MATLAB: Pdf report generator error

java outofmemoryerror

I am trying to generate a simple pdf report, but get java OutOfMemoryError

>> d = Document('test', 'pdf');

>> append(d,'hello');

>> close(d)

Error using rptgen.utils.FOPProxy/newFOPImpl (line 238) Java exception occurred: java.lang.OutOfMemoryError: Java heap space

Error in rptgen.utils.FOPProxy/foToPDFImpl (line 191) fop = newFOPImpl(h, fopOutputStream, basePath, locale, extraFonts);

Error in rptgen.utils.FOPProxy.foToPDF (line 84) foToPDFImpl(h, foPath, pdfPath, locale, extraFonts, cleanupFonts);

Best Answer

I was looking into this and found the direct answer :

https://www.mathworks.com/matlabcentral/answers/262442-java-heap-space-out-of-memory-problem#answer_304218

That fixed it for me.

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MATLAB: MATLAB telling me I need product licenses for things I’m not using

An Image can not be directly appended to a TableRow. I would suggest to create a TableEntry with the Image, and then append TableEntry to TableRow, followed by appending TableRow to the Table.

import mlreportgen.dom.*;
import mlreportgen.report.* 
rpt = Report('C:\Users\GOE7ABT\Desktop\myreport1.pdf');
bojack=Image('C:\Users\GOE7ABT\Desktop\21-bojack-12.w710.h473.jpg');
table=Table();
entry=TableEntry(bojack);
row1=TableRow();
append(row1,entry);
append(table,row1);
add(rpt,table)
close(rpt);
rptview(rpt.OutputPath);

MATLAB: Does Polyspace CodeProver generate incomplete reports

The error message can be resolved by modifying the Java.opts file located in C:\Program Files\MATLAB\R2017b\polyspace\bin\win64. Consider increasing the Java Heap memory in the Java.opts file to a high value so as to ensure generation of complete reports. Should you wish to set the Java heap memory to 16 GB, you would use the following command:

-Xmx16384m

Alternatively, you could also consider generating reports in other formats like HTML or DOC.

Best Answer

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MATLAB: MATLAB telling me I need product licenses for things I’m not using

MATLAB: Does Polyspace CodeProver generate incomplete reports

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