java.lang.UnsupportedClassVersionError: oracle/forms/fd/DrawLAF (Unsupported major.minor version 49.0)

Oracle Community | 175645 | 10 years ago
  1. 0

    java.lang.UnsupportedClassVersionError

    Oracle Community | 10 years ago | 175645
    java.lang.UnsupportedClassVersionError: oracle/forms/fd/DrawLAF (Unsupported major.minor version 49.0)
  2. 0

    TOS-win32-x86 - "An error has occured. See the log file" (Page 1) / Data Integration - Installation / Talend Community Forum

    talendforge.org | 11 months ago
    java.lang.UnsupportedClassVersionError: org/talend/osgi/configurator/JarLoaderConfigurator : Unsupported major.minor version 51.0
  3. 0

    log4j first run errors

    GitHub | 2 years ago | divious1
    java.lang.UnsupportedClassVersionError: clj_json/JsonExt : Unsupported major.minor version 51.0, compiling:(clj_json/core.clj:1:1)
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  5. 0

    Has Java 7 happened already?

    GitHub | 2 years ago | huntc
    sbt.IncompatiblePluginsException: Binary incompatibility in plugins detected. Note that conflicts were resolved for some dependencies: org.apache.commons:commons-compress org.tukaani:xz
  6. 0

    the launcher can't be started

    GitHub | 4 years ago | obe567
    java.lang.UnsupportedClassVersionError: net/ftb/gui/LaunchFrame : Unsupported major.minor version 51.0

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    oracle/forms/fd/DrawLAF (Unsupported major.minor version 49.0)

    at java.lang.ClassLoader.defineClass0()
  2. Java RT
    Class.forName
    1. java.lang.ClassLoader.defineClass0(Native Method)
    2. java.lang.ClassLoader.defineClass(Unknown Source)
    3. java.security.SecureClassLoader.defineClass(Unknown Source)
    4. java.net.URLClassLoader.defineClass(Unknown Source)
    5. java.net.URLClassLoader.access$100(Unknown Source)
    6. java.net.URLClassLoader$1.run(Unknown Source)
    7. java.security.AccessController.doPrivileged(Native Method)
    8. java.net.URLClassLoader.findClass(Unknown Source)
    9. sun.applet.AppletClassLoader.findClass(Unknown Source)
    10. java.lang.ClassLoader.loadClass(Unknown Source)
    11. sun.applet.AppletClassLoader.loadClass(Unknown Source)
    12. java.lang.ClassLoader.loadClass(Unknown Source)
    13. java.lang.ClassLoader.loadClassInternal(Unknown Source)
    14. java.lang.Class.forName0(Native Method)
    15. java.lang.Class.forName(Unknown Source)
    15 frames
  3. oracle.forms.handler
    JavaContainer.onCreate
    1. oracle.forms.handler.UICommon.instantiate(Unknown Source)
    2. oracle.forms.handler.UICommon.onCreate(Unknown Source)
    3. oracle.forms.handler.JavaContainer.onCreate(Unknown Source)
    3 frames
  4. oracle.forms.engine
    Main.start
    1. oracle.forms.engine.Runform.onCreateHandler(Unknown Source)
    2. oracle.forms.engine.Runform.processMessage(Unknown Source)
    3. oracle.forms.engine.Runform.processSet(Unknown Source)
    4. oracle.forms.engine.Runform.onMessageReal(Unknown Source)
    5. oracle.forms.engine.Runform.onMessage(Unknown Source)
    6. oracle.forms.engine.Runform.sendInitialMessage(Unknown Source)
    7. oracle.forms.engine.Runform.startRunform(Unknown Source)
    8. oracle.forms.engine.Main.createRunform(Unknown Source)
    9. oracle.forms.engine.Main.start(Unknown Source)
    9 frames
  5. Java RT
    Thread.run
    1. sun.applet.AppletPanel.run(Unknown Source)
    2. java.lang.Thread.run(Unknown Source)
    2 frames