Hello,

I¹m getting a NullPointerException when executing a simple XPATH query via
the JsonQueryServlet.  How stable is the JsonQueryServlet?  I¹m using the
servlet in version 6 WAR.  This does work fine when I have different/less
data in the repository.

Thanks,

Roger


http://localhost:7070/sling/content.query.json?queryType=xpath&statement=//*
[@jcr:primaryType='test:imageReference']

java.lang.NullPointerException
    at 
org.apache.sling.servlets.get.impl.JsonQueryServlet.dumpResult(JsonQueryServ
let.java:193)
    at 
org.apache.sling.servlets.get.impl.JsonQueryServlet.doGet(JsonQueryServlet.j
ava:106)
    at 
org.apache.sling.api.servlets.SlingSafeMethodsServlet.mayService(SlingSafeMe
thodsServlet.java:268)
    at 
org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMetho
dsServlet.java:344)
    at 
org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMetho
dsServlet.java:375)
    at 
org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:52
9)
    at 
org.apache.sling.engine.impl.SlingRequestProcessorImpl.processComponent(Slin
gRequestProcessorImpl.java:274)
    at 
org.apache.sling.engine.impl.filter.RequestSlingFilterChain.render(RequestSl
ingFilterChain.java:49)
    at 
org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(Abstra
ctSlingFilterChain.java:64)
    at 
org.apache.sling.engine.impl.debug.RequestProgressTrackerLogFilter.doFilter(
RequestProgressTrackerLogFilter.java:59)
    at 
org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(Abstra
ctSlingFilterChain.java:60)
    at 
org.apache.sling.engine.impl.SlingRequestProcessorImpl.processRequest(SlingR
equestProcessorImpl.java:161)
    at 
org.apache.sling.engine.impl.SlingMainServlet.service(SlingMainServlet.java:
183)
    at 
org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletH
andler.java:96)
    at 
org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHan
dler.java:79)
    at 
org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletP
ipeline.java:42)
    at 
org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(
InvocationFilterChain.java:49)
    at 
org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi
lterChain.java:33)
    at 
org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterP
ipeline.java:48)
    at 
org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.
java:39)
    at 
org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServ
let.java:67)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
    at 
org.apache.felix.http.proxy.ProxyServlet.service(ProxyServlet.java:60)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
    at 
org.apache.sling.launchpad.base.webapp.SlingServletDelegate.service(SlingSer
vletDelegate.java:277)
    at 
org.apache.sling.launchpad.webapp.SlingServlet.service(SlingServlet.java:148
)
    at 
weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSe
curityHelper.java:227)
    at 
weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelpe
r.java:125)
    at 
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
    at 
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
    at 
weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(W
ebAppServletContext.java:3498)
    at 
weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubjec
t.java:321)
    at weblogic.security.service.SecurityManager.runAs(Unknown Source)
    at 
weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletC
ontext.java:2180)
    at 
weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.
java:2086)
    at 
weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:140
6)
    at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
    at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)



Reply via email to