I am making a GWT application that involves users being able to upload files. My question is...
What is wrong with GWT?? It seems like every time I try to include a jar file in my project, it doesn't like it. I am using Eclipse. Everything compiles fine, but during runtime, UmbrellaExceptions happen, which get traced back to some ClassNotFoundException eventually (relating to whatever new jarrified class I just tried to use).
I read something about this somewhere else, but I can't remember exactly what the deal is; for whatever reason GWT just isn't compatible with some libraries..? Like java.io, for example. Pretty much everything in that package causes this to happen. Like, I can't even use FileNotFoundException for simple File I/O.
Again, just to clarify: everything imports and compiles fine, but GWT doesn't want to load certain classes for some reason.
My latest problem is trying to use Apache's Tika stuff for file validation. Attempting to instantiate any of their classes such as
Metadata metadata = new Metadata();
causes
java.lang.ClassNotFoundException: org.apache.tika.metadata.Metadata
at com.google.gwt.dev.shell.CompilingClassLoader.findClass(CompilingClassLoader.java:1061)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at gwtupload.client.Uploader$10.onSubmit(Uploader.java:454)
at com.google.gwt.user.client.ui.FormPanel$SubmitEvent.dispatch(FormPanel.java:178)
at com.google.gwt.user.client.ui.FormPanel$SubmitEvent.dispatch(FormPanel.java:1)
at com.google.gwt.event.shared.GwtEvent.dispatch(GwtEvent.java:1)
at com.google.web.bindery.event.shared.EventBus.dispatchEvent(EventBus.java:40)
at com.google.web.bindery.event.shared.SimpleEventBus.doFire(SimpleEventBus.java:193)
at com.google.web.bindery.event.shared.SimpleEventBus.fireEvent(SimpleEventBus.java:88)
at com.google.gwt.event.shared.HandlerManager.fireEvent(HandlerManager.java:127)
at com.google.gwt.user.client.ui.Widget.fireEvent(Widget.java:129)
at com.google.gwt.user.client.ui.FormPanel.fireSubmitEvent(FormPanel.java:618)
at com.google.gwt.user.client.ui.FormPanel.submit(FormPanel.java:556)
at gwtupload.client.Uploader.submit(Uploader.java:1051)
at gwtupload.client.SingleUploader$1.onClick(SingleUploader.java:141)
at com.google.gwt.event.dom.client.ClickEvent.dispatch(ClickEvent.java:54)
at com.google.gwt.event.dom.client.ClickEvent.dispatch(ClickEvent.java:1)
at com.google.gwt.event.shared.GwtEvent.dispatch(GwtEvent.java:1)
at com.google.web.bindery.event.shared.EventBus.dispatchEvent(EventBus.java:40)
at com.google.web.bindery.event.shared.SimpleEventBus.doFire(SimpleEventBus.java:193)
at com.google.web.bindery.event.shared.SimpleEventBus.fireEvent(SimpleEventBus.java:88)
at com.google.gwt.event.shared.HandlerManager.fireEvent(HandlerManager.java:127)
at com.google.gwt.user.client.ui.Widget.fireEvent(Widget.java:129)
at com.google.gwt.event.dom.client.DomEvent.fireNativeEvent(DomEvent.java:116)
at com.google.gwt.user.client.ui.Widget.onBrowserEvent(Widget.java:177)
at com.google.gwt.user.client.DOM.dispatchEventImpl(DOM.java:1351)
at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1307)
at sun.reflect.GeneratedMethodAccessor33.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172)
at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:337)
at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:218)
at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)
at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561)
at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:269)
at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91)
at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:213)
at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172)
at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:292)
at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:546)
at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
at java.lang.Thread.run(Unknown Source)
GWT compiles your code to Javascript, which runs in the web browser. You cannot use java.io to do simple file I/O, because Javascript in the browser is not allowed to do file I/O. Almost any interesting library will access classes that are not emulated by the GWT runtime.
Further to this, the GWT runtime will not automatically include a JAR file when compiling to Javascript. You need the source code available, and you need to write the XML descriptor to include the library source in Javascript generation.
See this thread and this tutorial on extending GWT.
This is because due to the way it works, GWT has to emulate classes of the JRE.
If you want to use another class in GWT, you'll have to derive it from GWT's base classes. A few libraries exist out there which extend GWT on the client side.
On the server side, however, any library can be used.
Related
My actual problem is a derivation of the title, but the title is the root cause of my issue:
I am developing a java web application at work. The server my application is to be deployed on, only accepts java 6 or lower (WebLogic 10.3.2)
I need to call a web service in my application. My experience in this area is limited. I have been able to make it work, but when I integrated my code into the web application, compiled and tested it, I got this error:
Exception in thread "main" java.lang.ClassCastException: sun.reflect.generics.reflectiveObjects.GenericArrayTypeImpl cannot be cast to java.lang.Class
at com.sun.xml.internal.bind.v2.model.impl.RuntimeModelBuilder.createArrayInfo(Unknown Source)
at com.sun.xml.internal.bind.v2.model.impl.RuntimeModelBuilder.createArrayInfo(Unknown Source)
at com.sun.xml.internal.bind.v2.model.impl.ModelBuilder.getTypeInfo(Unknown Source)
at com.sun.xml.internal.bind.v2.model.impl.ElementInfoImpl.<init>(Unknown Source)
at com.sun.xml.internal.bind.v2.model.impl.RuntimeElementInfoImpl.<init>(Unknown Source)
at com.sun.xml.internal.bind.v2.model.impl.RuntimeModelBuilder.createElementInfo(Unknown Source)
at com.sun.xml.internal.bind.v2.model.impl.RuntimeModelBuilder.createElementInfo(Unknown Source)
at com.sun.xml.internal.bind.v2.model.impl.RegistryInfoImpl.<init>(Unknown Source)
at com.sun.xml.internal.bind.v2.model.impl.ModelBuilder.addRegistry(Unknown Source)
at com.sun.xml.internal.bind.v2.model.impl.ModelBuilder.getTypeInfo(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getTypeInfoSet(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.<init>(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(Unknown Source)
at com.sun.xml.internal.bind.v2.ContextFactory.createContext(Unknown Source)
at com.sun.xml.internal.bind.api.JAXBRIContext.newInstance(Unknown Source)
at com.sun.xml.internal.ws.developer.JAXBContextFactory$1.createJAXBContext(Unknown Source)
at com.sun.xml.internal.ws.model.AbstractSEIModelImpl$1.run(Unknown Source)
at com.sun.xml.internal.ws.model.AbstractSEIModelImpl$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.xml.internal.ws.model.AbstractSEIModelImpl.createJAXBContext(Unknown Source)
at com.sun.xml.internal.ws.model.AbstractSEIModelImpl.postProcess(Unknown Source)
at com.sun.xml.internal.ws.model.RuntimeModeler.buildRuntimeModel(Unknown Source)
at com.sun.xml.internal.ws.client.WSServiceDelegate.createSEIPortInfo(Unknown Source)
at com.sun.xml.internal.ws.client.WSServiceDelegate.addSEI(Unknown Source)
at com.sun.xml.internal.ws.client.WSServiceDelegate.getPort(Unknown Source)
at com.sun.xml.internal.ws.client.WSServiceDelegate.getPort(Unknown Source)
at com.sun.xml.internal.ws.client.WSServiceDelegate.getPort(Unknown Source)
at com.sun.xml.internal.ws.client.WSServiceDelegate.getPort(Unknown Source)
at javax.xml.ws.Service.getPort(Unknown Source)
at com.example.mypackage.MyClient.invokeService(MyClient.java:64)
at Test.main(Test.java:7)
I have traced this error back to being a java version issue. It works in 7, but the Exception is thrown on method execution, if I compile in 6, which I have to do for the web app. The line where my exception is thrown, is the one with NotificationRecieverSoapInterface.class below:
NotifikationRecieverSoap service = null;
try {
service = new NotifikationRecieverSoap(new URL("[myURL].svc?wsdl"));
} catch (MalformedURLException e) {
e.printStackTrace();
}
NotificationRecieverSoapInterface notificationService = service.getPort(NotificationRecieverSoapInterface.class);
notifikationService.createNotificationRequest(logHeader, loginModule, parmV, priority, recipients);
The Service.getPort()-method seems identical in the two java versions, so I'm at a loss there. the sun.reflect.generics.reflectiveObjects.GenericArrayTypeImpl are also identical in 6 and 7.
The closest thing I found to a similar problem online, was this: http://forum.spring.io/forum/spring-projects/container/26020-classcastexception-genericarraytypeimpl-cannot-be-cast-to-class. Unfortunately, the solution here was that there is a bug in Spring, which I am not using...
Does anyone know more specifically what my problem is, and if it can be worked around, using only Java 6?
I do have a lot more code to show. I have chosen the parts I think is most relevant to the problem. I can provide jax-ws-generated classes for data structure, or sample xml's as well, on request.
Ok... I used this method to generate the web service classes: http://www.mkyong.com/webservices/jax-ws/jax-ws-wsimport-tool-example/
I realized that I had used a 1.7 JDK when calling the wsimport.exe. This was incompatible with my 1.6 project. After regenerating the classes with the wsimport.exe found in the correct JDK 1.6, the java classes were slightly different, and compatible with my project's setup.
I have deployed a java hello world "inside a browser" on http://www.applesweet.net/home.htm just to show that things are working fine. You can try it by just typing the url. The package is built using Netbeans.
Therefore, I try to deploy something more complicated using the same method. It's actually a client application I developed with JSE(1.8) + JavaFX8 + Persistence(Eclipse lib). You can try it with this link http://www.applesweet.net/dist/ProjCostTracking.html. It gives me the following error in the Java console.
java.security.AccessControlException: access denied ("java.util.PropertyPermission" "eclipselink.persistencexml" "read")
at java.security.AccessControlContext.checkPermission(Unknown Source)
at java.security.AccessController.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at sun.plugin2.applet.FXAppletSecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkPropertyAccess(Unknown Source)
at java.lang.System.getProperty(Unknown Source)
at org.eclipse.persistence.internal.jpa.deployment.PersistenceUnitProcessor.findPersistenceArchives(PersistenceUnitProcessor.java:275)
at org.eclipse.persistence.internal.jpa.deployment.JPAInitializer.findPersistenceUnitInfoInArchives(JPAInitializer.java:150)
at org.eclipse.persistence.internal.jpa.deployment.JPAInitializer.findPersistenceUnitInfo(JPAInitializer.java:135)
at org.eclipse.persistence.jpa.PersistenceProvider.createEntityManagerFactory(PersistenceProvider.java:177)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:79)
at ProjCostTracking.KYdb.getEntityManagerFactory(KYdb.java:69)
at ProjCostTracking.KYdb.(KYdb.java:31)
at ProjCostTracking.Main.start(Main.java:161)
at com.sun.javafx.applet.FXApplet2$2.run(Unknown Source)
at com.sun.javafx.application.PlatformImpl$6$1.run(Unknown Source)
at com.sun.javafx.application.PlatformImpl$6$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl$6.run(Unknown Source)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.access$300(Unknown Source)
at com.sun.glass.ui.win.WinApplication$4$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
The code is here:
I have tried to hard coded the username, password, ip address and port. The application runs fine as a standalone application.
I am aware of the file persistence.xml must be accessible. I am aware that the persistence.xml is already inside the JAR file. However, I sort of put it everywhere I can; under WEB-INF or along side with the JAR file and even inside LIB folder just in case.
The following snapshot shows how my files are deployed on the Godaddy web hosting service.
It's more like likely related to JPA...but I just can't figure it out. It is working fine as a standalone application.
Any suggestion is welcomed, thanks for the guidance. :)
Kindly guide me to resolve following issue.
I have created a separate GWT module for view entities entities.
Following is the structure of my project:
gwt-application : (Presentation related code resides here and I have used GWT-Platform and SmartGwt)
gwt-commons-entities : (GWT Module : This will contain entities to be shared between gwt-applicaiton gwt-service-layer)
gwt-service-layer : (Will contain business logic of the application)
I am facing following exception when I run this application in dev mode (Eclipse -> Run As -> Web Application):
(UnknownFileName:-1) 2012-03-26 14:30:47,069 [FATAL] Uncaught Exception:
com.google.gwt.core.client.JavaScriptException: (null): null
at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:248)
at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)
at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561)
at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:269)
at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91)
at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:213)
at sun.reflect.GeneratedMethodAccessor39.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172)
at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:292)
at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:546)
at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
at java.lang.Thread.run(Unknown Source)
I am not getting such exception when I have my entities in gwt-application.
But I will have to make big architectural changes to my application so I have to put view entities in separate module so that it can be shared.
Appreciate for any clues.
Gotcha. Forgot to call toString() for grid's attribute value. Strange thing observed here it throws above mentioned exception in dev mode however it works fine if generated war of GWT application is deployed in tomcat. GWT caused big pain and cost me 3 days to resolve this.
Following situation:
At work we have an own plugin that extends some JDT features and builds some helper functions for our own framework. So far so good.
The plugin includes following class:
public class MoxLogFactory extends org.apache.commons.logging.LogFactory {
...
}
(I left out the concrete implementation because it's really comprehensive)
Now I added the WindowBuilder-Plugin to my eclipse installation. I can create new projects and classes with the wizards included. But the main feature - the editor himself - isn't working. It comes out, that the WindowBuilder tries to load the class "MoxLogFactory" from our plugin! I attached the stacktrace which comes up if I open the editor:
java.lang.ClassNotFoundException: org.dreamox.moxanos.log.MoxLogFactory
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.apache.commons.logging.LogFactory.createFactory(LogFactory.java:1261)
at org.apache.commons.logging.LogFactory$2.run(LogFactory.java:1065)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.commons.logging.LogFactory.newFactory(LogFactory.java:1062)
at org.apache.commons.logging.LogFactory.getFactory(LogFactory.java:497)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:704)
at org.apache.commons.digester.Digester.<init>(Digester.java:340)
at org.eclipse.wb.internal.core.model.description.helpers.ComponentDescriptionHelper.getDescription0(ComponentDescriptionHelper.java:375)
at org.eclipse.wb.internal.core.model.description.helpers.ComponentDescriptionHelper.getDescription0(ComponentDescriptionHelper.java:289)
at org.eclipse.wb.internal.core.model.description.helpers.ComponentDescriptionHelper.getDescription(ComponentDescriptionHelper.java:258)
at org.eclipse.wb.internal.core.model.JavaInfoUtils.createJavaInfo(JavaInfoUtils.java:386)
at org.eclipse.wb.internal.rcp.parser.ParseFactory.getRootContext(ParseFactory.java:184)
at org.eclipse.wb.internal.core.parser.JavaInfoParser.prepareParseContext(JavaInfoParser.java:1185)
at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:244)
at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$9(JavaInfoParser.java:240)
at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:153)
at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:1)
at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runDesignTime(ExecutionUtils.java:153)
at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:151)
at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:522)
at org.eclipse.wb.internal.core.editor.DesignPage.access$9(DesignPage.java:510)
at org.eclipse.wb.internal.core.editor.DesignPage$8$1.run(DesignPage.java:437)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4683)
at org.eclipse.wb.internal.core.editor.DesignPage$8.run(DesignPage.java:434)
at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464)
at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372)
at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507)
at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF_withProgress(DesignPage.java:453)
at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:403)
at org.eclipse.wb.internal.core.editor.UndoManager.refreshDesignerEditor(UndoManager.java:381)
at org.eclipse.wb.internal.core.editor.UndoManager.activate(UndoManager.java:90)
at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState_True(DesignPage.java:251)
at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState(DesignPage.java:229)
at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode.showPage(DefaultMultiMode.java:125)
at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode$1.widgetSelected(DefaultMultiMode.java:63)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:774)
at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:2746)
at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1433)
at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:257)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:999)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:893)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:85)
at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:579)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:534)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:352)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
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:624)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:579)
at org.eclipse.equinox.launcher.Main.run(Main.java:1433)
at org.eclipse.equinox.launcher.Main.main(Main.java:1409)
Our plugin doesn't export anything, so why is the WindowBuilder trying to load a class from it? Where do it gets the information to load this class? If I uninstall our plugin the WindowBuilder works fine, but I need both plugins to work efficiently.
I found, that in MoxLogFactory in one static method there is a line
System.setProperty("org.apache.commons.logging.LogFactory","org.dreamox.moxanos.log.MoxLogFactory");
I thought every plugin runs in a sandbox and so this isn't really a problem, but when I see the stacktrace, it seems, that this system property is "global in eclipse". The MoxLogFactory class is also used in our application server framework so this code is needed - the plugin uses the framework itself to work.
I don't know how to solve this problem and would appreciate any hint or idea.
Here are some options:
Remove that static initialization of the JVM level system property and replace it by a command line option only when needed
In your static initializer, test Eclipse execution context by asking the ClassLoader for org.eclipse.equinox.launcher.Main class for instance, and if so, do not set the logfactory property
System properties belong to the JVM, not to a class loader. By setting your logger as a System property, presumably so that it will be loaded automatically, you have told the entire system to use it. When the other plugin loads and attempts to initialize its logging (which appears to also use Apache Commons Logging), it reads the System property, attempts to load the class found therein, and promptly fails because it cannot see into your plugin.
I want to create an excutable file for my java project, previous time I do it by Jbuilder or netbean as I remember but I dont know how I should do it in JDeveloper to make Excutable file(EXE file)
please advice me, please describe clearly...
EDIT:
It's simple desktop application.it is not web application....
EDIT2:
I remove that part for checking argument and run my program I face with this problem:
what should I do?
Executing: C:\JDeveloper\mywork\SourceManagmentTools\Client\deploy\SMT.exe
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: oracle/jdeveloper/layout/VerticalFlowLayout
at Main.GUI.SmMainFrame.<init>(SmMainFrame.java:134)
at Main.GUI.SmRun.<init>(SmRun.java:25)
at Main.GUI.SmRun$1.run(SmRun.java:82)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(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.jdeveloper.layout.VerticalFlowLayout
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 17 more
Have you considered Launch4j?
Regarding your configuration problem, the Launch4J documetation says:
Additional JVM options at runtime
When you create a wrapper or launcher
all configuration details are compiled
into the executable and cannot be
changed without recreating it or
hacking with a resource editor.
Launch4j 2.1.2 introduces a new
feature that allows to pass additional
JVM options at runtime from an
.l4j.ini file. Now you can specify the
options in the configuration file, ini
file or in both, but you cannot
override them. The ini file's name
must correspond to the executable's
(myapp.exe : myapp.l4j.ini). The
arguments should be separated with
spaces or new lines, environment
variable expansion is supported, for
example:
# Launch4j runtime config
-Dswing.aatext=true
-Dsomevar="%SOMEVAR%"
-Xms16m
Other alternatives that you may consider are JSmooth,WinRun4J.
If your desktop application has a GUI, and you can distribute it from a site, look to Java Web Start.
JWS provides a 'one-click' installation option for the end user, automatic updates, desktop integration, splash screens and much more. It is part of the standard Java(1) distribution (since 1.4.2) & is supported by Oracle.
(1) JWS works with standard Jar files - no exe needed, which means it will work on *nix & Mac.
it so simple guys...
I solved my problem in this way...simplest way....
first of all check the version of java that installed in your client computer, you check by this command in CMD:
java -version
after you make sure about java version you need to make a bat file. [conflict in version maybe cause null except] after that you should know which external package u used in this project... for example I used 1 file for connecting to oracle database "ojdbc14" and the other for GUI, after that you can simply run your program or even pass parameter to them by just mention them at end of name of runable of your class:
java -client -classpath ojdbc14.jar;lipstikLF-1.1.jar;swing-layout.jar;smt.jar Main.GUI.SmRun rimrim
I guess those library we used in our project need also run, but I am not sure, I just suggest this work
java -client -classpath <name of you library>;<name of you library>;<name of your jar file> nameOfPackage.nameOfRunClass parameter[if any]
I will so appreciate if anybody add some useful info to this post