Hi,
we are seeing the following NPE sometimes when we delete a collection
right after we modify the schema:
08:47:46.407 [zkCallback-5-thread-4] INFO
org.apache.solr.rest.ManagedResource 209 processStoredData - Loaded
initArgs {ignoreCase=true} for /schema/analysis/stopwords/text_ar
08:47:46.407 [zkCallback-5-thread-4] INFO
org.apache.solr.rest.schema.analysis.ManagedWordSetResource 116
onManagedDataLoadedFromStorage - Loaded 119 words for
/schema/analysis/stopwords/text_ar
08:47:46.407 [zkCallback-5-thread-4] INFO
org.apache.solr.rest.ManagedResource 117 notifyObserversDuringInit -
Notified 8 observers of /schema/analysis/stopwords/text_ar
08:47:46.407 [zkCallback-5-thread-4] INFO
org.apache.solr.rest.RestManager 668 addRegisteredResource - Registered
new managed resource /schema/analysis/stopwords/text_ar
08:47:46.408 [zkCallback-5-thread-4] INFO
org.apache.solr.schema.IndexSchema 592 readSchema - Loaded schema
solr-config/1.6 with uniqueid field id
08:47:46.408 [zkCallback-5-thread-4] INFO
org.apache.solr.schema.ZkIndexSchemaReader 177 updateSchema - Finished
refreshing schema in 411 ms
08:47:46.415 [qtp254749889-20] INFO org.apache.solr.core.SolrCore 1517
close - [donald.test-query-1533026857986_shard1_replica_n1] CLOSING
SolrCore org.apache.solr.core.SolrCore@62ef7f0c
08:47:46.415 [qtp254749889-20] INFO
org.apache.solr.metrics.SolrMetricManager 1038 closeReporters - Closing
metric reporters for
registry=solr.core.donald.test-query-1533026857986.shard1.replica_n1,
tag=62ef7f0c
08:47:46.416 [qtp254749889-20] INFO
org.apache.solr.metrics.SolrMetricManager 1038 closeReporters - Closing
metric reporters for
registry=solr.collection.donald.test-query-1533026857986.shard1.leader,
tag=62ef7f0c
08:47:46.416 [Thread-20] INFO
org.apache.solr.metrics.reporters.SolrJmxReporter 112 doInit - JMX
monitoring for
'solr.core.donald.test-query-1533026857986.shard1.replica_n1' (registry
'solr.core.donald.test-query-1533026857986.shard1.replica_n1') enabled
at server: com.sun.jmx.mbeanserver.JmxMBeanServer@2698dc7
08:47:46.417 [Thread-20] WARN org.apache.solr.cloud.ZkController 2689
lambda$fireEventListeners$6 - listener throws error
org.apache.solr.common.SolrException: Unable to reload core
[donald.test-query-1533026857986_shard1_replica_n1]
at
org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1411)
~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
jpountz - 2018-06-18 16:55:13]
at
org.apache.solr.core.SolrCore.lambda$getConfListener$20(SolrCore.java:3029)
~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
jpountz - 2018-06-18 16:55:13]
at
org.apache.solr.cloud.ZkController.lambda$fireEventListeners$6(ZkController.java:2687)
~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
jpountz - 2018-06-18 16:55:13]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
Caused by: java.lang.NullPointerException
at
org.apache.solr.metrics.SolrMetricManager.loadShardReporters(SolrMetricManager.java:1146)
~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
jpountz - 2018-06-18 16:55:13]
at
org.apache.solr.metrics.SolrCoreMetricManager.loadReporters(SolrCoreMetricManager.java:92)
~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
jpountz - 2018-06-18 16:55:13]
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:909)
~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
jpountz - 2018-06-18 16:55:13]
at org.apache.solr.core.SolrCore.reload(SolrCore.java:663)
~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
jpountz - 2018-06-18 16:55:13]
at
org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1390)
~[solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc -
jpountz - 2018-06-18 16:55:13]
... 3 more
regards,
Hendrik
