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

Sir,

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:

https://esupport.trendmicro.com/en-us/home/pages/technical-support/1038680.aspx

Next make sure you download the correct version of the IDV

http://www.unidata.ucar.edu/downloads/idv/current/index.jsp

------------------------------------------------------------------------
 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 
idv.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
describe.)

Best,

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