[jira] [Commented] (SPARK-2575) SVMWithSGD throwing Input Validation failed
[ https://issues.apache.org/jira/browse/SPARK-2575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14074118#comment-14074118 ] navanee commented on SPARK-2575: yeah Thanks for Clarifying my doubt SVMWithSGD throwing Input Validation failed Key: SPARK-2575 URL: https://issues.apache.org/jira/browse/SPARK-2575 Project: Spark Issue Type: Bug Components: MLlib Affects Versions: 1.0.1 Reporter: navanee SVMWithSGD throwing Input Validation failed while using Sparse Array as Input. Though SVMWihtSGD accepts LibSVM format. Exception trace : org.apache.spark.SparkException: Input validation failed. at org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:145) at org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:124) at org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:154) at org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:188) at org.apache.spark.mllib.classification.SVMWithSGD.train(SVM.scala) at com.xurmo.ai.hades.classification.algo.Svm.train(Svm.java:143) at com.xurmo.ai.hades.classification.algo.SimpleSVMTest.generateModelFile(SimpleSVMTest.java:172) at com.xurmo.ai.hades.classification.algo.SimpleSVMTest.trainSampleDataTest(SimpleSVMTest.java:65) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Commented] (SPARK-2575) SVMWithSGD throwing Input Validation failed
[ https://issues.apache.org/jira/browse/SPARK-2575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14073111#comment-14073111 ] navanee commented on SPARK-2575: spark SVM supports multinomial or binomial classification? SVMWithSGD throwing Input Validation failed Key: SPARK-2575 URL: https://issues.apache.org/jira/browse/SPARK-2575 Project: Spark Issue Type: Bug Components: MLlib Affects Versions: 1.0.1 Reporter: navanee SVMWithSGD throwing Input Validation failed while using Sparse Array as Input. Though SVMWihtSGD accepts LibSVM format. Exception trace : org.apache.spark.SparkException: Input validation failed. at org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:145) at org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:124) at org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:154) at org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:188) at org.apache.spark.mllib.classification.SVMWithSGD.train(SVM.scala) at com.xurmo.ai.hades.classification.algo.Svm.train(Svm.java:143) at com.xurmo.ai.hades.classification.algo.SimpleSVMTest.generateModelFile(SimpleSVMTest.java:172) at com.xurmo.ai.hades.classification.algo.SimpleSVMTest.trainSampleDataTest(SimpleSVMTest.java:65) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Commented] (SPARK-2575) SVMWithSGD throwing Input Validation failed
[ https://issues.apache.org/jira/browse/SPARK-2575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14073329#comment-14073329 ] Xiangrui Meng commented on SPARK-2575: -- [~dbtsai] sent a PR for multinomial logistic regression: https://github.com/apache/spark/pull/1379 Btw, is your problem solved? SVMWithSGD throwing Input Validation failed Key: SPARK-2575 URL: https://issues.apache.org/jira/browse/SPARK-2575 Project: Spark Issue Type: Bug Components: MLlib Affects Versions: 1.0.1 Reporter: navanee SVMWithSGD throwing Input Validation failed while using Sparse Array as Input. Though SVMWihtSGD accepts LibSVM format. Exception trace : org.apache.spark.SparkException: Input validation failed. at org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:145) at org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:124) at org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:154) at org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:188) at org.apache.spark.mllib.classification.SVMWithSGD.train(SVM.scala) at com.xurmo.ai.hades.classification.algo.Svm.train(Svm.java:143) at com.xurmo.ai.hades.classification.algo.SimpleSVMTest.generateModelFile(SimpleSVMTest.java:172) at com.xurmo.ai.hades.classification.algo.SimpleSVMTest.trainSampleDataTest(SimpleSVMTest.java:65) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Commented] (SPARK-2575) SVMWithSGD throwing Input Validation failed
[ https://issues.apache.org/jira/browse/SPARK-2575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14071492#comment-14071492 ] navanee commented on SPARK-2575: yes Xiangrui Meng.. But if I use MLUtils.loadLibSVMFile function to get LabeledPoint and pass it to train method, i wont get the issue. SVMWithSGD throwing Input Validation failed Key: SPARK-2575 URL: https://issues.apache.org/jira/browse/SPARK-2575 Project: Spark Issue Type: Bug Components: MLlib Affects Versions: 1.0.1 Reporter: navanee SVMWithSGD throwing Input Validation failed while using Sparse Array as Input. Though SVMWihtSGD accepts LibSVM format. Exception trace : org.apache.spark.SparkException: Input validation failed. at org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:145) at org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:124) at org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:154) at org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:188) at org.apache.spark.mllib.classification.SVMWithSGD.train(SVM.scala) at com.xurmo.ai.hades.classification.algo.Svm.train(Svm.java:143) at com.xurmo.ai.hades.classification.algo.SimpleSVMTest.generateModelFile(SimpleSVMTest.java:172) at com.xurmo.ai.hades.classification.algo.SimpleSVMTest.trainSampleDataTest(SimpleSVMTest.java:65) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Commented] (SPARK-2575) SVMWithSGD throwing Input Validation failed
[ https://issues.apache.org/jira/browse/SPARK-2575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14072140#comment-14072140 ] Xiangrui Meng commented on SPARK-2575: -- loadLibSVMFile converts labels to binary by default. It maps any label value greater than 0.5 to 1.0, or 0.0 otherwise. This is because both 1/0 and +1/-1 are widely used in popular LIBSVM datasets. In MLlib, to use SVMWithSGD you need to use binary labels, 1.0 or 0.0. SVMWithSGD throwing Input Validation failed Key: SPARK-2575 URL: https://issues.apache.org/jira/browse/SPARK-2575 Project: Spark Issue Type: Bug Components: MLlib Affects Versions: 1.0.1 Reporter: navanee SVMWithSGD throwing Input Validation failed while using Sparse Array as Input. Though SVMWihtSGD accepts LibSVM format. Exception trace : org.apache.spark.SparkException: Input validation failed. at org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:145) at org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:124) at org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:154) at org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:188) at org.apache.spark.mllib.classification.SVMWithSGD.train(SVM.scala) at com.xurmo.ai.hades.classification.algo.Svm.train(Svm.java:143) at com.xurmo.ai.hades.classification.algo.SimpleSVMTest.generateModelFile(SimpleSVMTest.java:172) at com.xurmo.ai.hades.classification.algo.SimpleSVMTest.trainSampleDataTest(SimpleSVMTest.java:65) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Commented] (SPARK-2575) SVMWithSGD throwing Input Validation failed
[ https://issues.apache.org/jira/browse/SPARK-2575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14071384#comment-14071384 ] Xiangrui Meng commented on SPARK-2575: -- Do you have labels with values other than 0.0/1.0? SVMWithSGD throwing Input Validation failed Key: SPARK-2575 URL: https://issues.apache.org/jira/browse/SPARK-2575 Project: Spark Issue Type: Bug Components: MLlib Affects Versions: 1.0.1 Reporter: navanee SVMWithSGD throwing Input Validation failed while using Sparse Array as Input. Though SVMWihtSGD accepts LibSVM format. Exception trace : org.apache.spark.SparkException: Input validation failed. at org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:145) at org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:124) at org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:154) at org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:188) at org.apache.spark.mllib.classification.SVMWithSGD.train(SVM.scala) at com.xurmo.ai.hades.classification.algo.Svm.train(Svm.java:143) at com.xurmo.ai.hades.classification.algo.SimpleSVMTest.generateModelFile(SimpleSVMTest.java:172) at com.xurmo.ai.hades.classification.algo.SimpleSVMTest.trainSampleDataTest(SimpleSVMTest.java:65) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) -- This message was sent by Atlassian JIRA (v6.2#6252)