0
我tride在eclipse获取异常值java.sql.SQLException:套接字创建错误
public static void main(String[] args) {
Connection connection = null;
ResultSet resultSet = null;
Statement statement = null;
try {
Class.forName("org.hsqldb.jdbcDriver");
connection = DriverManager.getConnection("jdbc:hsqldb:hsql://localhost/URLAccess", "SA", "");
statement = connection.createStatement();
resultSet = statement.executeQuery("SELECT referrer FROM Access");
while (resultSet.next()) {
System.out.println("referrer : "+ resultSet.getString("referrer"));
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
resultSet.close();
statement.close();
connection.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
运行下面的代码,但我得到以下异常 任何人都可以提出...
java.sql.SQLException: socket creation error
at org.hsqldb.jdbc.Util.sqlException(Unknown Source)
at org.hsqldb.jdbc.jdbcConnection.<init>(Unknown Source)
at org.hsqldb.jdbcDriver.getConnection(Unknown Source)
at org.hsqldb.jdbcDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at testdriver.Hsqldb.main(Hsqldb.java:20)
java.lang.NullPointerException
at testdriver.Hsqldb.main(Hsqldb.java:30)
WHAT我试图做的是运行此查询来获取我的Hypersql数据库中的表(访问)的细节,并试图运行上述代码时,我得到了上述异常。
请在这方面提供帮助。期待您的解决方案。
您需要指定端口号。在连接字符串中。例如。 '本地主机:5506'。 – user2339071