Assert.isTrue() has thrown an IllegalArgumentException

at org.springframework.util.Assert.isTrue

Typical Exception Messages

  1. @ConditionalOnMissingBean annotations must specify at least one bean (type, name or annotation)
  2. Folder must not be a file
  3. [Assertion failed] - this expression must be true
  4. Async support must be enabled on a servlet and for all filters involved in async request processing. This is done in Java code using the Servlet API or by adding "<async-supported>true</async-supported>" to servlet and filter declarations in web.xml. Also you must use a Servlet 3.0+ container
  5. Only the target location may be specified
  6. Target bean is not of type of the persistent entity!
  7. URL must start with 'jdbc'
  8. Either use @Param on all parameters except Pageable and Sort typed once, or none at all!
  9. 'spring/index?error' is not a valid redirect URL
  10. Cannot send message after connection closed.

Specific cases


krasniqi.vesa, 9 months ago

If you are trying to get a specific page of results, try first defining that page.

Check the source of this solution for more info

External results for this pattern (165)

  1. Unknown authorvia iteye.com19 hours ago
    AccessDecisionManager does not support secure object class: class
    Show stack trace
  2. Unknown authorvia github.com20 hours ago
    [Assertion failed] - this expression must be true
    Show stack trace
  3. login isn't a valid redirect URL
    Show stack trace
  4. Prashant Devavia Spring JIRA1 day ago
    Cannot send a message when session is closed
    Show stack trace
  5. cmadervia GitHub1 day ago
    ${cas.logout.url} isn't a valid redirect URL
    Show stack trace
  6. WebSocketHandler not found for SockJS session id=8cf_1l_6
    Show stack trace
  7. Amarvia Stack Overflow4 days ago
    loginFormUrl must be specified and must be a valid redirect URL
    Show stack trace
  8. Mark Fishervia Spring JIRA5 days ago
    When defining @Publisher on a void-returning method, an explicit payload expression that does not rely upon a #return value is required.
    Show stack trace
  9. Unknown authorvia blogspot.com5 days ago
    [Assertion failed] - this expression must be true
    Show stack trace