No .bash_profile poderá inserir O ENCODING :

export LANG=pt_BR.UTF-8

No Server.xml
URIEncoding=”UTF-8″

<Connector port="8080" maxHttpHeaderSize="8192" maxThreads="150" minSpareThreads="25" maxSpareThreads="75" enableLookups="false" redirectPort="8443" acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true"
    URIEncoding="UTF-8"/>