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Posted to dev@sling.apache.org by "Carsten Ziegeler (JIRA)" <ji...@apache.org> on 2008/02/01 08:57:08 UTC

[jira] Created: (SLING-215) NPE in servlet resolving

NPE in servlet resolving
------------------------

                 Key: SLING-215
                 URL: https://issues.apache.org/jira/browse/SLING-215
             Project: Sling
          Issue Type: Bug
          Components: ServletResolver
            Reporter: Carsten Ziegeler


When invoking a path without extension like http://localhost:8080/sling1/cms/siteadmin (sling1 is the webapp context, and cms/siteadmin is a node in the repository)
I get the following error
java.lang.NullPointerException
	java.lang.String.startsWith(String.java:1252)
	java.lang.String.startsWith(String.java:1281)
	org.apache.sling.servlet.resolver.SlingServletResolver.getServletAt(SlingServletResolver.java:339)
	org.apache.sling.servlet.resolver.SlingServletResolver.resolveServlet(SlingServletResolver.java:145)
	org.apache.sling.core.impl.request.RequestData.init(RequestData.java:156)
	org.apache.sling.core.impl.SlingMainServlet.service(SlingMainServlet.java:249)
	org.apache.sling.core.impl.SlingMainServlet.service(SlingMainServlet.java:172)
	org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90)
	org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:109)
	org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:75)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	org.apache.sling.launcher.webapp.SlingServlet.service(SlingServlet.java:194)

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[jira] Closed: (SLING-215) NPE in servlet resolving

Posted by "Carsten Ziegeler (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/SLING-215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Carsten Ziegeler closed SLING-215.
----------------------------------


Works perfectly. Thanks!

> NPE in servlet resolving
> ------------------------
>
>                 Key: SLING-215
>                 URL: https://issues.apache.org/jira/browse/SLING-215
>             Project: Sling
>          Issue Type: Bug
>          Components: ServletResolver
>            Reporter: Carsten Ziegeler
>            Assignee: Felix Meschberger
>             Fix For: 2.0.0
>
>
> When invoking a path without extension like http://localhost:8080/sling1/cms/siteadmin (sling1 is the webapp context, and cms/siteadmin is a node in the repository)
> I get the following error
> java.lang.NullPointerException
> 	java.lang.String.startsWith(String.java:1252)
> 	java.lang.String.startsWith(String.java:1281)
> 	org.apache.sling.servlet.resolver.SlingServletResolver.getServletAt(SlingServletResolver.java:339)
> 	org.apache.sling.servlet.resolver.SlingServletResolver.resolveServlet(SlingServletResolver.java:145)
> 	org.apache.sling.core.impl.request.RequestData.init(RequestData.java:156)
> 	org.apache.sling.core.impl.SlingMainServlet.service(SlingMainServlet.java:249)
> 	org.apache.sling.core.impl.SlingMainServlet.service(SlingMainServlet.java:172)
> 	org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90)
> 	org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:109)
> 	org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:75)
> 	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> 	org.apache.sling.launcher.webapp.SlingServlet.service(SlingServlet.java:194)

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[jira] Assigned: (SLING-215) NPE in servlet resolving

Posted by "Felix Meschberger (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/SLING-215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Felix Meschberger reassigned SLING-215:
---------------------------------------

    Assignee: Felix Meschberger

> NPE in servlet resolving
> ------------------------
>
>                 Key: SLING-215
>                 URL: https://issues.apache.org/jira/browse/SLING-215
>             Project: Sling
>          Issue Type: Bug
>          Components: ServletResolver
>            Reporter: Carsten Ziegeler
>            Assignee: Felix Meschberger
>
> When invoking a path without extension like http://localhost:8080/sling1/cms/siteadmin (sling1 is the webapp context, and cms/siteadmin is a node in the repository)
> I get the following error
> java.lang.NullPointerException
> 	java.lang.String.startsWith(String.java:1252)
> 	java.lang.String.startsWith(String.java:1281)
> 	org.apache.sling.servlet.resolver.SlingServletResolver.getServletAt(SlingServletResolver.java:339)
> 	org.apache.sling.servlet.resolver.SlingServletResolver.resolveServlet(SlingServletResolver.java:145)
> 	org.apache.sling.core.impl.request.RequestData.init(RequestData.java:156)
> 	org.apache.sling.core.impl.SlingMainServlet.service(SlingMainServlet.java:249)
> 	org.apache.sling.core.impl.SlingMainServlet.service(SlingMainServlet.java:172)
> 	org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90)
> 	org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:109)
> 	org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:75)
> 	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> 	org.apache.sling.launcher.webapp.SlingServlet.service(SlingServlet.java:194)

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[jira] Commented: (SLING-215) NPE in servlet resolving

Posted by "Felix Meschberger (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/SLING-215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12564675#action_12564675 ] 

Felix Meschberger commented on SLING-215:
-----------------------------------------

This is probably an issue in org.apache.sling.servlet.resolver.helper.PathSupport.getScriptBaseName, where the condition

  (HttpConstants.METHOD_GET.equalsIgnoreCase(methodName)
            || HttpConstants.METHOD_HEAD.equalsIgnoreCase(methodName)
            && extension != null && extension.length() > 0)

is check and the "baseName" is intended to be set to the extension name unless the extension name is null or empty.

It looks like a evaluation order issue in that the || part must be correctly parenthesized:

  ((HttpConstants.METHOD_GET.equalsIgnoreCase(methodName)
            || HttpConstants.METHOD_HEAD.equalsIgnoreCase(methodName))
            && extension != null && extension.length() > 0)


WDYT ?

> NPE in servlet resolving
> ------------------------
>
>                 Key: SLING-215
>                 URL: https://issues.apache.org/jira/browse/SLING-215
>             Project: Sling
>          Issue Type: Bug
>          Components: ServletResolver
>            Reporter: Carsten Ziegeler
>
> When invoking a path without extension like http://localhost:8080/sling1/cms/siteadmin (sling1 is the webapp context, and cms/siteadmin is a node in the repository)
> I get the following error
> java.lang.NullPointerException
> 	java.lang.String.startsWith(String.java:1252)
> 	java.lang.String.startsWith(String.java:1281)
> 	org.apache.sling.servlet.resolver.SlingServletResolver.getServletAt(SlingServletResolver.java:339)
> 	org.apache.sling.servlet.resolver.SlingServletResolver.resolveServlet(SlingServletResolver.java:145)
> 	org.apache.sling.core.impl.request.RequestData.init(RequestData.java:156)
> 	org.apache.sling.core.impl.SlingMainServlet.service(SlingMainServlet.java:249)
> 	org.apache.sling.core.impl.SlingMainServlet.service(SlingMainServlet.java:172)
> 	org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90)
> 	org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:109)
> 	org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:75)
> 	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> 	org.apache.sling.launcher.webapp.SlingServlet.service(SlingServlet.java:194)

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[jira] Resolved: (SLING-215) NPE in servlet resolving

Posted by "Felix Meschberger (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/SLING-215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Felix Meschberger resolved SLING-215.
-------------------------------------

       Resolution: Fixed
    Fix Version/s: 2.0.0

Fixed as proposed in Rev. 617368.

Please close if this resolves your issue. Thanks.

> NPE in servlet resolving
> ------------------------
>
>                 Key: SLING-215
>                 URL: https://issues.apache.org/jira/browse/SLING-215
>             Project: Sling
>          Issue Type: Bug
>          Components: ServletResolver
>            Reporter: Carsten Ziegeler
>            Assignee: Felix Meschberger
>             Fix For: 2.0.0
>
>
> When invoking a path without extension like http://localhost:8080/sling1/cms/siteadmin (sling1 is the webapp context, and cms/siteadmin is a node in the repository)
> I get the following error
> java.lang.NullPointerException
> 	java.lang.String.startsWith(String.java:1252)
> 	java.lang.String.startsWith(String.java:1281)
> 	org.apache.sling.servlet.resolver.SlingServletResolver.getServletAt(SlingServletResolver.java:339)
> 	org.apache.sling.servlet.resolver.SlingServletResolver.resolveServlet(SlingServletResolver.java:145)
> 	org.apache.sling.core.impl.request.RequestData.init(RequestData.java:156)
> 	org.apache.sling.core.impl.SlingMainServlet.service(SlingMainServlet.java:249)
> 	org.apache.sling.core.impl.SlingMainServlet.service(SlingMainServlet.java:172)
> 	org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90)
> 	org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:109)
> 	org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:75)
> 	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> 	org.apache.sling.launcher.webapp.SlingServlet.service(SlingServlet.java:194)

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