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https://issues.apache.org/jira/browse/OPENJPA-318?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Frederic Jeanneau updated OPENJPA-318:
--------------------------------------
Description:
Hello.
I'm still french, so excuse my english one more time.
I have a problem while trying to persist a very simple object, within a web
application.
With a web form I create an object, and then the web app try to persist it.
The EntityManager is loaded for the first object I have to persist, not at the
loading of the server, but only when I first try to persist an object. (For the
other objects, the EntityManager will be loaded yet).
I have just a message with a number and a text.
My Message class is :
@Entity
@Inheritance (strategy = InheritanceType.TABLE_PER_CLASS)
@Table(name = "MESG")
@Id
@Column(name = "NUM_MESG", nullable = false, length = 10)
@Basic
@Column(name = "TXT_MESG", nullable = false, length = 60)
The class is listed in the first Persistence Unit of the persistence.xml, and
the xml file is in the right repertory, with the right properties to connect
the base, and there is a right database access - library. The Entitymanager is
created and can access the base.
The table is created, but when I send an object to the EntityManager, it fails,
because :
Attempt to cast instance "2 [mesobjets.Message]" to PersistenceCapable failed.
Ensure that it has been enhanced.
I tried to launch the server whith -the javaagent argument, but the launching
fail, because :
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(Unknown
Source)
Caused by: java.lang.NoClassDefFoundError:
org/apache/commons/lang/exception/NestableRuntimeException
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at
org.apache.openjpa.enhance.PCEnhancerAgent.premain(PCEnhancerAgent.java:47)
... 5 more
FATAL ERROR in native method: processing of -javaagent failed
Is there a system property to set in order to the server find the openjpa
library to enhance the classes ?
So, if someone know how to auto-enhance on a server, I'm waiting for their
ideas, and i'm still trying to solve the problem. Thanks for your help
was:
Hello.
I'm still french, so excuse my english one more time.
I have a problem while trying to persist a very simple object, within a web
application.
With a web form I create an object, and then the web app try to persist it.
The EntityManager is loaded for the first object I have to persist, not at the
loading of the server, but only when I first try to persist an object. (For the
other objects, the EntityManager will be loaded yet).
I have just a message with a number and a text.
My Message class is :
@Entity
@Inheritance (strategy = InheritanceType.TABLE_PER_CLASS)
@Table(name = "MESG")
@Id
@Column(name = "NUM_MESG", nullable = false, length = 10)
@Basic
@Column(name = "TXT_MESG", nullable = false, length = 60)
The class is listed in the first Persistence Unit of the persistence.xml, and
the xml file is in the right repertory, with the right properties to connect
the base, and there is a right database access - library. The Entitymanager is
created and can access the base.
The table is created, but when I send an object to the EntityManager, it fails,
because :
Attempt to cast instance "2 [mesobjets.Message]" to PersistenceCapable failed.
Ensure that it has been enhanced.
I tried to launch the server whith -the javaagent argument, but the launching
fail, because :
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(Unknown
Source)
Caused by: java.lang.NoClassDefFoundError:
org/apache/commons/lang/exception/NestableRuntimeException
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at
org.apache.openjpa.enhance.PCEnhancerAgent.premain(PCEnhancerAgent.java:47)
... 5 more
FATAL ERROR in native method: processing of -javaagent failed
Is there a system property to define in order to the server find the openjpa
library to enhance the classes ?
So, if someone know how to auto-enhance on a server, I'm waiting for their
ideas, and i'm still trying to solve the problem. Thanks for your help
> Auto-enhancement within a Web Application
> -----------------------------------------
>
> Key: OPENJPA-318
> URL: https://issues.apache.org/jira/browse/OPENJPA-318
> Project: OpenJPA
> Issue Type: Bug
> Components: jdbc, jpa, sql
> Affects Versions: 0.9.7
> Environment: Java JRE 1.5
> OpenJPA 0.9.7
> IDE Eclipse
> Tomcat 5.0
> MySQL 4.1.9 DataBase (EasyPhp 1.8.0.1)
> Reporter: Frederic Jeanneau
>
> Hello.
> I'm still french, so excuse my english one more time.
> I have a problem while trying to persist a very simple object, within a web
> application.
> With a web form I create an object, and then the web app try to persist it.
> The EntityManager is loaded for the first object I have to persist, not at
> the loading of the server, but only when I first try to persist an object.
> (For the other objects, the EntityManager will be loaded yet).
> I have just a message with a number and a text.
> My Message class is :
> @Entity
> @Inheritance (strategy = InheritanceType.TABLE_PER_CLASS)
> @Table(name = "MESG")
> @Id
> @Column(name = "NUM_MESG", nullable = false, length = 10)
> @Basic
> @Column(name = "TXT_MESG", nullable = false, length = 60)
> The class is listed in the first Persistence Unit of the persistence.xml, and
> the xml file is in the right repertory, with the right properties to connect
> the base, and there is a right database access - library. The Entitymanager
> is created and can access the base.
> The table is created, but when I send an object to the EntityManager, it
> fails, because :
> Attempt to cast instance "2 [mesobjets.Message]" to PersistenceCapable
> failed. Ensure that it has been enhanced.
> I tried to launch the server whith -the javaagent argument, but the launching
> fail, because :
> java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(Unknown
> Source)
> Caused by: java.lang.NoClassDefFoundError:
> org/apache/commons/lang/exception/NestableRuntimeException
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClass(Unknown Source)
> at java.security.SecureClassLoader.defineClass(Unknown Source)
> at java.net.URLClassLoader.defineClass(Unknown Source)
> at java.net.URLClassLoader.access$100(Unknown Source)
> at java.net.URLClassLoader$1.run(Unknown Source)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(Unknown Source)
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at java.lang.ClassLoader.loadClassInternal(Unknown Source)
> at
> org.apache.openjpa.enhance.PCEnhancerAgent.premain(PCEnhancerAgent.java:47)
> ... 5 more
> FATAL ERROR in native method: processing of -javaagent failed
> Is there a system property to set in order to the server find the openjpa
> library to enhance the classes ?
> So, if someone know how to auto-enhance on a server, I'm waiting for their
> ideas, and i'm still trying to solve the problem. Thanks for your help
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