OEPE breaking Scala-IDE? (JDT Weaving)

Hello All
I'm trying to install the Scala-IDE into the latest Eclipse-Kepler JEE release. The Scala-IDE installs and behaves fine, but if I then install either the OEPE or just the Weblogic Server Tools the JDT Weaving is disabled, and it does not seem possible to re-enable them. This breaks the Scala-IDE. I have also tried to first install OEPE, then the Scala IDE, but the JDT Weaving remains disabled. I have tried both 32-bit and 64-bit windows installs, running on Windows 8.1 with latest JDK-7.
Eclipse Installation Info:
Eclipse IDE for Java EE Developers 2.0.1.20130919-0803 epp.package.jee
JDT Weaving for Scala 3.0.2.v-2_10-201310181157-0880865 org.scala-ide.sdt.weaving.feature.feature.group scala-ide.org
Scala IDE for Eclipse 3.0.2.v-2_10-201310181157-0880865 org.scala-ide.sdt.feature.feature.group scala-ide.org
Scala Worksheet 0.2.1.v-2_10-201310181203-557328b org.scalaide.worksheet.feature.feature.group Scala IDE
ScalaTest for Scala IDE 2.9.3.v-3-2_10-201310190808-60feeb3 org.scala-ide.sdt.scalatest.feature.feature.group scala-ide.org
I'd really like to be able to use Scala and ScalaTest. Any insights are greatly appreciated.
Thanx,
Richard

Hey All.
Figured it out. Basically, the OSGI cache gets messed up the first time you run a Weblogic server, but if you exit, and re-run with the "-clean" option for eclipse, it will then allow you to enable the JDT Weaving, and everything works nicely together. You only need to run with the clean flag once.
The Scala IDE and ScalaTest both work fine, as does the WebLogic plugin. This will work for making it so that AJDT Weaving can be enabled, too.
Hope this helps someone else.
Kind Regards,
Richard

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Visual Slick Edit. Mmm. Donuts.
Do they still sell it?
Cameron Purdy
[email protected]
http://www.tangosol.com
Consulting Services Available
"Jesse E Tilly" <[email protected]> wrote in message
news:[email protected]...
[email protected] (Christof Prenninger) wrote in <3986a8c5
@newsgroups.bea.com>:
Hi there,
Can anybody recommend the best IDE (JBuilder, WebGain, ...) for
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WARNING: Questions such as these can be akin to asking what is the onetrue
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     Skin Part C
<?xml version="1.0" encoding="utf-8"?>


<s:SparkSkin xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark">
    <fx:Metadata>
    <![CDATA[
      * @copy spark.skins.default.ApplicationSkin#hostComponent
         [HostComponent("spark.components.Button")]
    ]]>
    </fx:Metadata>
    <s:states>
        <s:State name="up" />
        <s:State name="down" />
        <s:State name="over" />
        <s:State name="disabled" />
    </s:states>
     
    <s:Rect left="-1" right="-1" top="0" bottom="-1" radiusX="{hostComponent.height/2}" radiusY="{hostComponent.height/2}">
        <s:fill>
            <s:LinearGradient rotation="90" >
                 <s:GradientEntry color="0x000000" alpha="0.55" />
                 <s:GradientEntry color="0xFFFFFF" alpha="0.55" ratio="0.8" />
            </s:LinearGradient>
        </s:fill>
    </s:Rect>
    
    <s:Rect left="0" right="0" top="1" bottom="0" radiusX="{hostComponent.height/2}" radiusY="{hostComponent.height/2}">
        <s:fill>
            <s:SolidColor color="0xCACACA" />
        </s:fill>
    </s:Rect>
     
     <s:Rect left="0" right="0" top="0" bottom="0" radiusX="{hostComponent.height/2}" radiusY="{hostComponent.height/2}">
          <s:fill>
               <s:SolidColor alpha="0"/>
          </s:fill>
     </s:Rect>
</s:SparkSkin>

Asynchronuous functions don't work in a C# dll used by a CVI application

Hello,
I have an existing application written with CVI 9.0.1, which have to interact with a C# 2010 dll (which doesn't have any window) via a CVI<->.net wrapper (created using the usefull .net controller of CVI).
This C# dll uses asynchronuous functions, like NetworkStream.BeginRead() and EndRead() functions of a System.Net.Sockets.TcpClient object for example.
These asynchronuous functions work fine when the C# dll is used by a C# application (having a main window) or when the C# dll is converted in a standalone C# program (having a main window with buttons, to call its methods, just to try), but asynchronuous functions don't work when my C# dll is called by my CVI application (which is my goal): execution stays inside NetworkStream.BeginRead() for example (for the concerned thread).
NetworkStream.BeginRead() can be successfully bypassed by using the synchronuous function NetworkStream.Read() instead, but the C# dll uses others asynchronuous functions wich have no associated synchronuous functions.
Here is a portion of C# code (I don't have the source code for the Snmp object ; got_trap() method is never called when asynchonuous calls don't work):
public void run() // the thread
Snmp snmp = null;
try
  snmp = new Snmp(true);
  snmp.NotifyListenPort = 162;
  snmp.NotifyRegister(null, null, new NotifyCallback(got_trap), CB_DATA_);
  isActive = true;
  Thread.Sleep(Timeout.Infinite);
Thinking it could be a problem with window messages which could be not processed (in the C# dll), I tried to replace the Thread.Sleep(Timeout.Infinite) instruction, in the code where the asynchronuous management take place, by a window creation plus my Win32 window message loop, but asynchronuous functions don't work better (whereas my loop seems to successfully process messages):
Form myForm = new Form(); // an empty window
myForm.Show();
int bRet;
MSG msg = new MSG();
while ((bRet = GetMessage(out msg, IntPtr.Zero, 0, 0)) != 0)
    if (bRet == -1)
       // handle the error and possibly exit
    else
      switch (msg.message)
      default: // everything else
        TranslateMessage(ref msg);
        DispatchMessage(ref msg);
        break;
Any idea ?
Thank you,
rvfr.
Solved!
Go to Solution.

Solved: in fact, the snmp assembly that I was using just needed to be dotNet registered.
rvfr.

Best way to install Dev Preview 2.1.x on OS X 10.7

I just downloaded the OS X dev preview and am looking forward to experimenting with it, but the link on the downloads page that purports to link to "Release notes and installation instructions" actually leads to release notes only--no install instructions. I'd like the preview to be generally available on my system, but also want to make sure I don't have to chase down and delete multiple files when upgrading to a newer version (I might miss something) and also don't want to destabilize Java in apps that don't use JavaFX. Suggestions as to how to achieve these (probably contradictory aims) best are appreciated.
I'm usiing IDEA 11, and accessing Java libs through Scala 2.9.0.1 or above (depending on project).
Thanks,
Ken

don't want to destabilize Java in apps that don't use JavaFXThe JavaFX dev preview installs are seperate installs from Java - Java knows nothing about them, so it can't be destabilized by them - this may change some time in the future if Java and JavaFX are co-bundled on OSX, but that probably won't happen anytime soon, so I wouldn't worry about it.
I'm usiing IDEA 11, and accessing Java libs through Scala 2.9.0.1 or above (depending on project).If you are already using JavaFX + Scala + IDEA 11, then you don't need the guide below, which isn't directly related to your question . . . but just in case.
Install Idea 11.0.1 from http://www.jetbrains.com/idea/download/index.html (important to have the latest version here as earlier builds of version of 11 didn't really work - read crashed... - with the scala plugin).
Get the latest nightly build of the Idea scala plugin from http://confluence.jetbrains.net/display/SCA/Scala+Plugin+Nightly+Builds+for+Nika (Nika is codename for Idea 11, earlier builds of the scala plugin don't work well with Nika).
Install the downloaded scala plugin in Idea via File | Settings | Plugins | Install Plugin from disk
Install JavaFX from http://www.oracle.com/technetwork/java/javafx/downloads/devpreview-1429449.html
To create a sample JavaFX + Scala project based on a maven artifact imported into Idea:
Set a JAVAFX_HOME environment variable to the location your JavaFX developer preview SDK is installed at. (not required for general JavaFX development, but is required to use this maven artifact).
Create a new project, File | New Project | Create Project From Scratch | Project Name => colorfulcircles & **select Maven Module** | Add Archetype | GroupId: de.schlichtherle ArtifactId: javafx-scala-demo Version: 0.4
Edit the pom.xml file to set the scala.version to 2.9.1 and the scalatest version to 1.6.1, then click on Maven Projects | Reimport (optional step to get the latest version)
Open ColorfulCirclesDocs.scala and change Application.launch line to Application.launch(classOf[ColorfulCirclesDocs]), then rightclick on the launch line to run the program - your screen should be full of colorful circles generated by scala invoking JavaFX.
If you are new to JavaFX, I recommend developing JavaFX in Java, otherwise have fun with JavaFX and Scala and, if you have not seen it yet, checkout the ScalaFX project (http://code.google.com/p/scalafx/) .

OEPE breaking Scala-IDE? (JDT Weaving)

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