it looks like your application is using a DB2 database. The file libdb2.so is related to the JDBC-driver. Please check the location of that shared-object and verify that the path is listed in the LD_LIBRARY_PATH environment variable. It seems that Java can't find the file in the LD_LIBRARY_PATH. Greetings, Thomas ________________________________ Von: Kumawat, Priyanka <priyanka.kuma...@dxc.com> Gesendet: Montag, 7. März 2022 19:48 An: Tomcat Users List Betreff: Tomcat - Error Hello Team , We are getting the below error on the tomcat Catalina .out logs , needed your help as is there any lib file corrupted , can you please help us on this error - this has occurred on production env. WsUtils(getUserName)-> authentication is [org.springframework.security.authentication.UsernamePasswordAuthenticationToken@7b116622: Principal: websvcasc; Cre dentials: [PROTECTED]; Authenticated: false; Details: null; Not granted any authorities]. WsUtils(getUserName)-> userName is [websvcasc]. WsUtils(getUserName)-> Exit. [Ljava.lang.StackTraceElement;@211dde1c /cgi/sales_ws_rules_engine: error while loading shared libraries: libdb2.so.1: cannot open shared object file: No such file or directory ThqUserDetailsService(loadUserByUsername)-> username [audramassie] authorities [[ROLE_Dealer, ROLE_USER]]. 2022-03-07 12:18:19,935 WARN org.springframework.security.authentication.event.LoggerListener:67 - Authentication event InteractiveAuthenticationSuccessEven t: audramassie; details: null (getGywUserMask)-> GYW usermask is all 'N's isAuthorized-> success ThqWsAuthenticationManager(authenticate)-> Entry. Thanks & Regards, Priyanka Kumawat | Middleware Admin T +91.7879364483 EMail - priyanka.kuma...@dxc.com<mailto:priyanka.kuma...@dxc.com> DL - ams-leveraged-webadmin-offsh...@dxc.com<mailto:ams-leveraged-webadmin-offsh...@dxc.com> DXC Technology DXC Technology Company -- This message is transmitted to you by or on behalf of DXC Technology Company or one of its affiliates. It is intended exclusively for the addressee. The substance of this message, along with any attachments, may contain proprietary, confidential or privileged information or information that is otherwise legally exempt from disclosure. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient of this message, you are not authorized to read, print, retain, copy or disseminate any part of this message. If you have received this message in error, please destroy and delete all copies and notify the sender by return e-mail. Regardless of content, this e-mail shall not operate to bind DXC Technology Company or any of its affiliates to any order or other contract unless pursuant to explicit written agreement or government initiative expressly permitting the use of e-mail for such purpose.