I mean iam writing data into multiple sheets and if total no of rows is
>=5lakh iam getting out of memory error.So can u please tell me how to avoid
this error while using POI

Thanks 
Suresh G


Anthony Andrews wrote:
> 
> Manesh is correct. Just checked with Microsoft and the maximum number of
> rows in a sheet is 65,536 and the maximum number of columns is 256.
> Further, it is not possible to increase either of these limits.
> 
> If you are trying to write this amount of data onto a single sheet then
> you will have to re-consider the design and split it across several sheets
> IMO.
> 
> --- On Thu, 7/10/08, Mahesh Ganapathy <[EMAIL PROTECTED]> wrote:
> From: Mahesh Ganapathy <[EMAIL PROTECTED]>
> Subject: Re: Its urgent===Please  help
> To: "POI Users List" <[email protected]>
> Date: Thursday, July 10, 2008, 11:28 PM
> 
> I thought excel could have only 65536 rows per sheet. To start with, can
> POI
> write more than 65536 rows to an excel work sheet? If it does not check
> this
> limit on excel and you do manage to write 500000 rows, office might not be
> able
> to open the document properly. This is assuming that you are trying to
> write
> 500K rows to one sheet.
> Sent via BlackBerry
> 
> -----Original Message-----
> From: suriz4u <[EMAIL PROTECTED]>
> 
> Date: Thu, 10 Jul 2008 22:39:38 
> To: <[email protected]>
> Subject: Re: Its urgent===Please  help
> 
> 
> 
> What is your java command line exactly?
> -Xms256m -Xmx1500m
> 
> Also, is your xls formatted or plain?
> Formatted with alternate rows having colors , 2 fields having
> numericalformat , 2 having dates format and 2 having currency format
> How many columns on each row?
> 15 columns
> 
> 
> 
> David Fisher wrote:
>> 
>> Did you try 1500M? If you did 1500 then that is thousands and equal  
>> to1.5 lakh. Not enough is it?
>> 
>> Regards,
>> Dave
>> 
>> On Jul 11, 2008, at 12:16 AM, suriz4u wrote:
>> 
>>>
>>> Yeah its 5lakh rows.I increased my heap size to 1500 as i have only  
>>> 2gb
>>> ram.Then also iam getting out of memory error.Is there any way to  
>>> get rid of
>>> this problem with POI ? ,if there is any solution please help me.Or  
>>> is it
>>> advisable to use other API's .If it is advisable can u please  
>>> suggest me
>>> which api is better to use and why?.Please give me detailed  
>>> explanation.
>>> Any suggestions would help me a lot.........
>>>
>>> Thanks
>>> Suresh Gaddam
>>>
>>>
>>>
>>> apachemail wrote:
>>>>
>>>> I believe you are correct about 500,000.  That many rows is most 
> 
>>>> likely
>>>> going to take much more memory than 1MB.
>>>>
>>>> -----Original Message-----
>>>> From: Kendall Coolidge <[EMAIL PROTECTED]>
>>>> Sent: Thursday, July 10, 2008 10:20 AM
>>>> To: POI Users List <[email protected]>
>>>> Subject: RE: Its urgent===Please  help
>>>>
>>>> How many rows are you trying to write?  Does 5 lakh mean 500,000?
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: suriz4u [mailto:[EMAIL PROTECTED]
>>>> Sent: Thursday, July 10, 2008 9:33 AM
>>>> To: [email protected]
>>>> Subject: Re: Its urgent===Please help
>>>>
>>>>
>>>> I checked with 1024 memory .But i am getting error if i have 5
> lakh  
>>>> rows
>>>> of
>>>> data.If rows are less iam getting no problem.Other wise iam
> getting  
>>>> out
>>>> of
>>>> memory.Can i get the solution please..??
>>>>
>>>>
>>>>
>>>> Nick Burch wrote:
>>>>>
>>>>> On Thu, 10 Jul 2008, suriz4u wrote:
>>>>>>  In my application iam using POI to generate excel
> sheet.Iam  
>>>>>> writing
>>>>>> work
>>>>>> book into ByteArrayOutputStream after processing the
> rows.But if i
>>>> have 5
>>>>>> lakh rows to write.Iam getting out of memory error.
>>>>
>>>>
>>>> [The entire original message is not included]
>>>>
>>>>
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