I'm trying to implement a trivial finder method.
My attribute is a String called sampleString.
Here is my Home interface:
public interface SampleDocumentHome extends DocumentHome
{
public SampleDocument create(String id) throws RemoteException,
CreateException;
public SampleDocument findByPrimaryKey(String id) throws RemoteException,
FinderException;
public SampleDocument findBySampleString(String sampleString) throws
RemoteException, FinderException;
} // end SampleDocumentHome
I did nothing to the deployment descriptors - aren't attribute
finders supposed to work without adjusting these?
Here is the exception the client throws:
---------------
[administrator@TDRURY1 src]$ java -classpath
"e:/dev/netvendor/classes;c:/usr/l
ocal/jboss-20000816/jboss/dist/lib/ext/ejb.jar;c:/usr/local/jboss-20000816/j
bos
s/dist/client/jboss-client.jar" com.netvendor.doc.SampleDocumentClient get
hell
o6
java.naming.provider.url=192.168.1.102:1099
HomeProxy:findBySampleString
javax.ejb.FinderException: Find failed
at
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(Stream
RemoteCall.java:245)
at
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:
220)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:122)
at
org.jboss.ejb.plugins.jrmp.server.JRMPContainerInvoker_Stub.invokeHom
e(Unknown Source)
at
org.jboss.ejb.plugins.jrmp.interfaces.HomeProxy.invoke(HomeProxy.java
:228)
at $Proxy0.findBySampleString(Unknown Source)
at
com.netvendor.doc.SampleDocumentClient.main(SampleDocumentClient.java
:89)
-------------------
jBoss is running on a remote client (192.168.1.102). If I search on
the Primary Key, everything works fine. But my finder fails.
Since cutting and pasting from the Linux server to my NT box sucks,
here is a hand typed exception dump from the server (some of it):
[JAWS] findBySampleString SQL: SELECT id FROM SampleDocumentBean WHERE
sampleString=?
[JAWS] findBySampleString command executing: SELECT id FROM
SampleDocumentBean
WHERE sampleString=?
[JAWS] java.lang.NullPointerException
[JAWS] at
org.jboss.ejb.plugins.jaws.jdbc.JDBCFindByCommand.setParameters(JDBCFindByCo
mmand.java:110)
....
I'm using the default Hypersonic database. I'm using a build out of CVS
from today (8/16/2000). Thanks for any help.
-tim drury
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