Program: 74354
Project: 74354
Buggy source:
/** 
 * Provides the definition of a data source to Data Engine. A data source must be defined using this method prior to preparing any report query that uses such data source. <br> Data sources are uniquely identified name. If specified data source has already been defined, its definition will be updated with the content of the provided DataSourceDesign
 */
public void defineDataSource(IBaseDataSourceDesign dataSource) throws DataException {
  logger.entering(DataEngineImpl.class.getName(),"String_Node_Str",dataSource == null ? null : dataSource.getName());
  if (dataSource == null) {
    NullPointerException e=new NullPointerException("String_Node_Str");
    logger.logp(Level.WARNING,DataEngineImpl.class.getName(),"String_Node_Str","String_Node_Str",e);
    throw e;
  }
  if (dataSources == null) {
    IllegalStateException e=new IllegalStateException("String_Node_Str");
    logger.logp(Level.WARNING,DataEngineImpl.class.getName(),"String_Node_Str","String_Node_Str",e);
    throw e;
  }
  String name=dataSource.getName();
  if (name == null || name.length() == 0) {
    IllegalArgumentException e=new IllegalArgumentException("String_Node_Str");
    logger.logp(Level.WARNING,DataEngineImpl.class.getName(),"String_Node_Str","String_Node_Str",e);
    throw e;
  }
  if (logger.isLoggable(Level.FINE))   logger.logp(Level.FINE,DataEngineImpl.class.getName(),"String_Node_Str","String_Node_Str" + LogUtil.toString(dataSource));
  Object existingDefn=dataSources.get(dataSource.getName());
  if (existingDefn != null)   this.dataSourceManager.addDataSource((DataSourceRuntime)existingDefn);
  DataSourceRuntime newDefn=DataSourceRuntime.newInstance(dataSource,this);
  dataSources.put(newDefn.getName(),newDefn);
  logger.exiting(DataEngineImpl.class.getName(),"String_Node_Str");
}

Fixed version (ground truth):
/** 
 * Provides the definition of a data source to Data Engine. A data source must be defined using this method prior to preparing any report query that uses such data source. <br> Data sources are uniquely identified name. If specified data source has already been defined, its definition will be updated with the content of the provided DataSourceDesign
 */
public void defineDataSource(IBaseDataSourceDesign dataSource) throws DataException {
  logger.entering(DataEngineImpl.class.getName(),"String_Node_Str",dataSource == null ? "String_Node_Str" : dataSource.getName());
  if (dataSource == null) {
    NullPointerException e=new NullPointerException("String_Node_Str");
    logger.logp(Level.WARNING,DataEngineImpl.class.getName(),"String_Node_Str","String_Node_Str",e);
    throw e;
  }
  if (dataSources == null) {
    IllegalStateException e=new IllegalStateException("String_Node_Str");
    logger.logp(Level.WARNING,DataEngineImpl.class.getName(),"String_Node_Str","String_Node_Str",e);
    throw e;
  }
  String name=dataSource.getName();
  if (name == null || name.length() == 0) {
    IllegalArgumentException e=new IllegalArgumentException("String_Node_Str");
    logger.logp(Level.WARNING,DataEngineImpl.class.getName(),"String_Node_Str","String_Node_Str",e);
    throw e;
  }
  if (logger.isLoggable(Level.FINE))   logger.logp(Level.FINE,DataEngineImpl.class.getName(),"String_Node_Str","String_Node_Str" + LogUtil.toString(dataSource));
  Object existingDefn=dataSources.get(dataSource.getName());
  if (existingDefn != null)   this.dataSourceManager.addDataSource((DataSourceRuntime)existingDefn);
  DataSourceRuntime newDefn=DataSourceRuntime.newInstance(dataSource,this);
  dataSources.put(newDefn.getName(),newDefn);
  logger.exiting(DataEngineImpl.class.getName(),"String_Node_Str");
}