You need to run your java app in headless mode. For tomcat this means you should export env variable CATALINA_OPTS=-Djava.awt.headless=true
and restart the container.



Giampaolo Tomassoni wrote:
Dears,

back again for a problem of mine. This time, however, I have the feeling to have discovered a bug.

I'm using batik to convert svg files to bitmap on the fly in a tomcat application. The tomcat application is supposed to run in a server under an environment which is detached from any X11 server eventually running.

When I try my tomcat app from the debugger I use, which starts tomcat in the same session of the debbugger graphical console, everything works fine.

Deploying the app to the final server, I get the exception you can see at the end of this message.

The matter is that batik tries to access an GraphicsEnvironment which is unexistant in a detached server environment.

Question: Am I completely wrong when I assume that batik is supposed to run on services?

Regards,

        Giampaolo Tomassoni


java.lang.InternalError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable.
at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
at sun.awt.X11GraphicsEnvironment.(X11GraphicsEnvironment.java:134)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:141)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:62)
at org.apache.batik.gvt.font.FontFamilyResolver.(Unknown Source)
at org.apache.batik.bridge.FontFace.getFontFamily(Unknown Source)
at org.apache.batik.bridge.SVGFontFace.getFontFamily(Unknown Source)
at org.apache.batik.bridge.SVGFontUtilities.getFontFamily(Unknown Source)
at org.apache.batik.bridge.SVGTextElementBridge.getAttributeMap(Unknown Source)
at org.apache.batik.bridge.SVGTextElementBridge.fillAttributedStringBuffer(Unknown Source)
at org.apache.batik.bridge.SVGTextElementBridge.buildAttributedString(Unknown Source)
at org.apache.batik.bridge.SVGTextElementBridge.computeLaidoutText(Unknown Source)
at org.apache.batik.bridge.SVGTextElementBridge.buildGraphicsNode(Unknown Source)
at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(Unknown Source)
at org.apache.batik.bridge.GVTBuilder.buildComposite(Unknown Source)
at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(Unknown Source)
at org.apache.batik.bridge.GVTBuilder.buildComposite(Unknown Source)
at org.apache.batik.bridge.GVTBuilder.build(Unknown Source)
at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(Unknown Source)
at org.apache.batik.transcoder.image.ImageTranscoder.transcode(Unknown Source)
at org.apache.batik.transcoder.XMLAbstractTranscoder.transcode(Unknown Source)
at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(Unknown Source)
at it.myorg.MyConverter.doImageGet(MyConverter.java:239)


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