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https://issues.apache.org/jira/browse/SYSTEMML-1891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Glenn Weidner resolved SYSTEMML-1891.
-------------------------------------
Resolution: Fixed
Assignee: Niketan Pansare (was: Glenn Weidner)
Fix Version/s: SystemML 1.0
Fixed with [PR 659|https://github.com/apache/systemml/pull/659].
> Python toNumPy() example results in exception: Script string is blank
> ---------------------------------------------------------------------
>
> Key: SYSTEMML-1891
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1891
> Project: SystemML
> Issue Type: Bug
> Reporter: Glenn Weidner
> Assignee: Niketan Pansare
> Fix For: SystemML 1.0
>
>
> Running the first example from
> http://apache.github.io/systemml/beginners-guide-python#matrix-operations
> results in exception:
> {code:java}
> m4.sum(axis=1).toNumPy()
> File “/usr/local/lib/python2.7/site-packages/systemml/defmatrix.py”, line
> 498, in toNumPy
> self.eval()
> File “/usr/local/lib/python2.7/site-packages/systemml/defmatrix.py”, line
> 480, in eval
> eval([self])
> File “/usr/local/lib/python2.7/site-packages/systemml/defmatrix.py”, line
> 328, in eval
> results = matrix.ml.execute(matrix.script)
> File “/usr/local/lib/python2.7/site-packages/systemml/mlcontext.py”, line
> 722, in execute
> return MLResults(self._ml.execute(script_java), self._sc)
> ...
> py4j.protocol.Py4JJavaError: An error occurred while calling o55.execute.
> : org.apache.sysml.api.mlcontext.MLContextException: Exception when executing
> script
> at org.apache.sysml.api.mlcontext.MLContext.execute(MLContext.java:359)
> at org.apache.sysml.api.mlcontext.MLContext.execute(MLContext.java:332)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:237)
> at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
> at py4j.Gateway.invoke(Gateway.java:280)
> at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
> at py4j.commands.CallCommand.execute(CallCommand.java:79)
> at py4j.GatewayConnection.run(GatewayConnection.java:214)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.sysml.api.mlcontext.MLContextException: Script string
> is blank
> at
> org.apache.sysml.api.mlcontext.ScriptExecutor.checkScriptHasTypeAndString(ScriptExecutor.java:571)
> at
> org.apache.sysml.api.mlcontext.ScriptExecutor.setup(ScriptExecutor.java:372)
> at
> org.apache.sysml.api.mlcontext.ScriptExecutor.compile(ScriptExecutor.java:303)
> at
> org.apache.sysml.api.mlcontext.ScriptExecutor.compile(ScriptExecutor.java:268)
> at
> org.apache.sysml.api.mlcontext.ScriptExecutor.execute(ScriptExecutor.java:345)
> at org.apache.sysml.api.mlcontext.MLContext.execute(MLContext.java:355)
> ... 12 more
> {code}
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