IllegalArgumentException in Image.setContent

asked 2011-12-14 14:12:12 +0800

eli
39

Hello. Has anyone seen this exception? My code was well tested, but when a web user from Libya clicked my previewBtn, this:

2011-12-14 06:43:18.18 SEVERE IllegalArgumentException: im == null!
2011-12-14 06:43:18.18 SEVERE Trap Level 1
javax.imageio.ImageIO.write(ImageIO.java:1457)
javax.imageio.ImageIO.write(ImageIO.java:1565)
org.zkoss.image.encoder.PNGEncoder.encode(PNGEncoder.java:35)
org.zkoss.image.Images.encode(Images.java:69)
org.zkoss.zul.Image.setContent(Image.java:183)
com.osx.web.ImageTable.create(ImageTable.java:46)
com.osx.web.DustCutWeb.showPlanPreview(DustCutWeb.java:814)
com.osx.web.DustCutWeb.onClick$previewBtn(DustCutWeb.java:778)

Many thanks in advance for your ideas. Regards,
eli