./plantuml -tsvg some 
DISPLAY=:1
Exception in thread "main" javax.xml.transform.TransformerFactoryConfigurationError: Provider com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl not found
  at javax.xml.transform.FactoryFinder.newInstance(FactoryFinder.java:181)
  at javax.xml.transform.FactoryFinder.find(FactoryFinder.java:261)
  at javax.xml.transform.TransformerFactory.newInstance(TransformerFactory.java:106)
  at net.sourceforge.plantuml.svg.SvgGraphics.getTransformer(SvgGraphics.java:535)
  at net.sourceforge.plantuml.svg.SvgGraphics.createXmlInternal(SvgGraphics.java:604)
  at net.sourceforge.plantuml.svg.SvgGraphics.createXml(SvgGraphics.java:554)
  at net.sourceforge.plantuml.ugraphic.svg.UGraphicSvg.createXml(UGraphicSvg.java:164)
  at net.sourceforge.plantuml.ugraphic.svg.UGraphicSvg.writeImageTOBEMOVED(UGraphicSvg.java:179)
  at net.sourceforge.plantuml.ugraphic.ImageBuilder.writeImageInternal(ImageBuilder.java:257)
  at net.sourceforge.plantuml.ugraphic.ImageBuilder.writeImageTOBEMOVED(ImageBuilder.java:179)
  at net.sourceforge.plantuml.activitydiagram3.ActivityDiagram3.exportDiagramInternal(ActivityDiagram3.java:219)
  at net.sourceforge.plantuml.UmlDiagram.exportDiagramNow(UmlDiagram.java:202)
  at net.sourceforge.plantuml.AbstractPSystem.exportDiagram(AbstractPSystem.java:135)
  at net.sourceforge.plantuml.PSystemUtils.exportDiagramsActivityDiagram3(PSystemUtils.java:179)
  at net.sourceforge.plantuml.PSystemUtils.exportDiagrams(PSystemUtils.java:98)
  at net.sourceforge.plantuml.SourceFileReaderAbstract.getGeneratedImages(SourceFileReaderAbstract.java:158)
  at net.sourceforge.plantuml.Run.manageFileInternal(Run.java:508)
  at net.sourceforge.plantuml.Run.processArgs(Run.java:403)
  at net.sourceforge.plantuml.Run.manageAllFiles(Run.java:372)
  at net.sourceforge.plantuml.Run.main(Run.java:188)
  at me.vektory79.plantuml.Main.main(Main.java:56)
Caused by: java.lang.ClassNotFoundException: com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl
  at com.oracle.svm.core.hub.ClassForNameSupport.forName(ClassForNameSupport.java:60)
  at java.lang.Class.forName(DynamicHub.java:1174)
  at javax.xml.transform.FactoryFinder.getProviderClass(FactoryFinder.java:127)
  at javax.xml.transform.FactoryFinder.newInstance(FactoryFinder.java:168)
  ... 20 more

@startuml
!include <azure/AzureCommon.puml>
!include <azure/Analytics/AzureEventHub.puml>
!include <azure/Analytics/AzureStreamAnalytics.puml>
!include <azure/Databases/AzureCosmosDb.puml>

left to right direction

agent "Device Simulator" as devices #fff

AzureEventHub(fareDataEventHub, "Fare Data", "PK: Medallion HackLicense VendorId; 3 TUs")
AzureEventHub(tripDataEventHub, "Trip Data", "PK: Medallion HackLicense VendorId; 3 TUs")
AzureStreamAnalytics(streamAnalytics, "Stream Processing", "6 SUs")
AzureCosmosDb(outputCosmosDb, "Output Database", "1,000 RUs")

devices --> fareDataEventHub
devices --> tripDataEventHub
fareDataEventHub --> streamAnalytics
tripDataEventHub --> streamAnalytics
streamAnalytics --> outputCosmosDb
@enduml

Exception in thread "main" java.lang.IllegalArgumentException: input == null!
  at javax.imageio.ImageIO.read(ImageIO.java:1350)
  at net.sourceforge.plantuml.version.PSystemVersion.getImage(PSystemVersion.java:121)
  at net.sourceforge.plantuml.version.PSystemVersion.getPlantumlImage(PSystemVersion.java:91)
  at net.sourceforge.plantuml.eggs.PSystemWelcome.getGraphicStrings(PSystemWelcome.java:96)
  at net.sourceforge.plantuml.error.PSystemError.getWelcome(PSystemError.java:265)
  at net.sourceforge.plantuml.error.PSystemError.addWelcome(PSystemError.java:269)
  at net.sourceforge.plantuml.error.PSystemError.exportDiagramNow(PSystemError.java:218)
  at net.sourceforge.plantuml.AbstractPSystem.exportDiagram(AbstractPSystem.java:135)
  at net.sourceforge.plantuml.PSystemUtils.exportDiagramsDefault(PSystemUtils.java:157)
  at net.sourceforge.plantuml.PSystemUtils.exportDiagrams(PSystemUtils.java:100)
  at net.sourceforge.plantuml.SourceFileReaderAbstract.getGeneratedImages(SourceFileReaderAbstract.java:158)
  at net.sourceforge.plantuml.Run.manageFileInternal(Run.java:508)
  at net.sourceforge.plantuml.Run.processArgs(Run.java:403)
  at net.sourceforge.plantuml.Run.manageAllFiles(Run.java:372)
  at net.sourceforge.plantuml.Run.main(Run.java:188)
  at me.vektory79.plantuml.Main.main(Main.java:56)