The <c:forToken> tag is used to break a string into tokens and iterate through each of the tokens. This tag is also used for looping over tokenized elements of a string. Syntax For <c:forToken> Tag Attributes of <c:forToken> Tag items: This attribute specifies the string to be tokenized. This is the set of data values. […]
JSTL Core c:forEach Tag
The <c:forEach> tag is used to iterate over a collection of data such as arrays. A common use of this tag is to produce a HTML table containing data gathered from SQL query. Using this tag we can break the input data into multiple parts based on the delimiter. This is similar as for loop […]
JSTL Core c:remove Tag
The <c:remove> tag is used to remove the variable from the specified scope. If we want to remove the variable from the scope we need to specify the scope if we not specify the scope then it will remove the variables from all scopes. Syntax For <c:remove> Tag Attributes of <c:remove> Tag var: This attribute […]
EclipseLink – javax.persistence.PersistenceException : No Persistence provider for EntityManager
This post provides possible exception while doing the JPA programming and the suggested solution for resolving the exception. This post will solve the issue that can be happened while the JPA implementation trying to get a persistence provider. The exception explained in this post thrown when you have not configured properly the persistence unit name in […]
EclipseLink – JPA Fields Annotations – @Basic and @Transient
As mentioned earlier, EclipseLink – JPA is a persistence service, provides a mechanism to communicate with a different database vendors. That type of communication has been achieved through what has become known as annotation-based configuration, which is considered as an alternative way for doing a configuration rather than the XML. The XML-based configuration remains one […]
JSTL Core c:import Tag
The <c:import> tag is used to include the content of another resource in the current JSP. The resource can be either static or dynamic. The <c:import> tag works like the but it is more flexible and powerful. The syntax of <c:import> tag is as follows The attributes of <c:import> Tag url: This is the major […]
JSTL Core c:choose, c:when, c:otherwise Tags
JSTL Core <c:choose> Tag The <c:choose> tag of JSP core tag library is used for conditional execution of statement. The choose tag is used to construct an <c:if> statement. The <c:choose> tag acts like a java switch statement. The <c:choose> tag executes the conditional block statements which is embedded with the sub-tags <c:when> and <c:otherwise>. […]
JSTL Core c:if Tag
The <c:if> tag is the most useful of tags of JSTL core tag library. This tag evaluates an expression and displays its body content only if the expression is true. This tag allows test for condition, condition like checking for particular parameters in requestScope, sessionScope or pageScope. Syntax For c:if Tag Attribute In c:if Tag […]
JSTL Core c:catch Tag
<c:catch> tag is used to handle the exceptions that can be raised by any of the tag which are located inside the body of the tag. The tag <c:catch> is member of core tag library of jstl. The <c:catch> tag catches any throwable that occurs in the body of the tag. This tag is used […]
EclipseLink – Configuration error. Class [com.mysql.jdbc.Driver] not found [javax.persistence.PersistenceException]
The EclipseLink – JPA API is persistence service that provided a standard way to communicate with the database. The major important issue needs to take care of while development of a project using a JPA, is a database driver that can help the JPA communicates with the suggested database. This post will cover a proper […]
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