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
问题描述
I have an RCP application which looks like this. 
我有一个RCP应用程序，看起来像这样。
MANIFEST.MF 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 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 Build.properties
output.. = bin/
bin.includes = plugin.xml,\
META-INF/,\
library/,\
library/mariadb-java-client-1.2.3.jar
Extension point. 扩展点。
<extension
id="application"
point="org.eclipse.core.runtime.applications">
<application>
<run
class="com.app.application.Application">
</run>
</application>
</extension>
But, when I am trying to run this code, this gives an error - 但是，当我尝试运行此代码时，这会出现错误-
!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
As you can already see that, class com.app.application.Application is the entry level class for this app EditorApp and it does exist. 如您所见，com.app.application.Application类是此应用程序EditorApp的入门级类，它确实存在。 But, somehow , the application is not able to find it while running. 但是，以某种方式，应用程序在运行时无法找到它。
Is there any possible reasons for this one? 有什么可能的原因吗？ Is it possible that the class is not getting loaded before it is getting called? 是否有可能在调用类之前未加载该类？ If so, how I can Handle it? 如果是这样，我该如何处理？
I am using, Jdk 64 bit and Eclipse Luna. 我正在使用Jdk 64位和Eclipse Luna。
Note: Updated MANIFEST 注意：更新的清单
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 个解决方案
解决方案1
2 2016-01-05 15:09:46
The Bundle-Classpath entry in the MANIFEST.MF looks wrong. MANIFEST.MF中的Bundle-Classpath条目看起来错误。 Entries should be separated by commas. 条目应以逗号分隔。 It should look something like: 它看起来应该像这样：
Bundle-ClassPath: .,
lib/jogg-0.0.7.jar,
lib/jorbis-0.0.15.jar,
lib/vorbisspi1.0.2.jar
Use the 'Classpath' section on the 'Runtime' tab of the MANIFEST.MF editor to set this. 使用MANIFEST.MF编辑器的“运行时”选项卡上的“类路径”部分进行设置。
Your build.properties should list the Lib/mariadb-java-client-1.2.3.jar in the includes list, without this the jar will not be included in the plugin. 您的build.properties应该在Lib/mariadb-java-client-1.2.3.jar列表中列出Lib/mariadb-java-client-1.2.3.jar ，否则，该jar不会包含在插件中。
Is your plugin activator actually called EditorApp.Activator ? 您的插件激活器实际上称为EditorApp.Activator吗？ If this does not exist fix the activator package (or don't specify an activator). 如果不存在，请修复激活程序包（或不指定激活程序）。
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