| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.solr.servlet; |
| |
| import java.lang.invoke.MethodHandles; |
| |
| import org.slf4j.LoggerFactory; |
| |
| final class CheckLoggingConfiguration { |
| |
| static void check() { |
| try { |
| LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| } catch (NoClassDefFoundError e) { |
| throw new NoClassDefFoundError("Failed to initialize Apache Solr: " |
| +"Could not find necessary SLF4j logging jars. If using Jetty, the SLF4j logging jars need to go in " |
| +"the jetty lib/ext directory. For other containers, the corresponding directory should be used. " |
| +"For more information, see: http://wiki.apache.org/solr/SolrLogging"); |
| } |
| } |
| |
| private CheckLoggingConfiguration() {} |
| |
| } |