Error shutting down

[smokingwheels]

I will try and fix..

Replace with a null-safe guard
if (pluginInfo.name != null && pluginInfo.name.equals("query")) {
    ...
}


Or even better (cleaner):

if ("query".equals(pluginInfo.name)) {
    ...
}

E 2026/01/04 05:40:50 ConcurrentLog Cannot invoke "String.equals(Object)" because "pluginInfo.name" is null
java.lang.NullPointerException: Cannot invoke "String.equals(Object)" because "pluginInfo.name" is null
        at net.yacy.cora.federate.solr.connector.EmbeddedSolrConnector.config(EmbeddedSolrConnector.java:134)
        at net.yacy.cora.federate.solr.connector.EmbeddedSolrConnector.<init>(EmbeddedSolrConnector.java:112)
        at net.yacy.cora.federate.solr.instance.InstanceMirror.getEmbeddedConnector(InstanceMirror.java:151)
        at net.yacy.cora.federate.solr.instance.InstanceMirror.getGenericMirrorConnector(InstanceMirror.java:180)
        at net.yacy.cora.federate.solr.instance.InstanceMirror.getDefaultMirrorConnector(InstanceMirror.java:174)
        at net.yacy.search.index.Fulltext.getDefaultConnector(Fulltext.java:231)
        at net.yacy.search.index.ErrorCache.push(ErrorCache.java:113)
        at net.yacy.crawler.data.CrawlQueues$Loader.run(CrawlQueues.java:936)

Patched.

EmbeddedSolrConnector.java

[okybaca]

how to replicate the bug?

[smokingwheels]

Try crawling a hundreds of sites and shutdown yacy...Sorry I was a little busy.

[smokingwheels]

I will try and fix..
Crawling 10k sites.

E 2026/01/07 04:24:50 UNCAUGHT-EXCEPTION * Thread Switchboard.stackURLs-7-eR1W09TOGtyZ: Cannot invoke "net.yacy.crawler.Balancer.remove(net.yacy.cora.storage.HandleSet)" because "this.noloadStack" is null
java.lang.NullPointerException: Cannot invoke "net.yacy.crawler.Balancer.remove(net.yacy.cora.storage.HandleSet)" because "this.noloadStack" is null
at net.yacy.crawler.data.NoticedURL.removeByURLHash(NoticedURL.java:222)
at net.yacy.crawler.data.CrawlQueues.removeURL(CrawlQueues.java:294)
at net.yacy.search.Switchboard.remove(Switchboard.java:3651)
at net.yacy.search.Switchboard.stackUrl(Switchboard.java:3726)
at net.yacy.search.Switchboard$21.run(Switchboard.java:3698)

java.lang.NullPointerException: Cannot invoke "net.yacy.crawler.Balancer.remove(net.yacy.cora.storage.HandleSet)" because "this.noloadStack" is null
at net.yacy.crawler.data.NoticedURL.removeByURLHash(NoticedURL.java:222)
at net.yacy.crawler.data.CrawlQueues.removeURL(CrawlQueues.java:294)
at net.yacy.search.Switchboard.remove(Switchboard.java:3651)
at net.yacy.search.Switchboard.stackUrl(Switchboard.java:3726)
at net.yacy.search.Switchboard$21.run(Switchboard.java:3698)
E 2026/01/07 04:24:50 ConcurrentLog Cannot invoke "net.yacy.crawler.Balancer.remove(net.yacy.cora.storage.HandleSet)" because "this.noloadStack" is null
java.lang.NullPointerException: Cannot invoke "net.yacy.crawler.Balancer.remove(net.yacy.cora.storage.HandleSet)" because "this.noloadStack" is null
at net.yacy.crawler.data.NoticedURL.removeByURLHash(NoticedURL.java:222)
at net.yacy.crawler.data.CrawlQueues.removeURL(CrawlQueues.java:294)
at net.yacy.search.Switchboard.remove(Switchboard.java:3651)
at net.yacy.search.Switchboard.stackUrl(Switchboard.java:3726)
at net.yacy.search.Switchboard$21.run(Switchboard.java:3698)
I 2026/01/07 04:24:51 KELONDRO * HeapReader: wrote a dump for the 107 gap entries of text.index.20260105045926713.blob in 0 milliseconds.
I 2026/01/07 04:24:52 org.apache.solr.update.processor.LogUpdateProcessorFactory webapp=null path=/update params={}{delete=[9Jvp8RhxDTwg (-1853630596657446912)]} 0 0