Hi All, If you are facing an error of JS like and you are handling enter key using AdfKeyStroke.ENTER_KEY Mozilla Firefox NS_ERROR_ILLEGAL_VALUE: …eoutWarningTimer=null;if(this._timeoutTimer)this.cancelTimer(this._timeoutTimer)… IE Message: ‘undefined’ is null or not an object Don’t be afraid, its not your fault. It is happening in jdeveloper . Cause- Might be when we use AdfKeyStroke.ENTER_KEY, it generates […]

Requirement- change the error icon to some other custom icon in error message. Solution- Go to your skin file and find af:message and change like below That’s it . happy learning with Vinay Kumar

Requirement- While installing Webcenter ,every time i start linux image , i got this weird error. I already updated ORACLE_SID and ORACLE_HOME in listener.ora Now what.If you are not a dba, this error can give you trouble for while. Solution- Go to Oracle_home/product/11.1.2/dbhome_1/bin -> type ./sqlplus -> In user write as conn / as […]

Today i installed jdev 12 and while deploying i got very weird error like.This solution applicable, whenever you get error related to jdeveloper internal error. I don;t have clue about it.After i dig more into it.Problem is that system11.1.x.x.x folder of jdeveloper.If you installed earlier old version and then you installed new version, sometime it […]

Quite annoying error and you don’t know what went wrong. Well you can resolve by yourself. First step – Search for ide.conf and jdev.conf in you JDeveloper installation folder like …/jdeveloper/ide/bin/ide.conf Second step-In ide.conf file, copy extactly these properties into that. AddVMOption -Xmx940M AddVMOption -Xms128M Third Step – In jdev.conf file, make sure the following […]

Today, i am working and came across a weird error.not sure what was is..error is as below := org.xml.sax.SAXParseException: Content is not allowed in prolog. at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source) at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source) at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source) Solution=After spending lot of time , i found some invalid character or element in begining of xml element Any characters before […]

Yesterday , I am working in region, I drag drop the table and so on.Suddenly i start getting this error -“java.lang.IllegalStateException: Attempt to validate an already invalid RegionSite”. How to resolve this. Well there are many solution for this. 1. Check if the default activity is set on the taskflow included in the .jspx, if […]