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InstantDB: How to recover form a corrupted DB


Maybe I miss something. But I do some work while my DB was still access by
an other JVM.
Now I connot recover the DB, raising an exception like this :

java.sql.SQLException: Internal error header recLength=0
Computed record length should be 101
Table: Article
 at org.enhydra.instantdb.jdbc.idbConnection.<init>(idbConnection.java:88)
 at org.enhydra.instantdb.jdbc.idbDriver.connect(idbDriver.java:40)
 at java.sql.DriverManager.getConnection(DriverManager.java:517)
 at java.sql.DriverManager.getConnection(DriverManager.java:177)


How is it possible to get the Data ????

If such concurrent accesses by multiple JVM is so dangerous, why not lock
IDB to the current JVM (lock in a file for example ...)

Thanks for help



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