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Mantis - Resin
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| ID: | Category: | Severity: | Reproducibility: | Date Submitted: | Last Update: |
| 4761 | minor | always | 09-13-11 09:43 | 10-04-11 15:24 | |
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| Reporter: | stbu | Platform: | |||
| Assigned To: | ferg | OS: | |||
| Priority: | normal | OS Version: | |||
| Status: | closed | Product Version: | 4.0.22 | ||
| Product Build: | Resolution: | fixed | |||
| Projection: | none | ||||
| ETA: | none | Fixed in Version: | 4.0.24 | ||
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| Summary: | 0004761: NullPointerException in WebApp.getRealPath | ||||
| Description: |
The following piece of JSP code (sample) produces a NullPointerException in Resin's Code for implementation of ServletContext.getRealPath: <% pageContext.getServletContext().getRealPath((String) request.getAttribute("javax.servlet.error.request_uri")); %> but the Servlet 2.5 Spec contains the following about getRealPath: <quote> This method returns null if the servlet container cannot translate the virtual path to a real path for ***any reason*** ... </quote> And any reason includes NULL as argument? This happens if request.getAttribute("javax.servlet.error.request_uri") returns null itself, e.g. when there is no error in a request. It would be better and compliant to the 2.5 Servlet Spec if WebApp.getRealPath() would just return null. |
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| Steps To Reproduce: | |||||
| Additional Information: |
Stack Trace in Resin 4.0.22: java.lang.NullPointerException at com.caucho.server.webapp.WebApp.getRealPath(WebApp.java:4318) at _jsp._real_22dpath_22dtest__jsp._jspService(real-path-test.jsp:2) at _jsp._real_22dpath_22dtest__jsp._jspService(_real_22dpath_22dtest__jsp.java:29) at com.caucho.jsp.JavaPage.service(JavaPage.java:64) at com.caucho.jsp.Page.pageservice(Page.java:542) at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:194) at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:156) at com.caucho.server.webapp.AccessLogFilterChain.doFilter(AccessLogFilterChain.java:95) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:289) at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:811) at com.caucho.network.listen.TcpSocketLink.dispatchRequest(TcpSocketLink.java:1203) at com.caucho.network.listen.TcpSocketLink.handleRequest(TcpSocketLink.java:1164) at com.caucho.network.listen.TcpSocketLink.handleRequestsImpl(TcpSocketLink.java:1148) at com.caucho.network.listen.TcpSocketLink.handleRequests(TcpSocketLink.java:1071) at com.caucho.network.listen.TcpSocketLink.handleAcceptTask(TcpSocketLink.java:907) at com.caucho.network.listen.AcceptTask.doTask(AcceptTask.java:74) at com.caucho.network.listen.ConnectionTask.runThread(ConnectionTask.java:97) at com.caucho.network.listen.ConnectionTask.run(ConnectionTask.java:80) at com.caucho.network.listen.AcceptTask.run(AcceptTask.java:59) at com.caucho.env.thread.ResinThread.runTasks(ResinThread.java:164) at com.caucho.env.thread.ResinThread.run(ResinThread.java:130) Stack Trace in Resin 3.1.11: java.lang.NullPointerException at com.caucho.server.webapp.WebApp.getRealPath(WebApp.java:2456) at _jsp._real_22dpath_22dtest__jsp._jspService(real-path-test.jsp:2) at com.caucho.jsp.JavaPage.service(JavaPage.java:61) at com.caucho.jsp.Page.pageservice(Page.java:578) at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:195) at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:187) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:265) at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:273) at com.caucho.server.port.TcpConnection.run(TcpConnection.java:682) at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:743) at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:662) at java.lang.Thread.run(Thread.java:619) |
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