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PODefaultInstanceManager can not access a member of class with modifiers ""
 

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    <p>not sure whats wrong here, please assist. this is the exception :</p> <pre><code>SEVERE: Exception starting filter com.bannerplay.beans.LoginFilter java.lang.IllegalAccessException: Class org.apache.catalina.core.DefaultInstanceManager can not access a member of class com.bannerplay.beans.LoginFilter with modifiers "" at sun.reflect.Reflection.ensureMemberAccess(Unknown Source) at java.lang.Class.newInstance0(Unknown Source) at java.lang.Class.newInstance(Unknown Source) at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:134) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:256) at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:382) at org.apache.catalina.core.ApplicationFilterConfig.&lt;init&gt;(ApplicationFilterConfig.java:103) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4650) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5306) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) </code></pre> <p>login.xhtml</p> <pre><code>&lt;h:form&gt; Username : &lt;h:inputText value="#{loginBean.username}" /&gt; Password : &lt;h:inputSecret value="#{loginBean.password}" /&gt; &lt;h:commandButton value="Login" action="#{loginBean.checkLogin}" /&gt; &lt;/h:form&gt; </code></pre> <p>web.xml</p> <pre><code> &lt;filter&gt; &lt;filter-name&gt;LoginFilter&lt;/filter-name&gt; &lt;filter-class&gt;com.bannerplay.beans.LoginFilter&lt;/filter-class&gt; &lt;/filter&gt; &lt;filter-mapping&gt; &lt;filter-name&gt;LoginFilter&lt;/filter-name&gt; &lt;servlet-name&gt;FacesServlet&lt;/servlet-name&gt; &lt;url-pattern&gt;/admin/*&lt;/url-pattern&gt; &lt;/filter-mapping&gt; &lt;welcome-file-list&gt; &lt;welcome-file&gt;/login.xhtml&lt;/welcome-file&gt; &lt;/welcome-file-list&gt; &lt;servlet&gt; &lt;servlet-name&gt;FacesServlet&lt;/servlet-name&gt; &lt;servlet-class&gt;javax.faces.webapp.FacesServlet&lt;/servlet-class&gt; &lt;load-on-startup&gt;1&lt;/load-on-startup&gt; &lt;/servlet&gt; ... </code></pre> <p>and LoginFilter.java</p> <pre><code>import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.annotation.WebFilter; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; @WebFilter("/admin/*") class LoginFilter implements Filter { @Override public void doFilter(ServletRequest request , ServletResponse response , FilterChain chain) throws ServletException, IOException { HttpSession session = ((HttpServletRequest) request).getSession(); UserBean userBean = (UserBean) session.getAttribute("userBean"); if (userBean != null) { User user = userBean.getUser(); if (user == null) { ((HttpServletResponse) response).sendRedirect("/login.xhtml"); } else chain.doFilter(request, response); } else ((HttpServletResponse) response).sendRedirect("/login.xhtml"); } public void init(FilterConfig fc) { } public void destroy() { } } </code></pre> <p>I have no idea where this exception comes from,please shade some light on this issue. Thanks!</p> <p><strong>EDIT1:</strong> adding UserBean.java code :</p> <pre><code>import java.io.Serializable; import javax.faces.bean.ManagedBean; import javax.faces.bean.SessionScoped; @ManagedBean @SessionScoped class UserBean implements Serializable { /** * */ private static final long serialVersionUID = 1L; public User getUser() { return user; } public void setUser(User user) { this.user = user; } private User user; } </code></pre> <p>BTW, SEVERE: Context [/projectName] startup failed due to previous errors</p>
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