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Munendra S N commented on SOLR-8076: ------------------------------------ Can this be closed?? > SEVERE: Unable to load Transformer: foo.FieldTransformer > -------------------------------------------------------- > > Key: SOLR-8076 > URL: https://issues.apache.org/jira/browse/SOLR-8076 > Project: Solr > Issue Type: Bug > Environment: Solr Version :- 4.2.1.2013.03.26.08.26.55/Jetty > OS : -Ubuntu > Reporter: lijo > Priority: Major > Original Estimate: 504h > Remaining Estimate: 504h > > While creating an custom transformer for data importer ,I am getting the > following error. I made a custom jar and placed it in solr/lib and put it in > dist/ folder also.But both times it is giving the error. > I can see the jar is loading when solr started as follows. > Sep 20, 2015 8:59:47 PM org.apache.solr.core.SolrResourceLoader > replaceClassLoader > INFO: Adding 'file:/var/www/solr/example/solr/lib/foo.jar' to classloader > Error is :- > SEVERE: Unable to load Transformer: foo.FieldTransformer > java.lang.ClassNotFoundException: Unable to load foo.FieldTransformer or > org.apache.solr.handler.dataimport.foo.FieldTransformer > at > org.apache.solr.handler.dataimport.DocBuilder.loadClass(DocBuilder.java:911) > at > org.apache.solr.handler.dataimport.EntityProcessorWrapper.loadTransformers(EntityProcessorWrapper.java:107) > at > org.apache.solr.handler.dataimport.EntityProcessorWrapper.applyTransformer(EntityProcessorWrapper.java:168) > at > org.apache.solr.handler.dataimport.EntityProcessorWrapper.nextRow(EntityProcessorWrapper.java:256) > at > org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:465) > at > org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:404) > at > org.apache.solr.handler.dataimport.DocBuilder.doFullDump(DocBuilder.java:319) > at > org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:227) > at > org.apache.solr.handler.dataimport.DataImporter.doFullImport(DataImporter.java:422) > at > org.apache.solr.handler.dataimport.DataImporter.runCmd(DataImporter.java:487) > at > org.apache.solr.handler.dataimport.DataImporter$1.run(DataImporter.java:468) > Caused by: org.apache.solr.common.SolrException: Error loading class > 'foo.FieldTransformer' > at > org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:440) > at > org.apache.solr.handler.dataimport.DocBuilder.loadClass(DocBuilder.java:901) > ... 10 more > Caused by: java.lang.ClassNotFoundException: foo.FieldTransformer > at java.net.URLClassLoader$1.run(URLClassLoader.java:366) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:354) > at java.lang.ClassLoader.loadClass(ClassLoader.java:425) > at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:793) > at java.lang.ClassLoader.loadClass(ClassLoader.java:358) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:274) > at > org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:424) > ... 11 more > I made changes in data-config file as follows. > <entity name="products" transformer="foo.FieldTransformer" query = "select > .....'"> > My java file contains the following code. > package foo; > import java.util.Map; > public class FieldTransformer { > public Object transformRow(Map<String, Object> row) { > row.put("field_"+row.get("third_price"), row.get("id")); > return row; > } > } > and jar contains the following folder structure. > foo/FieldTransformer.class > META-INF/MANIFEST.MF > What is the issue? -- This message was sent by Atlassian JIRA (v7.6.14#76016) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org