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[Jscheme-user] more web app stuff
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From: <da...@da...> - 2003-02-04 08:16:26
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A number of things to start the week off with.
My web app seems to be working okay now. I ended up using a
function that I do not understand. What is .isDefined ?
It looks like a java method, but it is used without
an instance as an argument.
Also, I am thinking of using sexps as a input format for the
database. I used to do something like this in tcl letting
the tcl parser handle the input for me. Are there tricks
for reading sexps something on the order of
(question "what is the capital of oregon"
(("salem" true)
("portland")
("eugene")))
this should map to xml pretty easilly and later I can build
a gui if it is required.
one more thing.. I started getting these messages in the tomcat logs
after building from CVS.
thanks..
davud
2003-01-30 12:09:29 StandardManager[/exam] Exception loading sessions from persistent storage
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: jsint.DynamicVariable
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1278)
at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1603)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1271)
at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1603)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1271)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1603)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1271)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1357)
at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:852)
at org.apache.catalina.session.StandardManager.load(StandardManager.java:411)
at org.apache.catalina.session.StandardManager.start(StandardManager.java:626)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3496)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
at org.apache.catalina.core.StandardService.start(StandardService.java:497)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2189)
at org.apache.catalina.startup.Catalina.start(Catalina.java:510)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
Caused by: java.io.NotSerializableException: jsint.DynamicVariable
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1054)
at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1224)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1050)
at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1224)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1050)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1330)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1302)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1245)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1052)
at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1224)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1050)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1330)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1302)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1245)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1052)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:278)
at org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:1427)
at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:869)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:507)
at org.apache.catalina.session.StandardManager.stop(StandardManager.java:662)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:3591)
at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:1036)
at org.apache.catalina.core.StandardHostDeployer.remove(StandardHostDeployer.java:420)
at org.apache.catalina.core.StandardHost.remove(StandardHost.java:852)
at org.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:919)
at org.apache.catalina.startup.HostConfig.stop(HostConfig.java:899)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:370)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1221)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1233)
at org.apache.catalina.core.StandardService.stop(StandardService.java:554)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:2224)
at org.apache.catalina.startup.Catalina.start(Catalina.java:541)
... 7 more
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