There are three situations covered in this article where the Symantec Data Loss Prevention (DLP) Enforce console will not load:
HTTP 404 error
On the DLP Enforce server, the MonitorController.log file shows the following error:
INFO | jvm 1 | 2016/05/04 11:37:11 | WrapperSimpleApp Error: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'authenticationPolicy' defined in URL [jar:file:/opt/DLP/SymantecDLP/Protect/lib/jar/enforce.jar!/com/vontu/enforce/domainlayer/user/authentication/AuthenticationPolicy.class]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [com.vontu.enforce.domainlayer.user.authentication.AuthenticationPolicy]: Constructor threw exception; nested exception is java.lang.IllegalArgumentException: Malformed \uxxxx encoding.
A similar error also appears in localhost<date>.log which can be found in the Protect\logs\tomcat\ folder on a Windows server and in /var/log/SymantecDLP/tomcat on a Linux server.
In the folder C:\ProgramData\Symantec\DataLossPrevention\EnforceServer\<version>\logs, the localhost<date>.log file shows the following errors:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'formRecognitionIndexTaskManager' defined in URL [jar:file:/C:/SymantecDLP/Protect/tomcat/webapps/ProtectManager/WEB-INF/lib/manager.jar!/com/vontu/manager/admin/formrecognitionprofiles/task/FormRecognitionIndexTaskManager.class]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [com.vontu.manager.admin.formrecognitionprofiles.task.FormRecognitionIndexTaskManager]: Constructor threw exception; nested exception is java.lang.UnsatisfiedLinkError: C:\SymantecDLP\Protect\lib\native\PDFiumInterface.dll: Can't find dependent libraries
See Restarting Symantec Data Loss Prevention (DLP) Enforce Services
See Test the Oracle database connection string used by DLP Enforce (broadcom.com)
See Error: "ORA-12541: TNS:no listener" (broadcom.com)
See Symantec DLP Logs & Descriptions
Edit Authentication.properties to only contain the text "dummypassword=VontuAD7"
Microsoft Windows servers require Microsoft Visual C++ Redistributable for Visual Studio 2015, 2017 and 2019.
See: Required Third-party Software