Weblogic custom Webservice access issue

Issue::

The custom OIM webservice is deployed in OIM successfully.

On invoking the sebservice,it was not able to read the credential store created for the custom webservice.

Error::

, Cache-Hit: true, Permissions Cached: false, RESULT: false>
java.security.AccessControlException: access denied (oracle.security.jps.service.credstore.CredentialAccessPermission context=SYSTEM,mapName=OIM_WS,keyName=WS_CREDENTIALS read)
        at java.security.AccessControlContext.checkPermission(AccessControlContext.java:374)

Fix:

1.Login to EM console

2.Navigate to Weblogic domain

3.Navigate to IAM_DOMAIN-->SECURITY-->SYSTEM POLICIES

4.Add the Name, CodeBase and permission for the custom WebserviceCreated.

NAME::file:${domain.home}/servers/${weblogic.Name}/tmp/_WL_user/OIGDynamicWS/fo01e1/war/WEB-INF/lib/_wl_cls_gen.jar

RESOURCE::oracle.security.jps.service.credstore.CredentialAccessPermission
PERMISSIONCLASS::context=SYSTEM,mapName=OIM_WS,keyName=WS_CREDENTIALS