[infinispan-issues] [JBoss JIRA] (ISPN-4573) Unable to serialize List<LuceneWork>

[Radim Vansa (JIRA)]

Radim Vansa created ISPN-4573:
---------------------------------

             Summary: Unable to serialize List<LuceneWork>
                 Key: ISPN-4573
                 URL: https://issues.jboss.org/browse/ISPN-4573
             Project: Infinispan
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Embedded Querying
    Affects Versions: 7.0.0.Alpha5
            Reporter: Radim Vansa
            Assignee: Sanne Grinovero


When I try to fill distributed cache with indexing enabled concurrently from multiple threads, I get 
{code}
org.hibernate.search.exception.SearchException: HSEARCH000083: Unable to serialize List<LuceneWork>
        at org.hibernate.search.indexes.serialization.impl.LuceneWorkSerializerImpl.toSerializedModel(LuceneWorkSerializerImpl.java:92)
...
Caused by: java.lang.ArrayIndexOutOfBoundsException: 6
        at java.util.ArrayList.add(ArrayList.java:412)
        at org.hibernate.search.indexes.serialization.avro.impl.AvroSerializer.addFieldWithStringData(AvroSerializer.java:258)
        at org.hibernate.search.indexes.serialization.impl.LuceneWorkSerializerImpl.buildDocument(LuceneWorkSerializerImpl.java:174)
        at org.hibernate.search.indexes.serialization.impl.LuceneWorkSerializerImpl.toSerializedModel(LuceneWorkSerializerImpl.java:80)
{code}

There are multiple different exceptions as cause, but the reason is one: {{AvroSerializer}} is not thead-safe. {{AvroSerializerProvider}} returns always the same instance, and so does {{InfinispanIndexManager}} (or rather {{DirectoryBasedIndexManager}}) return the same instance of {{LuceneWorkSerializerImpl}} wrapping the {{AvroSerializerProvider}}.

This results in failed writes, corrupted data and another fun.



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