我正在为 solr 应用程序运行 Tomcat 服务器。我重新启动服务器并在我的 catalina.out 中观察到以下错误。
Exception configuring digester to permit java encoding names in XML files. Only IANA encoding names will be supported.
这个错误是什么意思，如何解决？我根本不知道 Java，所以任何帮助将不胜感激。这是 CentO 上的 Tomcat6。
编辑的日志文件：
Jan 1, 2013 10:14:44 a.m. org.apache.catalina.users.MemoryUserDatabase open
WARNING: Exception configuring digester to permit java encoding names in XML files. Only IANA encoding names will be supported.
org.xml.sax.SAXNotSupportedException: http://apache.org/xml/features/allow-java-encodings
at gnu.xml.stream.SAXParserFactory.setFeature(libgcj.so.10)
at org.apache.tomcat.util.digester.Digester.setFeature(Digester.java:556)
at org.apache.catalina.users.MemoryUserDatabase.open(MemoryUserDatabase.java:391)
............
Jan 1, 2013 10:14:44 a.m. org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Jan 1, 2013 10:14:44 a.m. org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.24
Jan 1, 2013 10:14:44 a.m. org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor manager.xml
Jan 1, 2013 10:14:45 a.m. org.apache.catalina.startup.TldConfig lifecycleEvent
SEVERE: Error processing TLD files for context path /manager
java.lang.IllegalArgumentException: URI "file:./" is not hierarchical
at java.io.File.<init>(libgcj.so.10)
at org.apache.catalina.startup.TldConfig.getJarPaths(TldConfig.java:687)
at org.apache.catalina.startup.TldConfig.execute(TldConfig.java:281)
...........
Jan 1, 2013 10:14:45 a.m. org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor solr.xml
Jan 1, 2013 10:14:45 a.m. org.apache.catalina.startup.TldConfig lifecycleEvent
SEVERE: Error processing TLD files for context path /solr
java.lang.IllegalArgumentException: URI "file:./" is not hierarchical
at java.io.File.<init>(libgcj.so.10)
at org.apache.catalina.startup.TldConfig.getJarPaths(TldConfig.java:687)
at org.apache.catalina.startup.TldConfig.execute(TldConfig.java:281)
at org.apache.catalina.startup.TldConfig.lifecycleEvent(TldConfig.java:739)
at
.........
Jan 1, 2013 10:14:45 a.m. org.apache.solr.core.SolrResourceLoader locateSolrHome
INFO: Using JNDI solr.home: /var/lib/tomcat6/my/solr/
Jan 1, 2013 10:14:45 a.m. org.apache.solr.core.SolrResourceLoader <init>
INFO: new SolrResourceLoader for deduced Solr Home: '/var/lib/tomcat6/my/solr/'
Jan 1, 2013 10:14:45 a.m. org.apache.solr.servlet.SolrDispatchFilter init
INFO: SolrDispatchFilter.init()
Jan 1, 2013 10:14:45 a.m. org.apache.solr.core.SolrResourceLoader locateSolrHome
INFO: Using JNDI solr.home: /var/lib/tomcat6/my/solr/
Jan 1, 2013 10:14:45 a.m. org.apache.solr.core.CoreContainer$Initializer initialize
INFO: looking for solr.xml: /var/lib/tomcat6/my/solr/solr.xml
Jan 1, 2013 10:14:45 a.m. org.apache.solr.core.CoreContainer load
INFO: Loading CoreContainer using Solr Home: '/var/lib/tomcat6/my/solr/'
Jan 1, 2013 10:14:45 a.m. org.apache.solr.core.SolrResourceLoader <init>
INFO: new SolrResourceLoader for directory: '/var/lib/tomcat6/my/solr/'
Jan 1, 2013 10:14:45 a.m. org.apache.solr.core.CoreContainer create
INFO: Creating SolrCore '' using instanceDir: /var/lib/tomcat6/my/solr/.
Jan 1, 2013 10:14:45 a.m. org.apache.solr.core.SolrResourceLoader <init>
INFO: new SolrResourceLoader for directory: '/var/lib/tomcat6/my/solr/./'
Jan 1, 2013 10:14:45 a.m. org.apache.solr.core.SolrConfig initLibs
INFO: Adding specified lib dirs to ClassLoader
Jan 1, 2013 10:14:45 a.m. org.apache.solr.common.SolrException log
SEVERE: Error in xpath:javax.xml.xpath.XPathExpressionException: multiple nodes in node-set
我将它用于 solr