I’ve checked
com.xpn.xwiki.internal.plugin.image.DefaultImageProcessor.readImage(DefaultImageProcessor.java:58)
and we’re not using any com.sun private classes so it seems our code is good on that
side.
So I don’t know what the problem is at this stage. Looks like a JDK/JRE version issue.
Thanks
-Vincent
On 15 Apr 2015 at 11:53:18, D R (rir.ceg@gmail.com(mailto:rir.ceg@gmail.com)) wrote:
Hi,
no, I use OpenJDK provided by the xwiki-enterprise-tomcat8-mysql apt package.
BR,
Dennis
2015-04-15 11:33 GMT+02:00 vincent@massol.net(mailto:vincent@massol.net) :
> Hi,
>
> Are you using Oracle’s JDK?
>
> Thanks
> -Vincent
>
>
> On 15 Apr 2015 at 11:22:12, D R (rir.ceg@gmail.com(mailto:rir.ceg@gmail.com))
wrote:
>
>
>
> > Hi everybody,
> >
> > I recently migrated our XWiki Windows Server installation to an Ubuntu
> > Server 14.10 (x64) setup with XWiki 7, Tomcat 8, Java 8 and Nginx proxy.
> > All issues that occurred were fixed and everything is running smoothly now
> > except for one thing.
> > JPG images don't show up on XWiki, I get the error output appended below.
> > The crucial line seems to be: "Could not initialize class
> > com.sun.imageio.plugins.jpeg.JPEGImageReader". I searched on google and
> > downgraded to JRE 7 but that didn't fix the issue so I re-installed JRE-8
> > and purged JRE-7 again.
> > Could someone please point me in the right direction how to fix this?
> >
> > ---[CATALINA LOG OUTPUT]---
> > WARN c.x.x.w.XWikiAction - Uncaught exception: Error number 0
> > in 11: Uncaught exception
> > com.xpn.xwiki.XWikiException: Error number 0 in 11: Uncaught exception
> > at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:368)
> > [XWikiAction.class:na]
> > at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:146)
> > [XWikiAction.class:na]
> > at
> >
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
> > [RequestProcessor.class:1.3.10]
> > at
> > org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
> > [RequestProcessor.class:1.3.10]
> > at
> > org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
> > [ActionServlet.class:1.3.10]
> > at
> > org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
> > [ActionServlet.class:1.3.10]
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:618)
> > [tomcat8-servlet-api-8.0.9.jar:na]
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
> > [tomcat8-servlet-api-8.0.9.jar:na]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:115)
> > [ActionFilter.class:na]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
> > [ConversionFilter.class:na]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> > org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
> > [tomcat8-websocket-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
> > [SetHTTPHeaderFilter.class:na]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> > com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66)
> > [XWikiDavFilter.class:na]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
> > [SavedRequestRestorerFilter.class:na]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
> > [SetCharacterEncodingFilter.class:na]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:136)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:526)
> > [tomcat8-catalina-8.0.9.jar:8.0.9]
> > at
> >
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
> > [tomcat8-coyote-8.0.9.jar:8.0.9]
> > at
> >
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:655)
> > [tomcat8-coyote-8.0.9.jar:8.0.9]
> > at
> >
org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222)
> > [tomcat8-coyote-8.0.9.jar:8.0.9]
> > at
> >
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1566)
> > [tomcat8-coyote-8.0.9.jar:8.0.9]
> > at
> >
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1523)
> > [tomcat8-coyote-8.0.9.jar:8.0.9]
> > at
> >
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> > [na:1.8.0_40-internal]
> > at
> >
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> > [na:1.8.0_40-internal]
> > at
> >
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
> > [tomcat8-util-8.0.9.jar:8.0.9]
> > at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40-internal]
> > Caused by: java.lang.NoClassDefFoundError: Could not initialize class
> > com.sun.imageio.plugins.jpeg.JPEGImageReader
> > at
> >
com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi.createReaderInstance(JPEGImageReaderSpi.java:85)
> > ~[na:1.8.0_40-internal]
> > at
> > javax.imageio.spi.ImageReaderSpi.createReaderInstance(ImageReaderSpi.java:320)
> > ~[na:1.8.0_40-internal]
> > at javax.imageio.ImageIO$ImageReaderIterator.next(ImageIO.java:529)
> > ~[na:1.8.0_40-internal]
> > at javax.imageio.ImageIO$ImageReaderIterator.next(ImageIO.java:513)
> > ~[na:1.8.0_40-internal]
> > at javax.imageio.ImageIO.read(ImageIO.java:1443)
> > ~[na:1.8.0_40-internal]
> > at javax.imageio.ImageIO.read(ImageIO.java:1352)
> > ~[na:1.8.0_40-internal]
> > at
> >
com.xpn.xwiki.internal.plugin.image.DefaultImageProcessor.readImage(DefaultImageProcessor.java:58)
> > ~[DefaultImageProcessor.class:na]
> > at
> > com.xpn.xwiki.plugin.image.ImagePlugin.shrinkImage(ImagePlugin.java:311)
> > ~[ImagePlugin.class:na]
> > at
> >
com.xpn.xwiki.plugin.image.ImagePlugin.downloadImageFromCache(ImagePlugin.java:285)
> > ~[ImagePlugin.class:na]
> > at
> > com.xpn.xwiki.plugin.image.ImagePlugin.downloadImage(ImagePlugin.java:248)
> > ~[ImagePlugin.class:na]
> > at
> >
com.xpn.xwiki.plugin.image.ImagePlugin.downloadAttachment(ImagePlugin.java:221)
> > ~[ImagePlugin.class:na]
> > at
> >
com.xpn.xwiki.plugin.XWikiPluginManager.downloadAttachment(XWikiPluginManager.java:287)
> > ~[XWikiPluginManager.class:na]
> > at com.xpn.xwiki.web.DownloadAction.render(DownloadAction.java:111)
> > ~[DownloadAction.class:na]
> > at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:345)
> > [XWikiAction.class:na]
> > ... 47 common frames omitted
> >
> > Thanks in advance,
> > Dennis