Re: Dependencies missing when using solr-core-10.0.0 instead of 9.10.1

Thorsten Heit <[email protected]> Thu, 12 Mar 2026 10:46:12 +0100
Newsgroups	gmane.comp.jakarta.turbine.maven.user
Message-ID	<[email protected]>
Hi,

I forgot to mention that this was tested with Maven 3.9.13 and Java 25 
(Temurin 25.0.2 to be precise) on Windows 11 if that matters.


/Thorsten

Am 12.03.26 um 10:32 schrieb Thorsten Heit:
> Hi,
> 
> I have asked this on the Solr mailing list before, but got no helpful 
> answer so far. I hope someone here as a glue what's going on:
> 
> 
> I have written an internal library that uses SolrJ for connecting to a 
> (remote) Solr server. The library is a multi-module project consisting 
> of several parts; the interesting ones are:
> 
> - a common module that represents the bridge to Solr (by using SolrJ)
> - a test module that implements JUnit tests and an integration test; 
> uses jetty-maven-plugin to start a local Solr server with an empty 
> database before the IT is executed
> 
> 
> Actually I'm using the following dependencies in the IT module pom 
> (unnecessary parts omitted):
> 
> <dependencies>
>      <dependency>
>          <groupId>org.apache.logging.log4j</groupId>
>          <artifactId>log4j-core</artifactId>
>      </dependency>
>      <dependency>
>          <groupId>${project.groupId}</groupId>
>          <!-- bridge to connect to Solr: -->
>          <artifactId>solr-connector-common</artifactId>
>          <version>${project.version}</version>
>      </dependency>
>      <dependency>
>          <groupId>org.apache.solr</groupId>
>          <artifactId>solr-core</artifactId>
>          <version>${solr.version}</version>
>      </dependency>
> 
>      <dependency>
>          <groupId>org.junit.jupiter</groupId>
>          <artifactId>junit-jupiter-engine</artifactId>
>          <scope>test</scope>
>      </dependency>
>      <dependency>
>          <groupId>org.junit.jupiter</groupId>
>          <artifactId>junit-jupiter-params</artifactId>
>          <scope>test</scope>
>      </dependency>
> </dependencies>
> 
> (the property "solr.version" is defined in the parent pom)
> 
> 
> With solr-core-9.10.1 "mvn dependency:tree" gives me
> 
> (...)
> [INFO] +- org.apache.solr:solr-core:jar:9.10.1:compile
> [INFO] |  +- org.apache.lucene:lucene-core:jar:9.12.2:compile
> [INFO] |  +- org.apache.lucene:lucene-analysis-common:jar:9.12.2:compile
> [INFO] |  +- org.apache.lucene:lucene-queries:jar:9.12.3:compile
> (...)
> [INFO] |  \- org.xerial.snappy:snappy-java:jar:1.1.10.8:runtime
> [INFO] +- org.eclipse.jdt:org.eclipse.jdt.annotation:jar:2.4.100:provided
> [INFO] +- org.junit.jupiter:junit-jupiter-engine:jar:6.0.3:test
> [INFO] |  +- org.junit.platform:junit-platform-engine:jar:6.0.3:test
> [INFO] |  |  +- org.opentest4j:opentest4j:jar:1.3.0:test
> [INFO] |  |  \- org.junit.platform:junit-platform-commons:jar:6.0.3:test
> [INFO] |  +- org.junit.jupiter:junit-jupiter-api:jar:6.0.3:test
> [INFO] |  +- org.apiguardian:apiguardian-api:jar:1.1.2:test
> [INFO] |  \- org.jspecify:jspecify:jar:1.0.0:runtime
> [INFO] \- org.junit.jupiter:junit-jupiter-params:jar:6.0.3:test
> (...)
> 
> 
> What puzzles me that the same command with solr-core-10.0.0 only shows
> 
> (...)
> [INFO] +- org.apache.solr:solr-core:jar:10.0.0:compile
> [INFO] +- org.eclipse.jdt:org.eclipse.jdt.annotation:jar:2.4.100:provided
> [INFO] +- org.junit.jupiter:junit-jupiter-engine:jar:6.0.3:test
> [INFO] |  +- org.junit.platform:junit-platform-engine:jar:6.0.3:test
> [INFO] |  |  +- org.opentest4j:opentest4j:jar:1.3.0:test
> [INFO] |  |  \- org.junit.platform:junit-platform-commons:jar:6.0.3:test
> [INFO] |  +- org.junit.jupiter:junit-jupiter-api:jar:6.0.3:test
> [INFO] |  +- org.apiguardian:apiguardian-api:jar:1.1.2:test
> [INFO] |  \- org.jspecify:jspecify:jar:1.0.0:runtime
> [INFO] \- org.junit.jupiter:junit-jupiter-params:jar:6.0.3:test
> (...)
> 
> i.e. no dependencies at all in solr-core-10.0.0 in the tree. Therefore 
> the IT test fails with ClassNotFoundExceptions when Jetty starts the 
> local server:
> 
> (...)
> [WARNING] Failed startup of context 
> oeje10mp.MavenWebAppContext@54bd2345{/solr,/solr,b=file:///(...)/solr- 
> connector-tests/src/main/ 
> webapp/,a=STOPPED,h=oeje10s.SessionHandler@10897221{STOPPED}}{file:/// 
> (...)/solr-connector-tests/src/main/webapp/}
> java.lang.NoClassDefFoundError: org/apache/solr/common/cloud/ 
> ClusterPropertiesListener
>      at java.lang.Class.getDeclaredConstructors0 (Native Method)
>      at java.lang.Class.privateGetDeclaredConstructors (Class.java:2985)
>      at java.lang.Class.getConstructor0 (Class.java:3180)
>      at java.lang.Class.getDeclaredConstructor (Class.java:2491)
>      at 
> org.eclipse.jetty.ee10.servlet.ServletContextHandler$ServletScopedContext.createInstance (ServletContextHandler.java:2023)
>      at org.eclipse.jetty.ee10.servlet.BaseHolder.createInstance 
> (BaseHolder.java:203)
> (...)
> 
> 
> But:
> 
> When you look at the pom of solr-core-10.0.0 there are indeed lots of 
> dependencies; if I counted correctly 76 in sum, 9 having scope 
> "compiled" and 67 with scope "runtime".
> Additionally the poms of solr-core-9.10.1 and solr-core-10.0.0 don't 
> differ much. The dependencies are basically the same, some with newer 
> versions; a few removed, a few added IIRC.
> 
> 
> To make the IT work again I manually have to add about a third of the 
> dependencies defined in solr-core-10.0.0 such as org.apache.solr:solr- 
> solrj, org.apache.solr:solr-solrj-zookeeper, tons of lucene dependencies 
> etc.
> 
> 
> Has somehere a clue why this is necessary?
> 
> 
> Regards
> 
> Thorsten
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