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Posted to dev@metamodel.apache.org by "Dennis Du Krøger (JIRA)" <ji...@apache.org> on 2016/05/13 18:51:12 UTC

[jira] [Commented] (METAMODEL-241) Deserializing legacy objects fails on some JREs

    [ https://issues.apache.org/jira/browse/METAMODEL-241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15283001#comment-15283001 ] 

Dennis Du Krøger commented on METAMODEL-241:
--------------------------------------------

It seems to stem from this change from last summer: http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/7c1d34773aa6

It's OpenJDK, so it probably didn't show up in an Oracle release until a little later.

Search for "Unexpected call when not initialized".

> Deserializing legacy objects fails on some JREs
> -----------------------------------------------
>
>                 Key: METAMODEL-241
>                 URL: https://issues.apache.org/jira/browse/METAMODEL-241
>             Project: Apache MetaModel
>          Issue Type: Bug
>    Affects Versions: 4.5.2
>         Environment: Windows 7
> JDK 1.8.0_77
> Happens both via command line build and test runs in eclipse
>            Reporter: Kasper Sørensen
>
> I just got myself a new laptop and installed a new development environment. For some reason there seems to be a change in the JRE that causes legacy object deserialization to fail with the following causes:
> The failing test is {code}
> java.io.InvalidClassException: cannot bind enum descriptor to a non-enum class
> 	at java.io.ObjectStreamClass.initNonProxy(Unknown Source)
> 	at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
> 	at java.io.ObjectInputStream.readClassDesc(Unknown Source)
> 	at java.io.ObjectInputStream.readEnum(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at java.util.ArrayList.readObject(Unknown Source)
> 	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 java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at org.apache.metamodel.util.LegacyDeserializationObjectInputStreamTest.testCreateSerializeAndDeserializeOldSchemaAndQuery(LegacyDeserializationObjectInputStreamTest.java:67)
> 	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 junit.framework.TestCase.runTest(TestCase.java:176)
> 	at junit.framework.TestCase.runBare(TestCase.java:141)
> ...
> {code}
> and underlying I found that in LegacyDeserializationObjectInputStream.isEnumExpected(...) we run into this problem which causes the rest of the deserialization to go wrong:
> {code}
> 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 org.apache.metamodel.util.LegacyDeserializationObjectInputStream.isEnumExpected(LegacyDeserializationObjectInputStream.java:257)
> 	at org.apache.metamodel.util.LegacyDeserializationObjectInputStream.readClassDescriptor(LegacyDeserializationObjectInputStream.java:231)
> 	at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
> 	at java.io.ObjectInputStream.readClassDesc(Unknown Source)
> 	at java.io.ObjectInputStream.readEnum(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at java.util.ArrayList.readObject(Unknown Source)
> 	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 java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at org.apache.metamodel.util.LegacyDeserializationObjectInputStreamTest.testCreateSerializeAndDeserializeOldSchemaAndQuery(LegacyDeserializationObjectInputStreamTest.java:67)
> 	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 junit.framework.TestCase.runTest(TestCase.java:176)
> 	at junit.framework.TestCase.runBare(TestCase.java:141)
> ...
> Caused by: java.lang.InternalError: Unexpected call when not initialized
> 	at java.io.ObjectStreamClass.requireInitialized(Unknown Source)
> 	at java.io.ObjectStreamClass.isEnum(Unknown Source)
> 	... 53 more
> {code}



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