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I am having problems trying to run java as a normal user on linux. It runs fine as root user but not as a regular user.

Any help would be apreciated.

Thanks

root@pro1 [~]# which java
/usr/local/jdk/bin/java
root@pro1 [~]# java -version
java version "1.6.0_22"
Java(TM) SE Runtime Environment (build 1.6.0_22-b04)
Java HotSpot(TM) 64-Bit Server VM (build 17.1-b03, mixed mode)
root@pro1 [~]# su istream
istream@xxxxxxxxx [/root]# which java
/usr/local/jdk/bin/java
istream@xxxxxxxxx [/root]# java -version
Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.
istream@xxxxxxxxx [/root]#

Update:

Yes, limits was the problem.. The server is running cpanel and that is imposing some pretty strict limits on users.

Thanks for the info.

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  • have you tried, as the regular user, to do 'java -version' while in some other directory than /root?
    – BenGC
    Jan 10, 2011 at 23:43
  • Yes it is the same even from the users home dir or form anywhere else on the system. Have also tried ./java -version form the java bin dir.
    – Roger
    Jan 11, 2011 at 0:03
  • If you installed java from a repository, you'd better notify the maintainer.
    – halp
    Jan 11, 2011 at 3:08

1 Answer 1

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Are there any resource limitations in place for the istream user (run ulimit -a and compare) which root doesn't have, possibly virtual memory (RLIMIT_AS / ulimit -v) ?

If so, check if it gets applied by /etc/security/limits.conf and if you can make an exception for the istream user.

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  • Could not reserve enough space for object heap means you don't have enough memory. Besides the ulimit part, try to start java with -Xms12m -Xmx12m. Use this only for the -version test. This way the jvm will only allocate 12MB.
    – Christian
    Jan 11, 2011 at 7:47
  • +1, I have also seen this exact problem caused by limits Jan 11, 2011 at 12:44

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