Since it is very timing sensitive, it does not always happen. I would
imagine that a multi-threaded transactions that attempts to create the same
record in a table would reproduce it.

Meni

On Mon, May 25, 2015 at 10:43 PM, Thomas Mueller <
[email protected]> wrote:

> Hi,
>
> Could you provide a simple, small, reproducible test case please?
>
> Regards,
> Thomas
>
>
> On Monday, May 25, 2015, Meni Hillel <[email protected]> wrote:
>
>> Thanks Jose.
>>
>> I saw this issue and I did not think it applied to me. In my case, it
>> does not skip in 32, there was no crash. I think the cause in my case is
>> related to concurrency.
>>
>> Meni
>>
>> On Mon, May 25, 2015 at 7:16 AM, Jose Schiavon <[email protected]>
>> wrote:
>>
>>> This has been discussed in Stack Overflow
>>> Here's the link:
>>> http://stackoverflow.com/questions/11653892/bug-in-h2-database-the-auto-increment-field-is-incremented-by-32
>>> Hope this helps
>>>
>>>
>>> On Sunday, 24 May 2015 17:46:17 UTC-5, Meni Hillel wrote:
>>>>
>>>> Hi,
>>>>
>>>> I am encountering an issue with auto increment identity field. It seems
>>>> that if multiple concurrent transaction happens all at once, the number
>>>> generate is not being incremented correctly (+1). Instead, it starts at
>>>> 1,then jumps to 349 if the transactions are committed 4 milliseconds apart.
>>>> It seems that if transaction are not concurrent, behavior is correct.
>>>>
>>>> This is my JDBC connection string
>>>> jdbc:h2:./myDB;MVCC=TRUE;LOCK_TIMEOUT=10000;
>>>>
>>>> Please let me know what additional information you need to diagnose.
>>>>
>>>>
>>>> Thanks,
>>>> Meni
>>>>
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