Problem in NWDS

Hi,
 I installed SAP Netweaver Developer studio version is 2.0.9 in my machine. Whenever i opened the JSP page i am getting following error in the NWDS.
NWDS error
Action canceled
Internet Explorer was unable to link to the Web page you requested. The page might be temporarily unavailable.
Please try the following:
Click the Refresh button, or try again later.
If you have visited this page previously and you want to view what has been stored on your computer, click File, and then click Work Offline.
For information about offline browsing with Internet Explorer, click the Help menu, and then click Contents and Index.
Internet Explorer
Pop up message box is opening error msg is:
 Title of pop up msg is " File Download"
 Some files can harm ur computer. If the file information below looks suspicious, or you do not fully trust the source do not open or save this file.
 File name: detail.jsp
 File type:
 From :C:\SAP\SureshPOC\dist\Portal-INF\Pagelet
followed by four buttons
 open,save,cancel and more info
Every time i am clicking cancel button and followed by source button in NWDS.....
Help me out
Thanks in advance

Hi,
I've got a solution for this although I'm not sure if it is ideal... The same problem has been annoying me for ages and I couldn't figure it out - it seems to be tied into how Windows OS handles the opening of files. As standard, the .jsp file is assigned to the Java virtual machine I think. This combined with what appears to be a problem in NDS causes the computer to try and run the .jsp page.
I've solved it by going into windows explorer then following the menu path:-
Tools>Folder Options>File Types
Then finding the .jsp entry and deleting it.
Some may say this isn't ideal but what it does is allow me to open .jsp files in NDS without any error messages. NDS won't let me preview them but I can see the source without errors.
Hope this is of some use.

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Thanks&Regards
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http://help.sap.com/saphelp_nw2004s/helpdata/en/55/434e782e2f294ba490eccbc0e5a6fc/frameset.htm
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 at org.eclipse.core.runtime.Platform.run(Platform.java:413)
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 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
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 at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass(DelegatingURLClassLoader.java:890)
 at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass(DelegatingURLClassLoader.java:862)
 at java.lang.ClassLoader.loadClass(Unknown Source)
 at java.lang.ClassLoader.loadClassInternal(Unknown Source)
 at com.tssap.config.ConfigPlugin.<clinit>(ConfigPlugin.java:17)
 ... 12 more
!ENTRY org.eclipse.ui 4 4 Oct 22, 2004 18:26:29.479
!MESSAGE Unhandled Exception
!ENTRY org.eclipse.ui 4 0 Oct 22, 2004 18:26:29.479
!MESSAGE Unhandled Exception
!STACK 0
java.lang.ExceptionInInitializerError
 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 org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActivation(PluginDescriptor.java:722)
 at org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation(PluginDescriptor.java:188)
 at org.eclipse.core.internal.plugins.PluginDescriptor.getPlugin(PluginDescriptor.java:306)
 at org.eclipse.ui.internal.Workbench$15.run(Workbench.java:1325)
 at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1006)
 at org.eclipse.core.runtime.Platform.run(Platform.java:413)
 at org.eclipse.ui.internal.Workbench$14.run(Workbench.java:1334)
 at java.lang.Thread.run(Unknown Source)
Caused by: org.eclipse.core.internal.boot.DelegatingURLClassLoader$DelegatingLoaderException: "Plug-in "com.tssap.util" activation failed while loading class "com.tssap.util.trace.TracingManager".
 at org.eclipse.core.internal.plugins.PluginClassLoader.activatePlugin(PluginClassLoader.java:116)
 at org.eclipse.core.internal.plugins.PluginClassLoader.internalFindClassParentsSelf(PluginClassLoader.java:185)
 at org.eclipse.core.internal.boot.DelegatingURLClassLoader.findClassParentsSelf(DelegatingURLClassLoader.java:485)
 at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass(DelegatingURLClassLoader.java:882)
 at org.eclipse.core.internal.boot.DelegatingURLClassLoader.access$0(DelegatingURLClassLoader.java:876)
 at org.eclipse.core.internal.boot.DelegatingURLClassLoader$DelegateLoader.loadClass(DelegatingURLClassLoader.java:90)
 at org.eclipse.core.internal.boot.DelegatingURLClassLoader.findClassPrerequisites(DelegatingURLClassLoader.java:554)
 at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass(DelegatingURLClassLoader.java:890)
 at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass(DelegatingURLClassLoader.java:862)
 at java.lang.ClassLoader.loadClass(Unknown Source)
 at java.lang.ClassLoader.loadClassInternal(Unknown Source)
 at com.tssap.config.ConfigPlugin.<clinit>(ConfigPlugin.java:17)
 ... 12 more
!SESSION -
!ENTRY org.eclipse.core.launcher 4 0 Oct 22, 2004 18:47:19.256
!MESSAGE Exception launching the Eclipse Platform:
!STACK
java.lang.reflect.InvocationTargetException
 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.core.launcher.Main.basicRun(Main.java:291)
 at org.eclipse.core.launcher.Main.run(Main.java:747)
 at org.eclipse.core.launcher.Main.main(Main.java:583)
Caused by: java.lang.RuntimeException: Fatal Error: Unable to locate matching org.eclipse.core.runtime plug-in.
 at org.eclipse.core.internal.boot.PlatformConfiguration.locateDefaultPlugins(PlatformConfiguration.java:2264)
 at org.eclipse.core.internal.boot.PlatformConfiguration.<init>(PlatformConfiguration.java:903)
 at org.eclipse.core.internal.boot.PlatformConfiguration.startup(PlatformConfiguration.java:1368)
 at org.eclipse.core.internal.boot.InternalBootLoader.initialize(InternalBootLoader.java:582)
 at org.eclipse.core.internal.boot.InternalBootLoader.startup(InternalBootLoader.java:1035)
 at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:838)
 at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461)
 ... 7 more
!SESSION -
!ENTRY org.eclipse.core.launcher 4 0 Oct 22, 2004 18:47:25.415
!MESSAGE Exception launching the Eclipse Platform:
!STACK
java.lang.reflect.InvocationTargetException
 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.core.launcher.Main.basicRun(Main.java:291)
 at org.eclipse.core.launcher.Main.run(Main.java:747)
 at org.eclipse.core.launcher.Main.main(Main.java:583)
Caused by: java.lang.RuntimeException: Fatal Error: Unable to locate matching org.eclipse.core.runtime plug-in.
 at org.eclipse.core.internal.boot.PlatformConfiguration.locateDefaultPlugins(PlatformConfiguration.java:2264)
 at org.eclipse.core.internal.boot.PlatformConfiguration.<init>(PlatformConfiguration.java:903)
 at org.eclipse.core.internal.boot.PlatformConfiguration.startup(PlatformConfiguration.java:1368)
 at org.eclipse.core.internal.boot.InternalBootLoader.initialize(InternalBootLoader.java:582)
 at org.eclipse.core.internal.boot.InternalBootLoader.startup(InternalBootLoader.java:1035)
 at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:838)
 at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461)
 ... 7 more
Any Idea? HOw to get rid of this problem?.

I have figured out the problem. Some of the plugins were missing from the installation source. I copied the missing plugins from other installation and it worked.

Problems with NWDS 7.1 EHP1 and JPA persistence unit

In EJB project with JPA Facet Iu2019m working without any problem for several days. But, after two weeks, JPA plug-in of Eclipse is not working fine.
When I try to generate DDL Iu2019m getting the following error window: There isnu2019t a registered persistence unit in the project. But this is not true. Curiously sometimes it works fine.
Can any body has any suggestion for correcting this issue?
Thanks in advanced.

Hi,
I had the same problem and luckily stumbled upon the solution today.
1. File persistence.xml is located in /ejbModule/META-INF. Path /build/classes is empty.
2. Right-click on the DC/project and select "Properties".
3. In "JPA", change parameter "Platform" or "Connection", then restore the original value. The purpose is to set a dirty flag which will make the IDE generate the missing stuff in path build/classes.
4. A copy of resource branch META-INF and the .classes files will appear below /build.
5. Right-click on the DC/Project and select "JPA-Tools -> Generate DDL".
Please let me know if it works for you.
Cheers,
Thorsten

Problem unpacking NWDS Stack 9 Patch 1

Hello,
I've downloaded SP stack 9 patch 1 of Netweaver Developer Studio and am encountering the following error when I try to unpack the files using SAPCAR:
SAPCAR: could not open for writing ./J2EE-RUNT-CD/IDE/eclipse/plugins/com.sap.tc
.ap/comp/CAF/DCs/sap.com/caf/mp/mmr/reader/_comp/gen/default/public/com.sap.caf.
rt.bol.exceptions/lib/java/com.sap.caf.rt.bol.exceptions.jar (error 28). The sys
tem cannot find the path specified
Any help with resolving this problem would be greatly appreciated. Thanks.
Brian

Problem has been solved. Issue was caused by following the Installation guide and trying to unpack both the J2EE engine and Netweaver Developer Studio into the same directory structure.

NWDS Start up problems

Hi,
My NWDS 7.0.13 is not starting up it says check the log file of .metadata folder.I have treid the option of deleting the metadata folder also reinstalling NWDS but the problem still persist.please help me out.

Nikhil,
Workspace problem while NWDS startup is due to...
1. Admin rights for your terminal are taken away and the workspace folder is deleted prior to that.
2. NWDS is installed using different user ID and so a workspace config dialog appears for your invocation.
Make sure that you have admin rights temporarily atleast during the workspace creation dialog step.
Hope this helps.
Regards,
Prasanna

Problem in NWDS

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