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  1. #1
    marito is offline Member
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    Red face problems with jasperreports-3.0.0 and jdk 1.3.1_11

    Hi

    in which jdk version should be run jasperreport 1.3.???

    I have a project that uses jasperreports-3.0.0 to show a file in .pdf format. The aplication server is SAP_J2EEngine6.20 and the jdk version is 1.3.1_11

    when i run the class that use jassperreport it shows the next message:

    java.lang.UnsupportedClassVersionError: net/sf/jasperreports/engine/JRDataSource (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(Secure ClassLoader.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)
    ....

    So when I runs it in jdk version is 1.6. it runs ok, but I need to work with jdk version 1.3.1_11, because in SAP_J2EEngine6.20, Versions different to the 1.3.1 are not supported, regardless of the OS and JVM Vendor.

    please can somebody help me.

    thanks!

  2. #2
    r035198x is offline Senior Member
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    Default

    You'd probably have to use an older version of jasperreports then.
    P.S Even 1.4 is now considered old and has reached its eol.

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