Java 8
Duane Zamrok <zam...@cubrc.org> schrieb am Di. 31. Juli 2018 um 01:17:
> rt.jar is the core of the JDK. On windows the jar is located someplace
> like C:\Program Files\Java\jdk1.8.0_151\jre\lib and on linux it is
> someplace like
> /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.x86_64/jre/lib. It
> contains all of the standard JDK classes like “java.util.ArrayList”, which
> is evident by the fact that if you open up the jar it has the compiled
> classes for nearly any JDK class you can think of.
>
>
>
> The point is, even if it’s no longer supported, it should be in your JDK
> and therefore available for importing.
>
>
>
> -Duane
>
>
>
> *From:* Jim Hughes [mailto:jn...@ccri.com]
> *Sent:* Monday, July 30, 2018 4:23 PM
> *To:* geotools-gt2-users@lists.sourceforge.net
> *Subject:* Re: [Geotools-gt2-users] no class found for
> java.imageio.ImageIO
>
>
>
> Hi Georg,
>
> Which version of Java are you using? Java 9 and later seem to have tossed
> the the javax.imageio classes into the java.desktop package(1).
>
> Cheers,
>
> Jim
>
> 1.
> https://docs.oracle.com/javase/9/docs/api/javax/imageio/package-summary.html
>
> On 07/30/2018 03:38 PM, Georg Heiler wrote:
>
> I am specifically referring to the ext part of imageio which as far as I
> know is unsupported.
>
> Which RT jar are you referring to? Indeed I mean the javaX class.
>
> Best
> Georg
>
> Duane Zamrok <zam...@cubrc.org> schrieb am Mo. 30. Juli 2018 um 21:32:
>
> Are you sure it’s not javax.imageio.ImageIO which is included in the
> rt.jar?
>
>
>
> It’s possible that the class being loaded is somehow referencing the wrong
> class (java vs javax). Perhaps a pluging specification (META-INF) file is
> wrong?
>
>
>
> https://docs.oracle.com/javase/8/docs/api/javax/imageio/ImageIO.html is
> the current javadoc for the very much supported javax.imageio.ImageIO class.
>
>
>
> Note:
>
> If you’re deploying on some older versions of JBOSS, there is a sun JDK
> module defined in the modules folder which calls for various packages to be
> imported from the JDK. By default these older application servers will not
> load imageio from the JDK, and you have to add imageio to the list of
> packages imported to make this work.
>
>
>
> -Duane
>
>
>
> *From:* Georg Heiler [mailto:georg.kf.hei...@gmail.com]
> *Sent:* Monday, July 30, 2018 2:34 PM
> *To:* geotools-gt2-users@lists.sourceforge.net
> *Subject:* [Geotools-gt2-users] no class found for java.imageio.ImageIO
>
>
>
> Hi,
>
>
>
> I want to read a GridCoverage2D from an ESRi ArcGrid File using geo tools
> on centos using openjdk 8.
>
>
>
> But I get the error of
>
> NoClassDefFoundError Could not initialize class java.imageio.ImageIO
>
>
>
> Are there any viable solutions? If I understand the problem correctly,
> imageio-ext does not bundle this class, instead it is provided as an
> extension to the SUN / Oracle JDK (which has ceased to be maintained for
> years).
>
>
>
> Desired state:
>
> Read ArcGrid Files, and then use a PolygonExtractionProcess.
>
>
>
> Are there possibilities to not require the missing Class?
>
>
>
> Best,
>
> Georg
>
>
>
>
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