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https://issues.apache.org/jira/browse/SOLR-6188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14732490#comment-14732490
]
Shawn Heisey commented on SOLR-6188:
------------------------------------
I figured out why it loads solrhome/lib twice.
Looking at current branch_5x code, line 143 in SolrResourceLoader.java does
this:
{code}
addToClassLoader("./lib/", null, true);
{code}
At the same time, the sharedLibDirectory field in the NodeConfig class defaults
to "lib" (set in the NodeConfigBuilder class), and CoreContainer#load() looks
like this:
{code}
/**
* Load the cores defined for this CoreContainer
*/
public void load() {
log.info("Loading cores into CoreContainer [instanceDir={}]",
loader.getInstanceDir());
// add the sharedLib to the shared resource loader before initializing cfg
based plugins
String libDir = cfg.getSharedLibDirectory();
if (libDir != null) {
File f = FileUtils.resolvePath(new File(solrHome), libDir);
log.info("loading shared library: " + f.getAbsolutePath());
loader.addToClassLoader(libDir, null, false);
loader.reloadLuceneSPI();
}
{code}
Which of these should we keep? My bias (chosen without really thinking about
any possible deeper implications) is to remove the one line from
SolrResourceLoader.java. This would cause it to only use sharedLib, which the
user should be able to override in solr.xml.
> solr.ICUFoldingFilterFactory causes NoClassDefFoundError:
> o/a/l/a/icu/ICUFoldingFilter
> --------------------------------------------------------------------------------------
>
> Key: SOLR-6188
> URL: https://issues.apache.org/jira/browse/SOLR-6188
> Project: Solr
> Issue Type: Bug
> Components: Schema and Analysis
> Affects Versions: 4.8.1
> Reporter: Ahmet Arslan
> Labels: ICUFoldingFilterFactory
> Fix For: 4.10
>
>
> When fully qualified class name is used in schema.xml
> {{org.apache.lucene.analysis.icu.ICUFoldingFilterFactory}}
> it works. However as documented in confluence and wiki, when
> {{solr.ICUFoldingFilterFactory}} is used it throws following exception.
> This is true for both released 4.8.1 version and trunk r1604168
> following type works :
> {code:xml}
> <fieldType name="folded2" class="solr.TextField">
> <analyzer>
> <tokenizer class="solr.StandardTokenizerFactory"/>
> <filter
> class="org.apache.lucene.analysis.icu.ICUFoldingFilterFactory"/>
> </analyzer>
> </fieldType>
> {code}
> this does not :
> {code:xml}
> <fieldType name="folded" class="solr.TextField">
> <analyzer>
> <tokenizer class="solr.StandardTokenizerFactory"/>
> <filter class="solr.ICUFoldingFilterFactory"/>
> </analyzer>
> </fieldType>
> {code}
> {noformat}
> 257 [main] ERROR org.apache.solr.core.SolrCore – Error loading
> core:java.util.concurrent.ExecutionException: java.lang.NoClassDefFoundError:
> org/apache/lucene/analysis/icu/ICUFoldingFilter
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.util.concurrent.FutureTask.get(FutureTask.java:188)
> at org.apache.solr.core.CoreContainer.load(CoreContainer.java:301)
> at
> org.apache.solr.servlet.SolrDispatchFilter.createCoreContainer(SolrDispatchFilter.java:190)
> at
> org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:137)
> at org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:119)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
> at
> org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:719)
> at
> org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:265)
> at
> org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1252)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:710)
> at
> org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:494)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
> at
> org.eclipse.jetty.deploy.bindings.StandardStarter.processBinding(StandardStarter.java:39)
> at
> org.eclipse.jetty.deploy.AppLifeCycle.runBindings(AppLifeCycle.java:186)
> at
> org.eclipse.jetty.deploy.DeploymentManager.requestAppGoal(DeploymentManager.java:494)
> at
> org.eclipse.jetty.deploy.DeploymentManager.addApp(DeploymentManager.java:141)
> at
> org.eclipse.jetty.deploy.providers.ScanningAppProvider.fileAdded(ScanningAppProvider.java:145)
> at
> org.eclipse.jetty.deploy.providers.ScanningAppProvider$1.fileAdded(ScanningAppProvider.java:56)
> at org.eclipse.jetty.util.Scanner.reportAddition(Scanner.java:609)
> at org.eclipse.jetty.util.Scanner.reportDifferences(Scanner.java:540)
> at org.eclipse.jetty.util.Scanner.scan(Scanner.java:403)
> at org.eclipse.jetty.util.Scanner.doStart(Scanner.java:337)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
> at
> org.eclipse.jetty.deploy.providers.ScanningAppProvider.doStart(ScanningAppProvider.java:121)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
> at
> org.eclipse.jetty.deploy.DeploymentManager.startAppProvider(DeploymentManager.java:555)
> at
> org.eclipse.jetty.deploy.DeploymentManager.doStart(DeploymentManager.java:230)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
> at
> org.eclipse.jetty.util.component.AggregateLifeCycle.doStart(AggregateLifeCycle.java:81)
> at
> org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:96)
> at org.eclipse.jetty.server.Server.doStart(Server.java:280)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
> at
> org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1259)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:1182)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.eclipse.jetty.start.Main.invokeMain(Main.java:473)
> at org.eclipse.jetty.start.Main.start(Main.java:615)
> at org.eclipse.jetty.start.Main.main(Main.java:96)
> Caused by: java.lang.NoClassDefFoundError:
> org/apache/lucene/analysis/icu/ICUFoldingFilter
> at java.lang.Class.getDeclaredConstructors0(Native Method)
> at java.lang.Class.privateGetDeclaredConstructors(Class.java:2493)
> at java.lang.Class.getConstructor0(Class.java:2803)
> at java.lang.Class.getConstructor(Class.java:1718)
> at
> org.apache.solr.core.SolrResourceLoader.newInstance(SolrResourceLoader.java:602)
> at
> org.apache.solr.schema.FieldTypePluginLoader$3.create(FieldTypePluginLoader.java:382)
> at
> org.apache.solr.schema.FieldTypePluginLoader$3.create(FieldTypePluginLoader.java:376)
> at
> org.apache.solr.util.plugin.AbstractPluginLoader.load(AbstractPluginLoader.java:151)
> at
> org.apache.solr.schema.FieldTypePluginLoader.readAnalyzer(FieldTypePluginLoader.java:400)
> at
> org.apache.solr.schema.FieldTypePluginLoader.create(FieldTypePluginLoader.java:95)
> at
> org.apache.solr.schema.FieldTypePluginLoader.create(FieldTypePluginLoader.java:43)
> at
> org.apache.solr.util.plugin.AbstractPluginLoader.load(AbstractPluginLoader.java:151)
> at org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:492)
> at org.apache.solr.schema.IndexSchema.<init>(IndexSchema.java:172)
> at
> org.apache.solr.schema.IndexSchemaFactory.create(IndexSchemaFactory.java:55)
> at
> org.apache.solr.schema.IndexSchemaFactory.buildIndexSchema(IndexSchemaFactory.java:69)
> at
> org.apache.solr.core.ConfigSetService.createIndexSchema(ConfigSetService.java:89)
> at
> org.apache.solr.core.ConfigSetService.getConfig(ConfigSetService.java:62)
> at org.apache.solr.core.CoreContainer.create(CoreContainer.java:554)
> at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:261)
> at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:253)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.ClassNotFoundException:
> org.apache.lucene.analysis.icu.ICUFoldingFilter
> 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:789)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
> ... 27 more
> {noformat}
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