Category: Java Blog

ORA-28040: No matching authentication protocol Oracle 12c

ORA-28040: No matching authentication protocol after upgrade to 12c. From oracle 12.X, the default value for the SQLNET.ALLOWED_LOGON_VERSION parameter has been updated to 11. It defines the minimum version of authentication protocol permitted to access the database. Prior to version 12c the default setting for SQLNET.ALLOWED_LOGON_VERSION (the equivalent parameter prior to 12c) was 8. In 12c the default […]

After upgrading struts2 to latest version s:submit not working

Due to security vulnerabilities, struts2 needs to be upgraded to latest versions i.e vulnerable free (2.3.32 or 2.5.10.1) which is vulnerabilities free. After upgrading s:submit action button will not work because it is disabled by default due to security vulnerabilities. Example <s:submit align=”center” action=’Login_loginUser’ value=”Login”/>   So that to make it as working, we need […]