Program: 15845
Project: 15845
Buggy source:
/** 
 * Read the contents of this database from the database meta data.
 * @param meta the database meta data
 */
public synchronized void readContents(DatabaseMetaData meta) throws SQLException {
  String prod=StringUtils.toLowerEnglish(meta.getDatabaseProductName());
  isSQLite=prod.indexOf("String_Node_Str") >= 0;
  String url=meta.getURL();
  if (url != null) {
    isH2=url.startsWith("String_Node_Str");
    if (isH2) {
      PreparedStatement prep=meta.getConnection().prepareStatement("String_Node_Str" + "String_Node_Str");
      prep.setString(1,"String_Node_Str");
      ResultSet rs=prep.executeQuery();
      rs.next();
      if ("String_Node_Str".equals(rs.getString(1))) {
        isH2ModeMySQL=true;
      }
      rs.close();
      prep.close();
    }
    isOracle=url.startsWith("String_Node_Str");
    isPostgreSQL=url.startsWith("String_Node_Str");
    isMySQL=url.startsWith("String_Node_Str");
    isDerby=url.startsWith("String_Node_Str");
    isFirebird=url.startsWith("String_Node_Str");
    isMSSQLServer=url.startsWith("String_Node_Str");
  }
  String defaultSchemaName=getDefaultSchemaName(meta);
  String[] schemaNames=getSchemaNames(meta);
  schemas=new DbSchema[schemaNames.length];
  for (int i=0; i < schemaNames.length; i++) {
    String schemaName=schemaNames[i];
    boolean isDefault=defaultSchemaName == null || defaultSchemaName.equals(schemaName);
    DbSchema schema=new DbSchema(this,schemaName,isDefault);
    if (schema.isDefault) {
      defaultSchema=schema;
    }
    schemas[i]=schema;
    String[] tableTypes={"String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str"};
    schema.readTables(meta,tableTypes);
    if (!isPostgreSQL) {
      schema.readProcedures(meta);
    }
  }
  if (defaultSchema == null) {
    String best=null;
    for (    DbSchema schema : schemas) {
      if ("String_Node_Str".equals(schema.name)) {
        defaultSchema=schema;
        break;
      }
      if (defaultSchema == null || best == null || schema.name.length() < best.length()) {
        best=schema.name;
        defaultSchema=schema;
      }
    }
  }
}

Fixed version (ground truth):
/** 
 * Read the contents of this database from the database meta data.
 * @param url the database URL
 * @param conn the connection
 */
public synchronized void readContents(String url,Connection conn) throws SQLException {
  isH2=url.startsWith("String_Node_Str");
  if (isH2) {
    PreparedStatement prep=conn.prepareStatement("String_Node_Str" + "String_Node_Str");
    prep.setString(1,"String_Node_Str");
    ResultSet rs=prep.executeQuery();
    rs.next();
    if ("String_Node_Str".equals(rs.getString(1))) {
      isH2ModeMySQL=true;
    }
    rs.close();
    prep.close();
  }
  isSQLite=url.startsWith("String_Node_Str");
  isOracle=url.startsWith("String_Node_Str");
  isPostgreSQL=url.startsWith("String_Node_Str");
  isMySQL=url.startsWith("String_Node_Str");
  isDerby=url.startsWith("String_Node_Str");
  isFirebird=url.startsWith("String_Node_Str");
  isMSSQLServer=url.startsWith("String_Node_Str");
  DatabaseMetaData meta=conn.getMetaData();
  String defaultSchemaName=getDefaultSchemaName(meta);
  String[] schemaNames=getSchemaNames(meta);
  schemas=new DbSchema[schemaNames.length];
  for (int i=0; i < schemaNames.length; i++) {
    String schemaName=schemaNames[i];
    boolean isDefault=defaultSchemaName == null || defaultSchemaName.equals(schemaName);
    DbSchema schema=new DbSchema(this,schemaName,isDefault);
    if (isDefault) {
      defaultSchema=schema;
    }
    schemas[i]=schema;
    String[] tableTypes={"String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str"};
    schema.readTables(meta,tableTypes);
    if (!isPostgreSQL) {
      schema.readProcedures(meta);
    }
  }
  if (defaultSchema == null) {
    String best=null;
    for (    DbSchema schema : schemas) {
      if ("String_Node_Str".equals(schema.name)) {
        defaultSchema=schema;
        break;
      }
      if (defaultSchema == null || best == null || schema.name.length() < best.length()) {
        best=schema.name;
        defaultSchema=schema;
      }
    }
  }
}