Rafael Brizola created SOLR-6505:
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Summary: UnsupportedClassVersionError 51.0 when using Solr 4.7.2
and DataImportHandler
Key: SOLR-6505
URL: https://issues.apache.org/jira/browse/SOLR-6505
Project: Solr
Issue Type: Bug
Affects Versions: 4.7.2
Environment: RHEL5, java version "1.6.0_24"
Reporter: Rafael Brizola
Hi. We are restrict to use java 6 in our servers. When I start Solr 4.7.2, it
starts without any problem. However, when I configure the DataImportHandler in
solrconfig.xml I got the error:
... 10 more
Caused by: java.lang.UnsupportedClassVersionError:
org/apache/solr/handler/dataimport/DataImportHandler : Unsupported major.minor
version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:627)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at
org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:454)
at
org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:401)
at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:531)
at org.apache.solr.core.SolrCore.createRequestHandler(SolrCore.java:604)
at
org.apache.solr.core.RequestHandlers.initHandlersFromConfig(RequestHandlers.java:153)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:774)
... 13 more
In the solr documentation page
(http://archive.apache.org/dist/lucene/solr/4.7.2/changes/Changes.html) is
written that it works with java 6.
Thanks.
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