I am trying to replace standard JVM of jdk1.8.0_112 with Dynamic Code Evolution VM using
DCEVM-light-8u112-installer.jar
but when i checked jvm version after patching with command
c:>java -version
it is still showing same Server VM as below
1 java version "1.8.0_112"
2 Java(TM) SE Runtime Environment (build 1.8.0_112-b15)
3 Java HotSpot(TM) 64-Bit Server VM (build 25.112-b15, mixed mode)
at line number 3, i am expecting type of Server VM as
Dynamic Code Evolution 64-Bit Server VM (build 25.71-b01-dcevmlight-10, mixed mode)
please guide me on this
The light version of the DCEVM project provides a single jvm.dll
file that is a replacement for the default jvm.dll
file included with Oracle/OpenJDK JDKs. The light version does not overwrite the file included with the JDK/JRE installation but rather installs the DCEVM JVM as an alternate implementation. Therefore, java -version
will continue to show the default Java version details.
If DCEVM was installed successfully, java -version -XXaltjvm=dcevm
will show the DCEVM version details, as expected.
java -version
will return the DCEVM JVM version details if the full version of DCEVM is installed. Currently the DCEVM project provides full binaries only for Java 7. However, there is very little functional difference between the light and full versions so there is no real need to install the full version.
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