Re: [Rd] problem using rJava with parallel::mclapply

2014-06-19 Thread Jeroen Ooms
On Mon, Nov 11, 2013 at 6:20 PM, Simon Urbanek wrote: > > It’s a limitation of the Java runtime - you cannot fork a JVM. This is true > for most libraries that use long-lived threads or any kind if UI (see the > warnings in mcfork). Is there some way to reset or restart the JVM within the fork?

Re: [Rd] problem using rJava with parallel::mclapply

2013-11-11 Thread Simon Urbanek
On Nov 11, 2013, at 12:40 PM, Karl Forner wrote: > Dear all, > > I got an issue trying to parse excel files in parallel using XLConnect, the > process hangs forever. > Martin Studer, the maintainer of XLConnect kindly investigated the issue, > identified rJava as a possible cause of the problem

Re: [Rd] problem using rJava with parallel::mclapply

2013-11-11 Thread Karl Forner
d=237) > "-Xrs") > > > ~Malcolm > > > > >-Original Message- > >From: r-devel-boun...@r-project.org [mailto: > r-devel-boun...@r-project.org] On Behalf Of Karl Forner > >Sent: Monday, November 11, 2013 11:41 AM > >To: r-devel

Re: [Rd] problem using rJava with parallel::mclapply

2013-11-11 Thread Cook, Malcolm
;Behalf Of Karl Forner >Sent: Monday, November 11, 2013 11:41 AM >To: r-devel@r-project.org >Cc: Martin Studer >Subject: [Rd] problem using rJava with parallel::mclapply > >Dear all, > >I got an issue trying to parse excel files in parallel using XLConnect, the >p

[Rd] problem using rJava with parallel::mclapply

2013-11-11 Thread Karl Forner
Dear all, I got an issue trying to parse excel files in parallel using XLConnect, the process hangs forever. Martin Studer, the maintainer of XLConnect kindly investigated the issue, identified rJava as a possible cause of the problem: This does not work (hangs): library(parallel) require(rJava)