[英]H2 connection fails
我正在尝试使用简单的代码连接到本地H2数据库:
Class.forName("org.h2.Driver");
Connection conn = DriverManager.getConnection("jdbc:h2:~/test", "sa", "");
另一方面,我还使用自己的jdbc驱动程序连接到远程Oracle服务器。 在我的理解中,由于jdbc驱动程序不同,并且根据连接URL使用了正确的驱动程序,因此两者可以共存。 因此,这不应成为我问题的根源。
失败并显示以下错误:
org.h2.jdbc.JdbcSQLException: File corrupted while reading record: "[16] stream data key:7 pos:11 remaining:0". Possible solution: use the recovery tool [90030-190]
at org.h2.message.DbException.getJdbcSQLException(DbException.java:345)
at org.h2.message.DbException.get(DbException.java:179)
at org.h2.message.DbException.get(DbException.java:155)
at org.h2.index.PageBtreeIndex.getPage(PageBtreeIndex.java:156)
at org.h2.index.PageBtreeIndex.<init>(PageBtreeIndex.java:69)
at org.h2.table.RegularTable.addIndex(RegularTable.java:234)
at org.h2.store.PageStore.addMeta(PageStore.java:1738)
at org.h2.store.PageStore.readMetaData(PageStore.java:1637)
at org.h2.store.PageStore.recover(PageStore.java:1405)
at org.h2.store.PageStore.openExisting(PageStore.java:367)
at org.h2.store.PageStore.open(PageStore.java:288)
at org.h2.engine.Database.getPageStore(Database.java:2464)
at org.h2.engine.Database.open(Database.java:672)
at org.h2.engine.Database.openDatabase(Database.java:269)
at org.h2.engine.Database.<init>(Database.java:263)
at org.h2.engine.Engine.openSession(Engine.java:65)
at org.h2.engine.Engine.openSession(Engine.java:175)
at org.h2.engine.Engine.createSessionAndValidate(Engine.java:153)
at org.h2.engine.Engine.createSession(Engine.java:136)
at org.h2.engine.Engine.createSession(Engine.java:28)
at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:349)
at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:107)
at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:91)
at org.h2.Driver.connect(Driver.java:72)
at java.sql.DriverManager.getConnection(DriverManager.java:664)
at java.sql.DriverManager.getConnection(DriverManager.java:247)
我仍然可以使用在端口8082上运行的Web控制台进行连接。
好吧,我找到了解决问题的方法:将连接网址更改为
"jdbc:h2:tcp://localhost/~/test"
根据H2功能•数据库URL概述 ,有许多可用的URL表达式,以下是一些示例:
jdbc:h2:~/test
jdbc:h2:file:/data/sample
jdbc:h2:file:C:/data/sample
(仅Windows) jdbc:h2:mem:test_mem
jdbc:h2:tcp://localhost/~/test
jdbc:h2:tcp://dbserv:8084/~/sample
jdbc:h2:tcp://localhost/mem:test
还有很多,请检查上面的链接以查看完整列表。
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