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https://issues.apache.org/jira/browse/SOLR-6880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Miller reopened SOLR-6880:
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Hey [~shalinmangar], it seems that the assert you added in updateClusterState
can be tripped in CollectionsAPIDistributedZkTest.
{noformat}
Error from server at http://127.0.0.1:40942: Expected mime type
application/octet-stream but got text/html. <html> <head> <meta
http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/> <title>Error
500 {trace=java.lang.AssertionError at
org.apache.solr.common.cloud.ZkStateReader.updateClusterState(ZkStateReader.java:532)
at
org.apache.solr.common.cloud.ZkStateReader.updateClusterState(ZkStateReader.java:255)
at
org.apache.solr.common.cloud.ZkStateReader.removeZKWatch(ZkStateReader.java:900)
at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1218) at
org.apache.solr.handler.admin.CoreAdminHandler.handleCreateAction(CoreAdminHandler.java:590)
at
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestInternal(CoreAdminHandler.java:199)
at
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:188)
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:144)
at
{noformat}
> ZKStateReader makes a call to updateWatchedCollection, which doesn't accept
> null with a method creating the argument that can return null.
> ------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-6880
> URL: https://issues.apache.org/jira/browse/SOLR-6880
> Project: Solr
> Issue Type: Bug
> Reporter: Mark Miller
> Assignee: Mark Miller
> Priority: Minor
> Fix For: 5.0, Trunk
>
> Attachments: SOLR-6880.patch, SOLR-6880.patch
>
>
> I've seen the resulting NPE in tests.
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