java.lang.AssertionError: 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.SimpleType(name=java.lang.String)),(itemName=createdRollbackImages,itemType=javax.management.openmbean.SimpleType(name=java.lang.Boolean)),(itemName=finalizeTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=startTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)))),contents={blockPoolId=BP-421661364-67.195.81.153-1452420365057, createdRollbackImages=true, finalizeTime=0, startTime=1452420366966})>

hadoop-hdfs-dev | Apache Jenkins Server | 1 year ago
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  1. 0

    Hadoop-Hdfs-trunk - Build # 2711 - Still Failing

    hadoop-hdfs-dev | 1 year ago | Apache Jenkins Server
    java.lang.AssertionError: 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.SimpleType(name=java.lang.String)),(itemName=createdRollbackImages,itemType=javax.management.openmbean.SimpleType(name=java.lang.Boolean)),(itemName=finalizeTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=startTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)))),contents={blockPoolId=BP-421661364-67.195.81.153-1452420365057, createdRollbackImages=true, finalizeTime=0, startTime=1452420366966})>
  2. 0

    Hadoop-Hdfs-trunk - Build # 2684 - Failure

    hadoop-hdfs-dev | 1 year ago | Apache Jenkins Server
    java.lang.AssertionError: 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.SimpleType(name=java.lang.String)),(itemName=createdRollbackImages,itemType=javax.management.openmbean.SimpleType(name=java.lang.Boolean)),(itemName=finalizeTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=startTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)))),contents={blockPoolId=BP-2750152-67.195.81.153-1451894542455, createdRollbackImages=true, finalizeTime=0, startTime=1451894544449})>
  3. 0

    Failed ExpectedExpection does not show the stacktrace of the actual exception

    GitHub | 3 years ago | brunokim
    java.lang.AssertionError: expected null, but was:<java.lang.Object@e46007>
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  5. 0

    TEST FAILURE - com.hazelcast.client.map.ClientMapTest.testAsyncPut

    GitHub | 3 years ago | mdogan
    java.lang.AssertionError: expected null, but was:<value3>
  6. 0

    TEST FAILURE - com.hazelcast.client.map.ClientMapTest.testAsyncRemove

    GitHub | 3 years ago | mdogan
    java.lang.AssertionError: expected null, but was:<value4>

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Root Cause Analysis

  1. java.lang.AssertionError

    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.SimpleType(name=java.lang.String)),(itemName=createdRollbackImages,itemType=javax.management.openmbean.SimpleType(name=java.lang.Boolean)),(itemName=finalizeTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=startTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)))),contents={blockPoolId=BP-421661364-67.195.81.153-1452420365057, createdRollbackImages=true, finalizeTime=0, startTime=1452420366966})>

    at org.junit.Assert.fail()
  2. JUnit
    Assert.assertNull
    1. org.junit.Assert.fail(Assert.java:88)
    2. org.junit.Assert.failNotNull(Assert.java:664)
    3. org.junit.Assert.assertNull(Assert.java:646)
    4. org.junit.Assert.assertNull(Assert.java:656)
    4 frames
  3. Apache Hadoop HDFS
    TestRollingUpgrade.testRollback
    1. org.apache.hadoop.hdfs.TestRollingUpgrade.checkMxBeanIsNull(TestRollingUpgrade.java:294)
    2. org.apache.hadoop.hdfs.TestRollingUpgrade.testRollback(TestRollingUpgrade.java:323)
    2 frames