Hello there,
I am trying to configure OJB with Sun One App Server 7. My code is working fine
in java class but when i try to execute this code from JSP I get this error,
seems some class initialization/lookup problem
java.lang.ExceptionInInitializerError
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
java.lang.Class.forName0(Native Method)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
java.lang.Class.forName(Class.java:219)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.ojb.broker.util.ClassHelper.getClass(ClassHelper.java:101)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.ojb.broker.util.ClassHelper.getClass(ClassHelper.java:254)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.ojb.broker.util.configuration.impl.ConfigurationAbstractImpl.getClass
(ConfigurationAbstractImpl.java:325)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.ojb.broker.util.configuration.impl.ConfigurationAbstractImpl.getClass
(ConfigurationAbstractImpl.java:401)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.ojb.broker.core.PersistenceBrokerFactoryFactory.init
(PersistenceBrokerFactoryFactory.java:54)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.ojb.broker.core.PersistenceBrokerFactoryFactory.<clinit>
(PersistenceBrokerFactoryFactory.java:36)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.ojb.broker.PersistenceBrokerFactory.defaultPersistenceBroker
(PersistenceBrokerFactory.java:65)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
_jasper._testOJB_jsp._jspService(_testOJB_jsp.java:75)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
com.iplanet.ias.web.jsp.JspServlet$JspServletWrapper.service
(JspServlet.java:552)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
com.iplanet.ias.web.jsp.JspServlet.serviceJspFile(JspServlet.java:368)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
com.iplanet.ias.web.jsp.JspServlet.service(JspServlet.java:287)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.catalina.core.StandardWrapperValve.invokeServletService
(StandardWrapperValve.java:720)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.catalina.core.StandardWrapperValve.access$000
(StandardWrapperValve.java:118)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.catalina.core.StandardWrapperValve$1.run
(StandardWrapperValve.java:278)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
java.security.AccessController.doPrivileged(Native Method)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:274)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:212)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:203)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
com.iplanet.ias.web.connector.nsapi.NSAPIProcessor.process
(NSAPIProcessor.java:158)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
com.iplanet.ias.web.WebContainer.service(WebContainer.java:598)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: Caused by:
java.lang.NullPointerException
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.ojb.broker.util.logging.LoggerFactoryImpl.getLogger
(LoggerFactoryImpl.java:163)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.ojb.broker.util.logging.LoggerFactory.getLogger
(LoggerFactory.java:64)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: at
org.apache.ojb.broker.core.PersistenceBrokerFactoryBaseImpl.<clinit>
(PersistenceBrokerFactoryBaseImpl.java:45)
[12/Dec/2004:09:10:53] WARNING ( 3504): CORE3283: stderr: ... 28 more
* This is my JSP Code:
<%@ page language="java"
import="java.util.*,org.apache.ojb.broker.*,org.apache.ojb.broker.query.*
,ae.gov.dm.bpcs.vo.*" %>
<%
try{
out.println("testOJB Starts........<BR>");
ContractorWorkType cwt[] = null;
Criteria crit1 = new Criteria();
QueryByCriteria query = new QueryByCriteria(ContractorWorkType.class,
null,true);
query.addOrderByAscending("id");
PersistenceBroker broker = PersistenceBrokerFactory.defaultPersistenceBroker();
Collection collection = broker.getCollectionByQuery(query);
Vector vec = new Vector(collection);
if(vec.size()>0)
{
cwt = new ContractorWorkType[vec.size()];
cwt = (ContractorWorkType[])vec.toArray(cwt);
}
if(cwt!=null)
for(int i=0;i<cwt.length;i++){
out.println("<BR>ID = "+ cwt[i].getId() );
}else
out.println("<BR>No Record Found");
out.println("<BR>testOJB ends..");
}
catch(Throwable e){
out.println("<BR>Exception test3.jsp.." + e.getMessage());
e.printStackTrace();
}
%>
I have placed required OJB files as under, same stuff is working with Java
Class.
* WEB-INF\classes
OJB.properties
repository.xml
repository_database.xml
repository_internal.xml
repository_user.xml
repository.dtd
* WEB-INF\lib
commons-collections-2.1.1.jar
commons-dbcp-1.1.jar
commons-lang-2.0.jar
commons-pool-1.1.jar
db-ojb-1.0.1.jar
log4j-1.2.8.jar
Thanks in advance
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