Re: java.lang.OutOfMemoryError

I did try some thing as:

pool = [NSAutoreleasePool new];
anArray = [self giveMeAHugeArray];
/* proces the array with no new variables */
[pool release];

But the app crashes (with bussignal 10)... any idea?


On jueves, abri 10, 2003, at 12:31 America/Mexico_City, Chuck Hill 
wrote:

> Look at the docs for NSAutoreleasePool.  Wrap the inside of your loops 
> in an autorelease pool to clean up the temporary objects that you 
> create.  You will need to retain any objects created in the loop that 
> need to live after it.
>
> e.g.
> for(j=0;j<BLOQUES;j++){
>     // create pool
>     // processing here...
>     // release pool
> }
>
>
> Chuck
>
>
> Ricardo Strausz wrote:
>
>> Szia mindenki!
>> I just recived the following error:
>> 2003-04-10 10:50:48.720 Clientes[649] java/lang/OutOfMemoryError
>> Stack Trace:
>> java.lang.OutOfMemoryError
>> <<no stack trace available>>
>> I have to do some statistics in a not-to-log database (5,000 clients 
>> x 50,000 invoices) but I am running out of memory... well, from 
>> Java's point of view, becouse I have 512MB in RAM and 1.3GB in HD, 
>> and, at the end my disk is equal in size.
>> Is there some way to assign more memory to the JVM??
>> Does it uses my VM??
>> I show down my code; is there an ease way to do it more efficient??
>> Thanks in advance
>> Dino
>> - (IBAction)monto:(id)sender
>> {
>> NSArray* nsa = [dgClientes displayedObjects];
>> NSEnumerator* en = [nsa objectEnumerator];
>> id eo = nil;
>> NSArray* facturas = nil;
>> int i = 0;
>> int j = 0;
>> BOOL ok = YES;
>> int cambiaron = 0;
>> int MESES = [[forma cellAtIndex:0] intValue];
>> int BLOQUES = [[forma cellAtIndex:1] intValue];
>> if([nsa count]>0) eo = [en nextElement];
>> else return;
>> while(eo != nil){
>> facturas = [self ordena:[self facturasDe:eo] enBloquesDeTamanyo:MESES 
>> desde:[NSCalendarDate dateWithString:@"1 1 1996" calendarFormat:@"%m 
>> %d %Y"]];
>> if([facturas count]>BLOQUES){
>> for(i=0;i<[facturas count]-BLOQUES;i++){
>> for(j=0;j<BLOQUES;j++){
>> if([[facturas objectAtIndex:i+j] count]>0) ok = YES;
>> else {
>> ok = NO;
>> break;
>> }
>> }
>> if(ok){
>> [eo setGrupo:[NSNumber numberWithInt:MESES]];
>> cambiaron++;
>> break;
>> }
>> }
>> }
>> NS_DURING
>> eo = [en nextElement];
>> NS_HANDLER
>> eo = nil;
>> NS_ENDHANDLER
>> }
>> [[forma cellAtIndex:2] setIntValue:cambiaron];
>> }
>> - (NSArray*)facturasDe:(id)eo
>> {
>> NSString* nss = [NSString stringWithFormat:@"cliente=%@ and 
>> estado>0",[eo folio]];
>> id eoq = [EOQualifier qualifierWithQualifierFormat:nss:nil];
>> NSArray* nsa = nil;
>> [[dgFacturas dataSource] setAuxiliaryQualifier:eoq];
>> [dgFacturas fetch:self];
>> nsa = [dgFacturas displayedObjects];
>> return nsa;
>> }
>> - (NSArray*)ordena:(NSArray*)nsa
>> enBloquesDeTamanyo:(int)meses
>> desde:(NSCalendarDate*)desde
>> {
>> NSMutableArray* nsmaa = [NSMutableArray array];
>> NSMutableArray* nsmab = [NSMutableArray array];
>> NSCalendarDate* nscda = desde;
>> NSCalendarDate* nscdb = [nscda dateByAddingYears:0
>> months:meses
>> days:0
>> hours:0
>> minutes:0
>> seconds:0];
>> NSEnumerator* en = [nsa objectEnumerator];
>> id eo = nil;
>> NSCalendarDate* eoFecha = [NSCalendarDate alloc];
>> if([nsa count]>0) eo = [en nextElement];
>> else return nsmaa;
>> while(eo != nil){
>> [eoFecha initWithString:[[[eo fecha] toString] substringToIndex:11]
>> calendarFormat:@"%Y-%m-%d"];
>> if([[eoFecha laterDate:nscda] isEqual:eoFecha]
>> && [[eoFecha laterDate:nscdb] isEqual:nscdb]){
>> [nsmaa addObject:eo];
>> NS_DURING
>> eo = [en nextElement];
>> NS_HANDLER
>> eo = nil;
>> NS_ENDHANDLER
>> } else {
>> [nsmab addObject:nsmaa];
>> nsmaa = [NSMutableArray array];
>> nscda = nscdb;
>> nscdb = [nscda dateByAddingYears:0
>> months:meses
>> days:0
>> hours:0
>> minutes:0
>> seconds:0];
>> }
>> }
>> [eoFecha release];
>> return nsmab;
>> }
>
>
> -- 
>
> Chuck Hill                                 [email protected]
> Global Village Consulting Inc.             
> http://www.global-village.net
>
>
>
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