[ https://issues.apache.org/jira/browse/SLING-3734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bertrand Delacretaz updated SLING-3734: --------------------------------------- Affects Version/s: Servlets Post 2.3.4 > 'org.apache.sling.api.SlingException: Failed to generate name' when posting > under load > -------------------------------------------------------------------------------------- > > Key: SLING-3734 > URL: https://issues.apache.org/jira/browse/SLING-3734 > Project: Sling > Issue Type: Bug > Components: Servlets > Affects Versions: Servlets Post 2.3.4, Launchpad Builder 7 > Reporter: David Bosschaert > Attachments: jmeter-config.jmx > > > I was doing some load testing on the current Sling (trunk) launchpad which I > started as follows: > java -jar org.apache.sling.launchpad-7-SNAPSHOT-standalone.jar > I used a multitreaded client (JMeter, 4 threads) to send a whole bunch of > post requests to http://machine:8080/content/mynoderoot/ to get the node name > auto-generated. > However, on about 25% of the requests I'm getting a 500 response with the > following exception message: org.apache.sling.api.SlingException: Failed to > generate name. The full stack trace is below. > {code}org.apache.sling.api.SlingException: Failed to generate name > org.apache.sling.servlets.post.impl.operations.ModifyOperation.getItemPath(ModifyOperation.java:175) > org.apache.sling.servlets.post.AbstractPostOperation.run(AbstractPostOperation.java:77) > org.apache.sling.servlets.post.impl.SlingPostServlet.doPost(SlingPostServlet.java:199) > org.apache.sling.api.servlets.SlingAllMethodsServlet.mayService(SlingAllMethodsServlet.java:148) > org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMethodsServlet.java:344) > org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMethodsServlet.java:375) > org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:511) > org.apache.sling.engine.impl.SlingRequestProcessorImpl.processComponent(SlingRequestProcessorImpl.java:289) > org.apache.sling.engine.impl.filter.RequestSlingFilterChain.render(RequestSlingFilterChain.java:49) > org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:64) > org.apache.sling.engine.impl.debug.RequestProgressTrackerLogFilter.doFilter(RequestProgressTrackerLogFilter.java:64) > org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) > org.apache.sling.engine.impl.SlingRequestProcessorImpl.doProcessRequest(SlingRequestProcessorImpl.java:153) > org.apache.sling.engine.impl.SlingMainServlet.service(SlingMainServlet.java:206) > org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletHandler.java:96) > org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:79) > org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:42) > org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49) > org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33) > org.apache.sling.engine.impl.log.RequestLoggerFilter.doFilter(RequestLoggerFilter.java:75) > org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88) > org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76) > org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47) > org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33) > org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48) > org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39) > org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67) > javax.servlet.http.HttpServlet.service(HttpServlet.java:820) > org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:654) > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:445) > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1044) > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:372) > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:189) > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:978) > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) > org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255) > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) > org.eclipse.jetty.server.Server.handle(Server.java:369) > org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:486) > org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:944) > org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1005) > org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865) > org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240) > org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) > org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668) > org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52) > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) > org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) > java.lang.Thread.run(Thread.java:744) > Caused by: javax.jcr.RepositoryException: Collision in generated node names > for path=/content/mynoderoot/some_title > org.apache.sling.servlets.post.impl.operations.AbstractCreateOperation.ensureUniquePath(AbstractCreateOperation.java:690) > org.apache.sling.servlets.post.impl.operations.AbstractCreateOperation.generateName(AbstractCreateOperation.java:664) > org.apache.sling.servlets.post.impl.operations.ModifyOperation.getItemPath(ModifyOperation.java:173) > ... 49 common frames omitted{code} -- This message was sent by Atlassian JIRA (v6.2#6252)