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Key: CMP-938
Type: Bug Bug
Status: Open Open
Priority: Minor Minor
Assignee: Shay Banon
Reporter: Robert Egglestone
Votes: 0
Watchers: 0


Terracotta TCNonPortableObjectError for org.apache.lucene.index.Term

Created: 18/Aug/10 05:56 PM   Updated: 18/Aug/10 05:56 PM
Component/s: Compass::Needle
Affects Version/s: 2.2.0 GA
Fix Version/s: None

Environment: Compass 2.2.0, Lucene 2.4.1, Terracotta 3.3.0

 Description  « Hide
We received the following non-portable object exception while using Compass with Terracotta.
I believe it occurred when doing a delete by query using CompassSession.delete(CompassQuery)

2010-08-19 09:31:43,196 [btpool0-200] ERROR - Exception thrown
Attempt to share an instance of a non-portable class referenced by a portable class. This
unshareable class has not been included for sharing in the configuration.

For more information on this issue, please visit our Troubleshooting Guide at:

Referring class : [Lorg.apache.lucene.index.Term;
Thread : btpool0-200
JVM ID : VM(4)
Non-included class: org.apache.lucene.index.Term

Under most circumstances, you should only be adding classes for your
application. If you are adding classes for frameworks or code not written by
you, then you should consider finding a Terracotta Integration Module (TIM)
that matches the framework you are using.

As an example, if the non-portable class listed below is
net.sf.ehcache.CacheManager, you should consider using the ehcache TIM.

It is also possible that some or all of the classes above are truly
non-portable, the solution is then to mark the referring field as transient.
For more information on non-portable classes see the Troubleshooting Guide.

Action to take:

1) Reconfigure to include the unshareable classes

  • edit your tc-config.xml file
  • locate the <dso> element
  • add this snippet inside the <dso> element


  • if there is already an <instrumented-classes> element present, simply add
    the new includes inside it


The object graph was:

Dumping object graph of non-portable instance of type Lines that start with !! are non-portable types. (id 0)
     List jobs = (ArrayList, id 1)
       [0] = (, id 2) query = (, id 3)
           float boost = 1.0
           String field = "nameType"
           ArrayList positions = (id 4)
             [0] = 0
             [1] = 1
           int slop = 0
           ArrayList termArrays = (id 5)
             [0] = (org.apache.lucene.index.Term[], id 6)
!!             [0] = (org.apache.lucene.index.Term, id 7)
                 String field = "nameType"
                 String text = "JNT"
!!             [1] = (org.apache.lucene.index.Term, id 8)
                 String field = "nameType"
                 String text = "joint"
             [1] = (org.apache.lucene.index.Term[], id 9)
!!             [0] = (org.apache.lucene.index.Term, id 10)
                 String field = "nameType"
                 String text = "NM"
!!             [1] = (org.apache.lucene.index.Term, id 11)
                 String field = "nameType"
                 String text = "name"
         String subIndex = "identity_20"
     Set subIndexes = (HashSet, id 12)
       [0] = "identity_20"

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