ISSUE:
When trying to connect to an Oracle database you receive the following error: "OCIEnvCreate failed with return code -1 but error message text was not available"
CAUSE:
转自:https://community.landesk.com/support/docs/DOC-24808
Oracle Error - "OCIEnvCreate failed with return code -1 but error message text was not available".
原文:http://www.cnblogs.com/shangshen/p/4916116.html