R help - Aug 2012 - Cannot create Java virtual machine (-1)

All,

I am trying to get the XLConnect package to work on one of my servers and I am
getting an error that XLConnectJars cannot create the java virtual machine.  The
server is a 32-bit Windows  Server 2003 machine with R 2.15.1.  The version of
Java installed on the server is J2SE Environment 5.0 update 8.  I know this not
the latest version of Java, and I will try to update it when I get exclusive
access to the server, but in the meantime is there anything else anyone can
suggest for this error?


Loading required package: XLConnectJars
Loading required package: rJava
Error : .onLoad failed in loadNamespace() for 'XLConnectJars', details:
  call: .jinit()
  error: Cannot create Java virtual machine (-4)
Error: package 'XLConnectJars' could not be
loaded
> library(rJava)
> library(XLConnect)
Loading required package: XLConnectJars
Error : .onLoad failed in loadNamespace() for 'XLConnectJars', details:
  call: .jinit()
  error: Cannot create Java virtual machine (-1)
Error: package 'XLConnectJars' could not be
loaded
> library(XLConnectJars)
Error : .onLoad failed in loadNamespace() for 'XLConnectJars', details:
  call: .jinit()
  error: Cannot create Java virtual machine (-1)
Error: package/namespace load failed for
'XLConnectJars'
> .jinit()
Error in .jinit() : Cannot create Java virtual machine (-1)

Thanks,

Roger



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Hi Roger,

note that since version 0.1-7 of XLConnect Java 1.6 is required - it won't
work with Java 1.5. However, the problem you describe is another one. It's
most likely related to your Java setup/configuration and therefore
independent of XLConnect. You can verify this by running the following
statements in R:

library(rJava)
.jinit()

You should actually see the same error message. What version of rJava are
you using and do you have any environment variables like JAVA_HOME or PATH
set? Also the output of sessionInfo() could be of interest.

Best regards,
Martin



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