TimeoutExecutorA java.lang.InterruptedException
java.lang.InterruptedException
	at java.lang.Object.wait(Native Method)
	at java.lang.Thread.join(Thread.java:1253)
	at net.sourceforge.plantuml.api.TimeoutExecutor.executeNow(TimeoutExecutor.java:51)
	at net.sourceforge.plantuml.cucadiagram.dot.ProcessRunner.run(ProcessRunner.java:73)
	at net.sourceforge.plantuml.cucadiagram.dot.ProcessRunner.run(ProcessRunner.java:63)
	at net.sourceforge.plantuml.cucadiagram.dot.AbstractGraphviz.createFile3(AbstractGraphviz.java:96)
	at net.sourceforge.plantuml.svek.DotStringFactory.getSvg(DotStringFactory.java:287)
	at net.sourceforge.plantuml.svek.CucaDiagramFileMakerSvek2.createFile(CucaDiagramFileMakerSvek2.java:221)
	at net.sourceforge.plantuml.svek.CucaDiagramFileMakerSvek.createFileInternal(CucaDiagramFileMakerSvek.java:114)
	at net.sourceforge.plantuml.svek.CucaDiagramFileMakerSvek.createFile(CucaDiagramFileMakerSvek.java:80)
	at net.sourceforge.plantuml.cucadiagram.CucaDiagram.exportDiagramInternal(CucaDiagram.java:330)
	at net.sourceforge.plantuml.classdiagram.ClassDiagram.exportDiagramInternal(ClassDiagram.java:205)
	at net.sourceforge.plantuml.UmlDiagram.exportDiagram(UmlDiagram.java:227)
	at net.sourceforge.plantuml.NewpagedDiagram.exportDiagram(NewpagedDiagram.java:99)
	at net.sourceforge.plantuml.SourceStringReader.generateImage(SourceStringReader.java:113)

java.lang.NullPointerException
	at net.sourceforge.plantuml.svek.CucaDiagramFileMakerSvek2.createFile(CucaDiagramFileMakerSvek2.java:226)
	at net.sourceforge.plantuml.svek.CucaDiagramFileMakerSvek.createFileInternal(CucaDiagramFileMakerSvek.java:114)
	at net.sourceforge.plantuml.svek.CucaDiagramFileMakerSvek.createFile(CucaDiagramFileMakerSvek.java:80)
	at net.sourceforge.plantuml.cucadiagram.CucaDiagram.exportDiagramInternal(CucaDiagram.java:330)
	at net.sourceforge.plantuml.classdiagram.ClassDiagram.exportDiagramInternal(ClassDiagram.java:205)
	at net.sourceforge.plantuml.UmlDiagram.exportDiagram(UmlDiagram.java:227)
	at net.sourceforge.plantuml.NewpagedDiagram.exportDiagram(NewpagedDiagram.java:99)
	at net.sourceforge.plantuml.SourceStringReader.generateImage(SourceStringReader.java:113)


java.lang.IllegalArgumentException: Found empty contents
	at com.google.zxing.qrcode.QRCodeWriter.encode(QRCodeWriter.java:48)
	at net.sourceforge.plantuml.flashcode.FlashCodeUtilsZxing.exportFlashcode(FlashCodeUtilsZxing.java:58)
	at net.sourceforge.plantuml.UmlDiagram.exportDiagramError(UmlDiagram.java:255)
	at net.sourceforge.plantuml.UmlDiagram.exportDiagramError(UmlDiagram.java:242)
	at net.sourceforge.plantuml.UmlDiagram.exportDiagram(UmlDiagram.java:235)
	at net.sourceforge.plantuml.NewpagedDiagram.exportDiagram(NewpagedDiagram.java:99)
	at net.sourceforge.plantuml.SourceStringReader.generateImage(SourceStringReader.java:113)