Assert.assertNull() has thrown an AssertionError

We found this prefix in 42 webpages.
MapChildren (28)Typical messages (35)TraceDetailed Map
  1. java.lang.AssertionError
    1.   at org.junit.Assert.fail()
    2.   at org.junit.Assert.failNotNull()
    3.   at org.junit.Assert.assertNull()
    4.   at org.junit.Assert.assertNull()
  1. AssertionError

    TestZKSignerSecretProvider.testMultipleInit()
    Crashes:9
    Projects:0
    Web Pages:9
    Error Reports:0
    First:4 months ago
    Last:4 months ago
    preview
  2. GitHub iconGitHub comment 6015#37180230

    First:4 years ago
    Last:2 years ago
    Author:wildfly-ci
  3. #16581 (Server unit tests fail when run in Eclipse) – Vaadin

    First:3 years ago
    Last:3 years ago
  4. AssertionError

    TestRollingUpgrade.checkMxBeanIsNull()
    Crashes:5
    Projects:0
    Web Pages:3
    Error Reports:0
    First:10 months ago
    Last:7 months ago
    preview
  5. GitHub iconjanus graph tests failures

    First:1 year ago
    Last:6 months ago
    Author:harelassayag
  6. AssertionError

    AnnouncerTest.testSessionKilled()
    Crashes:3
    Projects:0
    Web Pages:3
    Error Reports:0
    First:4 months ago
    Last:4 months ago
    preview
  7. Build failed in Jenkins: HBase-1.1-JDK7 #1641

    First:2 years ago
    Last:6 months ago
    Author:Apache Jenkins Server
  8. GitHub iconGitHub comment 55#191576567

    First:2 years ago
    Last:2 years ago
    Author:ben-manes
  9. GitHub iconGitHub comment 917#374277188

    First:8 months ago
    Last:3 months ago
    Author:joakime
  10. GitHub iconmaven install in freshly cloned repo fails tests

    First:2 years ago
    Last:1 year ago
    Author:alexy
  11. AssertionError

    SingletonTestCase.testSingletonService()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:2 weeks ago
    Last:2 weeks ago
    preview
  12. GitHub iconGitHub comment 139#186374138

    First:2 years ago
    Last:2 years ago
    Author:lyubomir
  13. AssertionError

    ResponseHandler_NotifyTest.normalResponse_whenBackupMissing_thenEventuallySuccess()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:2 weeks ago
    Last:2 weeks ago
    preview
  14. GitHub iconFlaky failures in CloudSdkContextFunctionTest

    First:2 years ago
    Last:2 years ago
    Author:elharo
  15. [HBase-issues] [jira] [Created] (HBASE-8976) estFromClientSideWithCoprocessor.testClientPoolThreadLocal failed - Grokbase

    First:3 years ago
    Last:3 years ago
  16. GitHub iconGitHub comment 26#378663471

    First:8 months ago
    Last:5 months ago
    Author:rseibane
  17. GitHub iconCacheCloseTest.test_cacheDestroyOperation

    First:2 years ago
    Last:1 year ago
    Author:hasancelik
  18. GitHub iconGitHub comment 139#127012173

    First:3 years ago
    Last:1 year ago
    Author:egonw
  19. GitHub iconGitHub comment 2857#212110750

    First:2 years ago
    Last:2 years ago
    Author:nishantmonu51
  20. Fix UnderStorageSystemInterfaceIntegrationTest.testListRecursive for OSS

    First:2 years ago
    Last:2 years ago
    Author:luoli
  21. How to test delete method

    First:5 years ago
    Last:3 years ago
    Author:gstackoverflow
  22. Flaky tests (maven-surefire-plugin) do not appear on the output (console and report)

    First:3 years ago
    Last:3 years ago
    Author:Justyna S
  23. Why is the database not being updated after delete in a Bidirectional @ManyToMany association using SPRING

    First:2 years ago
    Last:2 years ago
    Author:Hani Goc
  24. GitHub iconDiskStorageCacheTest failure (windows)

    First:2 years ago
    Last:2 years ago
    Author:dotingcode
  25. GitHub iconTEST FAILURE - com.hazelcast.client.map.ClientMapTest.testAsyncRemove

    First:5 years ago
    Last:3 years ago
    Author:mdogan
  26. GitHub iconTEST FAILURE - com.hazelcast.client.map.ClientMapTest.testAsyncGet

    First:5 years ago
    Last:3 years ago
    Author:mdogan
  27. GitHub iconTEST FAILURE - com.hazelcast.client.map.ClientMapTest.testAsyncPut

    First:5 years ago
    Last:3 years ago
    Author:mdogan
  28. GitHub iconTest Failure com.hazelcast.internal.nearcache.impl.invalidation.MetaDataGeneratorTest destroying_map_removes_related_metadata

    First:1 year ago
    Last:1 year ago
    Author:jerrinot
MessageNumber of crashes
expected null, but was:<javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo$Bean,items=((itemName=blockPoolId,itemType=javax.management.openmbean.Sim3
expected null, but was:<[B@5fdcaa40>3
expected null, but was:<Invocation{op=com.hazelcast.spi.impl.operationservice.impl.DummyBackupAwareOperation{serviceName='null', identityHash=582573722, partitionId=1, replicaIndex=0, callId=0, invocationTime=-1 (1970-01-01 01:59:59.999), waitTimeout=-1, c2
expected null, but was:<[B@142bad79>2
expected null, but was:<node: node-1>2
expected null, but was:<[B@5a4fe25e>1
expected null, but was:<com.github.benmanes.caffeine.jcache.CacheProxy@1296409e>1
expected null, but was:<v[4108]>1
expected null, but was:com.facebook.binaryresource.FileBinaryResource@59501b021
expected null, but was:<[B@1c7787ee>1
  1. java.lang.AssertionError
    1.   at org.junit.Assert.fail()
    2.   at org.junit.Assert.failNotNull()
    3.   at org.junit.Assert.assertNull()
    4.   at org.junit.Assert.assertNull()