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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-9184" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-7a8adbc5-0dd4-4295-9249-000030b11df6" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9184" style="color: #3b73af; text-decoration: none">HHH-9184</a>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-9184" style="color: #3b73af; text-decoration: none">The session factory is serialized when using composite-id</a> </span>
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Issue Type:
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Affects Versions:
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4.2.12, 4.3.5, 3.6.10
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Unassigned
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Attachments:
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testcase.zip
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Components:
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core
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Created:
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14/May/14 6:12 AM
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Environment:
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Win7 64bit, JDK 1.7.0_51, MySQL 5.5
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Priority:
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Reporter:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="olavmb" id="email_olavmb" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=olavmb" style="color:#6c797f;; color: #3b73af; text-decoration: none">Olav Mork Bjørnås</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">It seems that when using composite-id for a class (EmbeddedComponentType), the session factory is serialized together with data read from the database. This causes a problem when the data is transported from an application server to a client, as the session factory cannot (and shouldn't) be restored on the client. The result is an InvalidObjectException, see below.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The attached test case recreates the problem by reading instances from the database and storing them in serialized form. Another test method reads the serialized data, and fails with an InvalidObjectException. Two separate test runs are needed (one for writing the serialized data, and one for reading), to ensure that the previously used session factory isn't available when reading the serialized data.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The class MyOrder uses a composite-id, and is one-to-many associated with the OrderLine class which is the one loaded from the database in the test case.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">With older versions of Hibernate (like 3.5.5) the test passes, probably because old versions was able to restore the session factory on the client.</p>
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<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
java.io.InvalidObjectException: Could not find a SessionFactory [uuid=12758cfe-1277-43aa-b784-bac5915b3486,name=<span class="code-keyword" style="color: #000091">null</span>]
at org.hibernate.internal.SessionFactoryImpl.locateSessionFactoryOnDeserialization(SessionFactoryImpl.java:1781)
at org.hibernate.internal.SessionFactoryImpl.readResolve(SessionFactoryImpl.java:1761)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at java.io.ObjectStreamClass.invokeReadResolve(ObjectStreamClass.java:1104)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1807)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
at java.util.ArrayList.readObject(ArrayList.java:771)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
at y.domain.TestOrderLine.testRead(TestOrderLine.java:29)
</pre>
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