[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[IDV #JKN-535702]: idv couldn't run


You may be using a 32-bit version of Java possibly on a 64-bit machine
though I cannot be sure because you did not supply much information.

First, determine if your machine is 32-bit or 64-bit:


Next make sure you download the correct version of the IDV


 computer architecture  Version of the IDV                              
 32-bit                 IDV 5.2 Installer for Windows XP/Vista/7        
 64-bit                 IDV 5.2 Installer for 64-bit Windows XP/Vista/7 

Once you have downloaded the IDV it should be sufficient to start the
IDV via the IDV icon. However, it appears you are starting the IDV from
the Windows command prompt

| jre\bin\java -Xmx1536m -XX:+DisableExplicitGC -Didv.enableStereo=false -jar 

If you choose to do that and you are on a 32 bit machine `-Xmx1536m' is
too much and you will have to supply a smaller number (e.g.,
`-Xmx1200m'). (Java cannot use the entire memory capacity available on
your computer, or else it will fail to start, possibly in the manner you


Unidata IV Support

> > > Hi,
> > > An error messenage occurred when I try to run idv:
> > >
> > > "D:IDV_5.2>jre\bin\java -Xmx1536m -XX:+DisableExplicitGC 
> > > -Didv.enableStereo=
> > >
> > > false -jar idv.jar
> > >
> > > Error occurred during initialization of VM
> > > Could not reserve enough space 1572864KB for object heap"
> > >
> > > However,I have 7.89GB RAM and it worked yesterday.I already uninstall
> > > and reinatall again and also reboot computer but error still exits.
> > >
> > >
> > Hi there,
> >
> > Please delete the .unidata folder and test your IDV again. The problem is 
> > that you were trying to run the IDV with 15G memory and your computer only
> > has 8G memory.
> >
> >
> > Yuan
> Sorry I read the number incorrectly. However, deleting or renaming the 
> .unidata folder should help.
> Yuan

Ticket Details
Ticket ID: JKN-535702
Department: Support IDV
Priority: Normal
Status: Closed

NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.