HSQLDB：.data文件访问被拒绝

Question

我有HSQLDB数据库，我无法打开。 SQL客户端抛出以下异常：

java.sql.SQLException: error in script file line: 32 file input/output errorerror c:\db\mydb.data (Access is denied) opening file - file c:\db\mydb.data 
at org.hsqldb.jdbc.Util.sqlException(Util.java:380) 
at org.hsqldb.jdbc.Util.sqlException(Util.java:103) 
at org.hsqldb.jdbc.JDBCConnection.<init>(JDBCConnection.java:3303) 
at org.hsqldb.jdbc.JDBCDriver.getConnection(JDBCDriver.java:321) 
at org.hsqldb.jdbc.JDBCDriver.connect(JDBCDriver.java:259) 
at org.eclipse.datatools.connectivity.drivers.jdbc.JDBCConnection.createConnection(JDBCConnection.java:214) 
at org.eclipse.datatools.connectivity.DriverConnectionBase.internalCreateConnection(DriverConnectionBase.java:105) 
at org.eclipse.datatools.connectivity.DriverConnectionBase.open(DriverConnectionBase.java:54) 
at org.eclipse.datatools.connectivity.drivers.jdbc.JDBCConnection.open(JDBCConnection.java:73) 
at org.eclipse.datatools.enablement.hsqldb.connection.HSQLDBJDBCConnectionFactory.createConnection(HSQLDBJDBCConnectionFactory.java:35) 
at org.eclipse.datatools.connectivity.internal.ConnectionFactoryProvider.createConnection(ConnectionFactoryProvider.java:83) 
at org.eclipse.datatools.connectivity.internal.ConnectionProfile.createConnection(ConnectionProfile.java:359) 
at org.eclipse.datatools.connectivity.ui.PingJob.createTestConnection(PingJob.java:76) 
at org.eclipse.datatools.connectivity.ui.PingJob.run(PingJob.java:59) 
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) 
Caused by: org.hsqldb.HsqlException: error in script file line: 32 file input/output errorerror  c:\db\mydb.data (Access is denied) opening file - file  c:\db\mydb.data 
at org.hsqldb.error.Error.error(Error.java:131) 
at org.hsqldb.scriptio.ScriptReaderText.readDDL(ScriptReaderText.java:151) 
at org.hsqldb.scriptio.ScriptReaderBase.readAll(ScriptReaderBase.java:65) 
at org.hsqldb.persist.Log.processScript(Log.java:759) 
at org.hsqldb.persist.Log.open(Log.java:159) 
at org.hsqldb.persist.Logger.openPersistence(Logger.java:288) 
at org.hsqldb.Database.reopen(Database.java:218) 
at org.hsqldb.Database.open(Database.java:185) 
at org.hsqldb.DatabaseManager.getDatabase(DatabaseManager.java:240) 
at org.hsqldb.DatabaseManager.newSession(DatabaseManager.java:157) 
at org.hsqldb.jdbc.JDBCConnection.<init>(JDBCConnection.java:3281) 
... 12 more 

第32行是对创建数据模型中的第一行，它包含创建缓存表声明。可能会导致什么？它可以治愈吗？ 需要恢复数据。

Answer 1

“访问被拒绝”通常表示您的文件是只读文件，或者已经被其他进程打开（例如病毒检查程序）。有时Windows本身会锁定文件，只能通过重新启动机器才能解锁文件。