Appian Community

Browse Knowledge Base Articles

Find product support articles for frequently-asked-about topics

Latest Knowledge Base Articles

KB-1419 Negative KDB numbering
- Revision #19
- on 23 Jul 2018 1:03 PM
Symptom KDB file numbering for one or more engines moves into the negatives. This may manifest in: the names of actual .kdb files on disk the checkpointing messages in...
KB-1424 Search server is already running
- Revision #5
- on 23 Jul 2018 1:02 PM
Symptoms When starting the search server, the following message is displayed: The Appian Search Server is already running. Cause When the search server is started...
KB-1413 MySQL Best Practices - Primary Key or unique index on every table
- Revision #5
- on 23 Jul 2018 1:02 PM
When creating new MySQL database table it is important to create a primary key or unique index. When a primary key or unique index exists, lookup and count operations...
KB-1435 Crashes related to Apache Lucene library
- Revision #6
- on 23 Jul 2018 1:01 PM
Symptoms The Java Virtual Machine hosting the application server experiences a crash. A crash hs_err_pid*.log file will be generated, containing any one of the following...
KB-1473 "The K tree is incomplete. This file cannot be repaired" error thrown after running the repair script
- Revision #8
- on 23 Jul 2018 1:01 PM
Symptom After running the repair script, the following error is seen in the console: "FATAL com.appian.server.tools.repair.Log - The K tree is incomplete. This file...