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Java.lang.ClassCastException: java.lang.String at Maximo Log on

Troubleshooting


Problem

Unable to log into Maximo after upgrading successfully.

Symptom

After starting up the server and attempting to log on your receive the a message saying "Access to the server is temporarily disabled" and the Maximo log file shows the corresponding stack trace for the log on error.

[ERROR] java.lang.ClassCastException: java.lang.String

java.lang.ClassCastException: java.lang.String

at psdi.mbo.MboValue.setDatabaseValue(MboValue.java:249)

at psdi.mbo.MboValue.construct(MboValue.java:184)

at psdi.mbo.Mbo.generateMboValueInstance(Mbo.java:624)

at psdi.mbo.Mbo.getMboValue(Mbo.java:818)

at psdi.mbo.Mbo.validate(Mbo.java:3837)

at psdi.mbo.MboSet.validate(MboSet.java:4560)

at psdi.mbo.MboSet.validateTransaction(MboSet.java:6922)

at psdi.txn.MXTransactionImpl.validateTransaction(MXTransactionImpl.java:376)

at psdi.txn.MXTransactionImpl.saveTransaction(MXTransactionImpl.java:213)

at psdi.txn.MXTransactionImpl.save(MXTransactionImpl.java:162)

at psdi.mbo.MboSet.save(MboSet.java:6615)

at psdi.mbo.MboSet.save(MboSet.java:6556)

at psdi.security.SecurityService.authenticateUser(SecurityService.java:400)

at psdi.security.SecurityService.authenticateUser(SecurityService.java:240)

at psdi.security.SecurityService.authenticateUser(SecurityService.java:227)

at psdi.util.RMISession.authenticateUser(RMISession.java:286)

at psdi.util.RMISession.loadUserInfo(RMISession.java:167)

at psdi.util.RMISession.connect(RMISession.java:56)

at psdi.webclient.system.controller.RequestManager.checkSession(RequestManager.java:405)

at psdi.webclient.system.controller.RequestManager.manageRequest(RequestManager.java:59)

at psdi.webclient.servlet.WebClientServlet.handleRequest(WebClientServlet.java:96)

at psdi.webclient.servlet.WebClientServlet.doPost(WebClientServlet.java:45)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

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[{"Product":{"code":"SSLKT6","label":"IBM Maximo Asset Management"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"--","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF010","label":"HP-UX"},{"code":"PF033","label":"Windows"},{"code":"PF027","label":"Solaris"}],"Version":"7.1;7.1.1","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}},{"Product":{"code":"SSRHPA","label":"IBM Maximo Application Suite"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}},{"Product":{"code":"SSWT9A","label":"IBM Control Desk"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

Modified date:
18 September 2025

UID

swg21462170