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    Thrown when an application is trying to use or access an object whose reference equals to null. You are probably trying to use a reference that points to no location in memory as though it were referencing an object.

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via Oracle Community by steven@acca, 1 year ago
This exception has no message.
via Oracle Community by Athish, 1 year ago
via Oracle Community by user163173, 7 months ago
via Oracle Community by ovlz, 1 year ago
via Oracle Community by Evosys, 7 months ago
via Oracle Community by 2776515, 1 year ago
java.lang.NullPointerException: 	at java.util.Hashtable.put(Hashtable.java:393)	at oracle.ldap.util.jndi.ConnectionUtil.createCtxHash(ConnectionUtil.java:448)	at oracle.ldap.util.jndi.ConnectionUtil.getDefaultDirCtx(ConnectionUtil.java:133)	at oracle.ldap.util.jndi.ConnectionUtil.getDefaultDirCtx(ConnectionUtil.java:157)	at oracle.portal.provider.v2.oid.OidManager.getContextFromPool(Unknown Source)	at oracle.portal.provider.v2.oid.OidManager.getUserLDAPContext(Unknown Source)	at oracle.portal.provider.v2.oid.OidManager.getUserProperty(Unknown Source)	at oracle.portal.provider.v2.http.ServletProviderUser.getPropertyValue(Unknown Source)	at oracle.portal.provider.v2.http.ServletProviderUser.getDisplayName(Unknown Source)