So I was looking at the documentation for User Synchronization[1], specifically the bit about Troubleshooting - User Sync Diagnostics[2] and when I went to pull up that diagnostics tool, I received the following error:
Infinite recursion (StackOverflowError) (through reference chain: jdk.nashorn.internal.objects.NativeObject$Prototype["map"]) Cannot serve request to /libs/granite/operations/content/diagnosis/tool.html/syncdiagnostics in /libs/social/diagnostics/base/components/diagnostics/GET.hbs Exception: java.lang.IllegalArgumentException: Infinite recursion (StackOverflowError) (through reference chain: jdk.nashorn.internal.objects.NativeObject$Prototype["map"])
Scratched my head on that for a little while and it wasn't until I pulled up the error.log that I found this little beauty waiting for me:
16.12.2016 11:28:16.890 *ERROR* [0:0:0:0:0:0:0:1 [1481909296863] GET /libs/granite/operations/content/diagnosis/tool.html/syncdiagnostics HTTP/1.1] com.adobe.cq.social.sync.diagnostics.impl.AbstractDiagnosticsCheck The following condition was not satisfied: "No Sling Sync Agents are configured -- please follow the link (below) to the documentation" 16.12.2016 11:28:16.890 *WARN* [0:0:0:0:0:0:0:1 [1481909296863] GET /libs/granite/operations/content/diagnosis/tool.html/syncdiagnostics HTTP/1.1] com.adobe.cq.social.sync.diagnostics.impl.AbstractDiagnosticsCheck Step: Verify Apache Sling Sync Agents Configuration Check on Author failed.
Just wanted to say that:
[1] https://docs.adobe.com/docs/en/aem/6-2/administer/security/security/sync.html
[2] https://docs.adobe.com/docs/en/aem/6-2/administer/security/security/sync.html#User Sync Diagnostics
[3] http://localhost:4502/libs/granite/operations/content/diagnosis.html
Hi Sir,
I'm sorry to hear that you are having issues running the diagnostics. I've seen this in a specific revision of the JDK 1.8. What JDK version are you running? Would it be possible to upgrade it? I will add your feedback to our internal Jira for the diagnostics for future enhancements.
Thanks, again, and please let me know what your JDK version is.
Regards
-Jay
jayb43402168 wrote...
Hi Sir,
I'm sorry to hear that you are having issues running the diagnostics. I've seen this in a specific revision of the JDK 1.8. What JDK version are you running? Would it be possible to upgrade it? I will add your feedback to our internal Jira for the diagnostics for future enhancements.
Thanks, again, and please let me know what your JDK version is.
Regards
-Jay
jdk1.8.0_31
Thanks, just wanted to let you know!
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Also, after going through the motions of setting up User Syncrhonization on my local author and publisher, still can't access the diagnostics tool.
No serializer found for class jdk.nashorn.internal.runtime.PropertyListeners and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) ) Cannot serve request to /libs/granite/operations/content/diagnosis/tool.html/syncdiagnostics in /libs/social/diagnostics/base/components/diagnostics/GET.hbs Exception: java.lang.IllegalArgumentException: No serializer found for class jdk.nashorn.internal.runtime.PropertyListeners and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) ) at com.fasterxml.jackson.databind.ObjectMapper._convert(ObjectMapper.java:2711) at com.fasterxml.jackson.databind.ObjectMapper.convertValue(ObjectMapper.java:2637) at com.adobe.cq.social.scf.core.BaseSocialComponent.getAsMap(BaseSocialComponent.java:310) at com.adobe.cq.social.handlebars.HandlebarsScriptingEngine.eval(HandlebarsScriptingEngine.java:167) at org.apache.sling.scripting.core.impl.DefaultSlingScript.call(DefaultSlingScript.java:388) at org.apache.sling.scripting.core.impl.DefaultSlingScript.eval(DefaultSlingScript.java:184) at org.apache.sling.scripting.core.impl.DefaultSlingScript.service(DefaultSlingScript.java:491) at org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:546) at org.apache.sling.engine.impl.filter.SlingComponentFilterChain.render(SlingComponentFilterChain.java:44) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:77) at com.day.cq.personalization.impl.TargetComponentFilter.doFilter(TargetComponentFilter.java:96) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:68) at com.day.cq.wcm.core.impl.WCMDebugFilter.doFilter(WCMDebugFilter.java:151) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:68) at com.day.cq.wcm.core.impl.WCMComponentFilter.filterRootInclude(WCMComponentFilter.java:362) at com.day.cq.wcm.core.impl.WCMComponentFilter.doFilter(WCMComponentFilter.java:177) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:68) at com.day.cq.wcm.core.impl.WCMDeveloperModeFilter.doFilter(WCMDeveloperModeFilter.java:114) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:68) at org.apache.sling.engine.impl.SlingRequestProcessorImpl.processComponent(SlingRequestProcessorImpl.java:282) at org.apache.sling.engine.impl.SlingRequestProcessorImpl.dispatchRequest(SlingRequestProcessorImpl.java:322) at org.apache.sling.engine.impl.request.SlingRequestDispatcher.dispatch(SlingRequestDispatcher.java:211) at org.apache.sling.engine.impl.request.SlingRequestDispatcher.include(SlingRequestDispatcher.java:104) at com.day.cq.wcm.core.impl.WCMComponentFilter$ForwardRequestDispatcher.include(WCMComponentFilter.java:503) at com.adobe.granite.ui.components.ComponentHelper.include(ComponentHelper.java:730) at com.adobe.granite.ui.components.ComponentHelper.include(ComponentHelper.java:703) at com.adobe.granite.ui.components.ComponentHelper.include(ComponentHelper.java:689) at com.adobe.granite.ui.components.ComponentHelper.include(ComponentHelper.java:663) ... snipped a bunch of extra lines here ... Caused by: com.fasterxml.jackson.databind.JsonMappingException: No serializer found for class jdk.nashorn.internal.runtime.PropertyListeners and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) ) at com.fasterxml.jackson.databind.ser.impl.UnknownSerializer.failForEmpty(UnknownSerializer.java:59) at com.fasterxml.jackson.databind.ser.impl.UnknownSerializer.serialize(UnknownSerializer.java:26) at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:541) at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:644) at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:541) at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:644) at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:541) at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:644) at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:467) at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:388) at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:27) at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:467) at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:388) at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:27) at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:467) at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:388) at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:27) at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:541) at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:644) at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:467) at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:388) at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:27) at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:541) at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:644) at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:114) at com.fasterxml.jackson.databind.ObjectMapper._convert(ObjectMapper.java:2689) ... 176 more
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To provide a little more detail, I'm receiving these errors on my local AEM (6.2 with Communities FP1/FP2) servers running on OS X El Capitan (10.11.6) with Java 1.8 Update 31 (jdk 1.8.0_31).
I tested the same functionality on some local AEM (6.2 with Communities FP1/FP2) servers running on Windows 7 Enterprise (Service Pack 1) with Java 1.8 Update 66 (jdk 1.8.0_66), and the User Sync diagnostics tool works just fine.
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