CQ5.2.X: Images broken due to "Unable to compile servlet." error

Symptoms

Images on the site do not appear and/or you get an exception similar to the following javax.servlet.ServletException: Unable to compile servlet.. Please note that the occurrence of this issue is very infrequent and random.

29.06.2009 15:42:56.560 *ERROR* [127.0.0.1 [1246282976544] GET /content/geometrixx/en/services.navimage.png HTTP/1.1]  
com.day.cq.wcm.core.impl.WCMDebugFilter Error during include of SlingRequestPathInfo:  
path='/content/geometrixx/en/services/jcr:content',  
selectorString='navimage', 
 extension='png', suffix='null' org.apache.sling.api.SlingException: Cannot get DefaultSlingScript: javax.servlet.ServletException: Unable to compile servlet. 
 at org.apache.sling.scripting.core.impl.DefaultSlingScript.service(DefaultSlingScript.java:239) 
 at org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:520) 
 at org.apache.sling.engine.impl.filter.SlingComponentFilterChain.render(SlingComponentFilterChain.java:45) 
 at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:59) 
 at com.day.cq.wcm.core.impl.WCMDebugFilter.doFilterWithErrorHandling(WCMDebugFilter.java:181) 
 at com.day.cq.wcm.core.impl.WCMDebugFilter.doFilter(WCMDebugFilter.java:148) 
 at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:57) 
 at com.day.cq.wcm.core.impl.WCMRequestFilter.doFilter(WCMRequestFilter.java:222) 
 at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:57) 
 at org.apache.sling.engine.impl.SlingMainServlet.processRequest(SlingMainServlet.java:406) 
 at org.apache.sling.engine.impl.SlingMainServlet.includeContent(SlingMainServlet.java:387) 
 at org.apache.sling.engine.impl.request.SlingRequestDispatcher.dispatch(SlingRequestDispatcher.java:175) 
 at org.apache.sling.engine.impl.request.SlingRequestDispatcher.include(SlingRequestDispatcher.java:69) 
 at com.day.cq.wcm.core.impl.ProxyServlet.service(ProxyServlet.java:70) 
 at org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:520) 
 at org.apache.sling.engine.impl.filter.SlingComponentFilterChain.render(SlingComponentFilterChain.java:45) 
 at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:59) 
 at com.day.cq.wcm.core.impl.WCMDebugFilter.doFilter(WCMDebugFilter.java:145) 
 at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:57) 
 at com.day.cq.wcm.core.impl.WCMRequestFilter.filterRootInclude(WCMRequestFilter.java:311) 
 at com.day.cq.wcm.core.impl.WCMRequestFilter.doFilter(WCMRequestFilter.java:149) 
 at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:57) 
 at org.apache.sling.engine.impl.SlingMainServlet.processRequest(SlingMainServlet.java:406) 
 at org.apache.sling.engine.impl.filter.RequestSlingFilterChain.render(RequestSlingFilterChain.java:48) 
 at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:59) 
 at org.apache.sling.engine.impl.debug.RequestProgressTrackerLogFilter.doFilter(RequestProgressTrackerLogFilter.java:59) 
 at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:57) 
 at com.day.cq.rewriter.filter.RewriterFilter.doFilter(RewriterFilter.java:74) 
 at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:57) 
 at com.day.cq.wcm.foundation.forms.impl.FormsHandlingServlet.doFilter(FormsHandlingServlet.java:192) 
 at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:57) 
 at com.day.cq.theme.impl.ThemeResolverFilter.doFilter(ThemeResolverFilter.java:67) 
 at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:57) 
 at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:96) 
 at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:57) 
 at org.apache.sling.engine.impl.SlingMainServlet.service(SlingMainServlet.java:296) 
 at org.apache.sling.engine.impl.SlingMainServlet.service(SlingMainServlet.java:183) 
 at org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90) 
 at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:109) 
 at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:75) 
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) 
 at org.apache.sling.launchpad.base.webapp.SlingServletDelegate.service(SlingServletDelegate.java:276) 
 at org.apache.sling.launchpad.webapp.SlingServlet.service(SlingServlet.java:127) 
 at com.day.j2ee.servletengine.ServletRuntimeEnvironment.service(ServletRuntimeEnvironment.java:228) 
 at com.day.j2ee.servletengine.RequestDispatcherImpl.doFilter(RequestDispatcherImpl.java:315) 
 at com.day.j2ee.servletengine.FilterChainImpl.doFilter(FilterChainImpl.java:74) 
 at com.day.crx.launchpad.filters.CRXLaunchpadLicenseFilter.doFilter(CRXLaunchpadLicenseFilter.java:96) 
 at com.day.j2ee.servletengine.FilterChainImpl.doFilter(FilterChainImpl.java:72) 
 at com.day.j2ee.servletengine.RequestDispatcherImpl.service(RequestDispatcherImpl.java:334) 
 at com.day.j2ee.servletengine.RequestDispatcherImpl.service(RequestDispatcherImpl.java:378) 
 at com.day.j2ee.servletengine.ServletHandlerImpl.execute(ServletHandlerImpl.java:313) 
 at com.day.j2ee.servletengine.DefaultThreadPool$DequeueThread.run(DefaultThreadPool.java:134) 
 at java.lang.Thread.run(Thread.java:613) 
Caused by: org.apache.sling.api.SlingServletException: javax.servlet.ServletException: Unable to compile servlet. 
 at org.apache.sling.scripting.java.ServletWrapper.service(ServletWrapper.java:153) 
 at org.apache.sling.scripting.java.JavaScriptEngineFactory.callServlet(JavaScriptEngineFactory.java:175) 
 at org.apache.sling.scripting.java.JavaScriptEngineFactory.access$000(JavaScriptEngineFactory.java:61) 
 at org.apache.sling.scripting.java.JavaScriptEngineFactory$JavaScriptEngine.eval(JavaScriptEngineFactory.java:266) 
 at org.apache.sling.scripting.core.impl.DefaultSlingScript.call(DefaultSlingScript.java:135) 
 at org.apache.sling.scripting.core.impl.DefaultSlingScript.eval(DefaultSlingScript.java:106) 
 at org.apache.sling.scripting.core.impl.DefaultSlingScript.service(DefaultSlingScript.java:225) 
 ... 52 more 
Caused by: javax.servlet.ServletException: Unable to compile servlet. 
 at org.apache.sling.scripting.java.ServletWrapper.getServlet(ServletWrapper.java:112) 
 at org.apache.sling.scripting.java.ServletWrapper.service(ServletWrapper.java:209) 
 at org.apache.sling.scripting.java.ServletWrapper.service(ServletWrapper.java:146) 
 ... 58 more 

Cause

This is due to an issue where the org.apache.sling.jcr.classloader.internal.RepositoryClassLoaderProviderImpl service loses reference to the JCR repository.

Resolution

  1. Login to http://<host>:<port>/system/console/components
  2. Restart the service org.apache.sling.jcr.classloader.internal.RepositoryClassLoaderProviderImpl

Applies to

CQ 5.2.X

 Adobe

Gaukite pagalbą greičiau ir lengviau

Naujas vartotojas?

Adobe MAX 2024

Adobe MAX
Kūrybiškumo konferencija

Spalio 14–16 d. Miami Beach ir internetu

Adobe MAX

Kūrybiškumo konferencija

Spalio 14–16 d. Miami Beach ir internetu

Adobe MAX 2024

Adobe MAX
Kūrybiškumo konferencija

Spalio 14–16 d. Miami Beach ir internetu

Adobe MAX

Kūrybiškumo konferencija

Spalio 14–16 d. Miami Beach ir internetu