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Knowledge Base
- ERROR Messages
- DataStax Luna
- DataStax Enterprise
- DataStax OpsCenter
- DataStax Drivers
- DataStax Studio
- General Announcements
- Internal
- Common Errors
Errors
- ERROR: An intersecting incremental repair with session id = {} finished, preview repair might not be accurate
- ERROR: Attempting to continue draining after pre-shutdown hooks returned exception
- ERROR: Batch for {} is of size {}, exceeding specified threshold of {} by {}.{}
- ERROR: Batchlog manager timed out shutting down
- ERROR: Can't cast value for {} to size accepted by {}, value size is {}
- ERROR: Cannot load function '%s' from schema this function won't be available (on this node) See all 127 articles
Security
- Attempts to connect to a Kerberos-enabled cluster running on CentOS 7 fails with "LoginException: Message stream modified (41)"
- INFO - Transparent Data Encryption in DSE is not supported on D2iQ DC/OS
- Keyspace '<keyspace name>' not found
- Importing existing CA and public/private key into JKS for Internodes encryption
- How To Configure Microsoft AD Server as the KDC
- FAQ - How to force SSL TLSv1.2 protocol with DSE See all 9 articles
Search
- Setup SSL for Solr Cluster with internode and Client-to-node encryption
- How to score my solr_query search so that the results are similar to the Solr HTTP API results?
- TooManyClauses: maxClauseCount is set to 1024
- What is an alternative to using unlimited facets?
- DSE Search Node Logs get Spammed with LukeRequestHandler Warnings "Error getting file length..."
- The dsetool command stop_core_reindex is failing with connection refused See all 34 articles
Install/Upgrade
- Error on DataStax repository when running apt update
- Error opening zip file or JAR manifest missing : /usr/share/dse/cassandra/lib/jamm-0.3.0.jar
- How to lock a specific package version using yum
- FAQ - Is the DataStax Installer no longer available?
- DROP COMPACT STORAGE results in InvalidRequest on older DSE clusters
- Node upgraded from DSE 4.8 to 5.0 fails to start with NPE for LegacySchemaMigrator See all 13 articles
Graph
- FAQ: How to copy a graph (DSE 5.1, 6.0 or 6.7)
- Gremlin queries return different counts in OLAP and OLTP modes
- Gremlin Queries Return Different Counts in OLAP and OLTP modes
- Graph query on gremlin-console returns error "Unable to create an OLAP Traversal Source"
- "Vertex label ID clash" error when loading into DSE Graph
- UnsupportedOperationException when running Vertex query in gremlin console See all 8 articles
General
- DSE 5.0 SSTables with UDTs corrupted after upgrading to DSE 5.1, 6.0, or 6.7
- "Error in custom provider" prevents DSE node startup
- "No appropriate python interpreter found" when running cqlsh
- "Query string not found in prepared statement cache" seen in dse_perf.node_slow_log table
- "Validation failed" when running a nodetool repair
- Apache Cassandra fails to start with "FSReadError" and "java.io.EOFException" See all 142 articles
Analytics
- DSE does not start after the DSEFS keyspace is dropped
- SSL with scala
- Spark job fails after upgrade from DSE 5.0 with error "is not a valid external type for schema of date"
- Spark Master web UI prompts for login credentials after upgrading to DSE 5.1 or later
- Spark error running executor "Cannot find any build directories"
- DSE Spark Master fails to deserialize orphaned jobs with error "IllegalArgumentException: DSE version < 6.0.0 is not supported" See all 40 articles
Repair Service
- OpsCenter error “Repair Service will not complete within the specified repair window”
- Switch to subrange repair for Opscenter tables: settings and backup_reports
- KeyError: 'x-datastax-agent-version' in OpsCenter logs when Repair Service is enabled
- OpsCenter backup fails with "number of files to be backed up larger than queue size"
- OpsCenter Repair Service attempting to repair a dropped keyspace or table
- Repair service may fail due to lost JMX notifications from Cassandra See all 8 articles
LCM
- Why doesn't LCM list the DSE version I want?
- Unable to install DSE 6.0.3 with LCM - Could not find candidate version for package
- LCM Jobs Fail with: "Cannot find cluster configuration in opscenterd"
- Unexpected Job Status on LCM Clusters
- Lifecycle Manager: Java Install Failure
- LCM Appears to Display Duplicate Clusters See all 15 articles
General
- Example: How to Configure OpsCenter with Active Directory LDAP using sAMAccountName for authentication
- Example: How to Configure OpsCenter with Active Directory LDAP using UID for authentication and no matching sAMAccountName/CN
- OpsCenter UI doesnt show all the informations and UI appear unresponsive
- NodeSync Status tab in OpsCenter reports false urgencies
- OpsCenter metrics inconsistency
- How to set the logging level to DEBUG in Opscenter Server and Agents See all 37 articles
Backups
- OpsCenter restore fails with "UnrecoverableKeyException: Password verification failed"
- PKIX error in OpsCenter with HTTPS AWS S3 Compatible Endpoint
- Expired AWS credentials result in failed OpsCenter backups to S3 location
- OpsCenter unable to connect to S3 bucket using default AWS credential provider chain
- Restoring backups containing data encrypted with system_key
- Clearing out Backups History in OpsCenter 6.0 and 6.1 GUI See all 12 articles
Agents
- NodeSyncIncrementalValidationsCoveredAgesSeconds error floods the agent.log of Datastax-Agent
- DataStax agent fails to connect to the local node with ‘Unexpected error connecting to Cassandra , retrying soon , java.lang.NullPointerException'
- Datastax Agent Required Keyspace Permissions
- OpsCenter agent not starting fully when Kerberos authentication is used
- Enabling Agent SSL in LCM-installed clusters
- AWS ELB idle timeout terminating Opscenter/Agent Stomp connection See all 9 articles