JavaNoInitialContextException中带有SQLite的sql2o

JavaNoInitialContextException中带有SQLite的sql2o,java,sqlite,sql2o,Java,Sqlite,Sql2o,到目前为止,我已经获得了以下代码片段: Sql2o sql2o = new Sql2o("jdbc:sqlite:test.db"); try (Connection connection = sql2o.open()) { for (Column column : connection.createQuery("SELECT * FROM sometable").executeAndFetchTable().columns()) System.out.println(

到目前为止,我已经获得了以下代码片段:

Sql2o sql2o = new Sql2o("jdbc:sqlite:test.db");

try (Connection connection = sql2o.open()) {
    for (Column column : connection.createQuery("SELECT * FROM sometable").executeAndFetchTable().columns())
        System.out.println(column.toString());
}
我正在使用这些依赖项:

<dependency>
    <groupId>org.sql2o</groupId>
    <artifactId>sql2o</artifactId>
    <version>1.5.4</version>
</dependency>
<dependency>
    <groupId>org.xerial</groupId>
    <artifactId>sqlite-jdbc</artifactId>
    <version>3.15.1</version>
</dependency>

org.sql2o
sql2o
1.5.4
org.xerial
sqlite jdbc
3.15.1
但是,在执行时,这会抛出一个NoInitialContextException。堆栈跟踪:

Exception in thread "main" java.lang.RuntimeException: javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file:  java.naming.factory.initial
        at org.sql2o.JndiDataSource.getJndiDatasource(JndiDataSource.java:27)
        at org.sql2o.Sql2o.<init>(Sql2o.java:36)
        at me.mypackage.sqlitetest.SqliteTest.main(SqliteTest.java:11)
Caused by: javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file:  java.naming.factory.initial
        at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
        at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
        at javax.naming.InitialContext.getURLOrDefaultInitCtx(Unknown Source)
        at javax.naming.InitialContext.lookup(Unknown Source)
        at org.sql2o.JndiDataSource.getJndiDatasource(JndiDataSource.java:24)
        ... 2 more
线程“main”java.lang.RuntimeException中的异常:javax.naming.NoInitialContextException:需要在环境或系统属性中指定类名,或作为小程序参数,或在应用程序资源文件中指定类名:java.naming.factory.initial
位于org.sql2o.JndiDataSource.getJndiDatasource(JndiDataSource.java:27)
在org.sql2o.sql2o.(sql2o.java:36)
at me.mypackage.sqlitetest.sqlitetest.main(sqlitetest.java:11)
原因:javax.naming.NoInitialContextException:需要在环境或系统属性中指定类名,或作为小程序参数,或在应用程序资源文件中指定类名:java.naming.factory.initial
位于javax.naming.spi.NamingManager.getInitialContext(未知源)
位于javax.naming.InitialContext.getDefaultInitCtx(未知源)
位于javax.naming.InitialContext.getURLOrDefaultInitCtx(未知源)
位于javax.naming.InitialContext.lookup(未知源)
位于org.sql2o.JndiDataSource.getJndiDatasource(JndiDataSource.java:24)
... 还有两个

如何解决此问题?

尝试更换此线路

Sql2o sql2o = new Sql2o("jdbc:sqlite:test.db");


这个类有一个构造函数,它只接受一个字符串,但是这个字符串是一个JNDI名称,而不是JDBC连接URL。另一个构造函数接受三个字符串,分别是连接URL、用户名和密码。SQLite不使用用户名和密码,因此我们可以为它们指定
null
值。

谢谢!我一定在MySQL示例中忽略了这一点,因为我认为它在没有凭据的情况下也可以工作,因为不需要这样做。。。该死
Sql2o sql2o = new Sql2o("jdbc:sqlite:test.db", null, null);