Thats natural that JDeveloper out of the box comes with minimal settings for resource usage. And obviously it is far away not enough for comfortable usage. So there are at least couple of settings that needs to be tuned right after installation: Java heap size Open file %MW_HOME%/jdeveloper/ide/bin/ide.conf and add/change following two lines Java MaxPermSize Open file %MW_HOME%/jdeveloper/jdev/bin/jdev.conf and add/change following…
Category: JDeveloper
After macOS High Sierra system update JDeveloper does not start. How to fix it?
It happens, that each time when I push MacOS High Sierra regular updates, my JDeveloper does not start any more. The fix looks very simple, just need to delete JDeveloper system directory. Sounds frightening, but do not be confused because of naming. By fact it is just operational directory where JDeveloper keeps various temporary and configurational stuff. It is even…
How to keep custom JDeveloper preferences after deleting its system folder?
Time to time it happens, that JDeveloper stops working for some reason. It just not open or behaviour become unstable. The fastest and easiest fix is to delete its system folder. Which is like a temporary one, created on the very first run of JDeveloper. There it keeps various cache information and settings. Among those settings there are user preferences…
How to open file in Source View instead of Design View by default in JDeveloper?
Most of JDeveloper users complain about its performance. There are number of ways to improve it by tuning various parameters in configuration files. If you’ve done it already you might still face long opening of different file types (most common – .jspx, .jsf, .jsff, etc.). That is because JDeveloper is trying to open it in Design View. It tries to…
How to deploy ADF application with different name using JDeveloper?
Sometimes there might be a case, when development team shares one WebLogic server instance and each developer needs to deploy and test the same application at the same time. Or whatever the reason it is, there are some simple steps needed to be accomplished in JDeveloper to have another instance of the same application just with different context root. Assuming…
JBO-26041: Failed to post data to database during “Update”… What might be the reason?
Problem: Exception during data save is thrown: oracle.jbo.DMLException: JBO-26041: Failed to post data to database during “Update”: SQL Statement “UPDATE… It might be followed by similar to this one: java.sql.SQLException: Fail to construct descriptor: Unable to resolve type “NVARCHAR2″… Solution: Check if SQLType attribute of an entity/view object attribute being updated is correct. For example it can be set to…
Override inputListOfValues component model and Continuous Query Notification sample in ADF
Requirement: Standard ADF inputListOfValues component should behave like this: When pressed “Search”, action should stop and wait untill any change happen in DB table being searched When change happen in DB table, search should resume among updated data. If no change happen it should resume after 10 seconds timeout In addition – search input field validation should happen on “Search”…
How to add ADF source code in JDeveloper 12c ?
Problem I want to have ADF source code available in my project. Solution Open service request ticket at My Oracle Support and ask to provide you a source code for ADF. Oracle staff will provide you a security code and a link to download a zip file. Open JDeveloper, select Tools -> Manage Libraries… Click Libraries tab Select folder User…
How to iterate through all view object rows irrespective of specified range size and without impact to current rowset?
Problem Imagine we have iterator binding EmployeesViewIterator with specified range size 25. But we want to iterate through ALL employees available, not just 25 of current range. Solution Create new row set iterator from EmployeesView view object. It will contain ALL rows irrespective of specified range size. Iterate it !
How to change logging level of standalone or integrated WebLogic in JDeveloper? For example how to capture SQL executed?
In Integrated WebLogic (JDeveloper) this can be done with just few clicks: Open “IntegratedWeblogicServer – Log” window. On the right-hand top corner click “Actions” and choose “Configure Oracle Diagnostic Logging” For getting SQL statements in the output, in the opened logging.xml choose “oracle.jbo” logger with desired logging level. Level “Finest” will generate maximum output. SQL staements shoud definitely be there.…