Sunday, December 11, 2011

Fixing libssl and libcrypto Errors in Datastax OpsCenter Startup

Update 2011-12-19: For 64-bit Amazon Linux AMI, install openssl0.9.8 by the command "sudo yum install openssl098e-0.9.8e-17.7.amzn1.x86_64". Thanks to thobbs from the datatax forum for this tip.

The AWS Linux AMI I use has openssl 1.0.0 but DataStax OpsCenter 1.3.1 requires version 0.9.8 of libssl and libcrypto. Why didn't they say so in the docs?? The worst customer experience you can give to your user base is to let your software blow up at startup like this:

Failed to load application: libcrypto.so.0.9.8: cannot open shared object file: No such file or directory

This problem was apparently reported a month ago:
http://www.datastax.com/support-forums/topic/issue-starting-opscenterd-service

But no action has been taken to correct it...sigh...

Here is how we can fix it temporarily on our own before the Cassandra devs get their acts together:

1) Install openssl 0.9.8
sudo yum install openssl098e-0.9.8e-17.7.amzn1.i686

2) Change to /usr/lib and manually create following two symbolic links:
sudo ln -s libssl.so.0.9.8e libssl.so.0.9.8
sudo ln -s libcrypto.so.0.9.8e libcrypto.so.0.9.8

Now OpsCenter will start without the dreaded ssl error.

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