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I'm suspecting a file/directory permission problem. The error is saying that it cannot write the system .ptf file to your file system (i.e. it dropped the accelerator into your design but can't save your system before generating it).
It might also be the hyphon (-) in your directory path causing problems. Try turning that into an underscore (_) instead and see if that fixes the problem.
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thanks for your reply, i have changed my file/directory and there is no hyphon(-)in my directory path..but still failed. It was strange that i met a new error as follows:
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Progress: Loading system from fileD:/c2h/nios.sopc...
Exception in thread "main" java.lang.NullPointerException
at com.altera.sopceditor.util.EditorUtils.setQuartusProjectInfo(EditorUtils.java:2089)
at com.altera.c2h.C2HGenerate.createEnsemble(C2HGenerate.java:138)
at com.altera.sopceditor.app.EnsembleApp.start(EnsembleApp.java:171)
at com.altera.c2h.C2HGenerate.main(C2HGenerate.java:79)
make: *** [c2h_hdl-t] Error 1
Build completed in 22.344 seconds
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Meanwhile, i noticed that there is a similar error in
"Nios II Embedded Design Suite Release Notes and Errata" like this:
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Exception in thread "main" java.lang.OutOfMemoryError: Java
heap space
make: *** [c2h_hdl-t] Error 1
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i faint...it really drives me crazy.....what should i do?:(
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