[ https://issues.apache.org/jira/browse/SYSTEMML-1853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Glenn Weidner updated SYSTEMML-1853: ------------------------------------ Fix Version/s: (was: SystemML 1.0) SystemML 0.15 > StepLinreg is failing w/ recompilation issue > -------------------------------------------- > > Key: SYSTEMML-1853 > URL: https://issues.apache.org/jira/browse/SYSTEMML-1853 > Project: SystemML > Issue Type: Bug > Reporter: Matthias Boehm > Assignee: Matthias Boehm > Fix For: SystemML 0.15 > > > Our step-wise LinregDS is currently failing with the following NPE on dynamic > recompilation > {code} > Caused by: java.lang.NullPointerException > at org.apache.sysml.lops.BinaryScalar.getOpcode(BinaryScalar.java:111) > at > org.apache.sysml.lops.BinaryScalar.getInstructions(BinaryScalar.java:87) > at > org.apache.sysml.lops.compile.Dag.generateControlProgramJobs(Dag.java:1406) > at org.apache.sysml.lops.compile.Dag.doGreedyGrouping(Dag.java:1176) > at org.apache.sysml.lops.compile.Dag.getJobs(Dag.java:270) > at > org.apache.sysml.hops.recompile.Recompiler.recompileHopsDag(Recompiler.java:239) > at > org.apache.sysml.runtime.controlprogram.ProgramBlock.execute(ProgramBlock.java:147) > {code} > The root cause is that some rewrite modified the input solve to a scalar, > which causes the instruction generation of solve to fail because it is not > defined over scalars. -- This message was sent by Atlassian JIRA (v6.4.14#64029)