The tag library descriptor is invalid. The mustUnderstand attribute is specified in aa....aa element. (J2EE application = bb....bb, context root = cc....cc, file = dd....dd)

aa....aa: Element name in which true is set as the value of mustUnderstand attribute
bb....bb: The J2EE application name in the case of the J2EE server mode, and a null character string in the case of the servlet engine mode, or cjjspc command
cc....cc: The context root name in the case of the J2EE server mode or the servlet engine mode, and a null character string in the case of cjjspc command
dd....dd: Path of the corresponding file

Description

True is specified as the value of mustUnderstand attribute of element aa....aa. This tag library descriptor (TLD) file becomes disabled and cannot be used.

The path dd....dd of the corresponding file will be output in the following format:

• In the case of a file within the Web application
  Path within the Web application
  
• In the case of a TLD file saved in the JAR file of the Web application
  Path within the Web application of the JAR file (entry = path-within-the-JAR-file)
  
• In the case of a TLD file within the library JAR
  LIB (Path from the root of the J2EE application of the JAR file in which the TLD file is saved) (entry = path-within-the-JAR-file)
  
• In the case of a TLD file within the JAR file specified in the class path with the cjjspc command
  LIB (Absolute path of the JAR file in which the TLD file is saved) (entry = path-within-the-JAR-file)
  

Action

Check the contents of the element in which the mustUnderstand attribute of the TLD file are set.