"problem using SVDReduction in java code"
Hi,
My question is regarding the exception stated below:
=====================================================================================
Exception in thread "main" java.lang.NoClassDefFoundError: Jama/Matrix
at com.rapidminer.operator.features.transformation.JamaDimensionalityReduction.dimensionalityReduction(JamaDimensionalityReduction.java:59)
at com.rapidminer.operator.features.transformation.DimensionalityReducer.apply(DimensionalityReducer.java:66)
at com.rapidminer.operator.Operator.apply(Operator.java:656)
...
Caused by: java.lang.ClassNotFoundException: Jama.Matrix
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
... 5 more
=====================================================================================
This occurs when i integrate my program with the code below:
...
Operator SVD = OperatorService.createOperator("SVDReduction");
IOContainer container = wvtoolOperator.apply(new IOContainer());
container = SVD.apply(container); //ERROR OCCURS HERE
ExampleSet exampleSet = container.get(ExampleSet.class);
...
=======================================================================
When i replace "SOMDimensionalityReduction" with "SVDReduction" it works fine. May i know what are the possible causes?
james,
regards
My question is regarding the exception stated below:
=====================================================================================
Exception in thread "main" java.lang.NoClassDefFoundError: Jama/Matrix
at com.rapidminer.operator.features.transformation.JamaDimensionalityReduction.dimensionalityReduction(JamaDimensionalityReduction.java:59)
at com.rapidminer.operator.features.transformation.DimensionalityReducer.apply(DimensionalityReducer.java:66)
at com.rapidminer.operator.Operator.apply(Operator.java:656)
...
Caused by: java.lang.ClassNotFoundException: Jama.Matrix
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
... 5 more
=====================================================================================
This occurs when i integrate my program with the code below:
...
Operator SVD = OperatorService.createOperator("SVDReduction");
IOContainer container = wvtoolOperator.apply(new IOContainer());
container = SVD.apply(container); //ERROR OCCURS HERE
ExampleSet exampleSet = container.get(ExampleSet.class);
...
=======================================================================
When i replace "SOMDimensionalityReduction" with "SVDReduction" it works fine. May i know what are the possible causes?
james,
regards