Solr DataImportHandler配置 [英] Solr DataImportHandler configuration
本文介绍了Solr DataImportHandler配置的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我想借助DataImportHandler从mysql数据库中获取数据，这样我就可以创建索引了。现在我已经配置了我的Solr实例，以便它可以在Tomcat（示例管理页面）上运行，但是如果我尝试更改sorlconfig.xml文件，我将收到错误消息。我正在使用Solr 3.6
所以我的配置是：
在solrconfig.xml中我添加了：
In solrconfig.xml I added:
<dataDir>${solr.data.dir:/usr/share/tomcat7/solr2}</dataDir>
指定我的工作目录
和那么
<requestHandler name="/dataimport" class="org.apache.solr.handler.dataimport.DataImportHandler">
<lst name="defaults">
<str name="config">/usr/share/tomcat7/solr2/conf/data-config.xml</str>
</lst>
</requestHandler>
指定新请求处理程序。
Theese二是我对DIH的lib指令。我需要更改它们吗？
Theese two are my lib directives for DIH. Do i need to change them?
<lib dir="../../dist/" regex="apache-solr-dataimporthandler-\d.*\.jar" />
<lib dir="../../contrib/dataimporthandler/lib/" regex=".*\.jar" />
我还创建了data-config.xml文件并添加了以下内容：
I also created data-config.xml file and added following:
<?xml version="1.0" encoding="UTF-8"?>
<dataConfig>
<dataSource type="JdbcDataSource"
driver="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/ethicsweb_experts"
user="root"
password=""/>
<document>
<entity name="experts" datasource="mysql" pk="mainid"
query="SELECT experts.mainid as mainid FROM experts WHERE validRec = 'y'">
<field column="mainid" name="mainid"/>
<field column="validRec" name="validRec"/>
</entity>
</document>
我跟着罐子一起喝酒到tomcat / lib文件夹（DIH jar文件和mysql JDBC连接器jar文件）
I've coppied following jars to tomcat/lib folder (DIH jar files and mysql JDBC connector jar file)
apache-solr-dataimporthandler-3.6.0.jar
apache-solr-dataimporthandler-extras-3.6.0.jar
mysql-connector-java-5.1.20-bin.jar
同样在schema.xml文件中，我添加了以下字段：
Also in the schema.xml file i added folowing fields:
<field name="mainid" type="int" indexed="true" stored="true" />
<field name="validRec" type="string" indexed="true" stored="true" />
<field name="recSource" type="string" indexed="true" stored="true" />
<uniqueKey>mainid</uniqueKey>
但是现在当我尝试访问时：
But now when i try to acces:
http://localhost:8080/solr2/
我得到以下输出：
HTTP Status 500 - Severe errors in solr configuration. Check your log files for more detailed information on what may be wrong. If you want solr to continue after configuration errors, change: <abortOnConfigurationError>false</abortOnConfigurationError> in solr.xml -------------------------------------------------------------
org.apache.solr.common.SolrException: No cores were created, please check the logs for errors at org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:172)
at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:96)
at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:277)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:382)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:103)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4638)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5294)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:649)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1585)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
-------------------------------------------------------------
java.lang.NoClassDefFoundError: org/apache/solr/util/plugin/SolrCoreAware
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1698)
at java.lang.ClassLoader.loadClass(ClassLoader.java:410)
at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:789)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:378)
at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:419)
at org.apache.solr.core.SolrCore.createRequestHandler(SolrCore.java:455)
at org.apache.solr.core.RequestHandlers.initHandlersFromConfig(RequestHandlers.java:159)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:563)
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:483)
at org.apache.solr.core.CoreContainer.load(CoreContainer.java:335)
at org.apache.solr.core.CoreContainer.load(CoreContainer.java:219)
at org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:161)
at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:96)
at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:277)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:382)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:103)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4638)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5294)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:649)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1585)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.ClassNotFoundException: org.apache.solr.util.plugin.SolrCoreAware
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:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356) ... 47 more
我的日志条目告诉我：
SEVERE: java.lang.NoClassDefFoundError: org/apache/solr/util/plugin/SolrCoreAware
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1698)
at java.lang.ClassLoader.loadClass(ClassLoader.java:410)
at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:789)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:378)
at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:419)
at org.apache.solr.core.SolrCore.createRequestHandler(SolrCore.java:455)
at org.apache.solr.core.RequestHandlers.initHandlersFromConfig(RequestHandlers.java:159)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:563)
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:483)
at org.apache.solr.core.CoreContainer.load(CoreContainer.java:335)
at org.apache.solr.core.CoreContainer.load(CoreContainer.java:219)
at org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:161)
at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:96)
at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:277)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:382)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:103)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4638)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5294)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:649)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1585)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.ClassNotFoundException: org.apache.solr.util.plugin.SolrCoreAware
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
... 47 more
Jun 15, 2012 4:07:50 PM org.apache.solr.servlet.SolrDispatchFilter init
SEVERE: Could not start Solr. Check solr/home property and the logs
org.apache.solr.common.SolrException: No cores were created, please check the logs for errors
at org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:172)
at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:96)
at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:277)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:382)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:103)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4638)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5294)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:649)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1585)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
Jun 15, 2012 4:07:50 PM org.apache.solr.common.SolrException log
SEVERE: org.apache.solr.common.SolrException: No cores were created, please check the logs for errors
at org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:172)
at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:96)
at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:277)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:382)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:103)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4638)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5294)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:649)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1585)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
所以现在我想知道我在哪里搞砸了DataImportHan的配置dler。我需要指定更多jar文件吗？我把jar文件放在正确的目录中了吗？任何帮助将不胜感激。
推荐答案
这里的问题是你的lib条目与jar文件位置是未正确定义。
The issue here is your "lib" entries with jar file location is not properly defined.
根据您的solr.home条目，这些dist，contrib文件夹无法解析。例如，您可能需要额外的../...
Depending on your solr.home entry, these dist, contrib folders are not resolving. For instance, you may need to additional "../" for this..
这篇关于Solr DataImportHandler配置的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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