Jdeveloper 11gR1: java.lang.IllegalStateException when opening project - jdeveloper

I installed 11.1.1.5 just now, and am getting this error every time I try to open a project or a directory in a project, I get the following error:
java.lang.IllegalStateException: Timer already cancelled.
And it doesn't display the files.
To exclude any other factors I did a fresh install in a new Ubuntu VM image - same problem.
I'm really at my wit's end.

I solved the problem by deleting all local projects and checking out the source code again.

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Could not load solution

I am doing my code on windows system and when I transfer my code to mac and open .sln file then two error occures:
Cloud not load solution "Directory of project".
Load Operation Failed.
And when we open old code then it works fine.May be there is some version mismatch in new code.
Changed in directory problem solved!

SonarQube is getting stopped after running for some time

Earlier I was able to run SonarQube without any problem. But recently after executing ./sonar.sh start script a SonarQube.pid file is being generated and until the time the file is present. Sonar is up but after few secs the file is getting deleted thus making Sonar going down.
I couldn't understand why the problem is occurring suddenly now. How to resolve this issue.
On the SonarQube server, check the log files and identify the root cause. If it was installed to the default directory in C:, The location of the log files would be : C:\Program files\sonarqube7.2\logs

Build Failed from Dev to Staging using TFS Release management

I am trying to build a project from dev to staging environment, what all i did was just to merge the changes in dev to staging and trigger a build. but the build got failed even tried multiple times.
Below is the log file shared in google drive. there are no errors mentioned in the log file. Can anyone help me solve this problem.
https://drive.google.com/open?id=0B85ZmWDiKYHRVmN4MlMxc0ZEd28
I found a error in the log file in the release management, which says that "access denied for appsettings.config" file. I did remove the read only on the folder in the server and it worked. I am not sure of this fix properly, but it did work for me.
Thanks.

biicode "ERROR: Unable to properly clean project DB:" or "ERROR: Unexpected Exception database is locked"

I was playing with biicode, but I am facing this issue. I don't exactly know how I obtained that (I probably called the bii cpp:build command several time in parallel), but I want to fix my project :
bii cpp:build
INFO: Processing changes...
ERROR: Unexpected Exception
database is locked
ERROR: Error executing command.
Check the documentation in http://docs.biicode.com
or ask in the forum http://forum.biicode.com
and when I try to clean stuffs I am obtaining that :
bii clean
ERROR: Unable to properly clean project DB:
database is locked
The project is really simple, nothing really tricky so I think it's not relevant to explain it.
I did not find any relevant information on the doc neither in the forum. I did not find any process still building it (my ide, nor my terminal)
Any idea to get it works ?
Many thanks for your answers !
PS : whouhou a biicode is now available :)
The problem is not the cache "bii.db" database located in .biicode, but your project one, which is located in:
yourproject/bii/.hive.db
You can safely delete it. After that, inside your project folder, do a init again:
yourproject$ bii init
That will restore a clean database. I suggest running a clean build:
$ bii clean
$ bii cpp:build
Those databases are only caches to store temporary information. All the information required is in your block files: biicode.conf, CMakeLists.txt, so deleting those caches is not dangerous.
Sqlite database seems to be locked, try rebooting computer.
If it doesn't work try to remove database file manually.
The file is in your home directory in the folder .biicode and its named bii.db
If you are using linux/osx its on ~/.biicode/bii.bd
Hope it works!

Xcode project snapshot tries to make disk image?

When Xcode makes it's auto-snapshots, prior to a global find-and-replace for instance, the snapshot is created without error. When I select File -> Create Snapshot the machine chugs away for 10-15 minutes (this is posted without hyperbole), and then fails with an error message similar to:
**Unable to create a snapshot**
fatal: unable to stat 'Users/{me}/Library/Caches/Google/Chrome/Default/Cache/f_00476e': No such file or directory
Yes, that's the cache file for my browser. No, it's not explicitly included in my project. How can I tell Xcode to not do this? I am using the default Snapshot folder, which is
/Users/{me}/Documents/Development/KissQuest/Snapshots
PS -> I don't have the courage to test whether or not the Xcode--auto-generated snapshots are valid.
I'll answer my own question for posterity.
For some reason, there was a .git and .gitK lurking in /users/{me}; I killed those and then git init in the project folder and voila, re-initialized and running git.
git init was not enough; I had to purge the folder tree of bad .gits.

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