SolrTestCaseJ4 errors with SOLR 4.9 (works with SOLR 4.8.1)

[vsrikanthp <sr...@gmail.com>]

Hi,

I'm trying to upgrade from SOLR 4.8.1 to SOLR 4.9. Some of our test cases
(using SolrTestCaseJ4 framework) which work with 4.8.1 are failing when I
try to run them with SOLR 4.9.
I'm trying to figure out (and fix) the test cases. 

We are using maven surefire plugin with JUNIT to run the tests.

Error:
java.lang.IllegalAccessError: class
org.apache.lucene.codecs.diskdv.DiskDocValuesFormat$1 cannot access its
superclass org.apache.lucene.codecs.lucene45.Lucene45DocValuesConsumer
        at __randomizedtesting.SeedInfo.seed([3C587EB0DE791716]:0)
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
        at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
        at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:789)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
        at java.lang.Class.getDeclaredConstructors0(Native Method)
        at java.lang.Class.privateGetDeclaredConstructors(Class.java:2585)
        at java.lang.Class.getConstructor0(Class.java:2885)
        at java.lang.Class.newInstance(Class.java:350)
        at
org.apache.lucene.util.NamedSPILoader.reload(NamedSPILoader.java:67)
        at
org.apache.lucene.codecs.DocValuesFormat.reloadDocValuesFormats(DocValuesFormat.java:121)
        at
org.apache.solr.core.SolrResourceLoader.reloadLuceneSPI(SolrResourceLoader.java:205)
        at org.apache.solr.core.SolrConfig.initLibs(SolrConfig.java:587)
        at org.apache.solr.core.SolrConfig.<init>(SolrConfig.java:162)
        at org.apache.solr.core.SolrConfig.<init>(SolrConfig.java:139)
        at
org.apache.solr.util.TestHarness.createConfig(TestHarness.java:74)
        at
org.apache.solr.SolrTestCaseJ4.createCore(SolrTestCaseJ4.java:553)
        at org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:546)
        at org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:366)


>From the SOLR 4.9 Release Notes, in "Upgrading from Solr 4.8", I see:
Support for DiskDocValuesFormat (ie: fieldTypes configured with
docValuesFormat="Disk") has been removed due to poor performance.

As a result of that, the lucene-codecs-4.9.0.jar doesnt have
"DiskDocValuesFormat$1" class anymore, which somewhat makes sense.

Question is: What should I do to get rid of this error? since it seems to be
coming from inside of SolrTestCaseJ4. Our code base doesn't use
DiskDocValuesFormat for any fieldType.

>From my observations, SolrTestCaseJ4 seems to be passing different codecs
(randomly) to the test cases but regardless of the codec chosen, the error
is always the same mentioned above.

I found the following on the lucene forum that mentions same error that I'm
getting but in a different context. No solution is mentioned, however.

http://lucene.472066.n3.nabble.com/Have-anyone-used-Automatic-Phrase-Tokenization-AutoPhrasingTokenFilterFactory-td4173808i20.html#a4195182

Please advise as to what I'm doing wrong.

Thanks,
Sri




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