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Date: Tue, 19 Oct 2010 08:34:27 -0400 (EDT)
From: "Robert Muir (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Subject: [jira] Assigned: (SOLR-1794) Dataimport of CLOB fields fails when
 getCharacterStream() is defined in a superclass
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     [ https://issues.apache.org/jira/browse/SOLR-1794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Muir reassigned SOLR-1794:
---------------------------------

    Assignee: Robert Muir

> Dataimport of CLOB fields fails when getCharacterStream() is defined in a superclass
> ------------------------------------------------------------------------------------
>
>                 Key: SOLR-1794
>                 URL: https://issues.apache.org/jira/browse/SOLR-1794
>             Project: Solr
>          Issue Type: Bug
>          Components: contrib - DataImportHandler
>    Affects Versions: 1.4
>         Environment: Oracle WebLogic 10.3.2
>            Reporter: Gunnar Gauslaa Bergem
>            Assignee: Robert Muir
>             Fix For: 3.1, 4.0
>
>         Attachments: FieldReaderDataSource.java, SOLR-1794.patch
>
>
> When running Solr on WebLogic application server 10.3.2, the dataimport for CLOB fields are failing. Line 109 in FieldReaderDataSource.java illustrates the problem:
> Method m = clob.getClass().getDeclaredMethod("getCharacterStream");
> Since getDeclaredMethod instead of getMethod is used, the getCharacterStream() method will not be found if it is defined in a superclass of clob. This is exactly what
> happens in e.g. WebLogic 10.3.2, since the object returned is a dynamically created wrapper class called Clob_oracle_sql_CLOB. This class does not define
> getCharacterStream(), but it inherits from another class that does. This problem will also occur in other places where getDeclaredMethod used in conjunction with the CLOB
> or BLOB datatypes.
> Stacktrace:
> org.apache.solr.handler.dataimport.DataImportHandlerException: Unable to get reader from clob Processing Document # 1
>         at org.apache.solr.handler.dataimport.DataImportHandlerException.wrapAndThrow(DataImportHandlerException.java:72)
>         at org.apache.solr.handler.dataimport.FieldReaderDataSource.readCharStream(FieldReaderDataSource.java:118)
>         at org.apache.solr.handler.dataimport.ClobTransformer.readFromClob(ClobTransformer.java:69)
>         at org.apache.solr.handler.dataimport.ClobTransformer.transformRow(ClobTransformer.java:61)
>         at org.apache.solr.handler.dataimport.EntityProcessorWrapper.applyTransformer(EntityProcessorWrapper.java:195)
>         at org.apache.solr.handler.dataimport.EntityProcessorWrapper.nextRow(EntityProcessorWrapper.java:241)
>         at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:357)
>         at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:383)
>         at org.apache.solr.handler.dataimport.DocBuilder.doFullDump(DocBuilder.java:242)
>         at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:180)
>         at org.apache.solr.handler.dataimport.DataImporter.doFullImport(DataImporter.java:331)
>         at org.apache.solr.handler.dataimport.DataImporter.runCmd(DataImporter.java:389)
>         at org.apache.solr.handler.dataimport.DataImporter$1.run(DataImporter.java:370)
> Caused by: java.lang.NoSuchMethodException: weblogic.jdbc.wrapper.Clob_oracle_sql_CLOB.getCharacterStream()
>         at java.lang.Class.getDeclaredMethod(Class.java:1937)
>         at org.apache.solr.handler.dataimport.FieldReaderDataSource.readCharStream(FieldReaderDataSource.java:109)
>         ... 11 more

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