ExceptionHandler.process(e);
      return ExecutionResult.FAILURE;
    }
  }
  return ExecutionResult.NOTHING_TO_DO;
}

Fixed version (ground truth):
@Override public ExecutionResult execute(Item item){
  boolean isModified=false;
  ProcessType processType=getProcessType(item);
  List nodes=processType.getNode();
  List<ConnectionType> connections=processType.getConnection();
  for (  ConnectionType connection : connections) {
    String sourceNodeName=connection.getSource();
    String targetNodeName=connection.getTarget();
    if (sourceNodeName.matches("String_Node_Str") && targetNodeName.matches("String_Node_Str")) {
      NodeType eltInputNode=getNodeTypeByUniqueName(nodes,sourceNodeName);
      String orginalTableName=getPropertyValue(eltInputNode,"String_Node_Str");
      String orginalSchemaName=getPropertyValue(eltInputNode,"String_Node_Str");
      if (orginalSchemaName == null) {
        continue;
      }
      String tableName=TalendQuoteUtils.removeQuotes(orginalTableName);
      String schemaName=TalendQuoteUtils.removeQuotes(orginalSchemaName);
      String connectionName;
      if (schemaName.trim().equals("String_Node_Str")) {
        connectionName=tableName;
      }
 else {
        connectionName=schemaName + "String_Node_Str" + tableName;
      }
      if (connection.getLabel().equals(tableName)) {
        connection.setLabel(connectionName);
        isModified=true;
      }
      List<MetadataTypeImpl> tables=eltInputNode.getMetadata();
      for (      MetadataTypeImpl table : tables) {
        if (table.getLabel().equals(tableName)) {
          table.setLabel(connectionName);
          isModified=true;
        }
      }
      NodeType eltMapNode=getNodeTypeByUniqueName(nodes,targetNodeName);
      if (GlobalServiceRegister.getDefault().isServiceRegistered(IDbMapService.class)) {
        IDbMapService service=(IDbMapService)GlobalServiceRegister.getDefault().getService(IDbMapService.class);
        service.updateEMFDBMapData(eltMapNode,tableName,connectionName);
        isModified=true;
      }
    }
  }
  if (isModified) {
    try {
      ProxyRepositoryFactory.getInstance().save(item,true);
      return ExecutionResult.SUCCESS_NO_ALERT;
    }
 catch (    PersistenceException e) {
      ExceptionHandler.process(e);
      return ExecutionResult.FAILURE;
    }
  }
  return ExecutionResult.NOTHING_TO_DO;
}