org.apache.solr.common.SolrException: SolrCore 'mycore' is not available due to init failure: Error loading class 'solr.admin.AdminHandlers'

Stack Overflow | user1783398 | 10 months ago
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  1. 0

    upgrade to solr 6.1, exception ClassNotFoundException: solr.admin.AdminHandlers

    Stack Overflow | 10 months ago | user1783398
    org.apache.solr.common.SolrException: SolrCore 'mycore' is not available due to init failure: Error loading class 'solr.admin.AdminHandlers'
  2. 0

    Error - newbie-

    GitHub | 4 months ago | MyraBaba
    org.apache.solr.common.SolrException: Could not load conf for core vitamin: Can't load schema /Users/myra/Downloads/solr-6.3.0/server/solr/vitamin/conf/managed-schema: Plugin init failure for [schema.xml] fieldType "text_tr": Plugin init failure for [schema.xml] analyzer/filter: Error loading class 'org.apache.lucene.analysis.tr.Zemberek3StemFilterFactory'
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    samebug tip
    This might be an issue with the file location in the Spark submit command. Try it with "spark-submit --master spark://master:7077 hello_world_from_pyspark.py {file location}"
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    Scala 2.11 support?

    GitHub | 1 year ago | Hydrotoast
    java.lang.ClassNotFoundException: akka.cluster.ClusterActorRefProvider

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    solr.admin.AdminHandlers

    at java.net.URLClassLoader.findClass()
  2. Java RT
    Class.forName
    1. java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    3. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    4. java.lang.Class.forName0(Native Method)
    5. java.lang.Class.forName(Class.java:348)
    5 frames
  3. Apache Solr Core
    CoreContainer.lambda$load$0
    1. org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:520)
    2. org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:467)
    3. org.apache.solr.core.SolrCore.createInstance(SolrCore.java:570)
    4. org.apache.solr.core.PluginBag.createPlugin(PluginBag.java:125)
    5. org.apache.solr.core.PluginBag.init(PluginBag.java:225)
    6. org.apache.solr.core.RequestHandlers.initHandlersFromConfig(RequestHandlers.java:130)
    7. org.apache.solr.core.SolrCore.<init>(SolrCore.java:732)
    8. org.apache.solr.core.SolrCore.<init>(SolrCore.java:647)
    9. org.apache.solr.core.CoreContainer.create(CoreContainer.java:812)
    10. org.apache.solr.core.CoreContainer.lambda$load$0(CoreContainer.java:466)
    10 frames
  4. Java RT
    FutureTask.run
    1. java.util.concurrent.FutureTask.run(FutureTask.java:266)
    1 frame
  5. Apache Solr Solrj
    ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$22
    1. org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$22(ExecutorUtil.java:229)
    1 frame
  6. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    3. java.lang.Thread.run(Thread.java:745)
    3 frames