I looked at it, and it looked easier to use JSONSerializer in a context where I'm not sending the JSON as part of a REST request (I want to save it to a database). BTW, that's org.jabsorb.JSONSerializer (the one in the Ajax framework).
> any reason you're using JSONSerializer rather than using ERRest json > serialization? > > ms > > On May 5, 2011, at 9:56 AM, Pascal Robert wrote: > >> I'm a bit lost here. I'm trying to encode a ERCalendar object in JSON, and >> I'm getting problems. That object (coming from ERCalendar2) also have a >> array that contains EREvent objects. >> >> So I did that: >> >> JSONSerializer serializer = new JSONSerializer(); >> serializer.registerDefaultSerializers(); >> serializer.registerSerializer(new ERXBeanSerializer(EREvent.class)); >> serializer.registerSerializer(new ERXBeanSerializer(ERCalendar.class)); >> serializer.registerSerializer(new NSArraySerializer()); >> >> But I'm getting Java heap space errors (see full stack below). >> >> If I don't serialize EREvent, no errors, but the EREvent objects are not >> serialized. So I guess something make the serializer to go an infinite loop >> in EREvent, but I don't know what. >> >> Any suggestions? >> >> Stacktrace: >> >> INFO [er.ajax.json.serializer.ERXBeanSerializer] analyzing >> er.calendar2.ERCalendar >> INFO [org.jabsorb.serializer.impl.BeanSerializer] analyzing >> net.fortuna.ical4j.model.Calendar >> ... >> INFO [org.jabsorb.serializer.impl.BeanSerializer] analyzing >> java.net.Proxy$Type >> INFO [org.jabsorb.serializer.impl.BeanSerializer] analyzing >> java.util.concurrent.TimeUnit$1 >> INFO [org.jabsorb.serializer.impl.BeanSerializer] analyzing >> java.util.concurrent.TimeUnit$2 >> INFO [org.jabsorb.serializer.impl.BeanSerializer] analyzing >> java.util.concurrent.TimeUnit$3 >> INFO [org.jabsorb.serializer.impl.BeanSerializer] analyzing >> java.util.concurrent.TimeUnit$4 >> INFO [org.jabsorb.serializer.impl.BeanSerializer] analyzing >> java.util.concurrent.TimeUnit$5 >> INFO [org.jabsorb.serializer.impl.BeanSerializer] analyzing >> java.util.concurrent.TimeUnit$6 >> INFO [org.jabsorb.serializer.impl.BeanSerializer] analyzing >> java.util.concurrent.TimeUnit$7 >> WARN [NSLog] <com.webobjects.appserver._private.WOComponentRequestHandler>: >> Exception occurred while handling request: >> com.webobjects.foundation.NSForwardException >> [java.lang.reflect.InvocationTargetException] >> null:java.lang.reflect.InvocationTargetException >> [2011-5-5 9:1:43 EDT] <WorkerThread0> >> com.webobjects.foundation.NSForwardException >> [java.lang.reflect.InvocationTargetException] >> null:java.lang.reflect.InvocationTargetException >> at >> com.webobjects.foundation._NSUtilities._explainInstantiationException(_NSUtilities.java:626) >> at >> com.webobjects.foundation._NSUtilities.instantiateObject(_NSUtilities.java:646) >> at >> com.webobjects.appserver._private.WOComponentDefinition._componentInstanceInContext(WOComponentDefinition.java:544) >> at >> com.webobjects.appserver._private.WOComponentDefinition.componentInstanceInContext(WOComponentDefinition.java:642) >> at >> com.webobjects.appserver.WOApplication.pageWithName(WOApplication.java:2332) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:284) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:332) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442) >> at >> com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687) >> at >> er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1984) >> at >> er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1949) >> at >> com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144) >> at >> com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226) >> at java.lang.Thread.run(Thread.java:680) >> Caused by: java.lang.reflect.InvocationTargetException >> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) >> at >> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) >> at >> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) >> at java.lang.reflect.Constructor.newInstance(Constructor.java:513) >> at >> com.webobjects.foundation._NSUtilities.instantiateObject(_NSUtilities.java:640) >> ... 13 more >> Caused by: java.lang.OutOfMemoryError: Java heap space >> at java.util.LinkedList.toArray(LinkedList.java:863) >> at java.util.ArrayList.<init>(ArrayList.java:131) >> at org.jabsorb.serializer.FixUp.<init>(FixUp.java:57) >> at >> org.jabsorb.serializer.SerializerState.addFixUp(SerializerState.java:74) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:371) >> at >> org.jabsorb.serializer.impl.ArraySerializer.marshall(ArraySerializer.java:298) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.ArraySerializer.marshall(ArraySerializer.java:298) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.ArraySerializer.marshall(ArraySerializer.java:298) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.ArraySerializer.marshall(ArraySerializer.java:298) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.ArraySerializer.marshall(ArraySerializer.java:298) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.ArraySerializer.marshall(ArraySerializer.java:298) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> >> WARN [NSLog] Ran out of memory, killing this instance >> FATAL [er.extensions.appserver.ERXApplication] Ran out of memory, killing >> this instance >> FATAL [er.extensions.appserver.ERXApplication] Ran out of memory, killing >> this instance >> java.lang.OutOfMemoryError: Java heap space >> at java.util.LinkedList.toArray(LinkedList.java:863) >> at java.util.ArrayList.<init>(ArrayList.java:131) >> at org.jabsorb.serializer.FixUp.<init>(FixUp.java:57) >> at >> org.jabsorb.serializer.SerializerState.addFixUp(SerializerState.java:74) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:371) >> at >> org.jabsorb.serializer.impl.ArraySerializer.marshall(ArraySerializer.java:298) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.ArraySerializer.marshall(ArraySerializer.java:298) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.ArraySerializer.marshall(ArraySerializer.java:298) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.ArraySerializer.marshall(ArraySerializer.java:298) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.ArraySerializer.marshall(ArraySerializer.java:298) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.ArraySerializer.marshall(ArraySerializer.java:298) >> at org.jabsorb.JSONSerializer.marshall(JSONSerializer.java:385) >> at >> org.jabsorb.serializer.impl.BeanSerializer.marshall(BeanSerializer.java:235) >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list ([email protected]) >> Help/Unsubscribe/Update your Subscription: >> http://lists.apple.com/mailman/options/webobjects-dev/mschrag%40pobox.com >> >> This email sent to [email protected] > _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [email protected]
