Bugs item #588451, was opened at 2002-07-30 11:13
You can respond by visiting:
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Category: JBossCMP
Group: CVS HEAD
Status: Open
Resolution: None
Priority: 5
Submitted By: Richard Vigniel (rvigniel)
Assigned to: Nobody/Anonymous (nobody)
Summary: hotdeploy, CMP and classloader problem
Initial Comment:
there are problems while redeploying EJBs with custom
types.
here is an example:
my EJB:
public
abstract class TestEJB implements javax.ejb.EntityBean
{
...
public abstract java.lang.Integer getId();
public
abstract void setId(java.lang.Integer id);
public abstract
CustomData getData();
public abstract void
setData(CustomData data);
...
}
my class
CustomData:
public class CustomData implements
java.io.Serializable {
private String name;
private
byte[] rawdata;
...
}
I create an EJB instance, which
is correctly stored and read.
then I redeploy (hot deploy) my
application, without any change and without restarting the jboss
server.
when I try to get an EJB, I get the following
errors:
2002-07-29 12:13:37,498 DEBUG
[org.jboss.ejb.plugins.cmp.jdbc.JDBCLoadEntityCommand.Test]
Executing SQL: SELECT data FROM test WHERE
(id=?)
2002-07-29 12:13:37,526 WARN
[org.jboss.jetty.Jetty] WARNING: Servlet Exception for
/admin/testCustom.jsp
java.lang.reflect.UndeclaredThrowableException
at
$Proxy172.getId(Unknown Source)
at
org.apache.jsp.testCustom$jsp._jspService(testCustom$jsp.java:70)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:201)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381)
at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:371)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:613)
at
org.mortbay.http.HttpContext.handle(HttpContext.java:1387)
at
org.mortbay.jetty.servlet.FilterHandler$Chain.doFilter(FilterHandler.java:368)
at
org.mortbay.jetty.servlet.FilterHandler.handle(FilterHandler.java:228)
at
org.mortbay.http.HttpContext.handle(HttpContext.java:1387)
at
org.mortbay.http.HttpContext.handle(HttpContext.java:1326)
at
org.mortbay.http.HttpServer.service(HttpServer.java:757)
at
org.jboss.jetty.Jetty.service(Jetty.java:528)
at
org.mortbay.http.HttpConnection.service(HttpConnection.java:741)
at
org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:914)
at
org.mortbay.http.HttpConnection.handle(HttpConnection.java:756)
at
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:151)
at
org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:287)
at
org.mortbay.util.ThreadPool$JobRunner.run(ThreadPool.java:715)
at
java.lang.Thread.run(Thread.java:536)
Caused by:
java.rmi.ServerException: Internal error getting results for field
member data; CausedByException is:
Got a
test.CustomData: 'test.CustomData@5268d7' while looking for
a test.CustomData; nested exception
is:
javax.ejb.EJBException: Internal error getting results for
field member data; CausedByException is:
Got a
test.CustomData: 'test.CustomData@5268d7' while looking for
a test.CustomData
at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:119)
at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:176)
at
org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:61)
at
org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:129)
at
org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:183)
at
org.jboss.ejb.EntityContainer.invoke(EntityContainer.java:493)
at
org.jboss.ejb.plugins.local.BaseLocalContainerInvoker.invoke(BaseLocalContainerInvoker.java:296)
at
org.jboss.ejb.plugins.local.EntityProxy.invoke(EntityProxy.java:38)
...
24 more
Caused by: javax.ejb.EJBException: Internal error
getting results for field member data; CausedByException
is:
Got a test.CustomData: 'test.CustomData@5268d7'
while looking for a test.CustomData
at
org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCAbstractCMPFieldBridge.loadArgumentResults(JDBCAbstractCMPFieldBridge.java:360)
at
org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCAbstractCMPFieldBridge.loadInstanceResults(JDBCAbstractCMPFieldBridge.java:304)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCLoadEntityCommand.execute(JDBCLoadEntityCommand.java:142)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCLoadEntityCommand.execute(JDBCLoadEntityCommand.java:62)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.loadEntity(JDBCStoreManager.java:572)
at
org.jboss.ejb.plugins.CMPPersistenceManager.loadEntity(CMPPersistenceManager.java:410)
at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.loadEntity(CachedConnectionInterceptor.java:353)
at
org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invoke(EntitySynchronizationInterceptor.java:262)
at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
at
org.jboss.ejb.plugins.EntityInstanceInterceptor.invoke(EntityInstanceInterceptor.java:152)
at
org.jboss.ejb.plugins.EntityLockInterceptor.invoke(EntityLockInterceptor.java:107)
at
org.jboss.ejb.plugins.EntityCreationInterceptor.invoke(EntityCreationInterceptor.java:69)
at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:96)
...
31 more
if I restart the jboss server, everything is ok, I
can get my EJBs without any problem.
the line
"Got a
test.CustomData: 'test.CustomData@5268d7' while looking for
a test.CustomData;"
make me think this may be a
classloader problem, there may be two instances of the class
"test.CustomData" in two different classloaders.
i'm
using jboss3.0.1RC1 with jdk1.4.0-b92 on linux
RH7.3
I tried with current cvs HEAD revision, I get the
same kind of errors with more details:
2002-07-29
14:11:19,680 ERROR [org.jboss.ejb.plugins.LogInterceptor]
EJBException, causedBy:
java.sql.SQLException: Got a
test.CustomData: 'test.CustomData@b5ac2c' while looking for
a test.CustomData
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCUtil.coerceToJavaType(JDBCUtil.java:457)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCUtil.getResult(JDBCUtil.java:327)
at
org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCAbstractCMPFieldBridge.loadArgumentResults(JDBCAbstractCMPFieldBridge.java:350)
at
org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCAbstractCMPFieldBridge.loadInstanceResults(JDBCAbstractCMPFieldBridge.java:304)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCLoadEntityCommand.execute(JDBCLoadEntityCommand.java:142)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCLoadEntityCommand.execute(JDBCLoadEntityCommand.java:62)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.loadEntity(JDBCStoreManager.java:572)
at
org.jboss.ejb.plugins.CMPPersistenceManager.loadEntity(CMPPersistenceManager.java:410)
at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.loadEntity(CachedConnectionInterceptor.java:353)
at
org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invoke(EntitySynchronizationInterceptor.java:262)
at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
at
org.jboss.ejb.plugins.EntityInstanceInterceptor.invoke(EntityInstanceInterceptor.java:152)
at
org.jboss.ejb.plugins.EntityLockInterceptor.invoke(EntityLockInterceptor.java:107)
at
org.jboss.ejb.plugins.EntityCreationInterceptor.invoke(EntityCreationInterceptor.java:69)
at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:108)
at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:179)
at
org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:61)
at
org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:130)
at
org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:204)
at
org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:154)
at
org.jboss.ejb.EntityContainer.invoke(EntityContainer.java:481)
at
org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:351)
at
org.jboss.ejb.plugins.local.EntityProxy.invoke(EntityProxy.java:38)
at
$Proxy36.getId(Unknown Source)
at
org.apache.jsp.testCustom$jsp._jspService(testCustom$jsp.java:70)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:201)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381)
at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:348)
at
org.mortbay.jetty.servlet.WebApplicationHandler.handle(WebApplicationHandler.java:312)
at
org.mortbay.http.HttpContext.handle(HttpContext.java:1572)
at
org.mortbay.http.HttpContext.handle(HttpContext.java:1512)
at
org.mortbay.http.HttpServer.service(HttpServer.java:792)
at
org.jboss.jetty.Jetty.service(Jetty.java:531)
at
org.mortbay.http.HttpConnection.service(HttpConnection.java:784)
at
org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:941)
at
org.mortbay.http.HttpConnection.handle(HttpConnection.java:799)
at
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:182)
at
org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:322)
at
org.mortbay.util.ThreadPool$JobRunner.run(ThreadPool.java:713)
at
java.lang.Thread.run(Thread.java:536)
2002-07-29
14:11:19,704 WARN [org.jboss.jbossweb] WARNING:
Exception for
/testCustom/testCustom.jsp
javax.ejb.EJBException:
Internal error getting results for field member data;
CausedByException is:
Got a test.CustomData:
'test.CustomData@b5ac2c' while looking for a
test.CustomData
at
org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCAbstractCMPFieldBridge.loadArgumentResults(JDBCAbstractCMPFieldBridge.java:360)
at
org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCAbstractCMPFieldBridge.loadInstanceResults(JDBCAbstractCMPFieldBridge.java:304)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCLoadEntityCommand.execute(JDBCLoadEntityCommand.java:142)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCLoadEntityCommand.execute(JDBCLoadEntityCommand.java:62)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.loadEntity(JDBCStoreManager.java:572)
at
org.jboss.ejb.plugins.CMPPersistenceManager.loadEntity(CMPPersistenceManager.java:410)
at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.loadEntity(CachedConnectionInterceptor.java:353)
at
org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invoke(EntitySynchronizationInterceptor.java:262)
at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
at
org.jboss.ejb.plugins.EntityInstanceInterceptor.invoke(EntityInstanceInterceptor.java:152)
at
org.jboss.ejb.plugins.EntityLockInterceptor.invoke(EntityLockInterceptor.java:107)
at
org.jboss.ejb.plugins.EntityCreationInterceptor.invoke(EntityCreationInterceptor.java:69)
at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:108)
at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:179)
at
org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:61)
at
org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:130)
at
org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:204)
at
org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:154)
at
org.jboss.ejb.EntityContainer.invoke(EntityContainer.java:481)
at
org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:351)
at
org.jboss.ejb.plugins.local.EntityProxy.invoke(EntityProxy.java:38)
at
$Proxy36.getId(Unknown Source)
at
org.apache.jsp.testCustom$jsp._jspService(testCustom$jsp.java:70)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:201)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381)
at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:348)
at
org.mortbay.jetty.servlet.WebApplicationHandler.handle(WebApplicationHandler.java:312)
at
org.mortbay.http.HttpContext.handle(HttpContext.java:1572)
at
org.mortbay.http.HttpContext.handle(HttpContext.java:1512)
at
org.mortbay.http.HttpServer.service(HttpServer.java:792)
at
org.jboss.jetty.Jetty.service(Jetty.java:531)
at
org.mortbay.http.HttpConnection.service(HttpConnection.java:784)
at
org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:941)
at
org.mortbay.http.HttpConnection.handle(HttpConnection.java:799)
at
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:182)
at
org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:322)
at
org.mortbay.util.ThreadPool$JobRunner.run(ThreadPool.java:713)
at
java.lang.Thread.run(Thread.java:536)
java.sql.SQLException:
Got a test.CustomData: 'test.CustomData@b5ac2c' while
looking for a test.CustomData
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCUtil.coerceToJavaType(JDBCUtil.java:457)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCUtil.getResult(JDBCUtil.java:327)
at
org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCAbstractCMPFieldBridge.loadArgumentResults(JDBCAbstractCMPFieldBridge.java:350)
at
org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCAbstractCMPFieldBridge.loadInstanceResults(JDBCAbstractCMPFieldBridge.java:304)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCLoadEntityCommand.execute(JDBCLoadEntityCommand.java:142)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCLoadEntityCommand.execute(JDBCLoadEntityCommand.java:62)
at
org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.loadEntity(JDBCStoreManager.java:572)
at
org.jboss.ejb.plugins.CMPPersistenceManager.loadEntity(CMPPersistenceManager.java:410)
at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.loadEntity(CachedConnectionInterceptor.java:353)
at
org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invoke(EntitySynchronizationInterceptor.java:262)
at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
at
org.jboss.ejb.plugins.EntityInstanceInterceptor.invoke(EntityInstanceInterceptor.java:152)
at
org.jboss.ejb.plugins.EntityLockInterceptor.invoke(EntityLockInterceptor.java:107)
at
org.jboss.ejb.plugins.EntityCreationInterceptor.invoke(EntityCreationInterceptor.java:69)
at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:108)
at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:179)
at
org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:61)
at
org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:130)
at
org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:204)
at
org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:154)
at
org.jboss.ejb.EntityContainer.invoke(EntityContainer.java:481)
at
org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:351)
at
org.jboss.ejb.plugins.local.EntityProxy.invoke(EntityProxy.java:38)
at
$Proxy36.getId(Unknown Source)
at
org.apache.jsp.testCustom$jsp._jspService(testCustom$jsp.java:70)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:201)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381)
at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:348)
at
org.mortbay.jetty.servlet.WebApplicationHandler.handle(WebApplicationHandler.java:312)
at
org.mortbay.http.HttpContext.handle(HttpContext.java:1572)
at
org.mortbay.http.HttpContext.handle(HttpContext.java:1512)
at
org.mortbay.http.HttpServer.service(HttpServer.java:792)
at
org.jboss.jetty.Jetty.service(Jetty.java:531)
at
org.mortbay.http.HttpConnection.service(HttpConnection.java:784)
at
org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:941)
at
org.mortbay.http.HttpConnection.handle(HttpConnection.java:799)
at
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:182)
at
org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:322)
at
org.mortbay.util.ThreadPool$JobRunner.run(ThreadPool.java:713)
at
java.lang.Thread.run(Thread.java:536)
you can find a
example in the application file attached:
1- deploy the
application
2- exectute the jsp file
/testCustom/testCustom.jsp. this will create a new ejb. if the ejb
already exists, the jsp just show the ejb content
3- redeploy the
application (with a 'touch testCustom.ear' for example)
4-
execute the jsp. you will get the error
5- restart jboss server and
execute jsp, now everything is ok...
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