[英]H2 connection fails
我正在嘗試使用簡單的代碼連接到本地H2數據庫:
Class.forName("org.h2.Driver");
Connection conn = DriverManager.getConnection("jdbc:h2:~/test", "sa", "");
另一方面,我還使用自己的jdbc驅動程序連接到遠程Oracle服務器。 在我的理解中,由於jdbc驅動程序不同,並且根據連接URL使用了正確的驅動程序,因此兩者可以共存。 因此,這不應成為我問題的根源。
失敗並顯示以下錯誤:
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上運行的Web控制台進行連接。
好吧,我找到了解決問題的方法:將連接網址更改為
"jdbc:h2:tcp://localhost/~/test"
根據H2功能•數據庫URL概述 ,有許多可用的URL表達式,以下是一些示例:
jdbc:h2:~/test
jdbc:h2:file:/data/sample
jdbc:h2:file:C:/data/sample
(僅Windows) jdbc:h2:mem:test_mem
jdbc:h2:tcp://localhost/~/test
jdbc:h2:tcp://dbserv:8084/~/sample
jdbc:h2:tcp://localhost/mem:test
還有很多,請檢查上面的鏈接以查看完整列表。
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