Could not create the Java virtual machine

Question

facing some problem with java virtual machine initialization  when i am using root account i can properly work with java  but when i am a user account it returns following errors  user host   JAVA HOME bin java -version Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine    It does not seems like a memory issue as the same command works with root account  Available memory  free -m  is more than 1200MB Also i have tried increasing the JVM memory limits

User · Answer

I had this issue today  and for me the problem was that I had allocated too much memory   -Xmx1024M -XX MaxPermSize 1024m  Once I reduced the PermGen space  everything worked fine   -Xmx1024M -XX MaxPermSize 512m  I know that doesn t look like much of a difference  but my machine only has 4GB of RAM  and apparently that was the straw that broke the camel s back  The Java VM was failing immediately upon every action because it was failing to allocate the memory

User · Answer

Make sure the physical available memory is more then VM defined min max memory

User · Answer

The problem got resolved when I edited the file  etc bashrc with same contents as in  etc profiles and in  etc profiles d limits sh and did a re-login

User · Answer

Set the JVM memory   export  JAVA OPTIONS -Xmx512M

User · Answer

Just be careful  You will get this message if you try to enter a command that doesn t exist like this   usr bin java -v

[java] Could not create the Java virtual machine

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