0

ローカルのフォーム環境でフォームを開こうとすると、Oracle フォームがクラッシュします。これは以前は機能していましたが、フォーム環境を再インストールした後、このエラーが発生し始めました。フォームもサーバー上で正常に機能しています。Java コンソールに次のエラーが表示されます。

Exception in thread "AWT-EventQueue-2" java.lang.NoClassDefFoundError: oracle/bali/share/sort/StringComparator
    at java.lang.Class.getDeclaredMethods0(Native Method)
    at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
    at java.lang.Class.getDeclaredMethod(Unknown Source)
    at java.awt.Component.isCoalesceEventsOverriden(Unknown Source)
    at java.awt.Component.isCoalesceEventsOverriden(Unknown Source)
    at java.awt.Component.access$500(Unknown Source)
    at java.awt.Component$3.run(Unknown Source)
    at java.awt.Component$3.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.awt.Component.checkCoalescing(Unknown Source)
    at java.awt.Component.<init>(Unknown Source)
    at java.awt.Container.<init>(Unknown Source)
    at oracle.ewt.lwAWT.LWComponent.<init>(Unknown Source)
    at oracle.ewt.lwAWT.LWDataSourceChoice.<init>(Unknown Source)
    at oracle.ewt.lwAWT.LWChoice.<init>(Unknown Source)
    at oracle.ewt.comboBox.ComboBox.<init>(Unknown Source)
    at oracle.ewt.comboBox.ComboBox.<init>(Unknown Source)
    at oracle.forms.ui.VComboBox.<init>(Unknown Source)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at java.lang.Class.newInstance0(Unknown Source)
    at java.lang.Class.newInstance(Unknown Source)
    at oracle.forms.handler.UICommon.instantiate(Unknown Source)
    at oracle.forms.handler.UICommon.onCreate(Unknown Source)
    at oracle.forms.handler.PopListItem.onCreate(Unknown Source)
    at oracle.forms.handler.ComboBoxItem.onCreate(Unknown Source)
    at oracle.forms.engine.Runform.onCreateHandler(Unknown Source)
    at oracle.forms.engine.Runform.processMessage(Unknown Source)
    at oracle.forms.engine.Runform.processSet(Unknown Source)
    at oracle.forms.engine.Runform.onMessageReal(Unknown Source)
    at oracle.forms.engine.Runform.onMessage(Unknown Source)
    at oracle.forms.engine.Runform.processEventEnd(Unknown Source)
    at oracle.ewt.lwAWT.LWComponent.redispatchEvent(Unknown Source)
    at oracle.ewt.lwAWT.LWComponent.processEvent(Unknown Source)
    at java.awt.Component.dispatchEventImpl(Unknown Source)
    at java.awt.Container.dispatchEventImpl(Unknown Source)
    at java.awt.Component.dispatchEvent(Unknown Source)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
    at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
    at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
    at java.awt.Container.dispatchEventImpl(Unknown Source)
    at java.awt.Component.dispatchEvent(Unknown Source)
    at java.awt.EventQueue.dispatchEvent(Unknown Source)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
    at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: oracle.bali.share.sort.StringComparator
    at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClassInternal(Unknown Source)
    ... 51 more
Caused by: java.io.IOException: open HTTP connection failed:http://virtualxp-64805:8889/forms/java/oracle/bali/share/sort/StringComparator.class
    at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
    at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
    at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    ... 55 more

Oracle Forms 10 リリース 2 を使用しており、Windows XP モードで実行しています。

4

1 に答える 1

0

頭を悩ませた後、これは Oracle Forms 10 リリース 2 (10.1.2.0.2) と Java 6 の間の非互換性が原因であることがわかりました。リスト項目をコンボ ボックスとして使用すると、エラーが発生します。幸いなことに修正があり、ローカル Oracle ホームに Oracle Developer Suite 10g Release 2 (10.1.2) Patch Set 3 (10.1.2.3.0) を適用します。残念ながら、これはフォームのダウンロード サイトに記載されていないため、見落としがちです。

于 2013-01-14T07:49:58.783 に答える