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Eclipse RCP中的EditorApp_1.0.0.qualifier找不到com.app.application.Application

[英]com.app.application.Application cannot be found by EditorApp_1.0.0.qualifier in Eclipse RCP

 原文  2016-01-05 14:59:48  8   1    java/ eclipse-plugin/ eclipse-rcp/ rcp

問題描述

我有一個RCP應用程序，看起來像這樣。

MANIFEST.MF 

Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: EditorApp
Bundle-SymbolicName: EditorApp;singleton:=true
Bundle-Version: 1.0.0.qualifier
Bundle-Activator: EditorApp.Activator
Bundle-Vendor: APP
Require-Bundle: org.eclipse.ui,
 org.eclipse.core.runtime,
 com.ibm.icu,
 org.eclipse.jface.databinding,
 org.eclipse.core.databinding.property,
 org.eclipse.core.databinding.observable,
 org.eclipse.core.databinding.beans,
 org.eclipse.core.databinding,
 org.eclipse.core.resources;bundle-version="3.9.1"
Bundle-RequiredExecutionEnvironment: JavaSE-1.8
Bundle-ActivationPolicy: lazy
Bundle-ClassPath: /Lib/mariadb-java-client-1.2.3.jar .
Export-Package: com.app.editor;
  uses:="org.osgi.framework,
   org.eclipse.ui,
   org.eclipse.jface.action,
   org.eclipse.equinox.app,
   org.eclipse.jface.resource,
   org.eclipse.ui.application,
   org.eclipse.ui.plugin",
 com.app.editor.actions;uses:="org.eclipse.jface.action",
 com.app.editor.beans,
 com.app.editor.functionalities;
  uses:="org.eclipse.swt.graphics,
   org.eclipse.swt.widgets,
   org.eclipse.jface.dialogs,
   javax.swing.tree",
 com.app.editor.handlers;uses:="org.eclipse.core.commands",
 com.app.editor.perspectives;uses:="org.eclipse.ui",
 com.app.editor.views;
  uses:="com.app.editor.beans,
   org.eclipse.swt.widgets,
   org.eclipse.swt.custom,
   com.app.editor.functionalities,
   org.eclipse.core.databinding,
   org.eclipse.jface.viewers,
   org.eclipse.ui.part"

plugin.xml中 

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>

   <extension
         id="application"
         point="org.eclipse.core.runtime.applications">
      <application>
         <run
               class="com.app.application.Application">
         </run>
      </application>
   </extension>
   <extension
         point="org.eclipse.ui.perspectives">
      <perspective
            name="RCP Perspective"
            class="com.app.editor.perspectives.Perspective"
            id="com.app.Editor.perspective">
      </perspective>
      <perspective
            class="com.app.editor.perspectives.NewFilePerspective"
            id="com.app.Editor.newFileperspective"
            name="New File Prespective">
      </perspective>
      <perspective
            class="com.app.editor.perspectives.OpenFilePerspective"
            id="com.app.Editor.openFileperspective"
            name="Open File Perspective">
      </perspective>
      <perspective
            class="com.app.editor.perspectives.CloseViewPerspective"
            id="com.app.Editor.closeViewperspective"
            name="Close View Prespective">
      </perspective>
   </extension>
   <extension
         point="org.eclipse.ui.commands">
      <command
            defaultHandler="com.app.editor.handlers.NewFileHandler"
            id="com.app.Editor.New"
            name="New">
      </command>
      <command
            defaultHandler="com.app.editor.handlers.OpenHandler"
            id="com.app.Editor.Open"
            name="Open">
      </command>
      <command
            defaultHandler="com.app.editor.handlers.ExitHandler"
            id="com.app.Editor.commands.Exit"
            name="Exit">
      </command>
      <command
            defaultHandler="com.app.editor.handlers.CloseHandler"
            id="com.app.Editor.close"
            name="Close">
      </command>
      <command
            defaultHandler="com.app.editor.handlers.AboutHandler"
            description="About"
            id="com.app.Editor.about"
            name="About">
      </command>
      <command
            defaultHandler="com.app.editor.handlers.SaveHandler"
            id="com.app.Editor.Save"
            name="Save">
      </command>
      <command
            defaultHandler="com.app.editor.handlers.SaveAsHandler"
            id="com.app.Editor.SaveAs"
            name="Save As..">
      </command>
   </extension>
   <extension
         point="org.eclipse.ui.menus">
      <menuContribution
            allPopups="false"
            locationURI="menu:org.eclipse.ui.main.menu">
         <menu
               id="fileMenu"
               label="File">
            <command
                  commandId="com.app.Editor.New"
                  label="New"
                  style="push">
            </command>
            <command
                  commandId="com.app.Editor.Open"
                  label="Open"
                  style="push">
            </command>
            <command
                  commandId="com.app.Editor.Save"
                  label="Save"
                  style="push">
            </command>
            <command
                  commandId="com.app.Editor.SaveAs"
                  label="Save As.."
                  style="push">
            </command>
            <command
                  commandId="com.app.Editor.close"
                  label="Close"
                  style="push">
            </command>
            <command
                  commandId="com.app.Editor.commands.Exit"
                  label="Exit"
                  style="push">
            </command>
         </menu>
         <menu
               id="helpMenu"
               label="Help">
            <command
                  commandId="com.app.Editor.about"
                  label="About"
                  style="push">
            </command>
         </menu>
      </menuContribution>
   </extension>
   <extension
         point="org.eclipse.ui.views">
      <view
            class="com.app.editor.views.OpenView"
            id="com.app.Editor.openView"
            name="OpenView"
            restorable="true">
      </view>
      <view
            class="com.app.editor.views.CloseView"
            id="com.app.Editor.closeView"
            name="CloseView"
            restorable="true">
      </view>
      <view
            allowMultiple="false"
            class="com.app.editor.views.NewView"
            id="com.app.Editor.newView"
            name="NewView"
            restorable="true">
      </view>
      <view
            class="com.app.editor.views.TreeView"
            id="com.app.Editor.treeView"
            name="TreeView"
            restorable="true">
      </view>
   </extension>
   <extension
         point="org.eclipse.ui.bindings">
   </extension>
</plugin>

Build.properties 

output.. = bin/
bin.includes = plugin.xml,\
               META-INF/,\
               library/,\
               library/mariadb-java-client-1.2.3.jar

擴展點。 

   <extension
         id="application"
         point="org.eclipse.core.runtime.applications">
      <application>
         <run
               class="com.app.application.Application">
         </run>
      </application>
   </extension>

但是，當我嘗試運行此代碼時，這會出現錯誤- 

!SESSION 2016-01-05 15:57:41.080 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.8.0_45
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Framework arguments:  -application EditorApp.application
Command-line arguments:  -application EditorApp.application -data C:\Srijani\Personal Workspace\RCP/../runtime-EditorApp.application -dev file:C:/Srijani/Personal Workspace/RCP/.metadata/.plugins/org.eclipse.pde.core/EditorApp.application/dev.properties -debug C:\Srijani\Personal Workspace\RCP\.metadata\.plugins\org.eclipse.pde.core\EditorApp.application/.options -os win32 -ws win32 -arch x86 -consoleLog

!ENTRY org.eclipse.osgi 2 0 2016-01-05 15:57:42.378
!MESSAGE com.app.application.Application cannot be found by EditorApp_1.0.0.qualifier
!STACK 0
java.lang.ClassNotFoundException: com.app.application.Application cannot be found by EditorApp_1.0.0.qualifier
    at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:432)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:345)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:337)
    at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:568)
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
    at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)
    at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
    at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:191)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1438)

!ENTRY org.eclipse.osgi 4 0 2016-01-05 15:57:42.378
!MESSAGE Application error
!STACK 1
org.eclipse.core.runtime.CoreException: Plug-in EditorApp was unable to load class com.app.application.Application.
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.throwException(RegistryStrategyOSGI.java:194)
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:176)
    at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)
    at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
    at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:191)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1438)
Caused by: java.lang.ClassNotFoundException: com.app.application.Application cannot be found by EditorApp_1.0.0.qualifier
    at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:432)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:345)
    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:337)
    at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:568)
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
    ... 16 more

如您所見，com.app.application.Application類是此應用程序EditorApp的入門級類，它確實存在。 但是，以某種方式，應用程序在運行時無法找到它。

有什么可能的原因嗎？ 是否有可能在調用類之前未加載該類？ 如果是這樣，我該如何處理？

我正在使用Jdk 64位和Eclipse Luna。

注意：更新的清單 

Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: EditorApp
Bundle-SymbolicName: EditorApp;singleton:=true
Bundle-Version: 1.0.0.qualifier
Bundle-Vendor: APP
Require-Bundle: org.eclipse.ui,
 org.eclipse.core.runtime,
 com.ibm.icu,
 org.eclipse.jface.databinding,
 org.eclipse.core.databinding.property,
 org.eclipse.core.databinding.observable,
 org.eclipse.core.databinding.beans,
 org.eclipse.core.databinding,
 org.eclipse.core.resources;bundle-version="3.9.1"
Bundle-RequiredExecutionEnvironment: JavaSE-1.8
Bundle-ActivationPolicy: lazy
Bundle-ClassPath: .,
 library/mariadb-java-client-1.2.3.jar
Export-Package: com.app.editor;
  uses:="org.osgi.framework,
   org.eclipse.ui,
   org.eclipse.jface.action,
   org.eclipse.equinox.app,
   org.eclipse.jface.resource,
   org.eclipse.ui.application,
   org.eclipse.ui.plugin",
 com.app.editor.actions;uses:="org.eclipse.jface.action",
 com.app.editor.beans,
 com.app.editor.functionalities;
  uses:="org.eclipse.swt.graphics,
   org.eclipse.swt.widgets,
   org.eclipse.jface.dialogs,
   javax.swing.tree",
 com.app.editor.handlers;uses:="org.eclipse.core.commands",
 com.app.editor.perspectives;uses:="org.eclipse.ui",
 com.app.editor.views;
  uses:="com.app.editor.beans,
   org.eclipse.swt.widgets,
   org.eclipse.swt.custom,
   com.app.editor.functionalities,
   org.eclipse.core.databinding,
   org.eclipse.jface.viewers,
   org.eclipse.ui.part"

1 個解決方案

解決方案1
 2  2016-01-05 15:09:46

MANIFEST.MF中的Bundle-Classpath條目看起來錯誤。 條目應以逗號分隔。 它看起來應該像這樣： 

Bundle-ClassPath: .,
 lib/jogg-0.0.7.jar,
 lib/jorbis-0.0.15.jar,
 lib/vorbisspi1.0.2.jar

使用MANIFEST.MF編輯器的“運行時”選項卡上的“類路徑”部分進行設置。

您的build.properties應該在Lib/mariadb-java-client-1.2.3.jar列表中列出Lib/mariadb-java-client-1.2.3.jar ，否則，該jar不會包含在插件中。

您的插件激活器實際上稱為EditorApp.Activator嗎？ 如果不存在，請修復激活程序包（或不指定激活程序）。

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