Here is log of issue with java -version at the end gtee@jtg-x2200-01 /cygdrive/c/local/common/jdk/baseline $ ./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. gtee@jtg-x2200-01 /cygdrive/c/local/common/jdk/baseline $ ./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.