The weird part is I can see my projects through package explorer.
I can also export them.
But when I want to access them elsewhere e.g windows explorer, they are not there.
All I see is .metadata folder.
An unexpected shutdown of the system occurred not too long ago.
Edit: When I switched the workspace, created and opened a project, they're still not visible/accessible outside of the eclipse project explorer.
Any ideas?
You most likely haven't ticked "Copy projects into workspace" checkbox option.
File -> Import -> Existing projects into workspace:
It is possible that the projects were not put into the default, workspace folder.
To check this, right click on such a project, select Properties (it is usually available at the bottom of the list), go to the Resources tab, where you have the location of the project files displayed.
Obviously, there is a problem with Windows explorer and OneDrive in particular.
When I navigate to C:/Users/username/OneDrive/Documents/workspace or through command line I do see my eclipse projects.
But when I try to use 'Open file..' option from any application or navigate through Windows explorer, projects are not recognized nor displayed.
I am using a quite large project in Eclipse, composed by different libraries which can be build independently thanks to dedicated "Make Target" elements.
When compiling one of this libraries, the compilation works fine, but afterwards, Eclipse keeps busy by doing "Building Targets. Updating projects..." (as named in the Progress View). As my project is rather large, this action takes several minutes, preventing me to start new compilations or change Eclipse settings.
Is there any way to disable this automatic update in Eclipse?
I have observed this behaviour in Eclipse Helios and Eclipse Juno.
I have tried to remove my "Make target" objects, and give an invalid C/C++ Build configuration (e.g., provide an invalid make command).
As expected, when building the project, Eclipse tries to execute the invalid make command (which fails), but then keeps doing this "Updating projects..." anyway...
After build Eclipse is looking for newly created executables. If your project is Makefile-based Eclipse cannot be sure where to search and browses the whole source tree.
Assuming your executable are all go into a folder bin-XXX, you can reduce these searches as following:
Select the top project (say "src") and go to the right-menu dialog “Properties” (alternatively: top menu Project-Properties). Then go to “C++ build”-“Refresh policy”. Here select the folder “src” and press “Add Exception”. Then add all folders except “bin-XXX” as an exception.
Select the top project “src” and go to the right-menu dialog “Properties” (alternatively: top menu Project-Properties). Then go to “C++ General – Paths and Symbols – Output Location”. Add folder “bin-XXX” and remove the folder “src”
It seems like all my projects (except one) disappeared from the view Project Explorer.
I'm using Eclipse Java EE IDE for Web Developers.
Version: Helios Service Release 2
Build id: 20110218-0911
Note: all the projects are present on the file system.
How to bring them back? Any ideas?
This happened to me. I'm still not sure how, but the reason was that my workspace meta data had become corrupted, probably due to Eclipse being improperly shutdown. The solution, as explained here, is to:
Note, steps 2 & 3 are optional if Eclipse isn't crashing, but just not showing any projects.
Close Eclipse.
cd /home/user/workspace/.metadata/.plugins
mv org.eclipse.core.resources org.eclipse.core.resources_bak
Start Eclipse
Do File->Import
General->Existing Projects into Workspace
Click the "Select root directory" field and browse to each subfolder in your workspace folder, and import.
For me, this was very tedious, since I had several dozen projects in my workspace, but it's the only solution I found short of restoring my entire workspace from a backup.
Edit: This answer is now quite old, and better solutions may now exist. Although I haven't had need to try it, I recommend attempting #antonagestam's solution first, as others have suggested it may be faster and more effective.
Edit: Since it's fairly simple, I'd recommend trying antonagestam's solution first. However, this problem recently re-occurred for me, and that solution did not work in my case. But neither did it interfere with this solution.
I had the same problem in Aptana, all of a sudden my projects were gone. Solved it by going to the drop-down menu in Project Explorer and going Top Level Elements -> Projects.
Go to
File --> Import --> General --> Existing Project into Workspace
Then,
In Root Directory Enter the workspace path where all your projects saved & click refresh as below
And Click Finish
I was having the same problem for Android projects in Eclipse. This link was very helpful in restoring the missing projects.
Go to 'File->Import->General->From Existing Project'.
Select the root folder to the Workspace.
Click on the 'Refresh' button.
Select the required projects and click 'Finish' button.
I had the same problem in Luna, Suddenly my projects were gone in start-up.
I solved this by select Deselect working set option in the drop-down menu in Project Explorer.
Note: I post this answer even this is not a right answer for this question.
Since I search for Luna and came here,while trying with discussed things I was find this solution. This may help others.
Click on Windows > Open Perspectives > java
, Press Ok. Project Explore will come back on screen..
My solution is
open view menu and select "Top Level Elements" and set "Projects"
If any of the previous methods don't work for you then delete your old workspace, create a new workspace and put it by default. You can do this by launching Eclipse twice - the second time it asks you for the workspace ;). Then re-import all your projects there and say "problem, goodbye".
Mona is correct - Make sure that you have the task list set to show ALL as the image shows. Click the arrow to the left of the project if you want to re-factor your filter. Reset your perspective if you do not see the task list.
Today 22-03-2016, I check again this question and using ECLIPSE MARS I solved with:
Having Eclipse opened, go on FILE -> RESTART
Go on same workspace and I have all project on "PROJECT EXPLORER"
Sometime also this operation, will solve (Clicking on Projects dor see all project!!)
So Other solution is:
if you use the "Task List" view of Eclipse, it will sometimes try to hide files or projects that it thinks are not associated with a given task (i.e. any file that was not opened while you had a certain task selected as the current task). If you want Eclipse to stop hiding files
in that case, you can just delete all tasks.
Or you may also restart your eclipse and by just closing the project and then opening it again (from the right mouse click context menu) the files will be restored.
If that doesnt get your projects back then check the "filters option" (Click on right corner of Project Explorer tab and open context menu. Select Filters option from menu) and make sure that your projects type isnt checked.
you should check the active Working Set - make sure it is off.
When this happened to me I had somehow set the Project Explorer to only display Working Sets. I had none, so nothing was displayed.
To fix it, I went to the Project Explorer View Menu (next to the Minimize and Maximize icons in the Project Explorer), Top Level Elements -> Projects.
Thanks to #antonagestam for pointing me in the right direction.
It seems it happens to us all. I was happily hacking away at javascript, nowhere near all the nasty hibernate java stuff, and boom, "cant find org.jboss.logging.BasicLoging".
I havent touched anything!.
After an hour or so of trying to make that appear, restarting servers, mysql, eclipse, adding jars that weren't needed before,I deployed the fix all solution, the off button.
Then zap, no project.
(I am still none the wiser as to why calling Configuration() should now require jboss-logging...jar, maybe I needed it all along for when bad things happen)
My input is
use git, keep as little of your stuff in the eclipse workspace area as possible. Then just import project from existing git repo when eclipse loses it's marbles.
I also lost my server config. it's there but eclipse insists there no server config stuff and bombs. So make another one, I've expressed my feelings about eclipse in my new server name, and copy your apache xml configs (workspace/Servers/I_Love_Eclipse) over from the original perfectly good directory.
Not sure how/why, but this happened to me once when I added a task to Mylyn. Seemed that mylyn was filtering my projects. When I deleted the task they all came back.
None of the answers provided here worked for me. My Enterprise Explorer was completely grey and I couldn't even import or reimport projects.
In my .metadata.log I saw this error:
assertion failed: working set with same name already registered
So I deleted these file:
.metadata.plugins\org.eclipse.ui.workbench\workingsets.xml
Now I can see all my projects. I didn't have to add them back again.
I found a solution that worked better for me. Under my home folder I found a workspace/.metadata folder. I copied this folder into my eclipse workspace, replacing the .metadata folder that had been there. When I started Eclipse everything was back to the way I had left it - all projects present, all open files were still open, etc. Just like nothing had happened! I'm using Neon.
As a preliminary (before reimporting everything), here is a solution to recover working sets in which project were (if any).
I had more than 100 projects and each was in one of 14 working sets.
If your top level elements changes (accidentaly or not if it is a bug) from "Working set" to "Projects", you only see projects that are NOT in a working set, and if, as I do, you don't have any projects outside a working set, you think all is lost because you cannot see anything (blank package explorer).
So the solution is now obvious: click on the top left small white triangle MENU, than select "Top level elements", than select "Working sets".
You also have the possibility to rearrange the working sets list items.
Hope it helps
Unfortunatly the working sets were empty after the recovery, but at least I
recovered their names.
Config: Eclipse Oxygen.2 Release (4.7.2) with Java 1.8 on Windows 10.
Got this issue on returning to an Eclipse project on a VM after leaving it untouched for maybe a couple of weeks.
I started to apply the accepted answer, but when I got to the step of renaming the folder and had exited Eclipse, I saw there was an instance of Eclipse still running. I realized Windows had for some reason started a second instance of Eclipse when I hit the taskbar button. The second instance had been unable to access the workspace while the first instance was using it.
Once I undid my folder rename, and closed and restarted the original instance of Eclipse, I was able to use File->Switch Workspace to get my normal workspace back.
Solution that Cerin provide, importing each time that this problem happens, could be boring.
So I've implemented a script that control if workspace setting exits: if not, restore it to default.
I have an eclipse shortcut icon on the top panel that execute:
/opt/eclipse/checkWorkspace && /opt/eclipse/eclipse
Script checkWorkspace is the seguent:
#!/bin/bash
ECLIPSE_CONFIG_PATH="/opt/eclipse/configuration"
ECLIPSE_CONFIG_FILE="config.ini"
ECLIPSE_CONFIG_SETTING="osgi.instance.area.default"
DEFAULT_WORKSPACE_PATH="#user.home/workspace"
ECLIPSE_LOG="/var/log/eclipse.log"
cd ${ECLIPSE_CONFIG_PATH}
function sedeasy {
sed -i "s/$(echo $1 | sed -e 's/\([[\/.*]\|\]\)/\\&/g')/$(echo $2 | sed -e 's/[\/&]/\\&/g')/g" $3
}
WORKSPACE_EXISTS=$(cat ${ECLIPSE_CONFIG_FILE} | grep ${ECLIPSE_CONFIG_SETTING})
# If workspace setting doesn't exists
if [ -z "$WORKSPACE_EXISTS" ]; then
echo "worskspace setting not exists, resetting to default." >> ${ECLIPSE_LOG}
newConf=${ECLIPSE_CONFIG_SETTING}"="${DEFAULT_WORKSPACE_PATH}
echo ${newConf} >> ${ECLIPSE_CONFIG_FILE}
else
# if setting exist but it is empty
vals=(${WORKSPACE_EXISTS//=/ })
length=$(echo ${#vals[#]})
if [ "${length}" -lt 2 ]; then
newConf=${ECLIPSE_CONFIG_SETTING}"="${DEFAULT_WORKSPACE_PATH}
confToReplace=$(echo ${vals[0]})
sedeasy ${confToReplace} ${newConf} ${ECLIPSE_CONFIG_FILE}
echo "worskspace exists but is empty, resetting to default." >> ${ECLIPSE_LOG}
else
echo "Worskspace already set:" "${vals[1]}"
fi
fi
Maybe could be semplified, but works.
I tried many solutions. I found mine in the drop down menu of the Entreprise Explorer:
- Deleting org.eclipse.core.resources has no effect.
- "Top Level Elements -> Projects" was already checked for me; swtiching with Documents has no effect.
- Selecting all extensions in the filter option of the drop down menu has no effect at first sight, maybe it solve part of the problem.
The solution come from "Unselecting documents" (third choice in the Entreprise Explorer drop down menu). I think that choice reset the filtering of documents displayed in the Explorer.
Hope it'll helps
JN Gerbaux
Tedious but it worked for me (Kepler):
Using the OS zip utility, zip everything below the project workspace folder to a zip file, to be placed in a separate directory (will use c:\tmp\workspace.zip as an example).
Unzip workspace.zip to the c:\tmp directory. Assume there's a project folder called Project1
a. Ensure all the files in Project1 have Full Control permissions for Everyone or at least 777 permissions.
Remove all the project folders in the Eclipse workspace.
Recreate each project one by one according to its original type (Java, Dynamic Web, etc.). (Will use Project1 as an example.) Do not add anything.
In Eclipse, do File -> Import -> File System. Then select c:\tmp\Project1 as a source
Select the workspace Project1 as a destination. Do not overwrite any file.
In Eclipse, refresh the project and test it. It should work.
Also had this Problem.
My Solution was to uncheck the Box PyDev: Closed Projects, even if those hidden Projects are PHP and NOT Python Projects. (Strange BUG in Eclipse/Aptana???)
Be aware that even "Closed Projects" (a Topic above Pydev closed projects) is also unchecked. So you have to uncheck both Settings.
this: eclipse shows only "open projects" in project explorer
All of my projects were closed and I had hid the closed projects in the settings.
So to open projects go to top right view menu, and uncheck Closed Projects option. Assuming it is checked already.
Do the following steps
File --> Import --> Existing Projects into Workspace
Select the root directory as ur old root folder
Finish.
Yahoo.. There is ur old projects again in ur project explorer
1) File > import > Existing projects into workspace
2) Choose your workspace folder
3) select all of your projects
4) finish
All are OK with above way !!!
File - Import - Existing projects into workspace - browse - choose your workspase - done!
If Eclipse was killed during a shutdown, the projects database may become corrupted (the project database is normally located in: workspace/.metadata/org.eclipse.core.resources/.root/1.tree).
A message like this will be logged in Workspace/.metadata/.log:
!MESSAGE Could not read metadata for '.../.metadata/.plugins/org.eclipse.core.resources/.root/.markers'.
The data is lost. You need to import your projects again (File->Import ->
General->Existing Projects into Workspace).
The list of projects that were in the workspace can still be seen in .metadata/org.eclipse.core.resources/.projects/.
Projects located outside the workspace will have a .location file with the path to the project.
I also had the same problem.
file>restart.
Projects and modules appeared after restarting the eclipse, but faced new error;
An internal error occurred during: "AppXray Indexing...". java.lang.NullPointerException.
So it's good to be on safe side, import the project again in a new workspace.
if you go to Quick Access and type in Projects you will get it your projects back.
I generally have my working projects sitting on folders on my Desktop. When they are completed I just move them to a c:\dev\. The thing is I'm doing it in a rather archaic way.
1. move project files
2. delete project on Eclipse
3. create new project on Eclipse on the new location
How to you guys move projects around?
If I could alter the: File -> Properties -> Resource -> Location path it would be dead simple!
Example move:
c:\user\desktop\project_123
c:\dev\project_123
Right click on the Eclipse project in the Package Explorer, select Refactor, then select Move... In the dialog that comes up, enter or navigate to the new location and click OK. This will also preserve your CVS or other SCM metadata, but will also bring all your modifications as well, and you won't lose any memberships in Working Sets, launch configurations, or other things that Eclipse associates with your project.
Use Eclipse's Move menu item
Open Navigator view, right click on your project and click Move. Then select the destination directory.
Navigator View > Right Click > Move
Note it doesn't seem to work in Package Explorer (at least not in Neon). The move dialog from Package Explorer is different, so use the Navigator window.
I don't know whether eclipse has made modifs since the date of this post...
In my case I had moved a project folder manually and I wanted Eclipse to open the project on this new location. This is what I did (and it seems to work).
(I'm using eclipse "helios" v 3.6.2)
File menu | Import ...
General | Existing projects into Workspace
Select root directory = top directory of your project on the new location
Finish
I rarely have any projects in Eclipse that aren't under source control, so all I would need to do is check the project out in the new location.
If you don't have source control, Eclipse works with CVS rather well out of the box, and it's pretty simple to setup CVS to run locally without a server: http://www.tortoisecvs.org/faq.html#cvsinit
WHEN EVERYTHING ELSE FAILS:
Copying an Eclipse project from one directory (let's call it old_dir) to another directory (let's call it new_dir):
Open Eclipse and specify the copied working directory in your new_dir.
Once it opens the project in the this new_dir, the projects listed under Project Explorer Tab might still be the ones contained in the old_dir (you can check it by right clicking each and following through: "Resource -> Linked Resource" to see the Path Variables values). Thus, they have to be removed from this work space. Delete the Nios 2 Application Project and the BSP Project from the Project Explorer Tab by right clicking on it and selecting Delete option which will pop a new window. In the pop-up window, make sure that the Delete project contents on disk check box is UNCHECKED before clicking OK to delete the Projects. Otherwise, it will delete it from the old_dir where you copied the project from.
Right click in the Project Explorer Tab Area → Import → General → Existing Projects into Workspace and add the copied Nios2 Application Project and the BSP Project from the new_dir.
Right click in the Project Explorer Tab Area → Index → Rebuild, otherwise the Nios2 Application Project will not be able to use the includes provided by the BSP Project.
Click on Project → Clean → OK to clean and rebuild the whole project.
When using console to talk to the NIOS, make sure elf's path is updated to the new project directory as well!
Right click on your project->copy.
right click in project explorer free space and right click->pase.
chose new folder and project name.
I copied the whole project to a new directory. After setting Eclipse to the new workspace it recognises the project instantly. Thus it was nothing further to do. I use Eclipse IDE for C/C++ Developers, Version Luna Service Release 2 (4.4.2).
For Eclipse Oxygen, to move a Java project, djb's accepted answer works well (in my experience just now), except having read comment by Basic May 14 '12 at 9:27, I tried to add my project XMLDiff to C:...\SVN\trunk\Internal Projects, and I got a failure with the rather cryptic message:
Problems encountered while moving resources.
Resource already exists on disk.
I had to move the project to C:...\SVN\trunk\Internal Projects\XMLDiff by creating a new folder, XMLDiff, in the browse dialog, and the result was C:...\SVN\trunk\Internal Projects\XMLDiff, not C:...\SVN\trunk\Internal Projects\XMLDiff\XMLDiff.
So this must have changed between Basic's experience in 2012 and Eclipse.3.
For Eclipse Oxygen
Project Properties -> Resource -> Linked Resources -> Linked Resources (Tab)