Hi Yong,
your error log's implication is quite apparant. By all means switch to a
JDK version as recent as possible, if you can. And, if you don't already
have thousands of lines of legacy code that uses iText 1.5.4, by all
means do yourself (and/or your organization) a favour and use the latest
version of iText, that is, 2.1.3.
br,
Ellen N. Zhao
Yang Yong schrieb:
> Hi,
> When I use Itext 1.5.4 with JDK 1.3,it will throw exception as:
> java.lang.UnsupportedClassVersionError:
> com/lowagie/text/pdf/IntHashtable (Unsupported major.minor version 48.0)
> at java.lang.ClassLoader.defineClass0(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:488)
> at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:106)
> at java.net.URLClassLoader.defineClass(URLClassLoader.java:243)
> at java.net.URLClassLoader.access$100(URLClassLoader.java:51)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:190)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:183)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:294)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:288)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:250)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:310)
> at jet.report.pdf.itext.ExportToPDF.<clinit>(QOIV:30)
> at jet.bean.JREngine.__sys__PRINTDATE(QOIV:5852)
> at jet.bean.JREngine.exportToPdf(QOIV:5581)
> at case_49928.main(case_49928.java:96)
> However,When I use Itext 1.5.4 with JDK 1.4,it works fine.So,Whether
> Itext1.5.4 must use JDK 1.4 or above?
> Thanks!
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