Program: 47033
Project: 47033
Buggy source:
/** 
 * This method <strong>MUST</strong> be updated if the table definition are altered. The changes for each version in the form of <code>ALTER TABLE</code> must be implemented here.
 * @param connection the {@link Connection} to use
 * @param currentVersion the version to upgrade <strong>from</strong>
 * @throws SQLException
 */
@SuppressFBWarnings("String_Node_Str") private static void upgradeTable(final Connection connection,final int currentVersion) throws SQLException {
  LOGGER.info("String_Node_Str",TABLE_NAME,currentVersion,TABLE_VERSION);
  TABLE_LOCK.writeLock().lock();
  try {
    for (int version=currentVersion; version < TABLE_VERSION; version++) {
      LOGGER.trace("String_Node_Str",TABLE_NAME,version,version + 1);
switch (version) {
case 1:
        try (Statement statement=connection.createStatement()){
          statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
          statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
          Set<String> fileStatusEntries=new HashSet<>();
          PreparedStatement stmt=connection.prepareStatement("String_Node_Str" + TABLE_NAME + "String_Node_Str"+ TABLE_NAME+ "String_Node_Str");
          ResultSet rs=stmt.executeQuery();
          String filename;
          while (rs.next()) {
            filename=rs.getString("String_Node_Str");
            if (!fileStatusEntries.contains(filename)) {
              fileStatusEntries.add(filename);
              String query="String_Node_Str" + TABLE_NAME + "String_Node_Str"+ sqlQuote(filename)+ "String_Node_Str"+ rs.getInt("String_Node_Str");
              Statement statement2=connection.createStatement();
              statement2.execute(query);
              LOGGER.info("String_Node_Str" + filename);
            }
          }
          statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
          statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
          statement.execute("String_Node_Str");
          statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
          statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
        }
       version=2;
    break;
case 2:
  try (Statement statement=connection.createStatement()){
    statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
  }
 version=3;
break;
default :
throw new IllegalStateException("String_Node_Str" + TABLE_NAME + "String_Node_Str"+ version+ "String_Node_Str"+ TABLE_VERSION);
}
}
setTableVersion(connection,TABLE_NAME,TABLE_VERSION);
}
  finally {
TABLE_LOCK.writeLock().unlock();
}
}

Fixed version (ground truth):
/** 
 * This method <strong>MUST</strong> be updated if the table definition are altered. The changes for each version in the form of <code>ALTER TABLE</code> must be implemented here.
 * @param connection the {@link Connection} to use
 * @param currentVersion the version to upgrade <strong>from</strong>
 * @throws SQLException
 */
@SuppressFBWarnings("String_Node_Str") private static void upgradeTable(final Connection connection,final int currentVersion) throws SQLException {
  LOGGER.info("String_Node_Str",TABLE_NAME,currentVersion,TABLE_VERSION);
  TABLE_LOCK.writeLock().lock();
  try {
    for (int version=currentVersion; version < TABLE_VERSION; version++) {
      LOGGER.trace("String_Node_Str",TABLE_NAME,version,version + 1);
switch (version) {
case 1:
        try (Statement statement=connection.createStatement()){
          statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
          statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
          Set<String> fileStatusEntries=new HashSet<>();
          PreparedStatement stmt=connection.prepareStatement("String_Node_Str" + TABLE_NAME + "String_Node_Str"+ TABLE_NAME+ "String_Node_Str");
          ResultSet rs=stmt.executeQuery();
          String filename;
          while (rs.next()) {
            filename=rs.getString("String_Node_Str");
            if (!fileStatusEntries.contains(filename)) {
              fileStatusEntries.add(filename);
              String query="String_Node_Str" + TABLE_NAME + "String_Node_Str"+ sqlQuote(filename)+ "String_Node_Str"+ rs.getInt("String_Node_Str");
              Statement statement2=connection.createStatement();
              statement2.execute(query);
              LOGGER.info("String_Node_Str" + filename);
            }
          }
          statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
          statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
          statement.execute("String_Node_Str");
          statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
          statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
        }
       version=2;
    break;
case 2:
case 3:
  try (Statement statement=connection.createStatement()){
    statement.execute("String_Node_Str");
    statement.execute("String_Node_Str" + TABLE_NAME + "String_Node_Str");
  }
 version=4;
break;
default :
throw new IllegalStateException("String_Node_Str" + TABLE_NAME + "String_Node_Str"+ version+ "String_Node_Str"+ TABLE_VERSION);
}
}
setTableVersion(connection,TABLE_NAME,TABLE_VERSION);
}
  finally {
TABLE_LOCK.writeLock().unlock();
}
}