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From Jennifer Coston <Jennifer.Cos...@raytheon.com>
Subject Can I use SolrJ 6.3.0 to talk to a Solr 5.2.3 server?
Date Tue, 03 Jan 2017 17:35:43 GMT
Hello,

I am running into a conflict with Solr and ElasticSearch. We are trying to add support for
Elastic Search 5.1.1 which requires Lucene 6.3.0 to an existing system that uses Solr 5.2.3.
At the moment I am using SolrJ 5.3.1 to talk to the 5.2.3 Server. I was hoping I could just
update the SolrJ libraries to 6.3.0 so the Lucene conflict goes away, but when I try to run
my unit tests I'm seeing this error:

java.util.ServiceConfigurationError: Cannot instantiate SPI class: org.apache.lucene.codecs.simpletext.SimpleTextPostingsFormat
                at org.apache.lucene.util.NamedSPILoader.reload(NamedSPILoader.java:82)
                at org.apache.lucene.codecs.PostingsFormat.reloadPostingsFormats(PostingsFormat.java:132)
                at org.apache.solr.core.SolrResourceLoader.reloadLuceneSPI(SolrResourceLoader.java:237)
                at org.apache.solr.core.SolrResourceLoader.<init>(SolrResourceLoader.java:182)
                at org.apache.solr.core.SolrResourceLoader.<init>(SolrResourceLoader.java:142)
                at org.apache.solr.core.CoreContainer.<init>(CoreContainer.java:217)
                at com.rtn.iaf.catalog.test.SolrAnalyticClientTest.setUpBeforeClass(SolrAnalyticClientTest.java:59)
                at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
                at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
                at java.lang.reflect.Method.invoke(Method.java:498)
                at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
                at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
                at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
                at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
                at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
                at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
                at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
                at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
                at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
                at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
                at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
                at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: java.lang.IllegalAccessException: Class org.apache.lucene.util.NamedSPILoader can
not access a member of class org.apache.lucene.codecs.simpletext.SimpleTextPostingsFormat
with modifiers "public"
                at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:102)
                at java.lang.Class.newInstance(Class.java:436)
                at org.apache.lucene.util.NamedSPILoader.reload(NamedSPILoader.java:72)
                ... 22 more
Is it possible to talk to the 5.2.3 Server using SolrJ 6.3.0?

Here are the Solr Dependencies I have in my pom.xml:

<!-- Solr dependencies -->
              <dependency>
                     <groupId>org.apache.solr</groupId>
                     <artifactId>solr-solrj</artifactId>
                     <version>6.3.0</version>
              </dependency>
              <!-- Required by embedded solr server -->
              <dependency>
                     <groupId>org.apache.solr</groupId>
                     <artifactId>solr-core</artifactId>
                     <version>6.3.0</version>
                     <scope>test</scope>
                     <exclusions>
                           <exclusion>
                                  <artifactId>jdk.tools</artifactId>
                                  <groupId>jdk.tools</groupId>
                           </exclusion>
                           <exclusion>
                                  <artifactId>jetty-continuation</artifactId>
                                  <groupId>org.eclipse.jetty</groupId>
                           </exclusion>
                           <exclusion>
                                  <artifactId>jetty-deploy</artifactId>
                                  <groupId>org.eclipse.jetty</groupId>
                           </exclusion>
                           <exclusion>
                                  <artifactId>jetty-jmx</artifactId>
                                  <groupId>org.eclipse.jetty</groupId>
                           </exclusion>
                           <exclusion>
                                  <artifactId>jetty-rewrite</artifactId>
                                  <groupId>org.eclipse.jetty</groupId>
                           </exclusion>
                           <exclusion>
                                  <artifactId>jetty-servlets</artifactId>
                                  <groupId>org.eclipse.jetty</groupId>
                           </exclusion>
                           <exclusion>
                                  <artifactId>jetty-util</artifactId>
                                  <groupId>org.eclipse.jetty</groupId>
                           </exclusion>
                           <exclusion>
                                  <artifactId>hadoop-annotations</artifactId>
                                  <groupId>org.apache.hadoop</groupId>
                           </exclusion>
                           <exclusion>
                                  <artifactId>hadoop-auth</artifactId>
                                  <groupId>org.apache.hadoop</groupId>
                           </exclusion>
                           <exclusion>
                                  <artifactId>hadoop-common</artifactId>
                                  <groupId>org.apache.hadoop</groupId>
                           </exclusion>
                           <exclusion>
                                  <artifactId>hadoop-hdfs</artifactId>
                                  <groupId>org.apache.hadoop</groupId>
                           </exclusion>
                     </exclusions>
              </dependency>

Please let me know if you need any additional information.

Thank you!
- Jennifer


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