Hi all,
I'm getting a mysterious exception with JBoss 2.4.1a and a fairly simple CMP bean.
The bean is called "User" and references the "Users" table in an Oracle server.
The code that causes the exception looks like this:
UserHome uhome = (UserHome)PortableRemoteObject.narrow (ref, UserHome.class);
User User1 = uhome.findByPrimaryKey(new Long(1));
System.out.println(User1.getPassword());
The exception is thrown when getPassword() is called. This should return a String,
and the corresponding column in the table is of type VARCHAR2(10).
Below is the stack trace:
[J2EE Deployer Default] J2EE application:
file:/opt/JBoss-2.4.1_Tomcat-3.2.3/jboss/deploy/VLBeans.jar is deployed.
[JAWS] Exists command executing: SELECT COUNT(*) FROM USERS WHERE objid=?
[JAWS] Set parameter: idx=1, jdbcType=BIGINT, value=1
[EntityLockInterceptor] Begin invoke, key=1
[User] Activated bean User with id = 1
[EntityInstanceInterceptor] Begin invoke, key=1
[EntitySynchronizationInterceptor] invoke called for ctx
org.jboss.ejb.EntityEnterpriseContext@e344b02, tx=TransactionImpl:XidImpl
[FormatId=257, GlobalId=catamount.ultracode.com//1, BranchQual=]
[JAWS] Load command executing: SELECT
USERS.objid,USERS.user_priv_type,USERS.user_id,USERS.password,USERS.first_name,USERS.privilage_allowed,USERS.state,USERS.account_id,USERS.phone,USERS.audio_priv,USERS.qa,USERS.street,USERS.street2,USERS.phoneretrievalpin,USERS.login_allowed,USERS.email,USERS.country,USERS.user_num,USERS.city,USERS.last_name,USERS.zip,USERS.priority,USERS.middle_name,USERS.fax,USERS.phone_lines,USERS.title
FROM USERS WHERE objid=?
[JAWS] Set parameter: idx=1, jdbcType=BIGINT, value=1
[EntitySynchronizationInterceptor] loadEntity Exception, clear tx for
ctx=org.jboss.ejb.EntityEnterpriseContext@e344b02, tx=TransactionImpl:XidImpl
[FormatId=257, GlobalId=catamount.ultracode.com//1, BranchQual=]
[EntityInstanceInterceptor] Ending invoke, exceptionThrown,
ctx=org.jboss.ejb.EntityEnterpriseContext@e344b02
[EntityInstanceInterceptor] End invoke, key=1,
ctx=org.jboss.ejb.EntityEnterpriseContext@e344b02
[EntityLockInterceptor] End invoke, key=1
[User] TRANSACTION ROLLBACK EXCEPTION:Load failed; nested exception is:
java.lang.NullPointerException; nested exception is:
java.rmi.ServerException: Load failed; nested exception is:
java.lang.NullPointerException
[User] java.rmi.ServerException: Load failed; nested exception is:
[User] java.lang.NullPointerException
[User] java.lang.NullPointerException
[User] at java.lang.reflect.Field.set(Native Method)
[User] at
org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand.setCMPFieldValue(JDBCCommand.java:655)
[User] at
org.jboss.ejb.plugins.jaws.jdbc.JDBCLoadEntityCommand.loadOneEntity(JDBCLoadEntityCommand.java:217)
[User] at
org.jboss.ejb.plugins.jaws.jdbc.JDBCLoadEntityCommand.handleResult(JDBCLoadEntityCommand.java:176)
[User] at
org.jboss.ejb.plugins.jaws.jdbc.JDBCQueryCommand.executeStatementAndHandleResult(JDBCQueryCommand.java:59)
[User] at
org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand.jdbcExecute(JDBCCommand.java:160)
[User] at
org.jboss.ejb.plugins.jaws.jdbc.JDBCLoadEntityCommand.execute(JDBCLoadEntityCommand.java:147)
[User] at
org.jboss.ejb.plugins.jaws.JAWSPersistenceManager.loadEntity(JAWSPersistenceManager.java:156)
[User] at
org.jboss.ejb.plugins.CMPPersistenceManager.loadEntity(CMPPersistenceManager.java:362)
[User] at
org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invoke(EntitySynchronizationInterceptor.java:286)
[User] at
org.jboss.ejb.plugins.EntityInstanceInterceptor.invoke(EntityInstanceInterceptor.java:208)
[User] at
org.jboss.ejb.plugins.EntityLockInterceptor.invoke(EntityLockInterceptor.java:136)
[User] at org.jboss.ejb.plugins.TxInterceptorCMT.invokeNext(TxInterceptorCMT.java:133)
[User] at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:307)
[User] at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:99)
[User] at
org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:128)
[User] at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:195)
[User] at org.jboss.ejb.EntityContainer.invoke(EntityContainer.java:427)
[User] at
org.jboss.ejb.plugins.jrmp.server.JRMPContainerInvoker.invoke(JRMPContainerInvoker.java:393)
[User] at java.lang.reflect.Method.invoke(Native Method)
[User] at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:242)
[User] at sun.rmi.transport.Transport$1.run(Transport.java:155)
[User] at java.security.AccessController.doPrivileged(Native Method)
[User] at sun.rmi.transport.Transport.serviceCall(Transport.java:152)
[User] at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:462)
I was wondering if this might have something to do with there being no VARCHAR2
mapping in standardjaws.xml?
Eric Anderson
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