/usr/local/hadoop/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard

[Madhu Borkar]

I am using openjdk and DT demos work fine but I get this warning all the time. How to fix this one?
I checked the lib. It exists and has right permissions?

OpenJDK 64-Bit Server VM warning: You have loaded library /usr/local/hadoop/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.
14/01/02 15:30:49 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

Thanks

[Chetan Narsude]

Sounds like the only thing you can do is “sudo execstack –c /usr/local/hadoop/lib/native/libhadoop.so.1.0.0”

 

Can you try it and let us know if it works?

 

More information: http://linux.die.net/man/8/execstack

 

--

Chetan

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[Madhu Borkar]

execstack: cannot open "–c": No such file or directory
- /usr/local/hadoop/lib/native/libhadoop.so.1.0.0
Even though file exists I get this error?