Splunk® Enterprise

Release Notes

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Splunk Enterprise version 8.1 will no longer be supported as of April 19, 2023. See the Splunk Software Support Policy for details. For information about upgrading to a supported version, see How to upgrade Splunk Enterprise.
This documentation does not apply to the most recent version of Splunk® Enterprise. For documentation on the most recent version, go to the latest release.
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Fixed issues

Splunk Enterprise 8.1.1 was released on December 8, 2020. This release includes fixes for the following issues.

Issues are listed in all relevant sections. Some issues might appear more than once. To check for additional security issues related to this release, visit the Splunk Security Portal.

Authentication and authorization issues

Date resolved Issue number Description
2020-11-18 SPL-197656, SPL-196712 list_indexer_cluster cannot see the cluster info from the UI
2020-10-28 SPL-194287, SPL-190298 SAML - unable to update idpCerts via idpCertChain text box in SHC with replicate certificates enabled
2020-10-28 SPL-196619, SPL-195586 Linux 7.2.4.2 SHC + Duo Security 2FA - Authentication - login fails when using a custom root_endpoint

Upgrade issues

Date resolved Issue number Description
2020-11-23 SPL-197918, SPL-195414 Custom Navigation Menus Lost When Upgrading Splunk from 7.3.6 to 7.3.7
2020-11-16 SPL-196757, SPL-197069, SPL-197599 Upgrading CM to 8.1 breaks indexer discovery hence stops CM/forwarders forwarding logs to indexers
2020-10-28 SPL-194816, SPL-192191 Splunk Enterprise upgrade from version 7.x to 8.0.3 fails due to authentication.conf being encoded as Unicode/UTF-16LE

Search issues

Date resolved Issue number Description
2020-12-07 SPL-197414, SPL-197990 Searches are not working (crash in Main Thread) after upgrade (LDAP/SAML authentication)
2020-11-23 SPL-196223, SPL-193845 Bucket that rolled during search execution contained events missing from results
2020-11-23 SPL-196900, SPL-194112 Cascading replication aborted for peer=Peer_URI:8089 with bundle status = bundle_initialized after a retry attempt
2020-11-18 SPL-196187, SPL-195733 Indexer Crashes due to an assert failure in TSIDX postings offset region
2020-11-16 SPL-196856, SPL-196528 Post 7.3.4 upgrade issue: dashboard "jumping" on dropdown selection
2020-11-16 SPL-196846, SPL-195638 Dashboard dev - PostProcessManager does not work when its managerid is another PostProcessManager after upgrade
2020-11-12 SPL-197193, SPL-194016 search optimizer causing some search condition to be missing in remote search for searches including multiple wildcarded terms for the same field
2020-10-29 SPL-195273, SPL-193747 Benign console errors while loading Area chart - "TypeError: this.hcSeries.graph is undefined" or "TypeError: Cannot read property 'attr' of undefined" console error
2020-10-28 SPL-196390, SPL-194368 Linux 8.0.3 autoloadbalanced SHC + IDX cluster - Admin Cli - many random searches are crashing after upgrade
2020-10-28 SPL-194276, SPL-191472 Getting Security ID value equal to NONE_MAPPED for Member for the EventCode = 4732
2020-10-28 SPL-195123, SPL-193949 search process throws exception with "ERROR SearchEvaluatorBasedExpander - Caught exception during filter to index expansion - unbalanced parentheses"
2020-10-26 SPL-194961, SPL-194790 Reached limit max_mem_usage_mb error not appearing in UI
2020-10-25 SPL-194540, SPL-193073, SPL-193598 reverse lookup shows inconsistent behaviors
2020-10-24 SPL-196216, SPL-196190 "|rest" search with "strict" option fails to run when there are search peers with version less than 8.0.5.

Saved search, alerting, scheduling, and job management issues

Date resolved Issue number Description
2020-10-28 SPL-194597, SPL-194014 getMgmtUri shouldn't include stderr in the results.

Charting, reporting, and visualization issues

Date resolved Issue number Description
2020-12-07 SPL-197414, SPL-197990 Searches are not working (crash in Main Thread) after upgrade (LDAP/SAML authentication)
2020-11-23 SPL-196223, SPL-193845 Bucket that rolled during search execution contained events missing from results
2020-11-23 SPL-196900, SPL-194112 Cascading replication aborted for peer=Peer_URI:8089 with bundle status = bundle_initialized after a retry attempt
2020-11-18 SPL-196187, SPL-195733 Indexer Crashes due to an assert failure in TSIDX postings offset region
2020-11-16 SPL-196856, SPL-196528 Post 7.3.4 upgrade issue: dashboard "jumping" on dropdown selection
2020-11-16 SPL-196846, SPL-195638 Dashboard dev - PostProcessManager does not work when its managerid is another PostProcessManager after upgrade
2020-11-12 SPL-197193, SPL-194016 search optimizer causing some search condition to be missing in remote search for searches including multiple wildcarded terms for the same field
2020-10-29 SPL-195273, SPL-193747 Benign console errors while loading Area chart - "TypeError: this.hcSeries.graph is undefined" or "TypeError: Cannot read property 'attr' of undefined" console error
2020-10-28 SPL-196390, SPL-194368 Linux 8.0.3 autoloadbalanced SHC + IDX cluster - Admin Cli - many random searches are crashing after upgrade
2020-10-28 SPL-194276, SPL-191472 Getting Security ID value equal to NONE_MAPPED for Member for the EventCode = 4732
2020-10-28 SPL-195123, SPL-193949 search process throws exception with "ERROR SearchEvaluatorBasedExpander - Caught exception during filter to index expansion - unbalanced parentheses"
2020-10-26 SPL-194961, SPL-194790 Reached limit max_mem_usage_mb error not appearing in UI
2020-10-25 SPL-194540, SPL-193073, SPL-193598 reverse lookup shows inconsistent behaviors
2020-10-24 SPL-196216, SPL-196190 "|rest" search with "strict" option fails to run when there are search peers with version less than 8.0.5.

Indexer and indexer clustering issues

Date resolved Issue number Description
2020-11-16 SPL-196757, SPL-197069, SPL-197599 Upgrading CM to 8.1 breaks indexer discovery hence stops CM/forwarders forwarding logs to indexers
2020-10-27 SPL-194093, SPL-193066 Deserialization failed. val for key=indexing_disk_space is not a valid unsigned long long number.
2020-10-22 SPL-196334, SPL-194863 During indexer cluster searchable rolling restart, indexer was stuck in ReassigningPrimaries

Distributed search and search head clustering issues

Date resolved Issue number Description
2020-11-04 SPL-196636, SPL-193341 Linux 7.2.9 SHC - Admin Cli - all SHC members receiving a Deployer bundle with a modified master_uri lose all CM knowledge prior to restart
2020-10-29 SPL-194964, SPL-193571 SHC Captain number of threads kept increasing to over 8000; searches stopped;due to deadlock in CascadingBundleReplicationProvider code
2020-10-25 SPL-194627, SPL-194186 Some search been paused for a period of time - Process delayed by X seconds, perhaps system was suspended

Distributed deployment, forwarder, deployment server issues

Date resolved Issue number Description
2020-11-19 SPL-197229, SPL-196194 All App from Deployment Server UI show "Unchanged from state on deployment server"

Splunk Web and interface issues

Date resolved Issue number Description
2020-10-28 SPL-194276, SPL-191472 Getting Security ID value equal to NONE_MAPPED for Member for the EventCode = 4732
2020-10-22 SPL-194819, SPL-188395, SPL-194413 WebUI is not Returning Proper Bundle Validation-Restart check when there is a "Not Critical" error

Admin and CLI issues

Date resolved Issue number Description
2020-11-11 SPL-194053, SPL-193257 create_context=usr: notify mothership for newly created file
2020-11-04 SPL-196636, SPL-193341 Linux 7.2.9 SHC - Admin Cli - all SHC members receiving a Deployer bundle with a modified master_uri lose all CM knowledge prior to restart

Uncategorized issues

Date resolved Issue number Description
2020-11-18 SPL-195749, SPL-195523 Scripts started via the dash shell missing from resource_usage.log.
2020-11-10 SPL-197009, SPL-195826 splunkd.exe is constantly crashing by Access violation, cannot read at address
2020-11-04 SPL-194562, SPL-169676 Splunkd does not properly terminate, after permission issue with server.pem during startup.
2020-10-30 SPL-196707, SPL-195411 Redundant absent summary cachemanager open calls
2020-10-28 SPL-196249, SPL-195427 logs2metrics regex for value (dimension) only allows for some characters
2020-10-28 SPL-194542, SPL-192261 Incorrect date when the event is more than 3 hours from previous one
2020-10-26 SPL-194575, SPL-191298 Excess bucket removal process getting stuck when unstable buckets are not deleted due to being missing in CacheManager
Last modified on 08 September, 2021
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This documentation applies to the following versions of Splunk® Enterprise: 8.1.1


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