java.lang.NullPointerException: This exception has no message.

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Google Groups by Balaji, 2 years ago
via Google Groups by Sujit, 2 years ago
via Atlassian JIRA by Seb Ruiz, 1 year ago
This exception has no message.
via Atlassian JIRA by Steve Smith [SYD/AMS/LHR], 1 year ago
This exception has no message.
java.lang.NullPointerException:
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:768)
at org.jasig.cas.client.proxy.ProxyGrantingTicketStorageImpl.retrieve(ProxyGrantingTicketStorageImpl.java:85)
at org.jasig.cas.client.validation.Cas20ServiceTicketValidator.parseResponseFromServer(Cas20ServiceTicketValidator.java:92)
at org.jasig.cas.client.validation.AbstractUrlBasedTicketValidator.validate(AbstractUrlBasedTicketValidator.java:217)
at blackboard.auth.cas.web.CASLoginAction.getAssertionFromRequest(CASLoginAction.java:196)
at blackboard.auth.cas.web.CASLoginAction.login(CASLoginAction.java:87)

Users with the same issue

Samebug visitor profile picture
Unknown user
Once, 2 years ago
6 times, 6 months ago
201 times, 10 months ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 2 years ago
21 more bugmates

Know the solutions? Share your knowledge to help other developers to debug faster.