Lock table when drop table

[leichenlei]

CODE：

public static void dropTable(Connection conn, String tableName) throws SQLException { try (Statement statement = conn.createStatement()) { statement.execute("DROP TABLE " + tableName); } }

EXCEPTION：
org.sqlite.SQLiteException: [SQLITE_LOCKED] A table in the database is locked (database table is locked) at org.sqlite.core.DB.newSQLException(DB.java:909) at org.sqlite.core.DB.newSQLException(DB.java:921) at org.sqlite.core.DB.execute(DB.java:822) at org.sqlite.core.CoreStatement.exec(CoreStatement.java:75) at org.sqlite.jdbc3.JDBC3Statement.execute(JDBC3Statement.java:61)