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From "Ali Syed (JIRA)" <j...@apache.org>
Subject [jira] Created: (SOLR-1191) NullPointerException in delta import
Date Wed, 27 May 2009 19:17:45 GMT
NullPointerException in delta import
------------------------------------

                 Key: SOLR-1191
                 URL: https://issues.apache.org/jira/browse/SOLR-1191
             Project: Solr
          Issue Type: Bug
          Components: contrib - DataImportHandler
    Affects Versions: 1.3, 1.4
         Environment: OS: Windows & Linux.
Java: 1.6
DB: MySQL & SQL Server 
            Reporter: Ali Syed


Seeing few of these NullPointerException during delta imports. Once this happens delta import
stops working and keeps giving the same error.
java.lang.NullPointerException
        at org.apache.solr.handler.dataimport.DocBuilder.collectDelta(DocBuilder.java:622)
        at org.apache.solr.handler.dataimport.DocBuilder.doDelta(DocBuilder.java:240)
        at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:159)
        at org.apache.solr.handler.dataimport.DataImporter.doDeltaImport(DataImporter.java:337)
        at org.apache.solr.handler.dataimport.DataImporter.runCmd(DataImporter.java:376)
        at org.apache.solr.handler.dataimport.DataImporter$1.run(DataImporter.java:355)

Running delta import for a particular entity fixes the problem and delta import start working
again.

Here is the log just before & after the exception
05/27 11:59:29 86987686 INFO  btpool0-538 org.apache.solr.core.SolrCore  - [localhost] webapp=/solr
path=/dataimport params={command=delta-import&optimize=false} status=0 QTime=0
05/27 11:59:29 86987687 INFO  Thread-4162 org.apache.solr.handler.dataimport.SolrWriter  -
Read dataimport.properties
05/27 11:59:29 86987687 INFO  Thread-4162 org.apache.solr.handler.dataimport.DataImporter
 - Starting Delta Import
05/27 11:59:29 86987687 INFO  Thread-4162 org.apache.solr.handler.dataimport.SolrWriter  -
Read dataimport.properties
05/27 11:59:29 86987687 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Starting delta collection.
05/27 11:59:29 86987690 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Running ModifiedRowKey() for Entity: content
05/27 11:59:29 86987690 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed ModifiedRowKey for Entity: content rows obtained : 0
05/27 11:59:29 86987690 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed DeletedRowKey for Entity: content rows obtained : 0
05/27 11:59:29 86987692 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed parentDeltaQuery for Entity: content
05/27 11:59:29 86987692 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Running ModifiedRowKey() for Entity: job
05/27 11:59:29 86987692 INFO  Thread-4162 org.apache.solr.handler.dataimport.JdbcDataSource
 - Creating a connection for entity job with URL: jdbc:sqlserver://localhost;databaseName=TestDB
05/27 11:59:29 86987704 INFO  Thread-4162 org.apache.solr.handler.dataimport.JdbcDataSource
 - Time taken for getConnection(): 12
05/27 11:59:29 86987707 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed ModifiedRowKey for Entity: job rows obtained : 0
05/27 11:59:29 86987707 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed DeletedRowKey for Entity: job rows obtained : 0
05/27 11:59:29 86987707 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed parentDeltaQuery for Entity: job
05/27 11:59:29 86987707 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Delta Import completed successfully
05/27 11:59:29 86987707 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Starting delta collection.
05/27 11:59:29 86987709 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Running ModifiedRowKey() for Entity: user
05/27 11:59:29 86987709 INFO  Thread-4162 org.apache.solr.handler.dataimport.JdbcDataSource
 - Creating a connection for entity user with URL: jdbc:sqlserver://localhost;databaseName=TestDB
05/27 11:59:29 86987716 INFO  Thread-4162 org.apache.solr.handler.dataimport.JdbcDataSource
 - Time taken for getConnection(): 7
05/27 11:59:29 86987873 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed ModifiedRowKey for Entity: user rows obtained : 46
05/27 11:59:29 86987873 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed DeletedRowKey for Entity: user rows obtained : 0
05/27 11:59:29 86987873 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed parentDeltaQuery for Entity: user
05/27 11:59:29 86987882 INFO  Thread-4162 org.apache.solr.core.SolrCore  - SolrDeletionPolicy.onInit:
commits:num=1
        commit{dir=/usr/share/solr/work/localhost/data/index,segFN=segments_m0,version=1242658668035,generation=792,filenames=[_wv.fdt,
_vf.prx, _z2.frq, _z5.frq, _z2.tis, _wv.fdx, _z6.nrm, _z3.tis, segments_
m0, _uh_1.del, _uj.fnm, _yd.fnm, _yz.fdt, _wa.fnm, _ui.prx, _yz.tis, _z0.nrm, _z7.fdt, _vf_6.del,
_cy.fnm, _z5.nrm, _yz.fdx, _cy.tii, _z6.fdx, _uh.prx, _z6.fdt, _z7.fdx, _ui.nrm, _uh.fnm,
_yz.tii, _uu.fdt, _x
g.fnm, _z3.fdt, _uu.fdx, _z3.fdx, _z3_1.del, _wa.tis, _uj.tis, _ui.frq, _wa.tii, _z0.frq,
_wv.nrm, _cy.tis, _xr.prx, _z3.tii, _z4.prx, _z7.prx, _xr.fdt, _z4.fdt, _xr.fdx, _z4.fdx,
_uh.nrm, _y2.frq, _y2_1.del,
 _uj.tii, _z2.tii, _z2.nrm, _yo.prx, _z5.fnm, _y2.prx, _uu.nrm, _z0_1.del, _cy.prx, _yd.frq,
_yo.fnm, _cy.nrm, _z0.fdx, _xg.tis, _z0.fdt, _z2_1.del, _xg.tii, _cy.frq, _xg.frq, _yd.prx,
_z7.tis, _z0.tis, _z7.t
ii, _yd.nrm, _vf.fnm, _z6.frq, _z2.fdx, _ui.fnm, _z5.tis, _z6_1.del, _z5.tii, _z1.fdt, _z0.tii,
_z5_1.del, _uu.tis, _uu.tii, _z1.prx, _z1.fdx, _z6.tii, _y2.fnm, _xr.frq, _z4.frq, _z2.fdt,
_z6.tis, _vf.frq, _y
o.frq, _uj.fdx, _wv.fnm, _cy.fdt, _z6.prx, _xr.tis, _z4.tis, _yz.fnm, _uu.fnm, _z2.prx, _yo.tii,
_z0.prx, _yd_1.del, _z1.frq, _yo.tis, _z7.nrm, _z5.prx, _yd.fdx, _yz.nrm, _cy.fdx, _yd.fdt,
_wa_6.del, _z3.prx,
 _uj_h.del, _ui_e.del, _z7.fnm, _z3.fnm, _uu.prx, _uh.tii, _z6.fnm, _xg.prx, _xg.fdx, _xg.nrm,
_wv.prx, _xg.fdt, _uu_b.del, _xr.nrm, _z4.nrm, _uj.prx, _xr.fnm, _z4.fnm, _uj.nrm, _yz_2.del,
_uh.fdx, _vf.fdt, _
uh.fdt, _yo.nrm, _xr.tii, _z4.tii, _vf.fdx, _uh.tis, _uj.fdt, _uj.frq, _yo.fdx, _wa.fdt, _ui.fdt,
_z1.tii, _xg_1.del, _wa.fdx, _ui.fdx, _yz.frq, _ui.tii, _z5.fdt, _z5.fdx, _wv.frq, _wa.nrm,
_yd.tii, _yd.tis,
_yo_2.del, _y2.tii, _uu.frq, _cy_jd.del, _uh.frq, _y2.tis, _z1_1.del, _wa.prx, _z1.fnm, _ui.tis,
_z2.fnm, _wa.frq, _wv.tii, _z0.fnm, _y2.fdx, _y2.fdt, _z7.frq, _wv.tis, _z3.frq, _y2.nrm,
_yz.prx, _xr_2.del, _
z1.nrm, _vf.tis, _vf.tii, _vf.nrm, _z3.nrm, _z1.tis, _yo.fdt]
05/27 11:59:29 86987882 INFO  Thread-4162 org.apache.solr.core.SolrCore  - last commit = 1242658668035
05/27 11:59:29 86987944 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Delta Import completed successfully
05/27 11:59:29 86987944 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Starting delta collection.
05/27 11:59:29 86987946 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Running ModifiedRowKey() for Entity: candidateContent
05/27 11:59:29 86987946 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed ModifiedRowKey for Entity: candidateContent rows obtained : 0
05/27 11:59:29 86987946 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed DeletedRowKey for Entity: candidateContent rows obtained : 0
05/27 11:59:29 86987948 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed parentDeltaQuery for Entity: candidateContent
05/27 11:59:29 86987950 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Running ModifiedRowKey() for Entity: candidateMessage
05/27 11:59:29 86987950 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed ModifiedRowKey for Entity: candidateMessage rows obtained : 0
05/27 11:59:29 86987950 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed DeletedRowKey for Entity: candidateMessage rows obtained : 0
05/27 11:59:29 86987950 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed parentDeltaQuery for Entity: candidateMessage
05/27 11:59:29 86987952 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Running ModifiedRowKey() for Entity: candidateCustom
05/27 11:59:29 86987953 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed ModifiedRowKey for Entity: candidateCustom rows obtained : 0
05/27 11:59:29 86987953 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed DeletedRowKey for Entity: candidateCustom rows obtained : 0
05/27 11:59:29 86987953 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Completed parentDeltaQuery for Entity: candidateCustom
05/27 11:59:29 86987953 INFO  Thread-4162 org.apache.solr.handler.dataimport.DocBuilder  -
Running ModifiedRowKey() for Entity: candidate
05/27 11:59:29 86987953 INFO  Thread-4162 org.apache.solr.handler.dataimport.JdbcDataSource
 - Creating a connection for entity candidate with URL: jdbc:sqlserver://localhost;databaseName=TestDB
05/27 11:59:29 86987960 INFO  Thread-4162 org.apache.solr.handler.dataimport.JdbcDataSource
 - Time taken for getConnection(): 7
05/27 11:59:29 86988066 ERROR Thread-4162 org.apache.solr.handler.dataimport.DataImporter
 - Delta Import Failed
java.lang.NullPointerException
        at org.apache.solr.handler.dataimport.DocBuilder.collectDelta(DocBuilder.java:622)
        at org.apache.solr.handler.dataimport.DocBuilder.doDelta(DocBuilder.java:240)
        at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:159)
        at org.apache.solr.handler.dataimport.DataImporter.doDeltaImport(DataImporter.java:337)
        at org.apache.solr.handler.dataimport.DataImporter.runCmd(DataImporter.java:376)
        at org.apache.solr.handler.dataimport.DataImporter$1.run(DataImporter.java:355)
05/27 11:59:29 86988066 INFO  Thread-4162 org.apache.solr.update.UpdateHandler  - start rollback
05/27 11:59:29 86988071 INFO  Thread-4162 org.apache.solr.update.UpdateHandler  - end_rollback




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