Kodo and GLUE

Hi,
We are using Kodo and the mind electric's GLUE 4.1
We are running into a problem with any Kodo-enhanced object with the Date
field. GLUE requires object to have no-argument constructor for SOAP
serialization. And unfortunately Kodoo's
com.solarmetric.kodo.util.ProxyDate object has a protected ProxyDate()
contructor. So GLUE would throws this error while trying to send a
Kodo-enhanced class:
electric.util.WrappedException: java.rmi.UnmarshalException:
java.io.IOException: no argument constructor is missing.
java.lang.IllegalAccessException: Class
electric.xml.io.complex.factories.DefaultFactory can not access a member
of class com.solarmetric.kodo.util.ProxyDate with modifiers ""
     at electric.proxy.handler.Proxy.getCompatibleException(Unknown Source)
     at electric.proxy.handler.Proxy.invoke(Unknown Source)
     at electric.util.proxy.proxy3.InvocationAdaptor.invoke(Unknown Source)
     at $Proxy0.getActivityLogs(Unknown Source)
     at com.bitfone.datastore.doQuery(ActivityLog.java:95)
So for all of my Kodo-enhanced objects with a Date field, my current
workaround is to manually iterate through the Collection returned from
Query and construct a new "transport" object with regular java.util.Date
instead of Kodo's ProxyDate.
Any help would be greatly appreciated,
John

You can extend SimpleProxyManager to do just that and override getDateCopy
and getDateProxy to return a ProxyDate subclass that has a public no-args
constructor:
e.g.
MyDateProxy extends ProxyDate
          public MyDateProxy () { super (System.currentTimeMillis ()); }
http://solarmetric.com/Software/Documentation/2.5.2/docs/ref_guide_conf_kodo.html#com.solarmetric.kodo.ProxyManagerClass
On Sat, 05 Jul 2003 01:21:14 +0000, John Dinh wrote:
Hi,
We are using Kodo and the mind electric's GLUE 4.1
We are running into a problem with any Kodo-enhanced object with the Date
field. GLUE requires object to have no-argument constructor for SOAP
serialization. And unfortunately Kodoo's
com.solarmetric.kodo.util.ProxyDate object has a protected ProxyDate()
contructor. So GLUE would throws this error while trying to send a
Kodo-enhanced class:
electric.util.WrappedException: java.rmi.UnmarshalException:
java.io.IOException: no argument constructor is missing.
java.lang.IllegalAccessException: Class
electric.xml.io.complex.factories.DefaultFactory can not access a member
of class com.solarmetric.kodo.util.ProxyDate with modifiers ""
     at electric.proxy.handler.Proxy.getCompatibleException(Unknown Source) at
     electric.proxy.handler.Proxy.invoke(Unknown Source) at
     electric.util.proxy.proxy3.InvocationAdaptor.invoke(Unknown Source) at
     $Proxy0.getActivityLogs(Unknown Source) at
     com.bitfone.datastore.doQuery(ActivityLog.java:95)
So for all of my Kodo-enhanced objects with a Date field, my current
workaround is to manually iterate through the Collection returned from
Query and construct a new "transport" object with regular java.util.Date
instead of Kodo's ProxyDate.
Any help would be greatly appreciated,
John--
Steve Kim
[email protected]
SolarMetric Inc.
http://www.solarmetric.com

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* Tangosol Coherence(tm): Enterprise Edition is licensed by Tangosol, Inc.
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Performing the following operations after having changed the persistence.xml file solve the problem:
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Czinczenheim wrote:
Hello,
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and i tried to include the RAR in the EAR.
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<field name="children">
<collection element-type="DocumentGroup"/>
<extension vendor-name="kodo" key="inverse-owner" value="parent"/>
<extension vendor-name="kodo" key="jdbc-field-map" value="one-many">
<extension vendor-name="kodo" key="table" value="DOCUMENTGROUP"/>
<extension vendor-name="kodo" key="ref-column.DOCG_ID"
value="DOCG_DOCG_ID"/>
<extension vendor-name="kodo" key="order-column" value="DOCG_INDEX"/>
</extension>
</field>
<field name="parent">
<extension vendor-name="kodo" key="jdbc-field-map" value="one-one">
<extension vendor-name="kodo" key="column.DOCG_ID"
value="DOCG_DOCG_ID"/>
</extension>
</field>
<field name="root">
<extension vendor-name="kodo" key="jdbc-field-map" value="value">
<extension vendor-name="kodo" key="column" value="DOCG_IS_ROOT"/>
</extension>
</field>
<field name="tree">
<extension vendor-name="kodo" key="jdbc-field-map" value="one-one">
<extension vendor-name="kodo" key="column.DOCT_ID"
value="DOCG_DOCT_ID"/>
</extension>
</field>
</class>
Now, if I move a document group several times (by invoking first
removeChild() on the source group and then addChild() on the target
group), the following error occurs:
kodo.util.FatalUserException: Attempt to set column
"DOCUMENTGROUP.DOCG_INDEX" to two different values: "0", "1" This usually
occurs when you map different fields to the same column, but you do not
keep the values of these fields in synch.
at kodo.jdbc.runtime.VRow.setObjectInternal(VRow.java:95)
at kodo.jdbc.sql.AbstractRow.setObject(AbstractRow.java:535)
at kodo.jdbc.sql.AbstractRow.setInt(AbstractRow.java:301)
at
kodo.jdbc.meta.OneToManyFieldMapping.updateInverse(OneToManyFieldMapping.java:364)
at
kodo.jdbc.meta.OneToManyFieldMapping.update(OneToManyFieldMapping.java:299)
at
kodo.jdbc.runtime.UpdateManagerImpl.update(UpdateManagerImpl.java:303)
at
kodo.jdbc.runtime.UpdateManagerImpl.flush(UpdateManagerImpl.java:126)
at
kodo.jdbc.runtime.UpdateManagerImpl.flush(UpdateManagerImpl.java:71)
at
kodo.jdbc.runtime.JDBCStoreManager.flush(JDBCStoreManager.java:503)
at
kodo.runtime.DelegatingStoreManager.flush(DelegatingStoreManager.java:158)
at
kodo.runtime.PersistenceManagerImpl.flushInternal(PersistenceManagerImpl.java:760)
at
kodo.runtime.PersistenceManagerImpl.beforeCompletion(PersistenceManagerImpl.java:639)
at
kodo.runtime.LocalManagedRuntime.commit(LocalManagedRuntime.java:69)
at
kodo.runtime.PersistenceManagerImpl.commit(PersistenceManagerImpl.java:411)
So, is there an error in my mapping configuration?
(I tried to leave out the "inverse-owner", but that does not change the
behaviour.)
Any help to make my tree editable with Kodo 3 would be great...

Abe White wrote:
Is there any way you could send us a test case that reproduces this
problem? Saying you have to move a DocumentGroup "several times" makes
me think it might be best if you sent us a program that shows exactly
what you mean. Just zip up your DocumentGroup class, metadata, mapping,
and a driver program showing the error and send it to
[email protected]
We'd really appreciate it.I sent a program for testing to the mail address above. So I hope you can
reproduce this error.

Integration with Hibernate and KODO

I'm aware that Coherence has some optimisation for distributed queries with indices etc, but are Hibernate/Kodo able to benefit from this? If you have any statistics or white papers covering query performance and optimisation between Hibernate and Kodo I'd be very interested.
     (From Paul Woodward).

Hi Paul,
     At present, Kodo and Hibernate do not have direct support for our distributed query features.
     Note that if you use Coherence as a plug-in to your ORM provider, you still have the option of maintaining separate Coherence caches on which you may use distributed queries.
     Jon Purdy
     Tangosol, Inc.

Recent Kodo versions and WebSphere 4.0

Hi,
we may have to use WebSphere 4.0 with Kodo until the IT infrastructure
department supports the latest version WebSphere 5.0.
Is anyone still developing with Kodo and WebSphere 4.0? Can I use Kodo
2.5 / 3.0 with the 'old' version of WebSphere?
Thanks a lot!
Yours,
Carsten

Carsten-
Our only feedback is that Kodo has not been tested with Websphere
versions before 5.0.
Note that you can always just Kodo directly: the only hiccup might be in
the automatic global transaction synchronization. As long as Websphere
4.0 provides a JTA-compliant TransactionManager, though, you might be
able to solve any problems you see by writing a custom ManagedRuntime
implementation.
I'm sure the rest of the community will be interested in hearing the
results of your tests.
In article <bn38qa$d1i$[email protected]>, Carsten Jahn wrote:
Hi,
we may have to use WebSphere 4.0 with Kodo until the IT infrastructure
department supports the latest version WebSphere 5.0.
Is anyone still developing with Kodo and WebSphere 4.0? Can I use Kodo
2.5 / 3.0 with the 'old' version of WebSphere?
Thanks a lot!
Yours,
Carsten
Marc Prud'hommeaux [email protected]
SolarMetric Inc. http://www.solarmetric.com

Kodo IDE's and Ant

Hi,
I'm just getting started with Kodo and I was wondering if it is possible to
integrate the Kodo system into an IDE, I've noticed that some of the other
JDO vendors have sample ant tasks which one can execute. Is there anything
similar for Kodo?
I am not familiar with Ant or Kodo as yet otherwise I would write my own,
any help would be appreciated. I am using Websphere Studio Site Developer.
Thanks

Sena Gbeckor-Kove wrote:
Hi,
I'm just getting started with Kodo and I was wondering if it is possible to
integrate the Kodo system into an IDE, I've noticed that some of the other
JDO vendors have sample ant tasks which one can execute. Is there anything
similar for Kodo?
I am not familiar with Ant or Kodo as yet otherwise I would write my own,
any help would be appreciated. I am using Websphere Studio Site Developer.
ThanksI use a simple approach:
<path id="build.classpath">
<pathelement location="bin/"/> 
<pathelement
location="${root.dir}/${jdo.dirname}/lib/kodo-jdoee.jar"
/>
<pathelement
location="${root.dir}/${jdo.dirname}/lib/jdo_0_95.jar"
/>

</path>
<target depends="compile" name="enhance">
<java classname="com.solarmetric.kodo.enhance.JDOEnhancer" fork="yes">
<classpath>
<pathelement location="bin/"/>
<path refid="build.classpath"/>
</classpath>
<arg line="src/package.jdo"/>
</java>
</target>
root.dir is wherever you keep your libraries, and jdo.dirname is the
kodo distribution directory below that.
It would be nice to have a task which found all the .jdo files, but as
long as you don't add them very often, this is fine. No9te that this
assumes that you have a compile task which creates the .class files
which are to be enhanced.
I'm not sure if there are any issues using this with WSSD -- I use it
with eclipse 2.
Tom

Long tone on start up and then goes into open firmware

I stumbled upon the older posts here and thought I'd add a solution.
http://discussions.apple.com/thread.jspa?messageID=6115258
It was about an emac starting up with a long tone and the led flashes a few times and then goes into Open firmware, and when doing "mac-boot" in open firmware, it attempts to start, shows the apple symbol, the screen goes dim and crashes.
It could be a bad power switch. To confirm - you can remove the emac case, be careful not to touch the motitor's picture tube. Find the cable to the power switch; with a small wire just touch together the black and red wires on the power switch cable (or it might be red and green). This will start the emac. If it boots up and runs OK then the power switch was bad. Not sure where to buy a new switch. I soldered and glued my switch together.
<Edited by Moderator>

Or, you'll find both the short pigtail-cabled nVidia graphics driven power switch and the version with a longer cable used with the AIT graphics driven models here* for a good deal less.
Note that the later ATI version can actually be used with either product generation.
*I may receive compensation as a result of parts or services being ordered by users specified at the link shown in this message.

Kodo and GLUE

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