Socket errors running "openssl s_client -showcerts"

I have a .PEM file that I want to install on a Tomcat server. The file looks something like this:

friendlyName:
subject=CN=myserver.ca.example.com, OU=servers, O=Example, C=US
issuer=CN=Example Basic Assurance Software Issuing CA G3, OU=certservers, O=Example, C=US
-----BEGIN CERTIFICATE-----
xxxxxxxx
-----END CERTIFICATE-----
subject=CN=Example Basic Assurance Software Issuing CA G3, OU=certservers, O=Example, C=US
issuer=CN=Example Basic Assurance Software Root CA G2, OU=certservers, O=Example, C=US
-----BEGIN CERTIFICATE-----
xxxxxxxx
-----END CERTIFICATE-----
subject=CN=Example Basic Assurance Software Root CA G2, OU=certservers, O=Example, C=US
issuer=CN=Example Basic Assurance Software Root CA G2, OU=certservers, O=Example, C=US
-----BEGIN CERTIFICATE-----
xxxxxxxx
-----END CERTIFICATE-----
-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: DES-EDE3-CBC,E2EC8A310F02CA01
xxxxxxxx
-----END RSA PRIVATE KEY-----

When I run the command "openssl s_client -showcerts -cert myserver.pem", I get this:

Enter pass phrase for myserver.pem:
socket: Bad file descriptor
connect:errno=9

I'm not sure why I'm getting this when I just want to show the certificates in the file. I've tried various options, such as -prexit, and I'm not seeing anything useful. Do I need to extract the root certificate and install it somewhere? If so, where? Or is my problem something completely different?

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