See https://builds.apache.org/hudson/job/Hadoop-Hdfs-trunk-Commit/659/
################################################################################### ########################## LAST 60 LINES OF THE CONSOLE ########################### [...truncated 2625 lines...] [junit] Tests run: 3, Failures: 0, Errors: 0, Time elapsed: 9.109 sec [junit] Running org.apache.hadoop.hdfs.server.datanode.TestInterDatanodeProtocol [junit] Tests run: 3, Failures: 0, Errors: 0, Time elapsed: 5.179 sec [junit] Running org.apache.hadoop.hdfs.server.datanode.TestSimulatedFSDataset [junit] Tests run: 8, Failures: 0, Errors: 0, Time elapsed: 0.743 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestBackupNode [junit] Tests run: 2, Failures: 1, Errors: 0, Time elapsed: 5.887 sec [junit] Test org.apache.hadoop.hdfs.server.namenode.TestBackupNode FAILED [junit] Running org.apache.hadoop.hdfs.server.namenode.TestCheckpoint [junit] Tests run: 4, Failures: 0, Errors: 0, Time elapsed: 31.138 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestComputeInvalidateWork [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 4.996 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestDatanodeDescriptor [junit] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 0.183 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestEditLog [junit] Tests run: 4, Failures: 0, Errors: 0, Time elapsed: 12.288 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestFileLimit [junit] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 4.523 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestHeartbeatHandling [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 3.093 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestHost2NodesMap [junit] Tests run: 4, Failures: 0, Errors: 0, Time elapsed: 0.084 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestNamenodeCapacityReport [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 2.959 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestOverReplicatedBlocks [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 4.016 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestPendingReplication [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 7.314 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestReplicationPolicy [junit] Tests run: 8, Failures: 0, Errors: 0, Time elapsed: 0.069 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestSafeMode [junit] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 8.512 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestStartup [junit] Tests run: 5, Failures: 0, Errors: 0, Time elapsed: 10.859 sec [junit] Running org.apache.hadoop.hdfs.server.namenode.TestStorageRestore [junit] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 9.194 sec [junit] Running org.apache.hadoop.net.TestNetworkTopology [junit] Tests run: 8, Failures: 0, Errors: 0, Time elapsed: 0.108 sec [junit] Running org.apache.hadoop.security.TestPermission [junit] Tests run: 3, Failures: 0, Errors: 0, Time elapsed: 5.15 sec checkfailure: [touch] Creating /grid/0/hudson/hudson-slave/workspace/Hadoop-Hdfs-trunk-Commit/trunk/build/test/testsfailed BUILD FAILED /grid/0/hudson/hudson-slave/workspace/Hadoop-Hdfs-trunk-Commit/trunk/build.xml:709: The following error occurred while executing this line: /grid/0/hudson/hudson-slave/workspace/Hadoop-Hdfs-trunk-Commit/trunk/build.xml:666: The following error occurred while executing this line: /grid/0/hudson/hudson-slave/workspace/Hadoop-Hdfs-trunk-Commit/trunk/build.xml:734: Tests failed! Total time: 8 minutes 43 seconds [FINDBUGS] Skipping publisher since build result is FAILURE Recording fingerprints Archiving artifacts Recording test results Publishing Javadoc Publishing Clover coverage report... No Clover report will be published due to a Build Failure Email was triggered for: Failure Sending email for trigger: Failure ################################################################################### ############################## FAILED TESTS (if any) ############################## 1 tests failed. REGRESSION: org.apache.hadoop.hdfs.server.namenode.TestBackupNode.testCheckpoint Error Message: Problem binding to /0.0.0.0:50100 : Address already in use Stack Trace: junit.framework.AssertionFailedError: Problem binding to /0.0.0.0:50100 : Address already in use at org.apache.hadoop.hdfs.server.namenode.TestBackupNode.testCheckpoint(TestBackupNode.java:142) at org.apache.hadoop.hdfs.server.namenode.TestBackupNode.__CLR3_0_2xuql33yho(TestBackupNode.java:102) at org.apache.hadoop.hdfs.server.namenode.TestBackupNode.testCheckpoint(TestBackupNode.java:101)