TagUtils java.lang.NullPointerException
org.apache.struts.taglib.TagUtils.computeURLWithCharEncoding(TagUtils.java:446)
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Key: STR-3135
URL: https://issues.apache.org/struts/browse/STR-3135
Project: Struts 1
Issue Type: Bug
Affects Versions: 1.3.8
Environment: Tomcat 5.5.25 as App server and Struts 1.3.8 OS: Windows
XP
Reporter: premkumar
Hi
Am trying to create a sample app using the Tomcat 5.5.25 as App server and
Struts 1.3.8.
While am accessing the index.jsp file, am getting the error: (Html taglib in
index.jsp causes the issue : <html:link forward="search">Search an
Employe</html:link>)
root cause
java.lang.NullPointerException
org.apache.struts.taglib.TagUtils.computeURLWithCharEncoding(TagUtils.java:446)
org.apache.struts.taglib.TagUtils.computeURLWithCharEncoding(TagUtils.java:329)
org.apache.struts.taglib.html.LinkTag.calculateURL(LinkTag.java:475)
org.apache.struts.taglib.html.LinkTag.doStartTag(LinkTag.java:334)
org.apache.jsp.index_jsp._jspx_meth_html_005flink_005f0(index_jsp.java:94)
org.apache.jsp.index_jsp._jspService(index_jsp.java:66)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
Even I had added the all the libs in the Struts1.3.8/lib folder to the WB-INF
lib folder and Classpath of my machine.
Here my Web.xml:
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app>
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
<load-on-startup>1</load-on-startup>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list>
</web-app>
---------------------------
Struts-config.xml
<?xml version="1.0"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts
Configuration 1.0//EN"
"http://jakarta.apache.org/struts/dtds/struts-config_1_3.dtd";>
<struts-config>
<form-beans>
<form-bean name="searchForm" type="com.hr.SearchForm"/>
</form-beans>
<global-forwards>
<forward name="search" path="/search.jsp"/>
</global-forwards>
<action-mappings>
<action path="/search"
type="com.hr.SearchAction"
name="searchForm"
scope="request"
input="/search.jsp"
validate="true">
</action>
</action-mappings>
<message-resources parameter="com.hr.MessageResources"/>
</struts-config>
---------------
following are the jars included in the lib folder of WEB-INF and classpath
servlet-api.jar
antlr-2.7.2.jar
bsf-2.3.0.jar
commons-beanutils-1.7.0.jar
commons-chain-1.1.jar
commons-digester-1.8.jar
commons-fileupload-1.1.1.jar
commons-io-1.1.jar
commons-logging-1.0.4.jar
commons-validator-1.3.1.jar
oro-2.0.8.jar
struts-core-1.3.8.jar
struts-el-1.3.8.jar
struts-extras-1.3.8.jar
struts-faces-1.3.8.jar
struts-scripting-1.3.8.jar
struts-taglib-1.3.8.jar
struts-tiles-1.3.8.jar
jstl-1.0.2.jar
standard-1.0.2.jar
struts-mailreader-dao-1.3.8.jar
Please reply me if any changes to be made in action mapping / setting.
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