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Assert.notNull() has thrown an IllegalArgumentException

java.lang.IllegalArgumentException
Javadoc
Thrown to indicate that a method has been passed an illegal or inappropriate argument. @author unascribed @since JDK1.0
at org.springframework.util.Assert.notNull
(source)
Spring Core

Typical Exception Messages

  1. A ServletContext is required to configure default servlet handling
  2. [Assertion failed] - this argument is required; it must not be null
  3. Cannot load an ApplicationContext with a NULL 'contextLoader'. Consider annotating your test class with @ContextConfiguration or @ContextHierarchy.
  4. Class must not be null
  5. WebApplicationContext is required
  6. @EnableAsync annotation metadata was not injected
  7. PersistentEntity must not be null!
  8. ResourceLoader must not be null
  9. Target object must not be null
  10. Resource must not be null

Specific cases

  • DefaultServletHandlerConfigurer.<init>() has thrown an IllegalArgumentException
  • Assert.notNull() has thrown an IllegalArgumentException
  • PersistentEntityResourceAssembler.wrap() has thrown an IllegalArgumentException
  • ProxyAsyncConfiguration.asyncAdvisor() has thrown an IllegalArgumentException
  • AbstractSecurityInterceptor.afterPropertiesSet() has thrown an IllegalArgumentException
  • MockMvcBuilders.webAppContextSetup() has thrown an IllegalArgumentException
  • SqlSessionDaoSupport.checkDaoConfig() has thrown an IllegalArgumentException
  • WebApplicationContextUtils.getWebApplicationContext() has thrown an IllegalArgumentException
  • AbstractBeanFactory.transformedBeanName() has thrown an IllegalArgumentException
  • CacheAwareContextLoaderDelegate.loadContext() has thrown an IllegalArgumentException

External results for this pattern (554)

  1. michavia Stack Overflow11 hours ago
    Spring data Solr: IllegalArgumentException - this argument is required
    [Assertion failed] - this argument is required; it must not be null
    Show stack trace
  2. Unknown authorvia spring.io14 hours ago
    Get a bean after post processing - Spring Forum
    Connection must not be null
    Show stack trace
  3. Johnvia Stack Overflow1 day ago
    Spring Data MongoRepositories DtoInstantiatingConverter
    [Assertion failed] - this argument is required; it must not be null
    Show stack trace
  4. Froodle Stirlingvia Stack Overflow1 day ago
    Spring Tomcat mvc api error
    Failed to register servlet with name 'dispatcher'.Check if there is another servlet registered under the same name.
    Show stack trace
  5. Christophvia Stack Overflow1 day ago
    @DatabaseSetup unable to load data set
    Unable to load dataset from "personTestData.xml" using class com.github.springtestdbunit.dataset.FlatXmlDataSetLoader
    Show stack trace
  6. egaonekovia Stack Overflow1 day ago
    Mockito:: Null pointer exception for MockMVC exception for MockMVC
    Target object must not be null
    Show stack trace
  7. Klausvia Stack Overflow1 day ago
    Spring Data Solr: how to set multiValue to false when declaring a field
    [Assertion failed] - this argument is required; it must not be null
    Show stack trace
  8. Jai Prakvia Stack Overflow1 day ago
    java.lang.IllegalStateException: Failed to load ApplicationContext while doing in memory database unit testing using hsqldb spring boot gradle
    Cannot load an ApplicationContext with a NULL 'contextLoader'. Consider annotating your test class with @ContextConfiguration or @ContextHierarchy.
    Show stack trace
  9. geoHeilvia Stack Overflow1 day ago
    Spring REST Docs getting started
    WebApplicationContext is required
    Show stack trace
  10. davisoskivia Stack Overflow1 day ago
    How can I avoid error Injection of autowired dependencies failed?
    [Assertion failed] - this argument is required; it must not be null
    Show stack trace