Searching for Bodytagsupport Pagecontext Null information? Find all needed info by using official links provided below.
https://community.oracle.com/thread/1452617
Oct 12, 2001 · Help! pageContext is NULL in custom tag constructor! 843833 Oct 11, 2001 8:44 PM I'm having a problem with a custom tag class, and I'm not sure whether it's because I'm doing something wrong, or because I'm running into a bug with Tomcat, JDK1.4b2, or something else.
https://tomcat.apache.org/tomcat-5.5-doc/jspapi/javax/servlet/jsp/tagext/TagSupport.html
public class TagSupport extends java.lang.Object implements IterationTag, java.io.Serializable. A base class for defining new tag handlers implementing Tag. The TagSupport class is a utility class intended to be used as the base class for new tag handlers.
https://stackoverflow.com/questions/10234140/jsp-pagecontext-nullpointer
In the first class by the time doEndTag() is called, the pageContext has been set. In your second class, pageContext has not been set and therefore is null. That is what is causing your null pointer exception. See here for more details.
https://docs.oracle.com/javaee/6/api/javax/servlet/jsp/tagext/BodyTagSupport.html
public class BodyTagSupport extends TagSupport implements BodyTag. A base class for defining tag handlers implementing BodyTag. The BodyTagSupport class implements the BodyTag interface and adds additional convenience methods including getter methods for the bodyContent property and methods to get at the previous out JspWriter.
https://beginnersbook.com/2013/11/jsp-implicit-object-pagecontext-with-examples/
pageContext implicit object complete example; Screenshots of the example’s output; Methods of pageContext Implicit Object. Object findAttribute (String AttributeName): This method searches for the specified attribute in all four levels in the following order – Page, Request, Session and Application. It returns NULL when no attribute found ...
https://docs.oracle.com/javaee/5/api/javax/servlet/jsp/tagext/TagSupport.html
The TagSupport class implements the Tag and IterationTag interfaces and adds additional convenience methods including getter methods for the properties in Tag. TagSupport has one static method that is included to facilitate coordination among cooperating tags. Many tag handlers will extend TagSupport and only redefine a few methods. See Also:
https://stackoverflow.com/questions/3136415/default-value-on-jsp-custom-tag-attribute
When defining an attribute for a custom JSP tag, is it possible to specify a default value? The attribute directive doesn't have a default value attribute. Currently I'm making do with: <%@ att...
https://tomcat.apache.org/tomcat-4.1-doc/servletapi/javax/servlet/jsp/PageContext.html
public abstract class PageContext extends java.lang.Object. A PageContext instance provides access to all the namespaces associated with a JSP page, provides access to several page attributes, as well as a layer above the implementation details. Implicit objects are added the pageContext automatically.
https://www.programcreek.com/java-api-examples/index.php?api=javax.servlet.jsp.tagext.BodyTagSupport
The following are top voted examples for showing how to use javax.servlet.jsp.tagext.BodyTagSupport.These examples are extracted from open source projects. You can vote up the examples you like and your votes will be used in …
https://www.javatpoint.com/pageContext-implicit-object
JSP pagecontext implicit object with examples of session tracking, implicit objects, el, jstl, mvc, custom tags, file upload, file download, interview questions etc.
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