BTW, I did try to use the one from net.sf.json, but look like I would have to create processors for NSArray and other stuff. Should I use the serializer from net.sf.json?
> actually .. yeah … your version might be slightly more tedious to use … maybe > new impl coming. > > ms > > On May 5, 2011, at 10:10 AM, Pascal Robert wrote: > >> 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]
