I won't claim this is a bug in Hessian just yet, but the first thing
to check is any matching exceptions on the server side. Wonder if
that's related to this thread:
http://objectstyle.org/cayenne/lists/cayenne-user/2006/12/0051.html
Andrus
On Dec 8, 2006, at 1:31 AM, Lachlan Deck wrote:
Can anyone shed some light on what "unknown code" means?
Is it a bug in Hessian?
Thanks
org.apache.cayenne.CayenneRuntimeException: [v.3.0-incubating-
SNAPSHOT ] Remote error. URL - <...>; CAUSE - unknown code:?
at org.apache.cayenne.remote.hessian.HessianConnection.doSendMessage
(HessianConnection.java:145)
at org.apache.cayenne.remote.BaseConnection.sendMessage
(BaseConnection.java:73)
at org.apache.cayenne.remote.ClientChannel.send(ClientChannel.java:
276)
at org.apache.cayenne.remote.ClientChannel.onQuery
(ClientChannel.java:110)
at org.apache.cayenne.util.ObjectContextQueryAction.runQuery
(ObjectContextQueryAction.java:282)
at org.apache.cayenne.CayenneContextQueryAction.execute
(CayenneContextQueryAction.java:51)
at org.apache.cayenne.CayenneContext.onQuery(CayenneContext.java:347)
at org.apache.cayenne.CayenneContext.performQuery
(CayenneContext.java:336)
at ish.oncourse.cayenne.CayenneContext.performQuery(Unknown Source)
<...>
Caused by:
com.caucho.hessian.io.HessianProtocolException: unknown code:?
at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1642)
at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:
1143)
at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java)
at com.caucho.hessian.io.HessianInput.readReply(HessianInput.java:285)
at com.caucho.hessian.client.HessianProxy.invoke(HessianProxy.java)
at $Proxy2.processMessage(Unknown Source)
at org.apache.cayenne.remote.hessian.HessianConnection.doSendMessage
(HessianConnection.java:140)
... 31 more
with regards,
--
Lachlan Deck
