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https://issues.apache.org/jira/browse/SOLR-7771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14621609#comment-14621609
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Shawn Heisey commented on SOLR-7771:
------------------------------------
This is the first part of the solr log during the startup with the errors:
{noformat}
INFO - 2015-07-10 02:11:12.626; [ ] org.eclipse.jetty.util.log.Log; Logging
initialized @216ms
INFO - 2015-07-10 02:11:12.745; [ ] org.eclipse.jetty.server.Server;
jetty-9.2.10.v20150310
WARN - 2015-07-10 02:11:12.756; [ ]
org.eclipse.jetty.server.handler.RequestLogHandler; !RequestLog
INFO - 2015-07-10 02:11:12.757; [ ]
org.eclipse.jetty.deploy.providers.ScanningAppProvider; Deployment monitor
[file:/C:/Users/elyograg/Downloads/solr-5.2.1/server/contexts/] at interval 0
INFO - 2015-07-10 02:11:13.219; [ ]
org.eclipse.jetty.webapp.StandardDescriptorProcessor; NO JSP Support for /solr,
did not find org.apache.jasper.servlet.JspServlet
WARN - 2015-07-10 02:11:13.237; [ ]
org.eclipse.jetty.security.ConstraintSecurityHandler;
[email protected]@457e2f02{/solr,file:/C:/Users/elyograg/Downloads/solr-5.2.1/server/solr-webapp/webapp/,STARTING}{/solr.war}
has uncovered http methods for path: /
INFO - 2015-07-10 02:11:13.258; [ ]
org.apache.solr.servlet.SolrDispatchFilter;
SolrDispatchFilter.init()WebAppClassLoader=1582797472@5e5792a0
INFO - 2015-07-10 02:11:13.268; [ ] org.apache.solr.core.SolrResourceLoader;
JNDI not configured for solr (NoInitialContextEx)
INFO - 2015-07-10 02:11:13.269; [ ] org.apache.solr.core.SolrResourceLoader;
using system property solr.solr.home:
C:\Users\elyograg\Downloads\solr-5.2.1\server\solr
INFO - 2015-07-10 02:11:13.269; [ ] org.apache.solr.core.SolrResourceLoader;
new SolrResourceLoader for directory:
'C:\Users\elyograg\Downloads\solr-5.2.1\server\solr\'
INFO - 2015-07-10 02:11:13.270; [ ] org.apache.solr.core.SolrResourceLoader;
Adding
'file:/C:/Users/elyograg/Downloads/solr-5.2.1/server/solr/lib/icu4j-54.1.jar'
to classloader
INFO - 2015-07-10 02:11:13.271; [ ] org.apache.solr.core.SolrResourceLoader;
Adding
'file:/C:/Users/elyograg/Downloads/solr-5.2.1/server/solr/lib/lucene-analyzers-icu-5.2.1.jar'
to classloader
INFO - 2015-07-10 02:11:13.381; [ ] org.apache.solr.core.SolrXmlConfig;
Loading container configuration from
C:\Users\elyograg\Downloads\solr-5.2.1\server\solr\solr.xml
INFO - 2015-07-10 02:11:13.431; [ ]
org.apache.solr.core.CorePropertiesLocator; Config-defined core root directory:
C:\Users\elyograg\Downloads\solr-5.2.1\server\solr
INFO - 2015-07-10 02:11:13.447; [ ] org.apache.solr.core.CoreContainer; New
CoreContainer 1362728240
INFO - 2015-07-10 02:11:13.448; [ ] org.apache.solr.core.CoreContainer;
Loading cores into CoreContainer
[instanceDir=C:\Users\elyograg\Downloads\solr-5.2.1\server\solr\]
INFO - 2015-07-10 02:11:13.449; [ ] org.apache.solr.core.CoreContainer;
loading shared library: C:\Users\elyograg\Downloads\solr-5.2.1\server\solr\lib
INFO - 2015-07-10 02:11:13.449; [ ] org.apache.solr.core.SolrResourceLoader;
Adding
'file:/C:/Users/elyograg/Downloads/solr-5.2.1/server/solr/lib/icu4j-54.1.jar'
to classloader
INFO - 2015-07-10 02:11:13.450; [ ] org.apache.solr.core.SolrResourceLoader;
Adding
'file:/C:/Users/elyograg/Downloads/solr-5.2.1/server/solr/lib/lucene-analyzers-icu-5.2.1.jar'
to classloader
{noformat}
In it you can see the two jars being loaded twice, both times from the newly
created lib directory.
> Classloader problem with "solr.XXX" class names and jars in SOLR_HOME/lib
> -------------------------------------------------------------------------
>
> Key: SOLR-7771
> URL: https://issues.apache.org/jira/browse/SOLR-7771
> Project: Solr
> Issue Type: Bug
> Affects Versions: 5.2.1
> Environment: C:\Users\elyograg\Downloads\solr-5.2.1>java -version
> java version "1.8.0_45"
> Java(TM) SE Runtime Environment (build 1.8.0_45-b14)
> Java HotSpot(TM) 64-Bit Server VM (build 25.45-b02, mixed mode)
> Reporter: Shawn Heisey
>
> Jars placed in SOLR_HOME/lib seem to be loaded twice, which causes problems
> trying to use solr.XXXXXX class names in schema.xml.
> If the full class name is used, it works.
> Steps to recreate on an extracted Solr 5.2.1 download. This was done on
> Windows, so I used backslashes as path separators:
> {noformat}
> bin\solr start
> bin\solr create -c foo -d sample_techproducts_configs
> bin\solr stop -all
> {noformat}
> Add the following to server\foo\conf\schema.xml, just before the </schema>
> end tag:
> {noformat}
> <fieldType name="icu_test" class="solr.TextField">
> <analyzer>
> <tokenizer class="solr.ICUTokenizerFactory"/>
> </analyzer>
> </fieldType>
> {noformat}
> Create a new directory -- server\solr\lib.
> Copy icu4j-54.1.jar and lucene-analyzers-icu-5.2.1.jar from
> contrib\analysis-extras to server\solr\lib.
> {noformat}
> bin\solr start
> {noformat}
> Note an exception in the logging tab:
> java.lang.NoClassDefFoundError:
> org/apache/lucene/analysis/icu/segmentation/ICUTokenizer
> At this point, if the class name is changed from solr.ICUTokenizerFactory to
> org.apache.lucene.analysis.icu.segmentation.ICUTokenizerFactory and solr is
> stopped and started, then everything is OK.
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