See <https://builds.apache.org/job/Hadoop-Hdfs-trunk/2467/changes>
Changes: [junping_du] MAPREDUCE-6508. TestNetworkedJob fails consistently due to delegation [jitendra] HDFS-9184. Logging HDFS operation's caller context into audit logs. [lei] HDFS-9264. Minor cleanup of operations on FsVolumeList#volumes. (Walter [jlowe] YARN-4041. Slow delegation token renewal can severely prolong RM [zhz] HDFS-8808. dfs.image.transfer.bandwidthPerSec should not apply to ------------------------------------------ [...truncated 6864 lines...] Running org.apache.hadoop.hdfs.TestParallelShortCircuitReadNoChecksum Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 16.81 sec - in org.apache.hadoop.hdfs.TestParallelShortCircuitReadNoChecksum Running org.apache.hadoop.hdfs.TestFileCreation Tests run: 23, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 102.156 sec - in org.apache.hadoop.hdfs.TestFileCreation Running org.apache.hadoop.hdfs.TestDFSRemove Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 18.257 sec - in org.apache.hadoop.hdfs.TestDFSRemove Running org.apache.hadoop.hdfs.TestHdfsAdmin Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.98 sec - in org.apache.hadoop.hdfs.TestHdfsAdmin Running org.apache.hadoop.hdfs.TestDFSUtil Tests run: 31, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.983 sec - in org.apache.hadoop.hdfs.TestDFSUtil Running org.apache.hadoop.hdfs.TestWriteBlockGetsBlockLengthHint Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.289 sec - in org.apache.hadoop.hdfs.TestWriteBlockGetsBlockLengthHint Running org.apache.hadoop.hdfs.TestDataTransferKeepalive Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 20.98 sec - in org.apache.hadoop.hdfs.TestDataTransferKeepalive Running org.apache.hadoop.hdfs.TestLease Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 13.568 sec - in org.apache.hadoop.hdfs.TestLease Running org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 224.313 sec - in org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure Running org.apache.hadoop.hdfs.TestEncryptionZonesWithKMS Tests run: 20, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 68.352 sec - in org.apache.hadoop.hdfs.TestEncryptionZonesWithKMS Running org.apache.hadoop.hdfs.TestAbandonBlock Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.965 sec - in org.apache.hadoop.hdfs.TestAbandonBlock Running org.apache.hadoop.hdfs.TestExternalBlockReader Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 7.539 sec - in org.apache.hadoop.hdfs.TestExternalBlockReader Running org.apache.hadoop.hdfs.TestFileCreationClient Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 61.984 sec - in org.apache.hadoop.hdfs.TestFileCreationClient Running org.apache.hadoop.hdfs.TestFileCreationDelete Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 16.381 sec - in org.apache.hadoop.hdfs.TestFileCreationDelete Running org.apache.hadoop.tracing.TestTraceAdmin Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.7 sec - in org.apache.hadoop.tracing.TestTraceAdmin Running org.apache.hadoop.tracing.TestTracing Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.785 sec - in org.apache.hadoop.tracing.TestTracing Running org.apache.hadoop.tracing.TestTracingShortCircuitLocalRead Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.948 sec - in org.apache.hadoop.tracing.TestTracingShortCircuitLocalRead Running org.apache.hadoop.net.TestNetworkTopology Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.542 sec - in org.apache.hadoop.net.TestNetworkTopology Running org.apache.hadoop.TestGenericRefresh Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.39 sec - in org.apache.hadoop.TestGenericRefresh Running org.apache.hadoop.tools.TestHdfsConfigFields Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.707 sec - in org.apache.hadoop.tools.TestHdfsConfigFields Running org.apache.hadoop.tools.TestTools Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.717 sec - in org.apache.hadoop.tools.TestTools Running org.apache.hadoop.tools.TestJMXGet Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 7.917 sec - in org.apache.hadoop.tools.TestJMXGet Running org.apache.hadoop.cli.TestErasureCodingCLI Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.427 sec - in org.apache.hadoop.cli.TestErasureCodingCLI Running org.apache.hadoop.cli.TestHDFSCLI Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 41.507 sec - in org.apache.hadoop.cli.TestHDFSCLI Running org.apache.hadoop.cli.TestCryptoAdminCLI Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.923 sec - in org.apache.hadoop.cli.TestCryptoAdminCLI Running org.apache.hadoop.cli.TestAclCLI Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.311 sec - in org.apache.hadoop.cli.TestAclCLI Running org.apache.hadoop.cli.TestDeleteCLI Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.556 sec - in org.apache.hadoop.cli.TestDeleteCLI Running org.apache.hadoop.cli.TestXAttrCLI Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.436 sec - in org.apache.hadoop.cli.TestXAttrCLI Running org.apache.hadoop.cli.TestCacheAdminCLI Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.346 sec - in org.apache.hadoop.cli.TestCacheAdminCLI Running org.apache.hadoop.TestRefreshCallQueue Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 7.087 sec - in org.apache.hadoop.TestRefreshCallQueue Running org.apache.hadoop.fs.TestXAttr Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.107 sec - in org.apache.hadoop.fs.TestXAttr Running org.apache.hadoop.fs.TestWebHdfsFileContextMainOperations Tests run: 60, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 14.199 sec - in org.apache.hadoop.fs.TestWebHdfsFileContextMainOperations Running org.apache.hadoop.fs.TestFcHdfsSetUMask Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.204 sec - in org.apache.hadoop.fs.TestFcHdfsSetUMask Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractConcat Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.802 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractConcat Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRootDirectory Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.03 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRootDirectory Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRename Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.929 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRename Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractSetTimes Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.452 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractSetTimes Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractOpen Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.412 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractOpen Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractAppend Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.755 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractAppend Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractCreate Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.57 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractCreate Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractGetFileStatus Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.386 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractGetFileStatus Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractSeek Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.226 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractSeek Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractDelete Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.345 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractDelete Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractMkdir Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.093 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractMkdir Running org.apache.hadoop.fs.TestResolveHdfsSymlink Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.548 sec - in org.apache.hadoop.fs.TestResolveHdfsSymlink Running org.apache.hadoop.fs.TestSymlinkHdfsDisable Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.459 sec - in org.apache.hadoop.fs.TestSymlinkHdfsDisable Running org.apache.hadoop.fs.permission.TestStickyBit Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.155 sec - in org.apache.hadoop.fs.permission.TestStickyBit Running org.apache.hadoop.fs.TestUrlStreamHandler Killed Running org.apache.hadoop.fs.loadGenerator.TestLoadGenerator Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 16.464 sec - in org.apache.hadoop.fs.loadGenerator.TestLoadGenerator Running org.apache.hadoop.fs.viewfs.TestViewFsWithXAttrs Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.307 sec - in org.apache.hadoop.fs.viewfs.TestViewFsWithXAttrs Running org.apache.hadoop.fs.viewfs.TestViewFsDefaultValue Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.533 sec - in org.apache.hadoop.fs.viewfs.TestViewFsDefaultValue Running org.apache.hadoop.fs.viewfs.TestViewFsHdfs Tests run: 58, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.508 sec - in org.apache.hadoop.fs.viewfs.TestViewFsHdfs Running org.apache.hadoop.fs.viewfs.TestViewFsWithAcls Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.665 sec - in org.apache.hadoop.fs.viewfs.TestViewFsWithAcls Running org.apache.hadoop.fs.viewfs.TestViewFsFileStatusHdfs Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.65 sec - in org.apache.hadoop.fs.viewfs.TestViewFsFileStatusHdfs Running org.apache.hadoop.fs.viewfs.TestViewFileSystemHdfs Tests run: 60, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 14.106 sec - in org.apache.hadoop.fs.viewfs.TestViewFileSystemHdfs Running org.apache.hadoop.fs.viewfs.TestViewFileSystemWithXAttrs Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.587 sec - in org.apache.hadoop.fs.viewfs.TestViewFileSystemWithXAttrs Running org.apache.hadoop.fs.viewfs.TestViewFileSystemWithAcls Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.661 sec - in org.apache.hadoop.fs.viewfs.TestViewFileSystemWithAcls Running org.apache.hadoop.fs.viewfs.TestViewFileSystemAtHdfsRoot Tests run: 60, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.798 sec - in org.apache.hadoop.fs.viewfs.TestViewFileSystemAtHdfsRoot Running org.apache.hadoop.fs.viewfs.TestViewFsAtHdfsRoot Tests run: 58, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.38 sec - in org.apache.hadoop.fs.viewfs.TestViewFsAtHdfsRoot Running org.apache.hadoop.fs.TestHDFSFileContextMainOperations Tests run: 68, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.22 sec - in org.apache.hadoop.fs.TestHDFSFileContextMainOperations Running org.apache.hadoop.fs.TestUrlStreamHandlerFactory Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.972 sec - in org.apache.hadoop.fs.TestUrlStreamHandlerFactory Running org.apache.hadoop.fs.TestSymlinkHdfsFileContext Tests run: 71, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 12.3 sec - in org.apache.hadoop.fs.TestSymlinkHdfsFileContext Running org.apache.hadoop.fs.TestGlobPaths Tests run: 36, Failures: 0, Errors: 0, Skipped: 6, Time elapsed: 9.17 sec - in org.apache.hadoop.fs.TestGlobPaths Running org.apache.hadoop.fs.TestSymlinkHdfsFileSystem Tests run: 74, Failures: 0, Errors: 0, Skipped: 2, Time elapsed: 14.067 sec - in org.apache.hadoop.fs.TestSymlinkHdfsFileSystem Running org.apache.hadoop.fs.shell.TestHdfsTextCommand Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.821 sec - in org.apache.hadoop.fs.shell.TestHdfsTextCommand Running org.apache.hadoop.fs.TestSWebHdfsFileContextMainOperations Tests run: 60, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 16.942 sec - in org.apache.hadoop.fs.TestSWebHdfsFileContextMainOperations Running org.apache.hadoop.fs.TestHdfsNativeCodeLoader Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.217 sec - in org.apache.hadoop.fs.TestHdfsNativeCodeLoader Running org.apache.hadoop.fs.TestFcHdfsPermission Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.483 sec - in org.apache.hadoop.fs.TestFcHdfsPermission Running org.apache.hadoop.fs.TestEnhancedByteBufferAccess Tests run: 10, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 21.19 sec - in org.apache.hadoop.fs.TestEnhancedByteBufferAccess Running org.apache.hadoop.fs.TestFcHdfsCreateMkdir Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.912 sec - in org.apache.hadoop.fs.TestFcHdfsCreateMkdir Running org.apache.hadoop.fs.TestUnbuffer Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.834 sec - in org.apache.hadoop.fs.TestUnbuffer Results : Failed tests: TestLeaseRecovery2.tearDown:105 Test resulted in an unexpected exit TestFileTruncate.testTruncateWithDataNodesRestartImmediately:798->checkBlockRecovery:1171->checkBlockRecovery:1176->checkBlockRecovery:1192 inode should complete in ~30000 ms. Expected: is <true> but: was <false> TestReplaceDatanodeOnFailure.testReplaceDatanodeOnFailure:154 expected:<3> but was:<2> Tests in error: TestLeaseRecovery2.testHardLeaseRecoveryAfterNameNodeRestart2:427->hardLeaseRecoveryRestartHelper:494 » Exit TestLeaseRecovery2.testHardLeaseRecoveryWithRenameAfterNameNodeRestart:433->hardLeaseRecoveryRestartHelper:446 » EOF TestLeaseRecovery2.testLeaseRecoverByAnotherUser:159 » IllegalState Lease moni... TestLeaseRecovery2.testHardLeaseRecovery:276 » Connect Call From asf909.gq1.yg... TestBalancerWithMultipleNameNodes.testBalancing2OutOf3Blockpools:516->unevenDistribution:405 » IO Tests run: 3903, Failures: 3, Errors: 5, Skipped: 17 [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Skipping Apache Hadoop HDFS Native Client [INFO] This project has been banned from the build due to previous failures. [INFO] ------------------------------------------------------------------------ [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Skipping Apache Hadoop HttpFS [INFO] This project has been banned from the build due to previous failures. [INFO] ------------------------------------------------------------------------ [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Skipping Apache Hadoop HDFS BookKeeper Journal [INFO] This project has been banned from the build due to previous failures. [INFO] ------------------------------------------------------------------------ [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Skipping Apache Hadoop HDFS-NFS [INFO] This project has been banned from the build due to previous failures. [INFO] ------------------------------------------------------------------------ [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building Apache Hadoop HDFS Project 3.0.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ hadoop-hdfs-project --- [INFO] Deleting <https://builds.apache.org/job/Hadoop-Hdfs-trunk/ws/hadoop-hdfs-project/target> [INFO] [INFO] --- maven-antrun-plugin:1.7:run (create-testdirs) @ hadoop-hdfs-project --- [INFO] Executing tasks main: [mkdir] Created dir: <https://builds.apache.org/job/Hadoop-Hdfs-trunk/ws/hadoop-hdfs-project/target/test-dir> [INFO] Executed tasks [INFO] [INFO] --- maven-source-plugin:2.3:jar-no-fork (hadoop-java-sources) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-source-plugin:2.3:test-jar-no-fork (hadoop-java-sources) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-enforcer-plugin:1.3.1:enforce (dist-enforce) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-site-plugin:3.4:attach-descriptor (attach-descriptor) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-javadoc-plugin:2.8.1:jar (module-javadocs) @ hadoop-hdfs-project --- [INFO] Skipping javadoc generation [INFO] [INFO] --- maven-enforcer-plugin:1.3.1:enforce (depcheck) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-checkstyle-plugin:2.15:checkstyle (default-cli) @ hadoop-hdfs-project --- [INFO] [INFO] --- findbugs-maven-plugin:3.0.0:findbugs (default-cli) @ hadoop-hdfs-project --- [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary: [INFO] [INFO] Apache Hadoop HDFS Client ......................... SUCCESS [03:52 min] [INFO] Apache Hadoop HDFS ................................ FAILURE [ 03:57 h] [INFO] Apache Hadoop HDFS Native Client .................. SKIPPED [INFO] Apache Hadoop HttpFS .............................. SKIPPED [INFO] Apache Hadoop HDFS BookKeeper Journal ............. SKIPPED [INFO] Apache Hadoop HDFS-NFS ............................ SKIPPED [INFO] Apache Hadoop HDFS Project ........................ SUCCESS [ 0.067 s] [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 04:01 h [INFO] Finished at: 2015-10-24T01:26:53+00:00 [INFO] Final Memory: 54M/673M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.17:test (default-test) on project hadoop-hdfs: ExecutionException: java.lang.RuntimeException: The forked VM terminated without properly saying goodbye. VM crash or System.exit called? [ERROR] Command was /bin/sh -c cd <https://builds.apache.org/job/Hadoop-Hdfs-trunk/ws/hadoop-hdfs-project/hadoop-hdfs> && /home/jenkins/tools/java/jdk1.7.0_55/jre/bin/java -Xmx2048m -XX:MaxPermSize=768m -XX:+HeapDumpOnOutOfMemoryError -jar <https://builds.apache.org/job/Hadoop-Hdfs-trunk/ws/hadoop-hdfs-project/hadoop-hdfs/target/surefire/surefirebooter1020770693056756747.jar> <https://builds.apache.org/job/Hadoop-Hdfs-trunk/ws/hadoop-hdfs-project/hadoop-hdfs/target/surefire/surefire2287146431550555631tmp> <https://builds.apache.org/job/Hadoop-Hdfs-trunk/ws/hadoop-hdfs-project/hadoop-hdfs/target/surefire/surefire_5462365585445472498401tmp> [ERROR] -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn <goals> -rf :hadoop-hdfs Build step 'Execute shell' marked build as failure Archiving artifacts Recording test results Updating HDFS-8808 Updating YARN-4041 Updating HDFS-9264 Updating HDFS-9184 Updating MAPREDUCE-6508