Appian Community

Browse Knowledge Base Articles

Find product support articles for frequently-asked-about topics

Latest Knowledge Base Articles

KB-1431 "Unable to acquire a Read/Write connection. Safe to retry."
- Revision #21
- on 4 Sep 2019 7:02 AM
Symptoms At least once of the following messages in seen in the application server log: ERROR com.appiancorp.kougar.driver.ipc.IpcConnection - Failure to read socket...
KB-1986 "Unexpected element '{urn:jboss:domain:1.8}server'" error on startup
- Revision #7
- on 4 Sep 2019 6:13 AM
Symptoms While starting Appian, JBoss fails to start due to the following error in the server.log file located in <JBOSS_HOME>/standalone/logs : ERROR [org.jboss...
KB-1540 Appian Data Server fails to start due to expired license
- Revision #11
- on 2 Sep 2019 6:07 AM
Symptoms When attempting to start the Appian Data Server, the startup fails with the following error in the terminal: $ ./start.sh|bat 0 [main] INFO com.appian.data...
KB-1985 Current user activity fails to clear even after the user has logged out
- Revision #23
- on 30 Aug 2019 3:51 AM
Symptoms After logging out of the environment, the Current User Activity page in the Admin Console continues to show that the user is still active. In the screenshot...
KB-1144 Appian attempts to overwrite files in accdocs folders after an upgrade
- Revision #5
- on 23 Aug 2019 5:56 AM
Symptoms After an upgrade the application server either fails to start, or, it starts successfully but uploading/creating new files sometimes fails. The following message...