I'm using a mac. I downloaded Eclipse first, then jdk after the first time around. I have since reinstalled eclipse and jdk multiple times, turned my computer off and on again multiple times, and gotten the same error every time. In my project, I can see the dns_sd.jar file in the JRE System Library, but apparently eclipse doesn't recognize it. I tried making a folder and putting a copy of the file in it, then adding that to the build path, but that didn't fix it; it actually made more of the same error on the file. Is it just that the dns_sd.jar is corrupted? What can I do to fix this?
NetBeans background scanning projects takes too long. Every time when I open netbeans it scanning for ages. I used NetBeans 7.2 and it works perfecly. Now I formatted pc and reinstalled windows, install the same version of NetBeans 7.2, and it works to slow.
Having the same issue with 8.0.2 when a project has JS resources I tracked it down in my case to a problem with the javascript2 editor module which has been updated over the original version shipping with netbeans 8.0.2.
I simply solved it by removing the updated module.
On Linux:
rm ~/.netbeans/8.0.2/modules/org-netbeans-modules-javascript2-editor.jar
However, after letting the netbeans updater download the module a second time, the problem didn't appear again.
In Netbeans 8.1, the location of this file is at:
ide/modules/org-netbeans-modules-javascript2-editor.jar.
I have the same problem in netbeans but i found solution by unselect
the check from auto scan background
in your netbeans IDE go to tools and then Option and select then to miscellaneous and select file tab inside miscellaneous and
you will find check as "enable of auto-scanning of the source
unselect that one and netbeans will be fast then i hope it will help you
in fasting your IDE too
After latest update of Netbean 8.0.2 I have the same problem that scaning process did not stop and go forever with CPU usage on 25%.
When I replace javascrip editor files in C:\Program Files\NetBeans 8.0.2\ide\modules on Windows 7 with old one then scaning project process start work again. You can take those file from this repo.
i'm facing the same issue, but it works fine after increase the heap size by adding -J-Xmx2048m in <NETBEANS_DIR>\etc\netbeans.conf
mine looks like this:
netbeans_default_options="-J-client -J-Xss2m -J-Xms2048m -J-Xmx2048m -J-XX:PermSize=32m ......
Try the following :
1) Go to Window-->Files. This opens the Files Tab.
2) In the Files Tab for each opened project open the nbproject folder and inside it open the project.properties file.
3) Now in this file below the property "excludes" there are file references listed for all your referred Libraries (JARs)
4) There might be some repeated file references with paths that may be old or on someone else's machine(if you are working in a group and transferred projects from someone's machine)
5) Delete those old path references.
Example -
excludes=
file.reference.xyz.jar=../not/correct/path.jar //delete this line
file.reference.xyz.jar-1=../correct/path.jar //remove -1
....
includes=**
6)Also locate the property "javac.classpath" and delete the unnecessary classpath entries corresponding to the deleted references as described above.
Example -
javac.classpath=\
${file.reference.xyz.jar}:\ //keep this line
${file.reference.xyz.jar-1}:\ //delete this line
....
javac.compilerargs=
7) So now the file reference mentioned in the file reference section and the javac.classpath property is same and points to a valid Library (JAR) address on your machine or network.
Example -
excludes=
file.reference.xyz.jar=../correct/path.jar //the correct reference & path
....
includes=**
....
javac.classpath=\
${file.reference.xyz.jar}:\ //the correct classpath entry for reference
....
javac.compilerargs=
....
The reason the above procedure worked (in my case) is because it prevents Netbeans from scanning unnecessary Library paths that may not be present on your machine/network.
On Windows 10 64bit I had the same problem with Netbeans IDE 8.1
I restarted Netbeans as administrator and the problem was solved. Then I closed Netbeans and started normally and the problem was still gone.
Product Version: NetBeans IDE 8.1 (Build 201510222201)
Updates: NetBeans IDE is updated to version NetBeans 8.1 Patch 1
Java: 1.8.0_60; Java HotSpot(TM) 64-Bit Server VM 25.60-b23
Runtime: Java(TM) SE Runtime Environment 1.8.0_60-b27
System: Windows 10 version 10.0 running on amd64; Cp1252; nl_NL (nb)
OS: Windows 7 x64.
The following worked for me:
I fully uninstalled Netbeans (ticked all boxes in uninstaller). For those who couldn't you'll need to go to C:\Users\%username%\AppData\Roaming\NetBeans\8.0.2 and delete a file called 'lock'. This is normally removed when the program exits but if you need to force terminate it'll remain there.
After that I uninstalled JDK and JRE then downloaded Java Platform (JDK) 8u40:
http://www.oracle.com/technetwork/java/javase/downloads/index.html
And Netbeans 8.0.2:
https://netbeans.org/downloads/
Installed JDK (which installs JRE too), after that Netbeans. Once complete I loaded up projects where background scanning got stuck and it seems to have fixed it. Will post updates if it starts happening again.
I actually made a bug report for this issue. It was fixed and pushed to the update channels yesterday. So for anyone still having this specific bug, let Netbeans check for updates. :)
Bugfix: https://netbeans.org/bugzilla/show_bug.cgi?id=250985
On Ubuntu 18.04 / Netbeans 10.0, I had the same problem.
[FAIL] Deleted cache
[FAIL] Deleted project-specific "nbproject" dir
[FAIL] Closed the offending project (mouseover the progress bar to identify which one) --> restart NB --> create new project
[SUCCESS] Nuked the project from the F/S --> re-cloned --> restarted NB. I also renamed the directory itself, in case there was some other cache that pointed to the old dirname.
Please try NetBeans 8.0.2 from https://netbeans.org/downloads/
NetBeans 7.2 is too old and you will not get any support anymore.
I was having the same problem with Netbeans 8.1, Windows 10. It was also hanging when I tried to compile and refactor. It would sometimes say 100% done yet continue background scanning for hours. I closed the project in which this was happening, and switched to a simple project and the problem went away. So I examined my code. I had class A extending class B, then class B importing class A. When I changed this, the endless looping in Ant stopped.
Always I fix such Netbeans related problems by deleting cache directory.
Directory location can be seen on About dialog window.
For me, the path is
C:\Users\USER\AppData\Local\NetBeans\Cache\YOUR_VERSION
This problem is related to one of the project opened in your IDE. As I had been facing the same issue but, after spending two hours on that issue I finally fixed that. Close project one by one or check and close the project where background processing is taking time. After closing the project delete the .nbproject folder and re-import the same project into your IDE.
It should be called foreground scanning of projects. Closing the program and restarting solves it for me sometimes.
I had the same problem but in my case I was on Windows 10 and running NetBeans 8.1.
Before I formatted my laptop I copied and backed up C:\Users\user_name\AppData\Roaming\NetBeans\8.1 and C:\Users\user_name\AppData\Local\NetBeans\Cache folders
Then i followed the below steps:
Install NetBeans and run it.
Closed NetBeans
Go to C:\Users\user_name\AppData\Roaming\NetBeans\8.1 and C:\Users\user_name\AppData\Local\NetBeans\Cache folders and replace them with the backed up folders.
Run NetBeans again
I hope this solves your problem!!
In my Laravel case ,got this "forever scanning" because the project was created in another IDE. I put the old IDE related folders .idea , vendor , node_modules into myproject->Properties->Ignored folders . Relaunched NetBeans as admin. It will scan a little bit but next time wont stick on that.
So I wanted to start learning Eclipse but ran into a strange error. I have tried re-installing Eclipse multiple times and changing the theme but to no avail. The UI ends up always looking like this:
EDIT: I figured out a solution. Instead of deleting the eclipse exe on my computer and downloading a new one, I searched for files and programs on my computer with the keyword "eclipse" and literally deleted them all (except for files noted "important system files"). After deleting 1,500 files, I redownloaded the latest version and have no problems....yet
I am trying to delete the folder that I unzipped eclipse into (I did it on the desktop for easy access). Every time I try, I get an error saying that it cannot be done because the folder or a file in it is open in another program. I have no programs running at all, and I still can't delete the folder. I am using Windows 8, Eclipse Juno, and am trying to download the C/C++ version so that I can do C++(got the CDT plugin, but can't find g++). Now, all I really want to do is completely get rid of Eclipse so I can start from scratch.
Use Unlocker to solve the issue about not being able to delete the folder.
I'm serious. I installed the Blackberry web developer thing for eclipse (being stupid, and not seeing the 'web' part). Then, when I realized my mistake, I went and got the JDE for Eclipse. I went through the install process....open up Eclipse...and I'm lost. I don't know how to run code...or the simulator, or anything.
All the tutorials I'm finding are referencing an older "beta" version of the Eclipse plugin, which apparently had a "Blackberry" menu option. I'm not seeing that.
I found some sample code, which gives the helpful instructions:
"1. Extract HelloWorld_incomplete.zip
2. In the IDE, open the helloworld.jdw workspace
3. Open the helloworld.java source file.
"
...I've never seen a .jdw file before. If I try opening it in Eclipse, I get a not-very-useful text file. Since they say it's a workspace, I try the "Switch Workspace" option in Eclipse, which lets me pick a folder, rather than a file.
I'm pretty sure "Import Project" isn't right, either.
So, I figure I'll deal with that later, so I open up the source code (a standard .java file, with a main, etc). I try running it, but it asks for an Ant build file.
I can run standard Java files just fine (that is, I know Java is in my path).
I don't know if maybe I don't have the Blackberry part right...or if it's on the eclipse side where I'm failing.
Does anyone have any ideas?
-Jenny
Edit: Just to be sure, I tried downloading the plugin through eclipse with their provided link (http://www.blackberry.com/go/eclipseUpdate), but eclipse says that it got a .jar file when it was expecting a .zip file, and so it errored. Can you even unzip a jar file (like Eclipse is trying to do?)
It sounds like you have the wrong package.
I installed it yesterday from the "Download Now" button at http://na.blackberry.com/eng/developers/javaappdev/javaeclipseplug.jsp
and it had both the menu option and the Blackberry project type.
It should have an installer if you get the correct one. I would post a direct link, but RIM likes to ask for your info before allowing the download.
Try installing it to a different directory and using a new workspace. It could be that the old install is interfering somehow.
-Hope that helps
if you want to know step by step to install the jde plugin in eclipse you can visit http://learn.virtue-software.com/2011/05/quick-start-creating-blackberry-application-with-eclipse/