I'm getting the following exception when trying to implement simple DAS CRUD
operations.
Exception in thread "main" java.lang.RuntimeException: Unable to obtain
table information from JDBC. DAS configuration must specify
ResultDescriptors
at
org.apache.tuscany.das.rdb.graphbuilder.impl.ResultMetadata.<init>(ResultMet
adata.java:81)
at
org.apache.tuscany.das.rdb.graphbuilder.impl.GraphBuilderMetadata.<init>(Gra
phBuilderMetadata.java:69)
at
org.apache.tuscany.das.rdb.impl.ReadCommandImpl.buildGraph(ReadCommandImpl.j
ava:295)
at
org.apache.tuscany.das.rdb.impl.ReadCommandImpl.executeQuery(ReadCommandImpl
.java:277)
at ContactDASTest.getContacts(ContactDASTest.java:22)
at ContactDASTest.printContacts(ContactDASTest.java:28)
at ContactDASTest.main(ContactDASTest.java:41)
Given the following config. I tried following the Company example and their
config.
I'm unsure what a ResultDescriptor is and why I would need one, but the
Company example does not.
As a side note, my table is all strings stored in nvarchar columns. Is that
part of the issue?
It also does not have a primary key at the moment, but I'm not sure why that
would be a problem.
<Config xmlns="http:///org.apache.tuscany.das.rdb/config.xsd";>
<!--ConnectionInfo dataSource="java:comp/env/jdbc/dastest"/-->
<ConnectionInfo>
<ConnectionProperties
driverClass="com.microsoft.sqlserver.jdbc.SQLServerDriver"
databaseURL="jdbc:sqlserver://*;databasename=*"
userName="*"
password="*"
loginTimeout="600"/>
</ConnectionInfo>
<Command name="all contacts" SQL="select * from CONTACTS"
kind="Select"/>
<Table tableName="CONTACTS">
</Table>
</Config>
-Jason Clark
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