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https://issues.apache.org/jira/browse/SOLR-13392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16822904#comment-16822904
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ASF subversion and git services commented on SOLR-13392:
--------------------------------------------------------
Commit fe02666d5445db51c1d34aef925042a81c7eff69 in lucene-solr's branch
refs/heads/branch_8x from Shalin Shekhar Mangar
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=fe02666 ]
SOLR-13392: Add all solr dependencies to prometheus exporter classpath to make
sure that it can start.
SOLR-13234 broke prometheus exporter startup from the startup scripts because
there was a mismatch between the dependency list in ant/ivy and those actually
added to the classpath by the script. This commit changes the script to add all
solr dependencies to the classpath.
(cherry picked from commit 4571a2d66687cca6670885a94414c7a8c02c0bbc)
> Unable to start prometheus-exporter in 7x branch
> ------------------------------------------------
>
> Key: SOLR-13392
> URL: https://issues.apache.org/jira/browse/SOLR-13392
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: metrics
> Affects Versions: 7.7.2
> Reporter: Karl Stoney
> Assignee: Shalin Shekhar Mangar
> Priority: Major
> Attachments: SOLR-13392.patch
>
>
> Hi,
> prometheus-exporter doesn't start in branch 7x on commit
> 7dfe1c093b65f77407c2df4c2a1120a213aef166, it does work on
> 26b498d0a9d25626a15e25b0cf97c8339114263a so something has changed between
> those two commits causing this.
> I am presuming it is
> https://github.com/apache/lucene-solr/commit/e1eeafb5dc077976646b06f4cba4d77534963fa9#diff-3f7b27f0f087632739effa2aa508d77eR34
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/lucene/util/IOUtils
> at
> org.apache.solr.core.SolrResourceLoader.close(SolrResourceLoader.java:881)
> at
> org.apache.solr.prometheus.exporter.SolrExporter.loadMetricsConfiguration(SolrExporter.java:221)
> at
> org.apache.solr.prometheus.exporter.SolrExporter.main(SolrExporter.java:205)
> Caused by: java.lang.ClassNotFoundException: org.apache.lucene.util.IOUtils
> at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> ... 3 more
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