Please response
On Wednesday, February 4, 2015 at 12:45:01 PM UTC+7, Duc Nguyen wrote:
>
> Hi,
>
> Our customer has reported that our application doesn't work correctly.
> Examining the database that customer sent us, we found lots of "Table not
> found [42102-169]" errors (I literally believe that all the errors recorded
> by trace files are [42102-169] by counting the number of error
> occurrences). Some sample error traces:
>
> 01-03 09:36:26 jdbc[2]: exception
> org.h2.jdbc.JdbcSQLException: Table "REVDNSINFO" not found; SQL statement:
> SELECT * FROM RevDnsInfo WHERE IpAddress='172.23.32.189' [42102-169]
> 01-03 09:36:26 jdbc[2]: exception
> org.h2.jdbc.JdbcSQLException: Table "REVDNSINFO" not found; SQL statement:
> insert into RevDnsInfo (IpAddress,IpName,InfoTime,NeedTime) values
> ('172.23.32.189','','1969-12-31 19:00:00.000','1969-12-31 19:00:00.000')
> [42102-169]
> 01-03 09:36:26 jdbc[2]: exception
> org.h2.jdbc.JdbcSQLException: Table "REVDNSINFO" not found; SQL statement:
> SELECT * FROM RevDnsInfo WHERE IpAddress='172.23.32.77' [42102-169]
> 01-03 09:36:26 jdbc[2]: exception
> org.h2.jdbc.JdbcSQLException: Table "REVDNSINFO" not found; SQL statement:
> insert into RevDnsInfo (IpAddress,IpName,InfoTime,NeedTime) values
> ('172.23.32.77','','1969-12-31 19:00:00.000','1969-12-31 19:00:00.000')
> [42102-169]
> 01-03 09:36:26 jdbc[2]: exception
> org.h2.jdbc.JdbcSQLException: Table "REVDNSINFO" not found; SQL statement:
> SELECT * FROM RevDnsInfo WHERE IpAddress='172.23.33.25' [42102-169]
> 01-03 09:36:26 jdbc[2]: exception
> org.h2.jdbc.JdbcSQLException: Table "REVDNSINFO" not found; SQL statement:
> insert into RevDnsInfo (IpAddress,IpName,InfoTime,NeedTime) values
> ('172.23.33.25','','1969-12-31 19:00:00.000','1969-12-31 19:00:00.000')
> [42102-169]
> 01-03 09:36:26 jdbc[2]: exception
> org.h2.jdbc.JdbcSQLException: Table "REVDNSINFO" not found; SQL statement:
> SELECT * FROM RevDnsInfo WHERE IpAddress='172.23.33.74' [42102-169]
> 01-03 09:36:26 jdbc[2]: exception
> org.h2.jdbc.JdbcSQLException: Table "REVDNSINFO" not found; SQL statement:
> insert into RevDnsInfo (IpAddress,IpName,InfoTime,NeedTime) values
> ('172.23.33.74','','1969-12-31 19:00:00.000','1969-12-31 19:00:00.000')
> [42102-169]
>
>
> Some information about our database connection:
> Version: Embedded H2, version 1.3.169
> URL: jdbc:h2:/database_directory/Omnxxx;LOCK_TIMEOUT=5000(where
> Omnxxx is database name)
> Use Connection Pool: Yes, size=256
> Use DB Schema: Yes
> Use AutoCommit: Yes
> Other configurations: No
> OS on which application is running: RedHat 5.7 x64
>
> I had done some search on both this group and Google, but found no case
> where root cause of issue matches with the case I'm working on. There are
> some simple troubleshooting questions that I can answer here:
> > Is the database corrupted?
> No because application was able to establish connection to DB using
> connection URL above
> > Is the schema wrong ?
> No because our application was released years ago and there are few error
> reports regarding SQL database issue, the schema isn't exposed to end user
> > Is connection URL correct?
> Yes
>
> Also, I noticed that while [42102-169] errors were written out to trace
> file, there were also success queries (by checking datemodified timestamp
> of many entries of reported tables). That means that not all executed
> queries failed.
> Second, for few cases that have reported with same errors, I found that
> they are all have pretty big database, for this case database file is
> ~400MB, for the other cases, size of h2 database files are even bigger.
>
> I'm looking for a root cause analysis, if not then just some insights,
> probably possible causes of this "Table not found" issue (other than wrong
> database name, empty database, incorrect schema), to further figure out the
> steps I need to take to debug this issue from our end.
>
> Thank you.
>
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