Here's an example of a full stack trace when this occurs:
Caused by: org.h2.jdbc.JdbcSQLException: The database is read only; SQL
statement:
SELECT DISTINCT "ContentMentions".ID, "ContentMentions".Length FROM
"ContentMentions" [90097-150]
at
org.h2.message.DbException.getJdbcSQLException(DbException.java:327)
at org.h2.message.DbException.get(DbException.java:167)
at org.h2.message.DbException.get(DbException.java:144)
at org.h2.message.DbException.get(DbException.java:133)
at
org.h2.engine.Database.checkWritingAllowed(Database.java:1616)
at org.h2.store.PageStore.logUndo(PageStore.java:1005)
at org.h2.store.PageFreeList.allocate(PageFreeList.java:96)
at org.h2.store.PageStore.allocatePage(PageStore.java:1138)
at org.h2.store.PageStore.allocatePage(PageStore.java:1123)
at org.h2.index.PageDataIndex.<init>(PageDataIndex.java:69)
at org.h2.table.RegularTable.<init>(RegularTable.java:90)
at org.h2.schema.Schema.createTable(Schema.java:551)
at org.h2.result.ResultTempTable.<init>(ResultTempTable.java:56)
at org.h2.result.LocalResult.addRow(LocalResult.java:238)
at org.h2.command.dml.Select.queryFlat(Select.java:509)
at org.h2.command.dml.Select.queryWithoutCache(Select.java:597)
at org.h2.command.dml.Query.query(Query.java:256)
at org.h2.command.dml.Query.query(Query.java:226)
at org.h2.command.dml.Query.query(Query.java:37)
at
org.h2.command.CommandContainer.query(CommandContainer.java:78)
at org.h2.command.Command.executeQuery(Command.java:178)
at org.h2.jdbc.JdbcStatement.executeQuery(JdbcStatement.java:77)
Thanks,
Valentin
On Tue, 2011-05-17 at 12:42 +0100, Valentin Tablan wrote:
> Hi all,
>
> While executing a SELECT query on a read-only database, I'm getting an
> exception saying the DB is read-only:
>
> org.h2.jdbc.JdbcSQLException: The database is read only; SQL statement:
> SELECT DISTINCT "DocumentMentions".ID, "DocumentMentions".Length FROM
> "DocumentMentions" WHERE "DocumentMentions".L2_ID IS NULL [90097-150]
>
> I would have thought that one can run SELECT queries on read-only DBs.
> Is that not the case?
>
> Other similar queries do not cause the error, so I'm a bit confused as
> to what the cause may be.
>
> Any ideas?
>
> thanks,
> Valentin
>
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