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https://issues.apache.org/jira/browse/SYSTEMML-1589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16025608#comment-16025608
]
Matthias Boehm commented on SYSTEMML-1589:
------------------------------------------
apparently, a similar issue (with slightly changed line numbers) still
occasionally happens
{code}
Caused by: java.lang.NullPointerException
at
org.apache.sysml.runtime.matrix.data.LibMatrixDNN.getRowInDenseFormat(LibMatrixDNN.java:1359)
at
org.apache.sysml.runtime.matrix.data.LibMatrixDNN.doIm2colSparse(LibMatrixDNN.java:1380)
at
org.apache.sysml.runtime.matrix.data.LibMatrixDNN.doIm2col(LibMatrixDNN.java:1419)
at
org.apache.sysml.runtime.matrix.data.LibMatrixDNN.doLoopedIm2ColConv2d(LibMatrixDNN.java:404)
at
org.apache.sysml.runtime.matrix.data.LibMatrixDNN.access$400(LibMatrixDNN.java:51)
at
org.apache.sysml.runtime.matrix.data.LibMatrixDNN$ConvTask.call(LibMatrixDNN.java:1141)
at
org.apache.sysml.runtime.matrix.data.LibMatrixDNN$ConvTask.call(LibMatrixDNN.java:1074)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
{code}
> conv2d_bias_add fails w/ NPE on lenet with random data
> ------------------------------------------------------
>
> Key: SYSTEMML-1589
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1589
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Assignee: Niketan Pansare
> Fix For: SystemML 1.0
>
>
> The lenet dml script fails with a null pointer exception for random multi
> class data, generated with
> {code}
> X_full = rand(rows=60000,cols=784);
> y_full = round(rand(rows=nrow(X_full), cols=1, min=1, max=10));
> {code}
> The detailed stacktrace is as follows:
> {code}
> Caused by: java.lang.NullPointerException
> at
> org.apache.sysml.runtime.matrix.data.LibMatrixDNN.getRowInDenseFormat(LibMatrixDNN.java:1355)
> at
> org.apache.sysml.runtime.matrix.data.LibMatrixDNN.doIm2colSparse(LibMatrixDNN.java:1382)
> at
> org.apache.sysml.runtime.matrix.data.LibMatrixDNN.doIm2col(LibMatrixDNN.java:1421)
> at
> org.apache.sysml.runtime.matrix.data.LibMatrixDNN.doLoopedIm2ColConv2d(LibMatrixDNN.java:406)
> at
> org.apache.sysml.runtime.matrix.data.LibMatrixDNN.access$400(LibMatrixDNN.java:51)
> at
> org.apache.sysml.runtime.matrix.data.LibMatrixDNN$ConvTask.call(LibMatrixDNN.java:1143)
> at
> org.apache.sysml.runtime.matrix.data.LibMatrixDNN$ConvTask.call(LibMatrixDNN.java:1076)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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