Here is log of issue with java -version at the end
$ ./test/bin/java -Xshare:on
An error has occurred while processing the shared archive file.
Unable to map ReadOnly shared space at required address.
Error occurred during initialization of VM
Unable to use shared archive.
$ ./test/bin/java -version
java version "1.8.0-ea-fastdebug"
Java(TM) SE Runtime Environment (build 1.8.0-ea-fastdebug-b55)
Java HotSpot(TM) Client VM (build 25.0-b01-internal-201209072051.cphillim.gc-hea
p_size-fastdebug, mixed mode)
To reproduce please login into jtg-x2200-01 and use current session to reproduce. The host is disabled from execution.