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Hi tom:nectdf-3 file format doesnt support "long" type, so NetcdfFileWriteable wont accept it.
sorry the error message wasnt more useful. Tom Whittaker wrote:
I tried joining the netcdf-java mailing list using the on-line form, but got no results emailed back to me...so I'm writing directly (sorry).I'm trying to write my very first netcdf file from scratch using netcdf-2.2.jar. Just as I'm starting, I'm testing and it's throwing an interesting exception. I'm sure it's "Pilot Error", but I have no clue at this point.I'm using the current netcdf-2.2.jar file from the web site.Here's the code (sorry it's in Jython, but that's what we're using these days -- if it turns out to be some data type conversion problems, then I'll have to find a way around that, but when I look at "DataType.LONG" it prints a "long" and is a class ucar.nc2.DataType):from ucar.nc2 import NetcdfFileWriteable from ucar.nc2 import DataType def makeNetCDFtest(): ncfile = NetcdfFileWriteable() ncfile.setName("mydata.nc") oneDim = ncfile.addDimension("one",1) ncfile.addVariable("date", DataType.LONG, [oneDim,])ncfile.addVariableAttribute("date","long_name","Date, in YYYYMMDD format")ncfile.create() ncfile.close() if __name__ == "__main__": makeNetCDFtest() print "done..." Here's the exception: raceback (innermost last): File "<string>", line 19, in ? File "<string>", line 15, in makeNetCDFtest java.lang.IllegalStateException: unknown DataType == long at ucar.nc2.N3header.getType(N3header.java:405) at ucar.nc2.N3header.writeVars(N3header.java:586) at ucar.nc2.N3header.create(N3header.java:458) at ucar.nc2.N3iosp.create(N3iosp.java:255) at ucar.nc2.NetcdfFileWriteable.create(NetcdfFileWriteable.java:299) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)at java.lang.reflect.Method.invoke(Method.java:324)at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java)at org.python.core.PyMethod.__call__(PyMethod.java) at org.python.core.PyObject.__call__(PyObject.java) at org.python.core.PyInstance.invoke(PyInstance.java) at org.python.pycode._pyx79.makeNetCDFtest$1(<string>:15) at org.python.pycode._pyx79.call_function(<string>) at org.python.core.PyTableCode.call(PyTableCode.java) at org.python.core.PyTableCode.call(PyTableCode.java) at org.python.core.PyFunction.__call__(PyFunction.java) at org.python.pycode._pyx79.f$0(<string>:19) at org.python.pycode._pyx79.call_function(<string>) at org.python.core.PyTableCode.call(PyTableCode.java) at org.python.core.PyCode.call(PyCode.java) at org.python.core.Py.runCode(Py.java) at org.python.core.Py.exec(Py.java) at org.python.util.PythonInterpreter.exec(PythonInterpreter.java) at org.jext.scripting.python.Run.execute(Unknown Source) at sun.reflect.GeneratedMethodAccessor20.invoke(Unknown Source)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)at java.lang.reflect.Method.invoke(Method.java:324)at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java) at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java)at org.python.core.PyObject.__call__(PyObject.java) at org.python.core.PyObject.invoke(PyObject.java) at org.python.pycode._pyx78.f$0(<string>:3) at org.python.pycode._pyx78.call_function(<string>) at org.python.core.PyTableCode.call(PyTableCode.java) at org.python.core.PyCode.call(PyCode.java) at org.python.core.Py.runCode(Py.java) at org.python.core.Py.exec(Py.java) at org.python.util.PythonInterpreter.exec(PythonInterpreter.java) at org.jext.PythonAction.actionPerformed(Unknown Source)at org.gjt.sp.jedit.textarea.InputHandler.executeAction(Unknown Source) at org.gjt.sp.jedit.textarea.DefaultInputHandler.keyPressed(DefaultInputHandler.java:259) at org.gjt.sp.jedit.textarea.JEditTextArea.processKeyEvent(Unknown Source)at java.awt.Component.processEvent(Component.java:4909) at java.awt.Container.processEvent(Container.java:1569) at java.awt.Component.dispatchEventImpl(Component.java:3615) at java.awt.Container.dispatchEventImpl(Container.java:1627) at java.awt.Component.dispatchEvent(Component.java:3477)at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1713) at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:627) at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:831) at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:741) at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:592)at java.awt.Component.dispatchEventImpl(Component.java:3506) at java.awt.Container.dispatchEventImpl(Container.java:1627) at java.awt.Window.dispatchEventImpl(Window.java:1606) at java.awt.Component.dispatchEvent(Component.java:3477) at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)java.lang.IllegalStateException: java.lang.IllegalStateException: unknown DataType == long
netcdf-java
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