Can't find resource 'solrconfig.xml' in classpath in solr

Question

problem

• i cannot access solr admin page.
• when i run url on localsystem: http://localhost:8983/solr/admin/cores?action=CREATE&name=new_core&configSet=basic_configs

response

    <response>
    <lst name="responseHeader">
    <int name="status">400</int>
    <int name="QTime">17</int>
    </lst>
    <lst name="error">
    <str name="msg">
    Error CREATEing SolrCore 'new_core': Unable to create core: new_core Caused by: Can't find resource 'solrconfig.xml' in classpath or '/var/lib/tomcat7/solr/new_core/conf'
    </str>
    <int name="code">400</int>
    </lst>
    </response>

• i have reffered link : https://wiki.apache.org/solr/CoreAdmin

• solr.xml code

  <solr persistent="false">
      <cores adminPath="/admin/cores">
          <core name="afeef" instanceDir="afeef" />
      </cores>
  </solr>
  

error:

  SolrCore Initialization Failures
    afeef: org.apache.solr.common.SolrException:org.apache.solr.common.SolrException: Could not load config file /var/lib/tomcat7/solr/afeef/solrconfig.xml
    coreX: org.apache.solr.common.SolrException:org.apache.solr.common.SolrException: Could not load config file /var/lib/tomcat7/solr/path_to_instance_directory/config_file_name.xml
    new_core: org.apache.solr.common.SolrException:org.apache.solr.common.SolrException: Could not load config file /var/lib/tomcat7/solr/new_core/solrconfig.xml

• when i run this cmd

  ps aux|grep java

  tomcat7 23192 0.7 2.0 2579744 161852 ? Sl 16:22 0:11 /usr/lib/jvm/default-java/bin/java -Djava.util.logging.config.file=/var/lib/tomcat7/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.awt.headless=true -Xmx128m -XX:+UseConcMarkSweepGC -Djava.endorsed.dirs=/usr/share/tomcat7/endorsed -classpath /usr/share/tomcat7/bin/bootstrap.jar:/usr/share/tomcat7/bin/tomcat-juli.jar -Dcatalina.base=/var/lib/tomcat7 -Dcatalina.home=/usr/share/tomcat7 -Djava.io.tmpdir=/tmp/tomcat7-tomcat7-tmp org.apache.catalina.startup.Bootstrap start mohd 24047 0.0 0.0 15948 2276 pts/14 S+ 16:45 0:00 grep --color=auto java

• it was working properly suddenly it throws error .

Answer 1

As it is mentionned in the wiki that you referenced in the link , instanceDir parameter in the http request is a required parameter. config, schema & dataDir parameters are optional. (Default is to look for solrconfig.xml/schema.xml inside instanceDir. Default place to look for dataDir depends on solrconfig.xml.) Example of Create Request

    http://localhost:8983/solr/admin/cores?action=CREATE&name=coreX&instanceDir=path_to_instance_directory&
config=config_file_name.xml&schema=schema_file_name.xml&dataDir=data