Client was getting following error while accessing the form application.
500 Internal Server Error
java.io.IOException: Too many open files at java.io.FileInputStream.open(Native Method) at java.io.FileInputStream.(FileInputStream.java:106) at java.io.FileInputStream.(FileInputStream.java:66) at java.io.FileReader.(FileReader.java:41) at oracle.forms.servlet.ConfigFileParser.(Unknown Source) at oracle.forms.servlet.FormsServlet.doRequest(Unknown Source) at
java.io.IOException: Too many open files at java.io.FileInputStream.open(Native Method) at java.io.FileInputStream.